NPORT-P false 0000916053 XXXXXXXX S000003658 C000010176 C000010177 C000010178 C000010179 C000010180 C000140351 C000140352 C000240788 MASSMUTUAL SELECT FUNDS 811-08274 0000916053 PJVR01EN4PJWVNUIQ236 1295 STATE STREET SPRINGFIELD 01111-0001 413-744-1000 MassMutual Blue Chip Growth Fund S000003658 549300BPPFERTZCUPZ87 2026-09-30 2026-03-31 N 1812809046.06 15274212.49 1797534833.57 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 0.99000000 UST Alibaba Group Holding Ltd 5493001NTNQJDH60PM02 01609W102 3685.00000000 NS USD 462320.10000000 0.025719674042 Long EC CORP KY N 1 N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K107 202798.00000000 NS USD 58174634.28000000 3.236356436245 Long EC CORP US N 1 N N N Alphabet Inc 5493006MHB84DD0ZWV18 02079K305 310422.00000000 NS USD 89264950.32000000 4.965964978977 Long EC CORP US N 1 N N N Amazon.com Inc ZXTILKJKG63JELOEG630 023135106 536840.00000000 NS USD 111807666.80000000 6.220055640198 Long EC CORP US N 1 N N N Apple Inc HWUPKR0MPOU8FGXBT394 037833100 372963.00000000 NS USD 94654279.77000000 5.265782782190 Long EC CORP US N 1 N N N Autodesk Inc FRKKVKAIQEF3FCSTPG55 052769106 73537.00000000 NS USD 17604757.80000000 0.979383401713 Long EC CORP US N 1 N N N Boeing Co/The RVHJWBXLJ1RFUBSY1F30 097023105 190343.00000000 NS USD 37883967.29000000 2.107551218618 Long EC CORP US N 1 N N N Booking Holdings Inc FXM8FAOHMYDIPD38UZ17 09857L108 2084.00000000 NS USD 8774306.88000000 0.488130005390 Long EC CORP US N 1 N N N Broadcom Inc 549300WV6GIDOZJTV909 11135F101 156630.00000000 NS USD 48478551.30000000 2.696946417651 Long EC CORP US N 1 N N N Carvana Co 5493003WEAK2PJ5WS063 146869102 111656.00000000 NS USD 35102413.28000000 1.952808514441 Long EC CORP US N 1 N N N CARVANA CO 5493003WEAK2PJ5WS063 146869AM4 1410488.00000000 PA USD 1525166.32000000 0.084847664229 Long DBT CORP US N 2 2031-06-01 Fixed 9.00000000 N N N N N N CARVANA CO 5493003WEAK2PJ5WS063 146869AN2 1054922.00000000 PA USD 1097385.78000000 0.061049486191 Long DBT CORP US N 2 2030-06-01 Fixed 9.00000000 N N N N N N Chipotle Mexican Grill Inc 529900REP5VGTPCP1J71 169656105 135956.00000000 NS USD 4351951.56000000 0.242106660673 Long EC CORP US N 1 N N N Cintas Corp N/A 172908105 12756.00000000 NS USD 2157549.84000000 0.120028263136 Long EC CORP US N 1 N N N Colgate-Palmolive Co YMEGZFW4SBUSS5BQXF88 194162103 40279.00000000 NS USD 3432979.17000000 0.190982622750 Long EC CORP US N 1 N N N Constellation Energy Corp 549300F8Y20RYGNGV346 21037T109 16874.00000000 NS USD 4712064.50000000 0.262140372025 Long EC CORP US N 1 N N N Crowdstrike Holdings Inc 549300YBY08K9KM4HX32 22788C105 9322.00000000 NS USD 3639402.02000000 0.202466286162 Long EC CORP US N 1 N N N Danaher Corp S4BKK9OTCEWQ3YHPFM11 235851102 26802.00000000 NS USD 5081659.20000000 0.282701570233 Long EC CORP US N 1 N N N Datadog Inc 549300F6JNO0KRPO1K63 23804L103 11935.00000000 NS USD 1408926.75000000 0.078381054079 Long EC CORP US N 1 N N N Deere & Co PWFTNG3EI0Y73OXWDH08 244199105 17431.00000000 NS USD 9818882.30000000 