NPORT-EX 2 PIPA010PRU033125.htm
AST TARGET MATURITY CENTRAL PORTFOLIO
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Long-Term Investments — 99.1%
Asset-Backed Securities — 17.5%
Automobiles — 7.5%
AmeriCredit Automobile Receivables Trust,
Series 2023-01, Class C
5.800%   12/18/28     800   $816,683
ARI Fleet Lease Trust,
Series 2024-A, Class A2, 144A
5.300%   11/15/32     413   414,941
Avis Budget Rental Car Funding AESOP LLC,
Series 2020-02A, Class A, 144A
2.020%   02/20/27     600   589,055
Series 2021-02A, Class A, 144A
1.660%   02/20/28     600   571,179
Series 2022-03A, Class A, 144A
4.620%   02/20/27     1,456   1,454,638
Series 2022-04A, Class A, 144A
4.770%   02/20/29     2,520   2,524,966
Series 2023-03A, Class A, 144A
5.440%   02/22/28     900   911,459
Series 2024-01A, Class A, 144A
5.360%   06/20/30     500   510,311
BOF VII AL Funding Trust I,
Series 2023-CAR03, Class A2, 144A
6.291%   07/26/32     524   533,345
Series 2023-CAR03, Class B, 144A
6.632%   07/26/32     219   221,988
CarMax Auto Owner Trust,
Series 2021-04, Class C
1.380%   07/15/27     150   146,267
Series 2022-01, Class C
2.200%   11/15/27     50   48,749
Ford Credit Auto Owner Trust,
Series 2021-02, Class A, 144A
1.530%   05/15/34     900   858,652
Series 2023-01, Class A, 144A
4.850%   08/15/35     1,600   1,617,591
Series 2023-02, Class A, 144A
5.280%   02/15/36     1,000   1,023,713
Series 2024-01, Class A, 144A
4.870%   08/15/36     1,800   1,821,817
Series 2025-01, Class A, 144A
4.860%   08/15/37     2,000   2,029,155
Ford Credit Floorplan Master Owner Trust,
Series 2020-02, Class A
1.060%   09/15/27     300   295,101
Series 2023-01, Class A1, 144A
4.920%   05/15/28     1,200   1,205,189
GM Financial Revolving Receivables Trust,
Series 2021-01, Class A, 144A
1.170%   06/12/34     100   95,389
Series 2025-01, Class A, 144A
4.640%   12/11/37     1,800   1,804,622
Hertz Vehicle Financing III LP,
Series 2021-02A, Class A, 144A
1.680%   12/27/27     700   668,467
OneMain Direct Auto Receivables Trust,
Series 2019-01A, Class A, 144A
3.630%   09/14/27     442   440,835
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Asset-Backed Securities (continued)
Automobiles (cont’d.)
Series 2021-01A, Class A, 144A
0.870%   07/14/28     281   $277,310
Series 2022-01A, Class A1, 144A
4.650%   03/14/29     1,130   1,126,556
Series 2023-01A, Class A, 144A
5.410%   11/14/29     1,900   1,920,558
Santander Consumer Auto Receivables Trust,
Series 2021-AA, Class C, 144A
1.030%   11/16/26     443   440,804
Santander Drive Auto Receivables Trust,
Series 2023-01, Class C
5.090%   05/15/30     400   401,971
Series 2023-03, Class C
5.770%   11/15/30     500   510,550
Series 2023-04, Class C
6.040%   12/15/31     800   821,347
Series 2024-02, Class C
5.840%   06/17/30     500   510,767
SFS Auto Receivables Securitization Trust,
Series 2023-01A, Class B, 144A
5.710%   01/22/30     100   102,197
Series 2023-01A, Class C, 144A
5.970%   02/20/31     200   204,771
Wheels Fleet Lease Funding LLC,
Series 2023-01A, Class A, 144A
5.800%   04/18/38     983   990,796
World Omni Select Auto Trust,
Series 2021-A, Class C
1.090%   11/15/27     150   147,755
              28,059,494
Collateralized Loan Obligations — 7.6%
Anchorage Capital CLO Ltd. (Cayman Islands),
Series 2022-25A, Class A1, 144A, 3 Month SOFR + 1.390% (Cap N/A, Floor 1.390%)
5.680%(c)   04/20/35     750   749,843
Apex Credit CLO LLC (Cayman Islands),
Series 2021-02A, Class A1A, 144A, 3 Month SOFR + 1.492% (Cap N/A, Floor 1.230%)
5.785%(c)   10/20/34     750   749,876
Bain Capital Credit CLO Ltd. (Cayman Islands),
Series 2022-01A, Class A1, 144A, 3 Month SOFR + 1.320% (Cap N/A, Floor 1.320%)
5.613%(c)   04/18/35     750   747,873
Ballyrock CLO Ltd. (Cayman Islands),
Series 2020-02A, Class A1R, 144A, 3 Month SOFR + 1.272% (Cap N/A, Floor 1.010%)
5.565%(c)   10/20/31     580   580,827
Battalion CLO Ltd. (Cayman Islands),
Series 2015-08A, Class A1R2, 144A, 3 Month SOFR + 1.332% (Cap N/A, Floor 1.070%)
5.625%(c)   07/18/30     399   399,032
Series 2017-11A, Class AR, 144A, 3 Month SOFR + 1.412% (Cap N/A, Floor 1.150%)
5.708%(c)   04/24/34     1,000   996,861
A1

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Asset-Backed Securities (continued)
Collateralized Loan Obligations (cont’d.)
Benefit Street Partners CLO Ltd. (Cayman Islands),
Series 2019-18A, Class A1R, 144A, 3 Month SOFR + 1.432% (Cap N/A, Floor 1.170%)
5.734%(c)   10/15/34     750   $749,825
Broad River BSL Funding CLO Ltd. (Cayman Islands),
Series 2020-01A, Class AR, 144A, 3 Month SOFR + 1.432% (Cap N/A, Floor 1.170%)
5.725%(c)   07/20/34     250   250,000
Carlyle CLO Ltd. (Cayman Islands),
Series C17A, Class A1AR, 144A, 3 Month SOFR + 1.292% (Cap N/A, Floor 0.000%)
5.579%(c)   04/30/31     84   84,305
Carlyle US CLO Ltd. (Cayman Islands),
Series 2019-01A, Class A1AR, 144A, 3 Month SOFR + 1.342% (Cap N/A, Floor 1.080%)
5.635%(c)   04/20/31     594   594,382
Series 2021-05A, Class A1, 144A, 3 Month SOFR + 1.382% (Cap N/A, Floor 1.120%)
5.675%(c)   07/20/34     500   500,684
CBAM Ltd. (Cayman Islands),
Series 2019-11RA, Class A1, 144A, 3 Month SOFR + 1.442% (Cap N/A, Floor 1.180%)
5.735%(c)   01/20/35     750   749,023
Series 2020-12A, Class AR, 144A, 3 Month SOFR + 1.442% (Cap N/A, Floor 1.442%)
5.735%(c)   07/20/34     500   498,932
CIFC Funding Ltd. (Cayman Islands),
Series 2014-03A, Class A1R, 144A, 3 Month SOFR + 1.180% (Cap N/A, Floor 1.180%)
5.455%(c)   03/31/38     2,100   2,099,975
Crown City CLO (Cayman Islands),
Series 2020-01A, Class A1AR, 144A, 3 Month SOFR + 1.452% (Cap N/A, Floor 1.190%)
5.745%(c)   07/20/34     250   249,648
Series 2020-02A, Class A1AR, 144A, 3 Month SOFR + 1.340% (Cap N/A, Floor 1.340%)
5.630%(c)   04/20/35     750   746,371
Elmwood CLO Ltd. (Cayman Islands),
Series 2019-02A, Class A1RR, 144A, 3 Month SOFR + 1.350% (Cap N/A, Floor 1.350%)
5.643%(c)   10/20/37     750   750,756
Series 2020-04A, Class A1RR, 144A, 3 Month SOFR + 1.360% (Cap N/A, Floor 1.360%)
5.915%(c)   10/17/37     2,750   2,751,389
Series 2025-03A, Class A, 144A
0.000%(c)   03/22/38     2,000   2,000,000
Greenwood Park CLO Ltd. (Cayman Islands),
Series 2018-01A, Class A2, 144A, 3 Month SOFR + 1.272% (Cap N/A, Floor 0.000%)
5.574%(c)   04/15/31     162   162,409
ICG Rhinebeck CLO Ltd. (Cayman Islands),
Series 2021-04A, Class A1, 144A, 3 Month SOFR + 1.472% (Cap N/A, Floor 1.210%)
5.772%(c)   10/26/34     750   749,046
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Asset-Backed Securities (continued)
Collateralized Loan Obligations (cont’d.)
KKR CLO Ltd. (Cayman Islands),
Series 33A, Class A, 144A, 3 Month SOFR + 1.432% (Cap N/A, Floor 1.170%)
5.725%(c)   07/20/34     250   $250,140
Madison Park Funding Ltd. (Cayman Islands),
Series 2016-21A, Class AARR, 144A, 3 Month SOFR + 1.342% (Cap N/A, Floor 1.342%)
5.644%(c)   10/15/32     739   739,242
Series 2021-38A, Class A, 144A, 3 Month SOFR + 1.382% (Cap N/A, Floor 1.382%)
5.684%(c)   07/17/34     250   250,230
Marble Point CLO Ltd. (Cayman Islands),
Series 2020-02A, Class A1R2, 144A, 3 Month SOFR + 1.210% (Cap N/A, Floor 1.210%)
5.486%(c)   03/15/38     1,900   1,897,174
MidOcean Credit CLO (Cayman Islands),
Series 2018-09A, Class A1, 144A, 3 Month SOFR + 1.412% (Cap N/A, Floor 1.150%)
5.705%(c)   07/20/31     53   53,106
Mountain View CLO Ltd. (Cayman Islands),
Series 2013-01A, Class ARR, 144A, 3 Month SOFR + 1.262% (Cap N/A, Floor 1.000%)
5.551%(c)   10/12/30     268   267,354
Ocean Trails CLO (Cayman Islands),
Series 2014-05A, Class ARR, 144A, 3 Month SOFR + 1.542% (Cap N/A, Floor 1.280%)
5.831%(c)   10/13/31     337   336,827
OZLM Ltd. (Cayman Islands),
Series 2018-20A, Class A1, 144A, 3 Month SOFR + 1.312% (Cap N/A, Floor 1.050%)
5.605%(c)   04/20/31     57   56,440
Park Avenue Institutional Advisers CLO Ltd. (Cayman Islands),
Series 2019-02A, Class A1R, 144A, 3 Month SOFR + 1.442% (Cap N/A, Floor 1.180%)
5.744%(c)   10/15/34     250   249,348
Regatta Funding Ltd. (Cayman Islands),
Series 2024-02A, Class A1, 144A, 3 Month SOFR + 1.550% (Cap N/A, Floor 1.550%)
5.850%(c)   04/25/37     2,250   2,254,501
Rockford Tower CLO Ltd. (Cayman Islands),
Series 2018-02A, Class A, 144A, 3 Month SOFR + 1.422% (Cap N/A, Floor 1.160%)
5.715%(c)   10/20/31     262   262,345
Romark CLO Ltd. (Cayman Islands),
Series 2021-04A, Class A1, 144A, 3 Month SOFR + 1.432% (Cap N/A, Floor 1.170%)
5.721%(c)   07/10/34     1,000   998,804
Romark WM-R Ltd. (Cayman Islands),
Series 2018-01A, Class A1, 144A, 3 Month SOFR + 1.292% (Cap N/A, Floor 0.000%)
5.585%(c)   04/20/31     397   397,192
Shackleton CLO Ltd. (Cayman Islands),
Series 2014-05RA, Class A, 144A, 3 Month SOFR + 1.362% (Cap N/A, Floor 0.262%)
5.664%(c)   05/07/31     359   358,585
 
