# Portfolio overlap — PRJIX vs MMGEX Comparing **T. Rowe Price New Horizons Fund, Inc.** (2026-03-31) and **MassMutual Small Cap Growth Equity Fund** (2026-03-31). - Shared positions: 98 - T. Rowe Price New Horizons Fund, Inc. covered by MassMutual Small Cap Growth Equity Fund: 0.2619870740021937190690528090 - MassMutual Small Cap Growth Equity Fund covered by T. Rowe Price New Horizons Fund, Inc.: 0.2619870740021937190690528090 ## T. Rowe Price New Horizons Fund, Inc. — top positions | Security | Weight | Shared | |----------|--------|--------| | T Rowe Price Government Reserve Investment Fund | 0.054604 | | | SITEONE LANDSCAPE SUPPLY INC | 0.017517 | | | LATTICE SEMICONDUCTOR CORP | 0.016691 | ✓ | | DUTCH BROS INC-A | 0.014618 | ✓ | | NATERA INC | 0.014244 | | | TELEDYNE TECHNOLOGIES INC | 0.013831 | | | TECHNIPFMC PLC | 0.013188 | ✓ | | FABRINET | 0.013065 | ✓ | | KYMERA THERAPEUTICS INC | 0.012645 | ✓ | | ARGENX SE SPONSORED ADR | 0.012316 | | | URANIUM ENERGY CORP | 0.011873 | | | MODINE MFG CO | 0.011739 | ✓ | | REPLIGEN CORP | 0.011048 | ✓ | | GUARDANT HEALTH INC | 0.010926 | ✓ | | RBC BEARINGS INC | 0.010858 | | | PERMIAN RESOURCES CORP CL A | 0.010606 | | | INSTALLED BUILDING PRODUCTS INC | 0.009981 | | | MADISON SQUARE GARDEN SPORTS CORP | 0.009008 | | | TREASURY RESERVE FUND - Collateral | 0.008641 | | | SITIME CORP | 0.007533 | ✓ | | INSMED INC | 0.007525 | ✓ | | FIRSTCASH HOLDINGS INC | 0.007434 | | | HUBBELL INC | 0.007413 | | | OLD DOMINION FRT | 0.007312 | | | VIAVI SOLUTIONS INC | 0.007243 | ✓ | | API GROUP CORP | 0.007157 | | | SCHOLAR ROCK HOLDING CORP | 0.007143 | ✓ | | VSE CORP | 0.007017 | ✓ | | WEATHERFORD INTERNATIONAL PLC | 0.007010 | | | BRIGHTSPRING HEALTH SERVICES INC | 0.006986 | ✓ | | ENSIGN GROUP INC | 0.006969 | ✓ | | APPLIED OPTOELECTRONICS INC | 0.006822 | | | INGERSOLL RAND INC | 0.006651 | | | DATABRICKS SER F CVT PFD STCK PP | 0.006455 | | | DIGITALOCEAN HOLDINGS INC | 0.006347 | ✓ | | ATMUS FILTRATION TECHNOLOGIES INC | 0.006344 | ✓ | | ROCKET COS INC-A | 0.006188 | | | ZURN ELKAY WATER SOLUTIONS CORP | 0.006129 | ✓ | | ESAB CORP | 0.006047 | | | BIO-TECHNE CORP | 0.005713 | | | BLOOM ENERGY CORP CL A | 0.005591 | ✓ | | WATTS WATER TECH INC CL A | 0.005546 | | | ENTEGRIS INC | 0.005482 | | | LEONARDO DRS INC | 0.005467 | ✓ | | CF INDUSTRIES HOLDINGS INC | 0.005386 | | | AXSOME THERAPEUTICS INC | 0.005376 | ✓ | | Ascendis Pharma A/S | 0.005303 | | | NEXTRACKER INC CL A | 0.005258 | ✓ | | CAVA GROUP INC | 0.005245 | | | TORO CO | 0.005128 | | ## MassMutual Small Cap Growth Equity Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | FIXED INC CLEARING CORP.REPO | 0.029365 | | | MODINE MFG CO | 0.017760 | ✓ | | CURTISS WRIGHT CORPORATION | 0.015938 | ✓ | | ADV ENERGY INDS | 0.015361 | ✓ | | FABRINET | 0.013593 | ✓ | | MKS INSTRUMENTS INC | 0.012112 | ✓ | | State Street Navigator Securities Lending Government Money Market Portfolio | 0.011498 | | | CHORD ENERGY CORP | 0.011023 | | | ALIGNMENT HEALTHCARE INC | 0.010840 | ✓ | | ESCO TECHNOLOGIES INC | 0.010789 | | | FIVE BELOW INC | 0.010623 | ✓ | | TOWER SEMICONDCT | 0.010537 | ✓ | | MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 0.010149 | ✓ | | PROTAGONIST THERAPEUTICS INC | 0.010048 | | | TECHNIPFMC PLC | 0.009805 | ✓ | | SITIME CORP | 0.009605 | ✓ | | AMERICAN HEALTHCARE REIT INC | 0.009479 | ✓ | | AXSOME THERAPEUTICS INC | 0.009447 | ✓ | | BRIGHTSPRING HEALTH SERVICES INC | 0.009324 | ✓ | | TTM TECHNOLOGIES INC | 0.008927 | | | BLOOM ENERGY CORP CL A | 0.008658 | ✓ | | SEACOAST BANKING CORP FLORIDA | 0.008379 | | | BRIDGEBIO PHARMA INC | 0.008187 | ✓ | | STERLING INFRASTRUCTURE INC | 0.008163 | ✓ | | CARPENTER TECHNOLOGY CORP | 0.008102 | | | HA SUSTAINABLE INFRASTRUCTURE CAPITAL INC | 0.008099 | | | PHILLIPS EDISON and CO INC | 0.008038 | | | AMERIS BANCORP | 0.007971 | | | NEXTRACKER INC CL A | 0.007871 | ✓ | | VIPER ENERGY INC A | 0.007540 | ✓ | | DXP ENTERPRISES INC | 0.007430 | | | BOOT BARN HOLDINGS INC | 0.007379 | ✓ | | GUARDANT HEALTH INC | 0.007325 | ✓ | | NOVA LTD | 0.007241 | | | SPX TECHNOLOGIES INC | 0.007064 | ✓ | | SKYLINE CHAMPION CORP | 0.006949 | | | LATTICE SEMICONDUCTOR CORP | 0.006854 | ✓ | | VIAVI SOLUTIONS INC | 0.006736 | ✓ | | RUSH ENTERPRISES INC CL A | 0.006512 | ✓ | | KARMAN HOLDINGS INC | 0.006259 | ✓ | | CARGURUS INC CL A | 0.006236 | | | ZURN ELKAY WATER SOLUTIONS CORP | 0.006233 | ✓ | | ATI INC | 0.005902 | | | Empresa Brasileira de Aeronautica S.A. (ADR) | 0.005817 | | | CREDO TECHNOLOGY GROUP HOLDING LTD | 0.005775 | | | CABOT CORP | 0.005756 | | | PRIMORIS SVCS CORP | 0.005656 | ✓ | | PATRICK INDUSTRIES INC | 0.005585 | ✓ | | WISDOMTREE INVESTMENTS INC | 0.005346 | | | COGENT BIOSCIENCES INC | 0.005280 | ✓ | ## Sources - N-PORT (fund A) — accession `0001099263-26-006557` (as of 2026-03-31) - N-PORT (fund B) — accession `0001410368-26-053578` (as of 2026-03-31) --- _Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._ _Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._ _Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See _