NPORT-P false 0001524513 XXXXXXXX S000042863 C000132818 iShares U.S. ETF Trust 811-22649 0001524513 5493002YECWEEITPWL97 400 HOWARD STREET SAN FRANCISCO 94105 800-474-2737 iShares Interest Rate Hedged High Yield Bond ETF S000042863 549300K03DREBCPJX421 2022-10-31 2022-10-31 N 215326684.91 103400628.22 111926056.69 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 USD N BlackRock Interest Rate Hedged High Yield Bond Index USIRHHYC LCH Limited F226TOH6YD6XJB17KS62 000000000 500000.00000000 OU Notional Amount USD 56666.11000000 0.050628166198 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2026-11-23 0.00000000 USD -4.01000000 USD 500000.00000000 USD 56670.12000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1200000.00000000 OU Notional Amount USD 5532.58000000 0.004943067024 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-11-01 0.00000000 USD -16.38000000 USD 1200000.00000000 USD 5548.96000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 1250000.00000000 OU Notional Amount USD 160316.88000000 0.143234636099 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2026-06-17 5372.12000000 USD 0.00000000 USD 1250000.00000000 USD 154944.76000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 500000.00000000 OU Notional Amount USD 13615.97000000 0.012165147600 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-09-24 0.00000000 USD -6.73000000 USD 500000.00000000 USD 13622.70000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 2100000.00000000 OU Notional Amount USD 303990.98000000 0.271599830271 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2028-10-23 0.00000000 USD -23.30000000 USD 2100000.00000000 USD 304014.28000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 1070000.00000000 OU Notional Amount USD 34008.63000000 0.030384908577 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2023-06-30 0.00000000 USD -1.58000000 USD 1070000.00000000 USD 34010.21000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 80000.00000000 OU Notional Amount USD 32426.19000000 0.028971082301 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2045-03-30 0.00000000 USD -2292.92000000 USD 80000.00000000 USD 34719.11000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1520000.00000000 OU Notional Amount USD 73385.88000000 0.065566394609 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-01-05 0.00000000 USD -4.25000000 USD 1520000.00000000 USD 73390.13000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 327600.00000000 OU Notional Amount USD 57152.43000000 0.051062667345 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-01-12 0.00000000 USD -5.22000000 USD 327600.00000000 USD 57157.65000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 15000.00000000 OU Notional Amount USD 7005.97000000 0.006259462905 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2050-09-19 0.00000000 USD -36.51000000 USD 15000.00000000 USD 7042.48000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 200000.00000000 OU Notional Amount USD 1800.83000000 0.001608946167 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-09-28 0.00000000 USD -1.93000000 USD 200000.00000000 USD 1802.76000000 N N N iShares iBoxx High Yield Corporate Bond ETF 549300FCCXHK7O37PQ68 464288513 1461714.00000000 NS USD 107333659.02000000 95.89693606135 Long EC RF US N 1 N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 16400000.00000000 OU Notional Amount USD 1919387.24000000 1.714870778764 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2025-09-15 0.00000000 USD -3782.32000000 USD 16400000.00000000 USD 1923169.56000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 2600000.00000000 OU Notional Amount USD 107081.56000000 0.095671698947 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-02-22 0.00000000 USD -8.10000000 USD 2600000.00000000 USD 107089.66000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 842000.00000000 OU Notional Amount USD 103618.90000000 0.092577995744 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-03-12 0.00000000 USD -10.50000000 USD 842000.00000000 USD 103629.40000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 2500000.00000000 OU Notional Amount USD 371380.51000000 0.331808803939 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2028-10-12 0.00000000 USD -27.59000000 USD 2500000.00000000 USD 371408.10000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 300000.00000000 OU Notional Amount USD 23898.07000000 0.021351659038 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-08-15 0.00000000 USD -3.99000000 USD 300000.00000000 USD 23902.06000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 800000.00000000 OU Notional Amount USD 38160.32000000 