A2

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Asset-Backed Securities (continued)
Collateralized Loan Obligations (cont’d.)
Sound Point CLO Ltd. (Cayman Islands),
Series 2014-03RA, Class A1R, 144A, 3 Month SOFR + 1.332% (Cap N/A, Floor 1.070%)
5.622%(c)   10/23/31     148   $148,371
Texas Debt Capital CLO Ltd. (Cayman Islands),
Series 2025-01A, Class A1, 144A, 3 Month SOFR + 1.140% (Cap N/A, Floor 1.140%)
5.400%(c)   04/24/38     1,750   1,744,190
THL Credit Wind River CLO Ltd. (Cayman Islands),
Series 2019-01A, Class AR, 144A, 3 Month SOFR + 1.422% (Cap N/A, Floor 1.160%)
5.715%(c)   07/20/34     500   499,619
Venture CLO Ltd. (Cayman Islands),
Series 2014-19A, Class ARR, 144A, 3 Month SOFR + 1.522% (Cap N/A, Floor 1.260%)
5.824%(c)   01/15/32     389   388,560
Voya CLO Ltd. (Cayman Islands),
Series 2014-01A, Class AAR2, 144A, 3 Month SOFR + 1.252% (Cap N/A, Floor 0.000%)
5.545%(c)   04/18/31     223   222,937
Zais CLO Ltd. (Cayman Islands),
Series 2017-02A, Class A, 144A, 3 Month SOFR + 1.552% (Cap N/A, Floor 0.000%)
5.854%(c)   04/15/30     8   8,141
              28,544,163
Consumer Loans — 1.7%
Affirm Asset Securitization Trust,
Series 2024-A, Class 1A, 144A
5.610%   02/15/29     1,600   1,609,455
Affirm Master Trust,
Series 2025-01A, Class A, 144A
4.990%   02/15/33     1,000   1,005,214
OneMain Financial Issuance Trust,
Series 2020-02A, Class A, 144A
1.750%   09/14/35     600   580,612
Series 2021-01A, Class A2, 144A, 30 Day Average SOFR + 0.760% (Cap N/A, Floor 0.000%)
5.110%(c)   06/16/36     600   599,589
Series 2022-02A, Class A, 144A
4.890%   10/14/34     619   618,638
Series 2023-02A, Class A1, 144A
5.840%   09/15/36     1,800   1,836,827
              6,250,335
Home Equity Loans — 0.7%
JPMorgan Mortgage Trust,
Series 2024-HE03, Class A1, 144A, 30 Day Average SOFR + 1.200% (Cap N/A, Floor 0.000%)
5.544%(c)   02/25/55     647   646,521
RCKT Mortgage Trust,
Series 2024-CES03, Class A1A, 144A
6.591%(cc)   05/25/44     825   836,209
Towd Point Mortgage Trust,
Series 2023-CES02, Class A1A, 144A
7.294%(cc)   10/25/63     283   287,687
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
Asset-Backed Securities (continued)
Home Equity Loans (cont’d.)
Series 2024-CES01, Class A1A, 144A
5.848%(cc)   01/25/64     76   $75,859
Series 2024-CES02, Class A1A, 144A
6.125%(cc)   02/25/64     75   75,842
Series 2024-CES03, Class A1, 144A
6.290%(cc)   05/25/64     497   500,946
Series 2024-CES04, Class A1, 144A
5.122%(cc)   09/25/64     447   444,325
              2,867,389
Student Loans — 0.0%
ELFI Graduate Loan Program LLC,
Series 2020-A, Class A, 144A
1.730%   08/25/45     26   23,470
SoFi Professional Loan Program LLC,
Series 2017-F, Class A2FX, 144A
2.840%   01/25/41     5   4,539
SoFi Professional Loan Program Trust,
Series 2020-A, Class A2FX, 144A
2.540%   05/15/46     36   34,789
              62,798
 
Total Asset-Backed Securities

(cost $65,431,695)

  65,784,179
Commercial Mortgage-Backed Securities —
14.8%
3650R Commercial Mortgage Trust,
Series 2021-PF01, Class A1
1.122%   11/15/54     201   195,352
BANK,
Series 2017-BNK06, Class A4
3.254%   07/15/60     243   235,513
Series 2017-BNK08, Class A3
3.229%   11/15/50     7   6,608
Series 2019-BN19, Class A1
2.263%   08/15/61     46   42,666
Series 2019-BN19, Class A2
2.926%   08/15/61     4,390   4,060,191
Series 2019-BN20, Class A2
2.758%   09/15/62     1,619   1,496,041
Series 2020-BN25, Class A3
2.391%   01/15/63     29   27,832
Series 2020-BN25, Class A4
2.399%   01/15/63     650   583,730
Series 2020-BN26, Class A3
2.155%   03/15/63     250   221,446
Series 2020-BN28, Class A3
1.584%   03/15/63     1,466   1,256,174
Series 2020-BN29, Class A1
0.549%   11/15/53     51   50,251
Series 2021-BN31, Class A3
1.771%   02/15/54     5,100   4,358,908
Series 2021-BN36, Class A1
0.801%   09/15/64     110   107,753
 