0.546241559085 Long EC CORP US N 1 N N N Walt Disney Co/The 549300GZKULIZ0WOW665 254687106 185320.00000000 NS USD 17861141.60000000 0.993646479969 Long EC CORP US N 1 N N N DoorDash Inc 549300NUQ43FGGSK5051 25809K105 21629.00000000 NS USD 3247594.35000000 0.180669341664 Long EC CORP US N 1 N N N Expeditors International of Washington Inc 984500B055A804AB6E40 302130109 72918.00000000 NS USD 10444045.14000000 0.581020458961 Long EC CORP US N 1 N N N Meta Platforms Inc BQ4BKCS1HXDV9HN80Z93 30303M102 183694.00000000 NS USD 105096848.22000000 5.846721090309 Long EC CORP US N 1 N N N FactSet Research Systems Inc 549300ZSJE7NBK6K9P30 303075105 19213.00000000 NS USD 4169028.87000000 0.231930352176 Long EC CORP US N 1 N N N GE Vernova Inc 254900DP080RU6OK2553 36828A101 11243.00000000 NS USD 9814014.70000000 0.545970766002 Long EC CORP US N 1 N N N General Electric Co 3C7474T6CDKPR9K6YT90 369604301 65205.00000000 NS USD 18503222.85000000 1.029366580521 Long EC CORP US N 1 N N N Goldman Sachs Group Inc/The 784F5XWPLTWKTBV3E584 38141G104 5219.00000000 NS USD 4415221.81000000 0.245626495105 Long EC CORP US N 1 N N N Illumina Inc SQ95QG8SR5Q56LSNF682 452327109 37875.00000000 NS USD 4668472.50000000 0.259715272984 Long EC CORP US N 1 N N N Intuitive Surgical Inc 54930052SRG011710797 46120E602 50933.00000000 NS USD 23479603.67000000 1.306211330735 Long EC CORP US N 1 N N N Eli Lilly & Co FRDRIPF3EKNDJ2CQJL29 532457108 32316.00000000 NS USD 29723287.32000000 1.653558349184 Long EC CORP US N 1 N N N Marsh & McLennan Cos Inc 549300XMP3KDCKJXIU47 571748102 17553.00000000 NS USD 3044567.85000000 0.169374623130 Long EC CORP US N 1 N N N Mastercard Inc AR5L2ODV9HN37376R084 57636Q104 43991.00000000 NS USD 21980543.06000000 1.222815972714 Long EC CORP US N 1 N N N Medline Inc 984500FAN6J1P8566D43 58507V107 24980.00000000 NS USD 1111610.00000000 0.061840804374 Long EC CORP US N 1 N N N Microsoft Corp INR2EJN1ERAN0W5ZP974 594918104 354763.00000000 NS USD 131322619.71000000 7.305706529713 Long EC CORP US N 1 N N N Mondelez International Inc 549300DV9GIB88LZ5P30 609207105 31527.00000000 NS USD 1817216.28000000 0.101094913214 Long EC CORP US N 1 N N N Monolithic Power Systems Inc 529900TB7O85LSZ1XU31 609839105 5949.00000000 NS USD 6504339.15000000 0.361847738832 Long EC CORP US N 1 N N N Monster Beverage Corp 52990090AP0E7HCB6F33 61174X109 329904.00000000 NS USD 23904843.84000000 1.329868183556 Long EC CORP US N 1 N N N Moody's Corp 549300GCEDD8YCF5WU84 615369105 6753.00000000 NS USD 2945996.25000000 0.163890912987 Long EC CORP US N 1 N N N Morgan Stanley IGJSJL3JD5P30I6NJZ34 617446448 28283.00000000 NS USD 4654533.31000000 0.258939811517 Long EC CORP US N 1 N N N Netflix Inc 549300Y7VHGU0I7CE873 64110L106 745577.00000000 NS USD 71687228.55000000 3.988085638798 Long EC CORP US N 1 N N N NIKE Inc 787RXPR0UX0O0XUXPZ81 654106103 104375.00000000 NS USD 5513087.50000000 0.306702679527 Long EC CORP US N 1 N N N Novartis AG 5493007HIVTX6SY6XD66 66987V109 72929.00000000 NS USD 11139904.75000000 0.619732343538 