StepStone Group Inc. (STEP) Institutional Ownership

Ownership Summary

StepStone Group Inc. (NASDAQ:STEP) has 254 institutional investors with active 13F positions as of December 2025.

• Collectively, these holders controlled 93.9% of StepStone's outstanding shares in December 2025, down from 97.6% in September 2025.
• Their total shares held in STEP increased 5.32% quarter over quarter, and separately, investors owning StepStone increased 0.4% from a year ago.
• During the quarter, 143 of these 254 funds increased positions in STEP, 73 reduced exposure, and 38 held steady.
• The aggregate institutional position in StepStone amounted to 74.6Mn shares as of December 2025, up by 3.77Mn shares quarter on quarter, and up 3.77Mn shares year over year.
• BlackRock, Inc. is the top holder of StepStone as of December 31, 2025, with 11.83Mn shares representing 14.88% of outstanding stock.
• The largest buyers of StepStone for the quarter ending December 2025 were PRICE T ROWE ASSOCIATES INC /MD/ (4.87Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.48Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.53Mn), MILLENNIUM MANAGEMENT LLC (2.72Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.24Mn).
• The biggest sellers of StepStone for the quarter ending December 2025 included Invesco Ltd. (3.51Mn), ALLIANCEBERNSTEIN L.P. (1.09Mn), WELLINGTON MANAGEMENT GROUP LLP (987.68K), Ameriprise Financial Inc (643.29K), VOYA INVESTMENT MANAGEMENT LLC (512.3K).
• According to Business Quant data, leading holders of STEP for December 2025 are BlackRock, Inc. (11.83Mn), MILLENNIUM MANAGEMENT LLC (7.17Mn), WELLINGTON MANAGEMENT GROUP LLP (5.24Mn), PRICE T ROWE ASSOCIATES INC /MD/ (4.87Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.48Mn), Pitcairn Wealth Advisors LLC (4.04Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.53Mn), Capital World Investors (3.27Mn), State Street Corp (2.87Mn), CITADEL ADVISORS LLC (1.96Mn).