A3

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Commercial Mortgage-Backed Securities
(continued)
Series 2021-BN38, Class A1
1.274%   12/15/64     593   $575,659
Series 2022-BNK42, Class A5
4.493%(cc)   06/15/55     850   817,245
Barclays Commercial Mortgage Securities Trust,
Series 2021-C10, Class ASB
2.268%   07/15/54     275   253,379
Series 2021-C11, Class A4
2.043%   09/15/54     165   142,418
Benchmark Mortgage Trust,
Series 2020-B16, Class A3
2.475%   02/15/53     75   72,252
Series 2020-B17, Class A4
2.042%   03/15/53     1,475   1,293,574
Series 2020-B19, Class A4
1.546%   09/15/53     2,100   1,833,418
Series 2020-B20, Class A3
1.945%   10/15/53     750   680,659
Series 2020-B21, Class A4
1.704%   12/17/53     500   426,975
Series 2020-B22, Class A1
0.509%   01/15/54     162   158,403
Series 2021-B23, Class A4A1
1.823%   02/15/54     100   85,017
Series 2021-B24, Class A3
2.010%   03/15/54     1,200   1,086,177
Series 2021-B25, Class ASB
2.271%   04/15/54     250   230,046
Series 2021-B26, Class A1
0.747%   06/15/54     1,038   1,010,125
Series 2021-B28, Class A1
0.597%   08/15/54     564   547,595
Series 2022-B35, Class ASB
4.443%(cc)   05/15/55     3,400   3,397,552
Series 2024-V05, Class A3
5.805%   01/10/57     1,500   1,544,921
BPR Trust,
Series 2021-TY, Class D, 144A, 1 Month SOFR + 2.464% (Cap N/A, Floor 2.350%)
6.784%(c)   09/15/38     990   982,622
CD Mortgage Trust,
Series 2016-CD2, Class A3
3.248%   11/10/49     246   240,087
Series 2017-CD06, Class A4
3.190%   11/13/50     500   483,475
CFCRE Commercial Mortgage Trust,
Series 2016-C04, Class ASB
3.091%   05/10/58     51   50,742
Series 2016-C07, Class A2
3.585%   12/10/54     48   47,223
Series 2017-C08, Class A4
3.572%   06/15/50     1,399   1,354,824
CGMS Commercial Mortgage Trust,
Series 2017-B01, Class A3
3.197%   08/15/50     290   280,007
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Commercial Mortgage-Backed Securities
(continued)
Citigroup Commercial Mortgage Trust,
Series 2015-GC33, Class AAB
3.522%   09/10/58     17   $17,151
Series 2015-P01, Class A4
3.462%   09/15/48     317   315,935
Series 2016-P04, Class A3
2.646%   07/10/49     20   19,509
Series 2017-P07, Class AAB
3.509%   04/14/50     137   135,303
Series 2017-P08, Class A3
3.203%   09/15/50     1,030   1,000,082
Commercial Mortgage Trust,
Series 2015-CR25, Class A3
3.505%   08/10/48     29   28,419
Series 2015-CR25, Class ASB
3.537%   08/10/48     19   19,221
Series 2015-CR26, Class A3
3.359%   10/10/48     30   29,532
Series 2015-LC21, Class A4
3.708%   07/10/48     45   45,243
Series 2015-LC23, Class A3
3.521%   10/10/48     752   748,416
Series 2015-PC01, Class A5
3.902%   07/10/50     611   609,708
Series 2016-COR01, Class A3
2.826%   10/10/49     297   287,338
Series 2016-COR1, Class ASB
2.972%   10/10/49     327   323,603
Credit Suisse Mortgage Trust,
Series 2016-NXSR, Class A4
3.795%(cc)   12/15/49     500   490,994
CSAIL Commercial Mortgage Trust,
Series 2015-C03, Class A4
3.718%   08/15/48     973   968,683
Series 2019-C16, Class A2
3.067%   06/15/52     98   91,014
Series 2019-C17, Class A4
2.763%   09/15/52     1,380   1,271,027
Series 2020-C19, Class A2
2.320%   03/15/53     2,150   1,909,700
FHLMC Multifamily Structured Pass-Through Certificates,
Series K736, Class X1, IO
1.280%(cc)   07/25/26     41,269   521,052
GS Mortgage Securities Trust,
Series 2015-GS01, Class AAB
3.553%   11/10/48     360   358,539
Series 2019-GC42, Class A3
2.749%   09/10/52     1,000   918,499
Series 2020-GC45, Class A3
2.639%   02/13/53     100   96,897
Series 2020-GC45, Class A4
2.658%   02/13/53     100   91,463
Series 2020-GC47, Class A4
2.125%   05/12/53     1,068   956,555
Series 2021-GSA03, Class A4
2.369%   12/15/54     100   85,555
 
A4

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Commercial Mortgage-Backed Securities
(continued)
JPMBB Commercial Mortgage Securities Trust,
Series 2014-C24, Class A5
3.639%   11/15/47     162   $157,765
JPMorgan Chase Commercial Mortgage Securities Trust,
Series 2016-JP02, Class ASB
2.713%   08/15/49     17   17,232
Ladder Capital Commercial Mortgage Securities Trust,
Series 2017-LC26, Class A4, 144A
3.551%   07/12/50     500   484,231
Morgan Stanley Bank of America Merrill Lynch Trust,
Series 2015-C23, Class A3
3.451%   07/15/50     4,259   4,247,092
Series 2015-C24, Class A4
3.732%   05/15/48     999   993,810
Series 2015-C27, Class ASB
3.557%   12/15/47     —(r)   97
Series 2016-C31, Class A4
2.840%   11/15/49     504   492,503
Series 2016-C32, Class ASB
3.514%   12/15/49     364   359,856
Morgan Stanley Capital I Trust,
Series 2021-L06, Class ASB
2.250%(cc)   06/15/54     350   319,336
Series 2021-L07, Class A1
0.881%   10/15/54     535   519,226
UBS Commercial Mortgage Trust,
Series 2017-C04, Class A3
3.301%   10/15/50     246   239,658
Series 2018-C08, Class ASB
3.903%   02/15/51     204   202,686
Wells Fargo Commercial Mortgage Trust,
Series 2016-BNK1, Class A3
2.652%   08/15/49     2,000   1,932,117
Series 2016-LC24, Class A4
2.942%   10/15/49     275   268,152
Series 2016-NXS05, Class A5
3.372%   01/15/59     2,028   2,008,298
Series 2017-C41, Class A2
2.590%   11/15/50     1,263   1,210,932
Series 2020-C55, Class A3
2.462%   02/15/53     100   95,745
Series 2020-C57, Class A1
0.903%   08/15/53     312   309,108
 
Total Commercial Mortgage-Backed Securities

(cost $55,108,201)

  55,434,142
Corporate Bonds — 29.0%
Aerospace & Defense — 0.6%
Boeing Co. (The),
Sr. Unsec’d. Notes
2.950%   02/01/30     1,130   1,028,385
3.550%   03/01/38     780   610,473
3.625%   03/01/48     850   579,683
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Aerospace & Defense (cont’d.)
General Dynamics Corp.,
Gtd. Notes
3.625%   04/01/30     5   $4,805
              2,223,346
Agriculture — 0.5%
BAT Capital Corp. (United Kingdom),
Gtd. Notes
3.557%   08/15/27     54   52,661
5.350%   08/15/32     1,545   1,552,611
BAT International Finance PLC (United Kingdom),
Gtd. Notes
4.448%   03/16/28     290   288,597
              1,893,869
Airlines — 0.0%
United Airlines 2019-2 Class AA Pass-Through Trust,
Pass-Through Certificates
2.700%   11/01/33     39   34,653
Auto Manufacturers — 0.6%
General Motors Financial Co., Inc.,
Sr. Unsec’d. Notes
2.350%   01/08/31     425   359,719
2.400%   04/10/28     545   504,336
2.400%   10/15/28     945   863,769
3.800%   04/07/25     30   29,993
5.000%   04/09/27     550   550,717
              2,308,534
Auto Parts & Equipment — 0.0%
Clarios Global LP/Clarios US Finance Co.,
Sr. Sec’d. Notes, 144A
6.750%   02/15/30     50   50,359
Banks — 9.2%
Bank of America Corp.,
Sr. Unsec’d. Notes, MTN
2.087%(ff)   06/14/29     260   240,241
2.972%(ff)   02/04/33     2,890   2,533,948
3.194%(ff)   07/23/30     35   32,822
3.384%(ff)   04/02/26     640   640,000
4.376%(ff)   04/27/28     2,720   2,708,006
Sr. Unsec’d. Notes, Series N
2.651%(ff)   03/11/32     40   35,215
Bank of New York Mellon Corp. (The),
Sr. Unsec’d. Notes, MTN
1.600%   04/24/25     45   44,911
BNP Paribas SA (France),
Sr. Non-Preferred Notes, 144A
1.904%(ff)   09/30/28     500   464,839
3.132%(ff)   01/20/33     225   196,056
Cassa Depositi e Prestiti SpA (Italy),
Sr. Unsec’d. Notes, 144A
5.875%   04/30/29     600   618,800
Citigroup, Inc.,
Sr. Unsec’d. Notes
2.666%(ff)   01/29/31     630   568,060
 
A5

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Banks (cont’d.)
2.976%(ff)   11/05/30     250   $230,157
3.057%(ff)   01/25/33     3,005   2,630,407
3.106%(ff)   04/08/26     275   274,865
3.400%   05/01/26     150   148,243
Sub. Notes
4.450%   09/29/27     15   14,921
5.827%(ff)   02/13/35     435   432,295
Goldman Sachs Group, Inc. (The),
Sr. Unsec’d. Notes
1.431%(ff)   03/09/27     50   48,493
1.542%(ff)   09/10/27     5,150   4,925,194
1.992%(ff)   01/27/32     180   152,459
2.600%   02/07/30     25   22,640
2.615%(ff)   04/22/32     260   226,910
3.500%   04/01/25     190   190,000
3.850%   01/26/27     170   168,337
JPMorgan Chase & Co.,
Jr. Sub. Notes, Series II
4.000%(ff)   07/01/25(oo)     240   241,196
Sr. Unsec’d. Notes
1.045%(ff)   11/19/26     260   254,325
1.578%(ff)   04/22/27     260   252,073
1.953%(ff)   02/04/32     30   25,511
2.069%(ff)   06/01/29     150   138,866
2.963%(ff)   01/25/33     4,735   4,180,915
4.005%(ff)   04/23/29     55   54,045
Lloyds Banking Group PLC (United Kingdom),
Sr. Unsec’d. Notes
5.985%(ff)   08/07/27     725   736,539
Morgan Stanley,
Sr. Unsec’d. Notes
1.593%(ff)   05/04/27     290   280,806
4.210%(ff)   04/20/28     485   481,423
Sr. Unsec’d. Notes, GMTN
2.239%(ff)   07/21/32     15   12,741
2.699%(ff)   01/22/31     1,040   942,883
Sr. Unsec’d. Notes, MTN
2.943%(ff)   01/21/33     2,935   2,572,512
Sub. Notes, GMTN
4.350%   09/08/26     545   542,508
Sub. Notes, MTN
3.950%   04/23/27     55   54,379
PNC Financial Services Group, Inc. (The),
Sr. Unsec’d. Notes
2.550%   01/22/30     20   18,120
Royal Bank of Canada (Canada),
Sr. Unsec’d. Notes, MTN
3.375%   04/14/25     20   19,991
Societe Generale SA (France),
Sr. Non-Preferred Notes, 144A
1.488%(ff)   12/14/26     200   195,253
Sumitomo Mitsui Financial Group, Inc. (Japan),
Sr. Unsec’d. Notes
1.902%   09/17/28     260   237,358
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Banks (cont’d.)
Sumitomo Mitsui Trust Bank Ltd. (Japan),
Sr. Unsec’d. Notes, 144A, MTN
2.800%   03/10/27(a)     200   $193,751
UBS AG (Switzerland),
Sr. Unsec’d. Notes
1.250%   06/01/26     205   197,661
UBS Group AG (Switzerland),
Sr. Unsec’d. Notes, 144A
2.193%(ff)   06/05/26     390   388,226
3.091%(ff)   05/14/32     250   222,813
Sr. Unsec’d. Notes, 144A, SOFR + 1.580%
5.938%(c)   05/12/26     1,210   1,211,670
Wells Fargo & Co.,
Sr. Unsec’d. Notes, MTN
2.572%(ff)   02/11/31     3,210   2,894,177
3.526%(ff)   03/24/28     695   680,858
3.908%(ff)   04/25/26     20   19,986
              34,598,405
Beverages — 0.0%
PepsiCo, Inc.,
Sr. Unsec’d. Notes
2.625%   03/19/27     20   19,457
Biotechnology — 0.4%
Amgen, Inc.,
Sr. Unsec’d. Notes
3.000%   02/22/29     30   28,415
5.150%   11/15/41     400   377,710
5.250%   03/02/33     1,115   1,131,005
Baxalta, Inc.,
Gtd. Notes
4.000%   06/23/25     60   59,864
              1,596,994
Building Materials — 0.1%
Quikrete Holdings, Inc.,
Sr. Sec’d. Notes, 144A
6.375%   03/01/32     140   140,745
Sr. Unsec’d. Notes, 144A
6.750%   03/01/33     70   69,761
              210,506
Chemicals — 0.2%
Chevron Phillips Chemical Co. LLC/Chevron Phillips Chemical Co. LP,
Sr. Unsec’d. Notes, 144A
5.125%   04/01/25     165   165,000
FMC Corp.,
Sr. Unsec’d. Notes
3.450%   10/01/29     195   180,169
OCP SA (Morocco),
Sr. Unsec’d. Notes, 144A
6.750%   05/02/34     415   425,894
              771,063
 