0.034094223569 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-09-12 0.00000000 USD -10.72000000 USD 800000.00000000 USD 38171.04000000 N N N BlackRock Funds III 5493008LW2651I1QB503 066922519 49623791.04400000 NS USD 49613866.29000000 44.32736018513 Long STIV RF US N 1 N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 10500000.00000000 OU Notional Amount USD 1579705.13000000 1.411382815330 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2030-04-01 0.00000000 USD -350260.30000000 USD 10500000.00000000 USD 1929965.43000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 2814000.00000000 OU Notional Amount USD 625581.45000000 0.558923872153 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2031-06-04 57350.57000000 USD 0.00000000 USD 2814000.00000000 USD 568230.88000000 N N N Chicago Board of Trade 549300EX04Q2QBFQTQ27 000000000 -1.00000000 NC USD 3826.51000000 0.003418783894 N/A DIR US N 1 Chicago Board of Trade 549300EX04Q2QBFQTQ27 Short CBOT 10 Year US Treasury Note Future TYZ2 Comdty 2022-12-20 -114514.01000000 USD 3826.51000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1500000.00000000 OU Notional Amount USD 59777.29000000 0.053407840647 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-03-14 0.00000000 USD -4.87000000 USD 1500000.00000000 USD 59782.16000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1000000.00000000 OU Notional Amount USD 22927.67000000 0.020484658066 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-08-09 0.00000000 USD -4.21000000 USD 1000000.00000000 USD 22931.88000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 10000000.00000000 OU Notional Amount USD 767.28000000 0.000685524017 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2023-01-13 0.00000000 USD -11.11000000 USD 10000000.00000000 USD 778.39000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 300000.00000000 OU Notional Amount USD 18192.97000000 0.016254454537 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-08-16 0.00000000 USD -2.82000000 USD 300000.00000000 USD 18195.79000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 1960000.00000000 OU Notional Amount USD 320348.07000000 0.286214023323 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2028-09-05 0.00000000 USD -20.96000000 USD 1960000.00000000 USD 320369.03000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 4300000.00000000 OU Notional Amount USD 604542.90000000 0.540127042690 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-01-05 0.00000000 USD -52.07000000 USD 4300000.00000000 USD 604594.97000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 6120000.00000000 OU Notional Amount USD 437084.41000000 0.390511756534 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2024-06-17 0.00000000 USD -4238.92000000 USD 6120000.00000000 USD 441323.33000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 355000.00000000 OU Notional Amount USD 42518.51000000 0.037988035366 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-02-28 0.00000000 USD -4.40000000 USD 355000.00000000 USD 42522.91000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 4450000.00000000 OU Notional Amount USD 600240.28000000 0.536282879743 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-01-29 0.00000000 USD -54.38000000 USD 4450000.00000000 USD 600294.66000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 2033000.00000000 OU Notional Amount USD 339352.73000000 0.303193679859 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-01-12 0.00000000 USD -32.39000000 USD 2033000.00000000 USD 339385.12000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1100000.00000000 OU Notional Amount USD 210286.70000000 0.187880022059 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2031-11-28 0.00000000 USD -17.32000000 USD 1100000.00000000 USD 210304.02000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 9450000.00000000 OU Notional Amount USD 1403060.21000000 1.253559940815 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2028-04-07 47995.51000000 USD 0.00000000 USD 9450000.00000000 USD 1355064.70000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 2000000.00000000 OU Notional Amount USD 48902.53000000 0.043691818908 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-08-15 0.00000000 USD -8.50000000 USD 2000000.00000000 USD 48911.03000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 3776000.00000000 OU Notional Amount USD 396195.70000000 0.353979861094 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-01-11 0.00000000 USD -31.17000000 USD 3776000.00000000 USD 396226.87000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 4000000.00000000 OU Notional Amount USD 111473.23000000 