Long EC CORP CH N 1 N N Novo Nordisk A/S 549300DAQ1CVT6CXN342 670100205 232849.00000000 NS USD 8557200.75000000 0.476052012466 Long EC CORP DK N 1 N N N NVIDIA Corp 549300S4KLFTLO7GSQ80 67066G104 1409279.00000000 NS USD 245778257.60000000 13.67307342310 Long EC CORP US N 1 N N N Old Dominion Freight Line Inc 5299009TWK32WE417T96 679580100 13847.00000000 NS USD 2705703.80000000 0.150523024615 Long EC CORP US N 1 N N N Oracle Corp 1Z4GXXU7ZHVWFCD8TV52 68389X105 277776.00000000 NS USD 40863627.36000000 2.273314908665 Long EC CORP US N 1 N N N Palantir Technologies Inc 549300UVN46B3BBDHO85 69608A108 19549.00000000 NS USD 2859627.72000000 0.159086080925 Long EC CORP US N 1 N N N PayPal Holdings Inc 5493005X2GO78EFZ3E94 70450Y103 84062.00000000 NS USD 3802124.26000000 0.211518808369 Long EC CORP US N 1 N N N Procter & Gamble Co/The 2572IBTT8CCZW6AU4141 742718109 17502.00000000 NS USD 2527988.88000000 0.140636433452 Long EC CORP US N 1 N N N QUALCOMM Inc H1J8DDZKZP6H7RWC0H53 747525103 53683.00000000 NS USD 6913296.74000000 0.384598763311 Long EC CORP US N 1 N N N Regeneron Pharmaceuticals Inc 549300RCBFWIRX3HYQ56 75886F107 25046.00000000 NS USD 19351541.44000000 1.076560024239 Long EC CORP US N 1 N N N T. Rowe Price Government Reserve Fund 5493007QR86JJLYO6D96 76105Y109 2.72000000 NS USD 2.72000000 0.000000151318 Long STIV RF US N 1 N N N T. Rowe Price Government Reserve Fund 5493007QR86JJLYO6D96 76105Y109 93.39000000 NS USD 93.39000000 0.000005195448 Long STIV RF US N 1 N N N T. Rowe Price Government Reserve Fund 5493007QR86JJLYO6D96 76105Y109 3.72000000 NS USD 3.72000000 0.000000206950 Long STIV RF US N 1 N N N Roche Holding AG 549300U41AUUVOAAOB37 771195104 165888.00000000 NS USD 8246292.48000000 0.458755642783 Long EC CORP CH N 2 N N Roper Technologies Inc 54930003T4SXCIWVXY35 776696106 8811.00000000 NS USD 3117860.46000000 0.173452018941 Long EC CORP US N 1 N N N Ross Stores Inc 549300ENZFLPGRDFZQ60 778296103 27515.00000000 NS USD 5960574.45000000 0.331597159547 Long EC CORP US N 1 N N N SEI Investments Co 5LJTIFADGZ6XH1RVOC11 784117103 109442.00000000 NS USD 8587913.74000000 0.477760629703 Long EC CORP US N 1 N N N Salesforce Inc RCGZFPDMRW58VJ54VR07 79466L302 73829.00000000 NS USD 13781659.43000000 0.766697766998 Long EC CORP US N 1 N N N Charles Schwab Corp/The 549300VSGCJ7E698NM85 808513105 33656.00000000 NS USD 3162990.88000000 0.175962702971 Long EC CORP US N 1 N N N Sea Ltd 529900OM6JLLW44YKI15 81141R100 47857.00000000 NS USD 3963038.17000000 0.220470730023 Long EC CORP KY N 1 N N N ServiceNow Inc 549300HJTQM36M0E1G39 81762P102 106196.00000000 NS USD 11102791.80000000 0.617667685357 Long EC CORP US N 1 N N N Sherwin-Williams Co/The Z15BMIOX8DDH0X2OBP21 824348106 11432.00000000 NS USD 3664527.60000000 0.203864066028 Long EC CORP US N 1 N N N Shopify Inc 549300HGQ43STJLLP808 82509L107 246010.00000000 NS USD 29181706.20000000 1.623429246266 Long EC CORP CA N 1 N N N Block Inc 549300OHIIUWSTIZME52 852234103 92695.00000000 NS USD 5578385.10000000 0.310335298978 