A6

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Commercial Services — 0.2%
DP World Ltd. (United Arab Emirates),
Sr. Unsec’d. Notes, 144A
2.375%   09/25/26   EUR 231   $247,360
ERAC USA Finance LLC,
Gtd. Notes, 144A
3.800%   11/01/25     70   69,632
Trustees of Princeton University (The),
Unsec’d. Notes
4.201%   03/01/52     695   589,595
              906,587
Cosmetics/Personal Care — 0.0%
Procter & Gamble Co. (The),
Sr. Unsec’d. Notes
3.000%   03/25/30     5   4,706
Diversified Financial Services — 0.7%
Cantor Fitzgerald LP,
Sr. Unsec’d. Notes, 144A
4.500%   04/14/27     1,990   1,970,225
Capital One Financial Corp.,
Sr. Unsec’d. Notes
3.273%(ff)   03/01/30     20   18,741
Charles Schwab Corp. (The),
Sr. Unsec’d. Notes
2.750%   10/01/29     70   64,785
Nomura Holdings, Inc. (Japan),
Sr. Unsec’d. Notes
2.172%   07/14/28     200   184,197
2.710%   01/22/29     200   185,278
Ontario Teachers’ Finance Trust (Canada),
Gtd. Notes, 144A
0.875%   09/21/26     250   238,453
              2,661,679
Electric — 2.8%
AEP Texas, Inc.,
Sr. Unsec’d. Notes, Series I
2.100%   07/01/30     1,445   1,261,401
Arizona Public Service Co.,
Sr. Unsec’d. Notes
2.200%   12/15/31     50   42,068
Atlantic City Electric Co.,
First Mortgage
2.300%   03/15/31     20   17,367
Avangrid, Inc.,
Sr. Unsec’d. Notes
3.200%   04/15/25     130   129,896
CenterPoint Energy Houston Electric LLC,
First Mortgage, Series AE
2.350%   04/01/31     20   17,505
Commonwealth Edison Co.,
First Mortgage, Series 130
3.125%   03/15/51     1,570   1,028,235
Dominion Energy, Inc.,
Sr. Unsec’d. Notes, Series B
3.600%   03/15/27     30   29,476
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Electric (cont’d.)
Sr. Unsec’d. Notes, Series D
2.850%   08/15/26     75   $73,253
Duke Energy Corp.,
Sr. Unsec’d. Notes
2.650%   09/01/26     185   180,184
Duke Energy Florida LLC,
First Mortgage
2.400%   12/15/31     15   13,002
Emera US Finance LP (Canada),
Gtd. Notes
3.550%   06/15/26     1,190   1,172,293
Enel Finance International NV (Italy),
Gtd. Notes, 144A
2.125%   07/12/28     210   192,967
Entergy Louisiana LLC,
Collateral Trust
4.000%   03/15/33     3,000   2,790,611
Eskom Holdings SOC Ltd. (South Africa),
Gov’t. Gtd. Notes, 144A, MTN
6.350%   08/10/28     200   198,876
Nevada Power Co.,
General Ref. Mortgage, Series CC
3.700%   05/01/29     40   38,833
Northern States Power Co.,
First Mortgage
4.500%   06/01/52     110   92,728
Pacific Gas & Electric Co.,
First Mortgage
4.950%   07/01/50     500   416,917
PacifiCorp,
First Mortgage
3.350%   07/01/25(a)     160   159,404
Public Service Co. of Colorado,
First Mortgage
3.600%   09/15/42     1,985   1,536,172
Southern Co. (The),
Sr. Unsec’d. Notes, Series 21-B
1.750%   03/15/28     35   32,313
Virginia Electric & Power Co.,
Sr. Unsec’d. Notes, Series A
2.875%   07/15/29     45   42,118
Vistra Operations Co. LLC,
Sr. Sec’d. Notes, 144A
3.700%   01/30/27     690   675,338
WEC Energy Group, Inc.,
Sr. Unsec’d. Notes
2.200%   12/15/28     200   183,474
              10,324,431
Engineering & Construction — 0.3%
Mexico City Airport Trust (Mexico),
Sr. Sec’d. Notes, 144A
3.875%   04/30/28     580   553,540
4.250%   10/31/26     640   628,736
              1,182,276
 
A7

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Entertainment — 0.5%
Caesars Entertainment, Inc.,
Sr. Sec’d. Notes, 144A
7.000%   02/15/30     200   $202,477
Warnermedia Holdings, Inc.,
Gtd. Notes
3.755%   03/15/27     405   395,027
5.050%   03/15/42     1,680   1,342,842
              1,940,346
Environmental Control — 0.0%
Waste Connections, Inc.,
Sr. Unsec’d. Notes
2.200%   01/15/32     35   29,577
Foods — 0.1%
JBS USA Holding Lux Sarl/JBS USA Food Co./JBS Lux Co. Sarl,
Gtd. Notes
5.750%   04/01/33     330   334,942
Gas — 0.2%
Atmos Energy Corp.,
Sr. Unsec’d. Notes
2.625%   09/15/29     30   27,737
Piedmont Natural Gas Co., Inc.,
Sr. Unsec’d. Notes
5.050%   05/15/52     860   767,392
              795,129
Healthcare-Products — 0.0%
Agilent Technologies, Inc.,
Sr. Unsec’d. Notes
2.300%   03/12/31     20   17,376
Thermo Fisher Scientific, Inc.,
Sr. Unsec’d. Notes
2.600%   10/01/29     5   4,626
              22,002
Healthcare-Services — 0.8%
AdventHealth Obligated Group,
Unsec’d. Notes, Series E
2.795%   11/15/51     1,500   941,723
Cigna Group (The),
Gtd. Notes
3.400%   03/01/27     60   58,846
Sr. Unsec’d. Notes
2.400%   03/15/30     292   262,205
Elevance Health, Inc.,
Sr. Unsec’d. Notes
2.875%   09/15/29     65   60,398
HCA, Inc.,
Gtd. Notes
3.125%   03/15/27     160   155,478
3.375%   03/15/29     10   9,455
Humana, Inc.,
Sr. Unsec’d. Notes
4.500%   04/01/25     155   155,000
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Healthcare-Services (cont’d.)
Presbyterian Healthcare Services,
Unsec’d. Notes
4.875%   08/01/52     475   $434,615
Quest Diagnostics, Inc.,
Sr. Unsec’d. Notes
2.950%   06/30/30     75   68,856
UnitedHealth Group, Inc.,
Sr. Unsec’d. Notes
2.300%   05/15/31     20   17,501
4.750%   05/15/52     720   621,749
5.000%   04/15/34     245   243,662
Universal Health Services, Inc.,
Sr. Sec’d. Notes
2.650%   01/15/32     30   25,074
              3,054,562
Home Builders — 0.2%
Toll Brothers Finance Corp.,
Gtd. Notes
4.875%   03/15/27     720   720,436
Household Products/Wares — 0.0%
Kimberly-Clark Corp.,
Sr. Unsec’d. Notes
3.100%   03/26/30     2   1,875
Insurance — 0.7%
Corebridge Financial, Inc.,
Sr. Unsec’d. Notes
3.650%   04/05/27     90   88,422
3.900%   04/05/32     1,030   951,661
Liberty Mutual Group, Inc.,
Gtd. Notes, 144A
4.569%   02/01/29     907   899,821
5.500%   06/15/52     500   462,975
Unum Group,
Sr. Unsec’d. Notes
4.000%   06/15/29     50   48,556
              2,451,435
Internet — 0.0%
Amazon.com, Inc.,
Sr. Unsec’d. Notes
3.000%   04/13/25     20   19,985
Lodging — 0.1%
Sands China Ltd. (Macau),
Sr. Unsec’d. Notes
5.400%   08/08/28     400   399,500
Machinery-Construction & Mining — 0.0%
Caterpillar, Inc.,
Sr. Unsec’d. Notes
1.900%   03/12/31     25   21,687
Machinery-Diversified — 0.1%
Chart Industries, Inc.,
Sr. Sec’d. Notes, 144A
7.500%   01/01/30     75   77,866
 