0.099595423350 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2024-08-05 0.00000000 USD -16.72000000 USD 4000000.00000000 USD 111489.95000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1500000.00000000 OU Notional Amount USD 1850.48000000 0.001653305811 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2029-10-29 0.00000000 USD -20.44000000 USD 1500000.00000000 USD 1870.92000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 2900000.00000000 OU Notional Amount USD 344944.58000000 0.308189701487 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2026-09-29 0.00000000 USD -20.79000000 USD 2900000.00000000 USD 344965.37000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 500000.00000000 OU Notional Amount USD 12159.52000000 0.010863886711 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-09-20 0.00000000 USD -4.80000000 USD 500000.00000000 USD 12164.32000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1000000.00000000 OU Notional Amount USD 2470.01000000 0.002206823033 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2025-11-03 0.00000000 USD -8.00000000 USD 1000000.00000000 USD 2478.01000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 500000.00000000 OU Notional Amount USD 112.78000000 0.000100762953 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-10-27 0.00000000 USD -8.59000000 USD 500000.00000000 USD 121.37000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 150000.00000000 OU Notional Amount USD 13050.68000000 0.011660090943 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-08-23 0.00000000 USD -2.54000000 USD 150000.00000000 USD 13053.22000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 100000.00000000 OU Notional Amount USD 15696.84000000 0.014024294667 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-02-27 0.00000000 USD -1.61000000 USD 100000.00000000 USD 15698.45000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 830000.00000000 OU Notional Amount USD 155226.51000000 0.138686660274 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2031-10-20 0.00000000 USD -12.19000000 USD 830000.00000000 USD 155238.70000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 5780000.00000000 OU Notional Amount USD 905426.85000000 0.808950906318 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2028-06-08 22544.73000000 USD 0.00000000 USD 5780000.00000000 USD 882882.12000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 6000000.00000000 OU Notional Amount USD 393.00000000 0.000351124672 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2022-12-23 0.00000000 USD -4.80000000 USD 6000000.00000000 USD 397.80000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 300000.00000000 OU Notional Amount USD 2123.30000000 0.001897056023 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2032-11-01 0.00000000 USD -5.16000000 USD 300000.00000000 USD 2128.46000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 30000000.00000000 OU Notional Amount USD 2028.76000000 0.001812589543 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2022-12-16 0.00000000 USD -20.77000000 USD 30000000.00000000 USD 2049.53000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1915900.00000000 OU Notional Amount USD 181554.81000000 0.162209601025 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-02-09 0.00000000 USD -16.13000000 USD 1915900.00000000 USD 181570.94000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 10000.00000000 OU Notional Amount USD 5002.49000000 0.004469459702 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2050-03-30 0.00000000 USD -0.25000000 USD 10000.00000000 USD 5002.74000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1172000.00000000 OU Notional Amount USD 108007.99000000 0.096499415055 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-02-26 0.00000000 USD -9.97000000 USD 1172000.00000000 USD 108017.96000000 N N N Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 000000000 7600000.00000000 OU Notional Amount USD 834023.03000000 0.745155377277 N/A DIR US N 2 Chicago Mercantile Exchange SNZ2OJLFK8MNNCLQOF39 N/A N/A Y 2026-11-18 0.00000000 USD -57.25000000 USD 7600000.00000000 USD 834080.28000000 N N N LCH Limited F226TOH6YD6XJB17KS62 000000000 1000000.00000000 OU Notional Amount USD 3009.09000000 0.002688462444 N/A DIR US N 2 LCH Limited F226TOH6YD6XJB17KS62 N/A N/A Y 2027-11-01 0.00000000 USD -9.80000000 USD 1000000.00000000 USD 3018.89000000 N N N BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES 5493008LW2651I1QB503 066922477 880000.00000000 NS USD 880000.00000000 0.786233363368 Long STIV RF US N 1 N N N 2022-11-30 iShares U.S. ETF Trust Ann Frechette Ann Frechette Assistant Treasurer