Long EC CORP US N 1 N N N Starbucks Corp OQSJ1DU9TAOC51A47K68 855244109 122990.00000000 NS USD 11018674.10000000 0.612988070896 Long EC CORP US N 1 N N N Fixed Income Clearing Corp. 549300H47WTHXPU08X20 000000000 22739894.46000000 PA USD 22739894.46000000 1.265060016380 Long RA CORP US N 2 Repurchase N 2.00000000 2026-04-01 22959700.00000000 USD 23194692.35000000 USD UST N N N Stryker Corp 5493002F0SC4JTBU5137 863667101 13641.00000000 NS USD 4482296.19000000 0.249357959928 Long EC CORP US N 1 N N N Synopsys Inc QG7T915N9S0NY5UKNE63 871607107 11979.00000000 NS USD 4749433.92000000 0.264219298079 Long EC CORP US N 1 N N N TJX Cos Inc/The V167QI9I69W364E2DY52 872540109 34980.00000000 NS USD 5586306.00000000 0.310775952469 Long EC CORP US N 1 N N N T-Mobile US Inc 549300QHIJYOHPACPG31 872590104 47791.00000000 NS USD 10037543.73000000 0.558406076062 Long EC CORP US N 1 N N N Taiwan Semiconductor Manufacturing Co Ltd 549300KB6NK5SBD14S87 874039100 22201.00000000 NS USD 7502827.95000000 0.417395413422 Long EC CORP TW N 1 N N N Tesla Inc 54930043XZGB27CTOV49 88160R101 224280.00000000 NS USD 83376090.00000000 4.638357401642 Long EC CORP US N 1 N N N Texas Instruments Inc WDJNR2L6D8RWOEB8T652 882508104 15261.00000000 NS USD 2962770.54000000 0.164824096015 Long EC CORP US N 1 N N N Thermo Fisher Scientific Inc HCHV7422L5HDJZCRFL38 883556102 30523.00000000 NS USD 15002970.19000000 0.834641416111 Long EC CORP US N 1 N N N TransDigm Group Inc N/A 893641100 2107.00000000 NS USD 2441928.72000000 0.135848756552 Long EC CORP US N 1 N N N UnitedHealth Group Inc 549300GHBMY8T5GXDE41 91324P102 22774.00000000 NS USD 6162416.66000000 0.342825993962 Long EC CORP US N 1 N N N Vertex Pharmaceuticals Inc 54930015RAQRRZ5ZGJ91 92532F100 52931.00000000 NS USD 23635808.74000000 1.314901291401 Long EC CORP US N 1 N N N Visa Inc 549300JZ4OKEHW3DPJ59 92826C839 214780.00000000 NS USD 64915107.20000000 3.611340708823 Long EC CORP US N 1 N N N Workday Inc 549300J0DYC0N31V7G13 98138H101 25617.00000000 NS USD 3328160.64000000 0.185151384988 Long EC CORP US N 1 N N N Yum! Brands Inc 549300JE8XHZZ7OHN517 988498101 50480.00000000 NS USD 7848630.40000000 0.436633007239 Long EC CORP US N 1 N N N Yum China Holdings Inc 529900DO9BYZ7VA3K502 98850P109 46056.00000000 NS USD 2246611.68000000 0.124982928733 Long EC CORP US N 1 N N N Adyen NV 724500973ODKK3IFQ447 000000000 1166.00000000 NS 1166756.57000000 0.064908704310 Long EC CORP NL Y 2 N N N Linde PLC 5299003QR1WT0EF88V51 000000000 7854.00000000 NS USD 3893699.04000000 0.216613273205 Long EC CORP IE N 1 N N N TE Connectivity PLC 6367003TB6K484NFHE54 000000000 23440.00000000 NS USD 4899428.80000000 0.272563775037 Long EC CORP IE N 1 N N N Chubb Ltd E0JAN6VLUDI1HITHT809 000000000 32554.00000000 NS USD 10610325.22000000 0.590270910017 Long EC CORP CH N 1 N N N ASML Holding NV 724500Y6DUVHQD6OXN27 000000000 8692.00000000 NS USD 11480654.36000000 0.638688839047 Long EC CORP NL N 1 N N N 2026-04-17 MASSMUTUAL SELECT FUNDS Renee Hitchcock Renee Hitchcock CFO and Treasurer