A8

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Machinery-Diversified (cont’d.)
Flowserve Corp.,
Sr. Unsec’d. Notes
2.800%   01/15/32     15   $12,831
Westinghouse Air Brake Technologies Corp.,
Gtd. Notes
4.700%   09/15/28     275   275,521
              366,218
Media — 0.8%
Charter Communications Operating LLC/Charter Communications Operating Capital,
Sr. Sec’d. Notes
2.250%   01/15/29     130   117,015
2.300%   02/01/32     510   412,857
4.908%   07/23/25     26   25,991
5.050%   03/30/29     1,235   1,227,872
5.125%   07/01/49     385   304,695
Comcast Corp.,
Gtd. Notes
2.650%   02/01/30     70   64,078
Cox Communications, Inc.,
Sr. Unsec’d. Notes, 144A
2.600%   06/15/31     380   327,176
3.500%   08/15/27     600   585,407
              3,065,091
Mining — 0.1%
BHP Billiton Finance USA Ltd. (Australia),
Gtd. Notes
5.300%   02/21/35     115   115,271
Newmont Corp.,
Gtd. Notes
2.250%   10/01/30     255   225,549
2.800%   10/01/29     10   9,293
Rio Tinto Finance USA PLC (Australia),
Gtd. Notes
5.250%   03/14/35     150   150,206
              500,319
Miscellaneous Manufacturing — 0.0%
Carlisle Cos., Inc.,
Sr. Unsec’d. Notes
2.200%   03/01/32     45   37,474
Multi-National — 0.1%
Corp. Andina de Fomento (Supranational Bank),
Sr. Unsec’d. Notes
5.000%   01/24/29     445   452,841
Office/Business Equipment — 0.3%
CDW LLC/CDW Finance Corp.,
Gtd. Notes
2.670%   12/01/26     1,265   1,222,070
Oil & Gas — 2.3%
Canadian Natural Resources Ltd. (Canada),
Sr. Unsec’d. Notes, 144A
5.000%   12/15/29     2,150   2,147,665
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Oil & Gas (cont’d.)
Cenovus Energy, Inc. (Canada),
Sr. Unsec’d. Notes
2.650%   01/15/32     1,995   $1,682,363
Diamondback Energy, Inc.,
Gtd. Notes
3.125%   03/24/31     175   158,312
Ecopetrol SA (Colombia),
Sr. Unsec’d. Notes
7.750%   02/01/32     360   352,440
8.625%   01/19/29     790   838,980
Korea National Oil Corp. (South Korea),
Sr. Unsec’d. Notes, 144A
4.750%   04/03/26     220   220,125
4.875%   04/03/28     210   211,604
Petroleos Mexicanos (Mexico),
Gtd. Notes
5.350%   02/12/28     800   741,200
Pioneer Natural Resources Co.,
Sr. Unsec’d. Notes
1.900%   08/15/30     810   704,778
Valero Energy Corp.,
Sr. Unsec’d. Notes
2.800%   12/01/31     15   13,139
Var Energi ASA (Norway),
Sr. Unsec’d. Notes, 144A
5.000%   05/18/27     1,460   1,464,444
              8,535,050
Packaging & Containers — 0.4%
AptarGroup, Inc.,
Sr. Unsec’d. Notes
3.600%   03/15/32     1,300   1,183,446
Ball Corp.,
Gtd. Notes
6.000%   06/15/29     350   354,672
Graphic Packaging International LLC,
Sr. Sec’d. Notes, 144A
1.512%   04/15/26     150   144,747
              1,682,865
Pharmaceuticals — 0.3%
Bristol-Myers Squibb Co.,
Sr. Unsec’d. Notes
3.400%   07/26/29     4   3,837
Cencora, Inc.,
Sr. Unsec’d. Notes
2.700%   03/15/31     20   17,798
3.450%   12/15/27     30   29,201
CVS Health Corp.,
Sr. Unsec’d. Notes
5.000%   01/30/29     90   90,437
Shire Acquisitions Investments Ireland DAC,
Gtd. Notes
3.200%   09/23/26     9   8,836
 
A9

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Pharmaceuticals (cont’d.)
Viatris, Inc.,
Gtd. Notes
2.700%   06/22/30     630   $548,182
3.850%   06/22/40     55   39,958
4.000%   06/22/50     715   466,804
              1,205,053
Pipelines — 1.9%
Energy Transfer LP,
Sr. Unsec’d. Notes
2.900%   05/15/25     170   169,568
3.750%   05/15/30     965   912,584
4.950%   05/15/28     305   307,113
4.950%   06/15/28     500   503,344
5.150%   03/15/45     1,080   944,867
Enterprise Products Operating LLC,
Gtd. Notes
3.125%   07/31/29     40   37,883
MPLX LP,
Sr. Unsec’d. Notes
4.950%   03/14/52     1,125   945,808
ONEOK, Inc.,
Gtd. Notes
3.100%   03/15/30     645   593,968
4.450%   09/01/49     595   464,655
5.850%   01/15/26     200   201,382
Rockies Express Pipeline LLC,
Sr. Unsec’d. Notes, 144A
6.750%   03/15/33     70   71,340
Targa Resources Corp.,
Gtd. Notes
4.200%   02/01/33     1,345   1,241,020
6.250%   07/01/52     305   308,096
Williams Cos., Inc. (The),
Sr. Unsec’d. Notes
2.600%   03/15/31     280   245,981
4.000%   09/15/25     65   64,893
              7,012,502
Real Estate — 0.2%
Ontario Teachers’ Cadillac Fairview Properties Trust (Canada),
Sr. Unsec’d. Notes, 144A
4.125%   02/01/29     600   586,453
Real Estate Investment Trusts (REITs) — 1.8%
Brixmor Operating Partnership LP,
Sr. Unsec’d. Notes
2.250%   04/01/28     15   13,926
2.500%   08/16/31     5   4,294
4.050%   07/01/30     1,980   1,894,326
COPT Defense Properties LP,
Gtd. Notes
2.750%   04/15/31     5   4,331
CubeSmart LP,
Gtd. Notes
2.250%   12/15/28     105   96,040
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Real Estate Investment Trusts (REITs) (cont’d.)
Digital Realty Trust LP,
Gtd. Notes
3.600%   07/01/29     40   $38,184
Essex Portfolio LP,
Gtd. Notes
1.700%   03/01/28     40   36,822
GLP Capital LP/GLP Financing II, Inc.,
Gtd. Notes
5.375%   04/15/26     2,400   2,406,640
Kimco Realty OP LLC,
Gtd. Notes
2.250%   12/01/31     50   42,472
Phillips Edison Grocery Center Operating Partnership I LP,
Gtd. Notes
2.625%   11/15/31     395   339,065
Realty Income Corp.,
Sr. Unsec’d. Notes
3.400%   01/15/28     15   14,560
Sun Communities Operating LP,
Gtd. Notes
2.300%   11/01/28     1,855   1,712,598
2.700%   07/15/31     20   17,403
              6,620,661
Retail — 0.1%
AutoNation, Inc.,
Sr. Unsec’d. Notes
3.850%   03/01/32     300   270,521
McDonald’s Corp.,
Sr. Unsec’d. Notes, MTN
3.500%   07/01/27     15   14,726
              285,247
Semiconductors — 0.7%
Broadcom, Inc.,
Sr. Unsec’d. Notes, 144A
3.137%   11/15/35     470   389,669
3.419%   04/15/33     2,275   2,026,206
Intel Corp.,
Sr. Unsec’d. Notes
3.750%   03/25/27     30   29,514
              2,445,389
Shipbuilding — 0.3%
Huntington Ingalls Industries, Inc.,
Gtd. Notes
4.200%   05/01/30     1,270   1,221,045
Software — 0.0%
Oracle Corp.,
Sr. Unsec’d. Notes
2.950%   05/15/25     50   49,884
Take-Two Interactive Software, Inc.,
Sr. Unsec’d. Notes
3.550%   04/14/25     20   19,990
              69,874
 
A10

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Corporate Bonds (continued)
Telecommunications — 1.3%
AT&T, Inc.,
Sr. Unsec’d. Notes
3.500%   06/01/41     1,725   $1,329,540
3.550%   09/15/55     610   412,821
T-Mobile USA, Inc.,
Gtd. Notes
2.550%   02/15/31     1,475   1,300,301
3.875%   04/15/30     415   397,710
Verizon Communications, Inc.,
Sr. Unsec’d. Notes
1.680%   10/30/30     255   216,939
2.355%   03/15/32     318   268,975
2.550%   03/21/31     390   343,646
3.150%   03/22/30     200   186,374
Sr. Unsec’d. Notes, 144A
4.780%   02/15/35     475   461,055
              4,917,361
Transportation — 0.1%
Burlington Northern Santa Fe LLC,
Sr. Unsec’d. Notes
5.050%   03/01/41     215   205,431
 
Total Corporate Bonds

(cost $111,888,474)

  109,009,285
Residential Mortgage-Backed Securities — 3.2%
ATLX Trust,
Series 2024-RPL02, Class A1, 144A
3.850%   04/25/63     3,383   3,246,303
Chase Home Lending Mortgage Trust,
Series 2023-RPL01, Class A1, 144A
3.500%(cc)   06/25/62     647   598,854
Series 2024-RPL03, Class A1A, 144A
3.250%(cc)   09/25/64     476   422,576
CIM Trust,
Series 2024-R01, Class A1, 144A
4.750%(cc)   06/25/64     452   444,915
Citigroup Mortgage Loan Trust,
Series 2022-A, Class A1, 144A
6.170%   09/25/62     236   236,015
Connecticut Avenue Securities Trust,
Series 2023-R08, Class 1M1, 144A, 30 Day Average SOFR + 1.500% (Cap N/A, Floor 0.000%)
5.840%(c)   10/25/43     348   348,247
Credit Suisse Mortgage Trust,
Series 2022-RPL04, Class A1, 144A
3.904%(cc)   04/25/62     390   370,574
Fannie Mae REMIC,
Series 2022-51, Class PS, IO, 30 Day Average SOFR x (1) + 5.950% (Cap 5.950%, Floor 0.000%)
1.610%(c)   08/25/52     4,478   461,702
FHLMC Structured Agency Credit Risk REMIC Trust,
Series 2022-DNA03, Class M1B, 144A, 30 Day Average SOFR + 2.900% (Cap N/A, Floor 0.000%)
7.240%(c)   04/25/42     2,181   2,242,102
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Residential Mortgage-Backed Securities
(continued)
Series 2022-DNA06, Class M1A, 144A, 30 Day Average SOFR + 2.150% (Cap N/A, Floor 0.000%)
6.490%(c)   09/25/42     421   $425,057
Freddie Mac REMIC,
Series 5222, Class SA, IO, 30 Day Average SOFR x (1) + 3.500% (Cap 3.500%, Floor 0.000%)
0.000%(c)   05/25/52     186   3,247
Series 5251, Class PO, PO
2.302%(s)   08/25/52     277   190,939
Freddie Mac Strips,
Series 406, Class PO, PO
1.203%(s)   10/25/53     893   738,479
Government National Mortgage Assoc.,
Series 2019-70, Class SJ, IO, 1 Month SOFR x (1) + 5.986% (Cap 6.100%, Floor 0.000%)
1.666%(c)   06/16/38     10,832   956,004
Series 2021-114, Class TI, IO
3.000%   06/20/51     529   76,583
Series 2022-046, Class S, IO, 30 Day Average SOFR x (1) + 3.500% (Cap 3.500%, Floor 0.000%)
0.000%(c)   03/20/52     485   8,269
Series 2022-066, Class SB, IO, 30 Day Average SOFR x (1) + 3.850% (Cap 3.850%, Floor 0.000%)
0.000%(c)   04/20/52     643   16,012
Series 2022-068, Class SP, IO, 30 Day Average SOFR x (1) + 3.850% (Cap 3.850%, Floor 0.000%)
0.000%(c)   04/20/52     604   16,900
Series 2022-078, Class SB, IO, 30 Day Average SOFR x (1) + 3.750% (Cap 3.750%, Floor 0.000%)
0.000%(c)   04/20/52     1,249   31,343
Series 2022-093, Class GS, IO, 30 Day Average SOFR x (1) + 3.650% (Cap 3.650%, Floor 0.000%)
0.000%(c)   05/20/52     468   9,352
Series 2022-133, Class SA, IO, 30 Day Average SOFR x (1) + 3.950% (Cap 3.950%, Floor 0.000%)
0.000%(c)   07/20/52     954   21,131
Series 2022-148, Class DS, IO, 30 Day Average SOFR x (1) + 3.600% (Cap 3.600%, Floor 0.000%)
0.000%(c)   08/20/52     991   17,324
Series 2022-93, Class IO, IO
3.000%   08/20/51     2,364   268,171
PRET Trust,
Series 2024-RPL02, Class A1, 144A
4.075%(cc)   06/25/64     375   354,059
Shamrock Residential (Ireland),
Series 2023-01A, Class A, 144A, 1 Month EURIBOR + 1.000% (Cap N/A, Floor 0.000%)
3.373%(c)   06/24/71   EUR 124   134,676
Towd Point Mortgage Trust,
Series 2021-SJ02, Class A1B, 144A
2.250%(cc)   12/25/61     300   274,357
 
Total Residential Mortgage-Backed Securities

(cost $11,038,514)

  11,913,191
 
A11

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
Sovereign Bonds — 1.6%
Israel Government International Bond (Israel),
Sr. Unsec’d. Notes, Series 05YR
5.375%   02/19/30     768   $773,448
Japan Bank for International Cooperation (Japan),
Gov’t. Gtd. Notes
0.625%   07/15/25     400   395,187
Mexico Government International Bond (Mexico),
Sr. Unsec’d. Notes
6.875%   05/13/37     880   902,000
Oman Government International Bond (Oman),
Sr. Unsec’d. Notes, 144A
4.750%   06/15/26     1,216   1,209,920
Province of Alberta (Canada),
Sr. Unsec’d. Notes
1.300%   07/22/30     685   607,790
3.300%   03/15/28     1,000   977,740
Province of Quebec (Canada),
Sr. Unsec’d. Notes
1.350%   05/28/30     200   173,425
Republic of Poland Government International Bond (Poland),
Bonds
5.375%   02/12/35     560   561,680
Saudi Government International Bond (Saudi Arabia),
Sr. Unsec’d. Notes, 144A
5.125%   01/13/28     600   606,390
 
Total Sovereign Bonds

(cost $6,205,361)

  6,207,580
U.S. Government Agency Obligations — 29.2%
Federal Home Loan Bank
4.250%   09/10/32     850   844,864
Federal Home Loan Mortgage Corp.
1.500%   02/01/36     123   108,362
1.500%   06/01/36     139   122,155
2.000%   02/01/36     726   659,280
2.000%   05/01/42     395   334,447
2.000%   04/01/51     78   62,115
2.000%   06/01/51     3,691   2,953,375
2.000%   07/01/51     488   390,285
2.000%   09/01/51     2,060   1,659,083
2.500%   10/01/35     621   580,615
2.500%   07/01/51     1,748   1,465,293
2.500%   08/01/51     1,661   1,391,575
3.000%   09/01/46     991   879,706
3.000%   12/01/46     483   426,866
3.000%   09/01/50     4,431   3,887,723
3.000%   02/01/52     444   386,113
3.000%   02/01/52     859   751,754
3.500%   06/01/37     314   302,310
3.500%   03/01/48     536   490,853
3.500%   07/01/52     2,928   2,642,767
4.000%   05/01/52     1,180   1,101,463
4.500%   07/01/52     1,517   1,452,001
5.000%   06/01/52     1,593   1,567,068
5.000%   11/01/52     429   421,877
5.500%   01/01/53     3,472   3,475,054
5.500%   02/01/53     932   932,985
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
U.S. Government Agency Obligations(continued)
6.000%   12/01/52     798   $813,310
6.750%   09/15/29     90   100,018
6.750%   03/15/31     1,230   1,399,526
Federal National Mortgage Assoc.
0.875%   08/05/30     175   148,612
1.500%   01/01/36     1,550   1,364,734
1.500%   04/01/36     134   118,381
1.500%   06/01/36     143   125,573
1.500%   11/01/50     426   322,633
1.500%   02/01/51     3,687   2,785,575
2.000%   03/01/31     311   295,224
2.000%   01/01/32     645   609,113
2.000%   02/01/37     1,187   1,073,409
2.000%   05/01/37     473   427,485
2.000%   05/01/42     1,550   1,310,545
2.000%   10/01/50     1,128   904,815
2.000%   12/01/50     113   90,277
2.000%   01/01/51     1,430   1,146,458
2.000%   02/01/51     40   31,941
2.000%   04/01/51     3,162   2,531,177
2.000%   05/01/51     2,285   1,826,670
2.000%   08/01/51     2,461   1,964,094
2.500%   TBA     2,500   2,078,394
2.500%   07/01/32     339   322,741
2.500%   08/01/32     375   358,091
2.500%   09/01/32     358   341,783
2.500%   01/01/35     350   327,378
2.500%   07/01/35     1,258   1,198,753
2.500%   04/01/51     446   373,607
2.500%   06/01/51     2,508   2,096,926
2.500%   08/01/51     408   340,318
2.500%   02/01/52     2,026   1,702,661
2.500%   04/01/52     1,039   873,500
3.000%   05/01/35     1,144   1,087,917
3.000%   06/01/36     889   849,007
3.000%   07/01/36     700   665,576
3.000%   02/01/52     1,605   1,394,403
3.000%   04/01/52     943   818,066
3.000%   04/01/52     2,062   1,804,894
3.500%   05/01/48     2,371   2,164,998
3.500%   02/01/52     804   730,812
3.500%   03/01/52     793   722,998
3.500%   05/01/52     2,883   2,603,935
4.000%   01/01/50     415   391,061
4.000%   05/01/50     436   410,496
4.000%   06/01/52     928   865,925
4.000%   08/01/52     1,193   1,113,314
4.500%   07/01/52     354   339,628
4.500%   08/01/52     134   128,806
4.500%   09/01/52     746   714,400
4.500%   01/01/53     485   464,341
5.000%   06/01/52     750   737,970
5.000%   10/01/52     421   413,703
5.500%   11/01/53     956   955,387
6.000%   01/01/53     2,060   2,093,262
6.000%   09/01/53     431   437,682
6.625%   11/15/30     290   326,722
 
A12

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest
Rate
  Maturity
Date
  Principal
Amount
(000)#
  Value
 
U.S. Government Agency Obligations(continued)
4.336%(s)   03/17/31     710   $546,587
Government National Mortgage Assoc.
2.000%   10/20/50     1,906   1,559,239
2.000%   01/20/51     1,377   1,126,638
2.000%   10/20/51     428   350,346
2.000%   11/20/51     454   371,738
2.500%   07/20/51     1,097   936,550
2.500%   08/20/51     6,142   5,241,210
3.000%   03/20/47     1,125   1,009,403
3.000%   01/20/50     504   448,375
3.000%   06/20/51     1,412   1,251,067
3.000%   10/20/51     1,945   1,723,621
3.000%   11/20/51     771   684,106
3.500%   06/20/42     382   357,288
3.500%   03/20/43     227   211,807
3.500%   06/20/46     2,492   2,306,671
3.500%   02/20/52     2,384   2,188,205
4.000%   09/20/47     1,657   1,568,955
4.000%   02/20/48     126   118,656
4.000%   04/20/48     453   426,295
4.000%   04/20/49     448   422,578
4.000%   01/20/50     51   47,647
4.000%   02/20/50     74   69,637
4.000%   07/20/50     111   104,989
4.000%   06/20/52     434   407,071
4.500%   08/20/48     1,170   1,137,696
4.500%   05/20/52     842   812,822
4.500%   10/20/52     423   406,618
5.000%   03/20/53     252   248,691
5.500%   TBA     500   500,461
7.000%   06/20/54     1,849   1,910,248
Tennessee Valley Authority, Sr. Unsec’d. Notes
1.500%   09/15/31     145   122,067
5.250%   02/01/55     250   247,864
Tennessee Valley Authority Generic Strips, Bonds
4.724%(s)   07/15/34     40   25,508
 
Total U.S. Government Agency Obligations

(cost $114,485,702)

  109,819,668
U.S. Treasury Obligations — 3.8%
U.S. Treasury Bonds
2.375%   11/15/49(k)     11,440   7,566,488
2.375%   05/15/51     3,090   2,020,570
U.S. Treasury Strips Coupon
3.072%(s)   08/15/37     315   179,983
3.229%(s)   05/15/41     4,540   2,117,353
3.273%(s)   05/15/43     5,150   2,162,089
4.920%(s)   08/15/48     305   99,333
 
Total U.S. Treasury Obligations

(cost $15,220,793)

  14,145,816
 
Total Long-Term Investments

(cost $379,378,740)

  372,313,861
    
      Shares   Value
Short-Term Investments — 1.8%
Affiliated Mutual Funds — 1.8%
PGIM Core Government Money Market Fund (7-day effective yield 4.488%)(wb)

6,394,017   $6,394,017
PGIM Institutional Money Market Fund (7-day effective yield 4.548%)

(cost $295,926; includes $293,221 of cash collateral for securities on loan)(b)(wb)

296,193   296,015
 
Total Affiliated Mutual Funds

(cost $6,689,943)

  6,690,032
Options Purchased*~ — 0.0%
(cost $416)

  4,316
 
Total Short-Term Investments

(cost $6,690,359)

  6,694,348
 
TOTAL INVESTMENTS, BEFORE OPTIONS WRITTEN—100.9%

(cost $386,069,099)

  379,008,209
    
           
Options Written*~ — (0.0)%  
(premiums received $1,926)

(5,854)
 
TOTAL INVESTMENTS, NET OF OPTIONS WRITTEN—100.9%

(cost $386,067,173)

379,002,355
 
Liabilities in excess of other assets(z) — (0.9)%

(3,354,179)
 
Net Assets — 100.0%

$375,648,176
    
Below is a list of the abbreviation(s) used in the quarterly schedule of portfolio holdings:
EUR Euro
    
144A Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and, pursuant to the requirements of Rule 144A, may not be resold except to qualified institutional buyers.
A Annual payment frequency for swaps
BARC Barclays Bank PLC
CDX Credit Derivative Index
CITI Citibank, N.A.
CLO Collateralized Loan Obligation
DAC Designated Activity Company
DB Deutsche Bank AG
EURIBOR Euro Interbank Offered Rate
FHLMC Federal Home Loan Mortgage Corporation
GMTN Global Medium Term Note
IO Interest Only (Principal amount represents notional)
JPM JPMorgan Chase Bank N.A.
LP Limited Partnership
MTN Medium Term Note
N/A Not Applicable
OTC Over-the-counter
PO Principal Only
Q Quarterly payment frequency for swaps
 
A13

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
REITs Real Estate Investment Trust
REMIC Real Estate Mortgage Investment Conduit
SOFR Secured Overnight Financing Rate
SSB State Street Bank & Trust Company
STRIPs Separate Trading of Registered Interest and Principal of Securities
TBA To Be Announced
    
* Non-income producing security.
# Principal or notional amount is shown in U.S. dollars unless otherwise stated.
~ See tables subsequent to the Schedule of Investments for options detail. Options with maturity dates greater than one year from date of acquisition would be considered long-term investments.
(a) All or a portion of security is on loan. The aggregate market value of such securities, including those sold and pending settlement, is $284,975; cash collateral of $293,221 (included in liabilities) was received with which the Portfolio purchased highly liquid short-term investments. In the event of significant appreciation in value of securities on loan on the last business day of the reporting period, the Portfolio may reflect a collateral value that is less than the market value of the loaned securities and such shortfall is remedied the following business day.
(b) Represents security, or portion thereof, purchased with cash collateral received for securities on loan and includes dividend reinvestment.
(c) Variable rate instrument. The interest rate shown reflects the rate in effect at March 31, 2025.
(cc) Variable rate instrument. The rate shown is based on the latest available information as of March 31, 2025. Certain variable rate securities are not based on a published reference rate and spread but are determined by the issuer or agent and are based on current market conditions. These securities do not indicate a reference rate and spread in their description.
(ff) Variable rate security. Security may be issued at a fixed coupon rate, which converts to a variable rate at a specified date. Rate shown is the rate in effect as of period end.
(k) Represents security, or a portion thereof, segregated as collateral for centrally cleared/exchange-traded derivatives.
(oo) Perpetual security. Maturity date represents next call date.
(r) Principal or notional amount is less than $500 par.
(s) Represents zero coupon bond or principal only security. Rate represents yield to maturity at purchase date.
(wb) Represents an investment in a Fund affiliated with the Manager. 
(z) Includes net unrealized appreciation/(depreciation) and/or market value of the below holdings which are excluded from the Schedule of Investments:
 
Forward Commitment Contracts:                      
U.S. Government Agency Obligations   Interest
Rate
  Maturity
Date
  Settlement
Date
  Principal
Amount
(000)#
Value
Federal National Mortgage Assoc.   2.000%   TBA   04/14/25     $(2,500)   $(1,986,444)
Federal National Mortgage Assoc.   3.000%   TBA   05/13/25     (3,500)   (3,032,151)
Federal National Mortgage Assoc.   3.500%   TBA   04/14/25     (3,000)   (2,705,405)
Federal National Mortgage Assoc.   4.000%   TBA   04/14/25     (1,000)   (931,712)
Federal National Mortgage Assoc.   4.000%   TBA   05/13/25     (500)   (465,133)
Federal National Mortgage Assoc.   4.500%   TBA   05/13/25     (500)   (478,019)
Government National Mortgage Assoc.   3.000%   TBA   04/21/25     (3,000)   (2,656,877)
Government National Mortgage Assoc.   3.500%   TBA   04/21/25     (1,500)   (1,372,390)
TOTAL FORWARD COMMITMENT CONTRACTS
(proceeds receivable $13,635,117)
                    $(13,628,131)
Options Purchased:
OTC Swaptions    
Description   Call/
Put
  Counterparty   Expiration
Date
  Strike   Receive   Pay   Notional
Amount
(000)#
  Value
3-Year Interest Rate Swap, 04/29/28   Call   CITI   04/25/25   3.36%   3.36%(A)   1 Day SOFR(A)/ 4.410%     245   $191
5-Year Interest Rate Swap, 06/27/30   Call   CITI   06/25/25   3.40%   3.40%(A)   1 Day SOFR(A)/ 4.410%     150   800
7-Year Interest Rate Swap, 05/29/32   Call   JPM   05/27/25   3.56%   3.56%(A)   1 Day SOFR(A)/ 4.410%     100   654
10-Year Interest Rate Swap, 09/29/35   Call   DB   09/25/25   3.53%   3.53%(A)   1 Day SOFR(A)/ 4.410%     75   1,062
3-Year Interest Rate Swap, 04/29/28   Put   CITI   04/25/25   4.11%   1 Day SOFR(A)/ 4.410%   4.11%(A)     245   29
A14

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Options Purchased (continued):
OTC Swaptions    
Description   Call/
Put
  Counterparty   Expiration
Date
  Strike   Receive   Pay   Notional
Amount
(000)#
  Value
5-Year Interest Rate Swap, 08/25/30   Put   JPM   08/21/25   4.21%   1 Day SOFR(A)/ 4.410%   4.21%(A)     200   $683
7-Year Interest Rate Swap, 05/14/32   Put   JPM   05/12/25   4.30%   1 Day SOFR(A)/ 4.410%   4.30%(A)     295   154
10-Year Interest Rate Swap, 05/23/35   Put   CITI   05/21/25   4.10%   1 Day SOFR(A)/ 4.410%   4.10%(A)     180   654
10-Year Interest Rate Swap, 05/23/35   Put   CITI   05/21/25   4.50%   1 Day SOFR(A)/ 4.410%   4.50%(A)     180   89
Total Options Purchased (cost $416)       $4,316
Options Written:
Exchange Traded  
Description Call/
Put
  Expiration
Date
  Strike Contracts   Notional
Amount
(000)#
  Value
3 Month SOFR Call   12/12/25     $96.25   1       3 $(925)  
3 Month SOFR Put   12/12/25     $96.25   1       3 (619)  
Total Exchange Traded (premiums received $1,534)                       $(1,544)  
    
OTC Swaptions
Description   Call/
Put
  Counterparty   Expiration
Date
  Strike   Receive   Pay   Notional
Amount
(000)#
  Value
3-Year Interest Rate Swap, 04/29/28   Call   CITI   04/25/25   3.51%   1 Day SOFR(A)/ 4.410%   3.51%(A)     245   $(408)
5-Year Interest Rate Swap, 06/27/30   Call   CITI   06/25/25   3.15%   1 Day SOFR(A)/ 4.410%   3.15%(A)     300   (833)
7-Year Interest Rate Swap, 05/29/32   Call   JPM   05/27/25   3.31%   1 Day SOFR(A)/ 4.410%   3.31%(A)     100   (283)
7-Year Interest Rate Swap, 05/29/32   Call   JPM   05/27/25   3.41%   1 Day SOFR(A)/ 4.410%   3.41%(A)     100   (400)
10-Year Interest Rate Swap, 09/29/35   Call   DB   09/25/25   3.21%   1 Day SOFR(A)/ 4.410%   3.21%(A)     150   (1,070)
3-Year Interest Rate Swap, 04/29/28   Put   CITI   04/25/25   3.96%   3.96%(A)   1 Day SOFR(A)/ 4.410%     245   (111)
5-Year Interest Rate Swap, 08/25/30   Put   JPM   08/21/25   4.53%   4.53%(A)   1 Day SOFR(A)/ 4.410%     400   (615)
7-Year Interest Rate Swap, 05/14/32   Put   JPM   05/12/25   4.50%   4.50%(A)   1 Day SOFR(A)/ 4.410%     580   (91)
A15

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Options Written (continued):
OTC Swaptions
Description   Call/
Put
  Counterparty   Expiration
Date
  Strike   Receive   Pay   Notional
Amount
(000)#
  Value
10-Year Interest Rate Swap, 05/23/35   Put   CITI   05/21/25   4.30%   4.30%(A)   1 Day SOFR(A)/ 4.410%     360   $(499)
Total OTC Swaptions (premiums received $392)       $(4,310)
Total Options Written (premiums received $1,926)       $(5,854)
Futures contracts outstanding at March 31, 2025:
Number
of
Contracts
  Type   Expiration
Date
  Current
Notional
Amount
  Value /
Unrealized
Appreciation
(Depreciation)
Long Positions:
23   2 Year U.S. Treasury Notes   Jun. 2025   $4,764,953   $24,099
65   5 Year U.S. Treasury Notes   Jun. 2025   7,030,156   8,829
11   10 Year U.S. Treasury Notes   Jun. 2025   1,223,406   3,407
125   10 Year U.S. Ultra Treasury Notes   Jun. 2025   14,265,625   179,551
177   20 Year U.S. Treasury Bonds   Jun. 2025   20,758,781   400,292
88   30 Year U.S. Ultra Treasury Bonds   Jun. 2025   10,758,000   173,108
                $789,286
Forward foreign currency exchange contracts outstanding at March 31, 2025:
Purchase
Contracts
  Counterparty   Notional
Amount
(000)
  Value at
Settlement
Date
  Current
Value
  Unrealized
Appreciation
  Unrealized
Depreciation
OTC Forward Foreign Currency Exchange Contracts:
Euro,
Expiring 04/02/25   SSB   EUR 263   $285,025   $284,568   $—   $(457)
    
Sale
Contracts
  Counterparty   Notional
Amount
(000)
  Value at
Settlement
Date
  Current
Value
  Unrealized
Appreciation
  Unrealized
Depreciation
OTC Forward Foreign Currency Exchange Contracts:
Euro,
Expiring 04/02/25   SSB   EUR 263   $275,997   $284,568   $  $(8,571)
Expiring 05/02/25   SSB   EUR 263   285,486   285,032   454  
              $561,483   $569,600   454   (8,571)
                      $454   $(9,028)
Credit default swap agreements outstanding at March 31, 2025:
Reference Entity/
Obligation
  Termination
Date
  Fixed
Rate
  Notional
Amount
(000)#(3)
  Fair
Value
  Upfront
Premiums
Paid
(Received)
  Unrealized
Appreciation
(Depreciation)
  Counterparty
OTC Credit Default Swap Agreement on corporate and/or sovereign issues - Buy Protection(1):
U.S. Treasury Notes   06/20/25   0.250%(Q)   EUR 190   $25   $(24)   $49   BARC
    
A16

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Credit default swap agreements outstanding at March 31, 2025 (continued):
Reference Entity/
Obligation
  Termination
Date
  Fixed
Rate
  Notional
Amount
(000)#(3)
  Implied
Credit
Spread at
March 31,
2025(4)
  Fair
Value
  Upfront
Premiums
Paid
(Received)
  Unrealized
Appreciation
(Depreciation)
  Counterparty
OTC Credit Default Swap Agreements on corporate and/or sovereign issues - Sell Protection(2):
Hellenic Republic   06/20/27   1.000%(Q)     95   0.239%   $1,581   $1,472   $109   BARC
Hellenic Republic   12/20/27   1.000%(Q)     70   0.305%   1,288   1,205   83   BARC
Kingdom of Norway   12/20/25   —%(Q)     970   0.036%   (254)   (346)   92   BARC
Kingdom of Spain   06/20/25   1.000%(Q)     235   0.066%   567   494   73   BARC
Republic of Italy   06/20/25   1.000%(Q)     415   0.085%   983   872   111   BARC
                      $4,165   $3,697   $468    
    
Reference Entity/
Obligation
Termination
Date
  Fixed
Rate
  Notional
Amount
(000)#(3)
  Implied Credit
Spread at
March 31,
2025(4)
  Value at
Trade Date
  Value at
March 31,
2025
  Unrealized
Appreciation
(Depreciation)
Centrally Cleared Credit Default Swap Agreements on credit indices - Sell Protection(2):
CDX.NA.HY.44.V1 06/20/30   5.000%(Q)     940   3.771%   $55,793   $50,034   $(5,759)
CDX.NA.IG.44.V1 06/20/30   1.000%(Q)     9,142   0.614%   179,770   168,127   (11,643)
                      $235,563   $218,161   $(17,402)
The Portfolio entered into credit default swaps (“CDS”) to provide a measure of protection against defaults or to take an active long or short position with respect to the likelihood of a particular issuer’s default or the reference entity’s credit soundness. CDS contracts generally trade based on a spread which represents the cost a protection buyer has to pay the protection seller. The protection buyer is said to be short the credit as the value of the contract rises the more the credit deteriorates. The value of the CDS contract increases for the protection buyer if the spread increases.
(1) If the Portfolio is a buyer of protection, it pays the fixed rate. When a credit event occurs, as defined under the terms of that particular swap agreement, the Portfolio will either (i) receive from the seller of protection an amount equal to the notional amount of the swap and make delivery of the referenced obligation or underlying securities comprising the referenced index or (ii) receive a net settlement amount in the form of cash or securities equal to the notional amount of the swap less the recovery value of the referenced obligation or underlying securities comprising the referenced index.
(2) If the Portfolio is a seller of protection, it receives the fixed rate. When a credit event occurs, as defined under the terms of that particular swap agreement, the Portfolio will either (i) pay to the buyer of protection an amount equal to the notional amount of the swap and take delivery of the referenced obligation or underlying securities comprising the referenced index or (ii) pay a net settlement amount in the form of cash or securities equal to the notional amount of the swap less the recovery value of the referenced obligation or underlying securities comprising the referenced index.
(3) Notional amount represents the maximum potential amount the Portfolio could be required to pay as a seller of credit protection or receive as a buyer of credit protection if a credit event occurs as defined under the terms of that particular swap agreement.
(4) Implied credit spreads, represented in absolute terms, utilized in determining the fair value of credit default swap agreements where the Portfolio is the seller of protection as of the reporting date serve as an indicator of the current status of the payment/ performance risk and represent the likelihood of risk of default for the credit derivative. The implied credit spread of a particular referenced entity reflects the cost of buying/selling protection and may include up-front payments required to be made to enter into the agreement. Wider credit spreads represent a deterioration of the referenced entity’s credit soundness and a greater likelihood of risk of default or other credit event occurring as defined under the terms of the agreement.
A17

AST TARGET MATURITY CENTRAL PORTFOLIO (continued)
SCHEDULE OF INVESTMENTS as of March 31, 2025(unaudited)
Interest rate swap agreements outstanding at March 31, 2025:
Notional
Amount
(000)#
  Termination
Date
  Fixed
Rate
  Floating
Rate
  Value at
Trade Date
  Value at
March 31,
2025
  Unrealized
Appreciation
(Depreciation)
Centrally Cleared Interest Rate Swap Agreement:
  655   12/14/54   3.136%(A)   1 Day SOFR(1)(A)/ 4.410%   $9,579   $8,093   $(1,486)
    
(1) The Portfolio pays the fixed rate and receives the floating rate.
(2) The Portfolio pays the floating rate and receives the fixed rate.
Other information regarding the Portfolio is available in the Portfolio’s most recent Report to Shareholders. This information is available on the Securities and Exchange Commission’s website (www.sec.gov).
A18