Who owns StepStone Group Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of STEP from SEC Form 13F filings across 273 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 273 institutions disclosed 79.9M shares of StepStone Group Inc. worth $3.30B — about 97.4% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
273
13F holders
$3.30B
value, 2026 filers
97.4%
of shares outstanding (79.9M sh)
54
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of STEP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 12.0M | $495.2M | 0.0% | 14.6% | +1.2% |
| 2 | MILLENNIUM MANAGEMENT LLC | 5.6M | $232.4M | 0.1% | 6.9% | -21.7% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 5.2M | $214.7M | 0.0% | 6.3% | -1.0% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | 5.2M | $213.7M | 0.0% | 6.3% | +6.0% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.7M | $193.3M | 0.0% | 5.7% | +4.2% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 3.6M | $146.8M | 0.0% | 4.3% | +0.7% |
| 7 | STATE STREET CORP | 3.1M | $129.0M | 0.0% | 3.8% | +8.6% |
| 8 | Capital World Investors | 2.5M | $104.4M | 0.0% | 3.1% | -22.8% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $83.4M | 0.0% | 2.5% | +3.3% |
| 10 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.9M | $79.8M | 0.2% | 2.4% | +0.8% |
| 11 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1.7M | $71.5M | 0.2% | 2.1% | +46.8% |
| 12 | JPMORGAN CHASE & CO | 1.5M | $61.4M | 0.0% | 1.9% | +2.8% |
| 13 | GOLDMAN SACHS GROUP INC | 1.4M | $59.1M | 0.0% | 1.7% | +144.8% |
| 14 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.4M | $57.5M | 0.1% | 1.7% | +5.1% |
| 15 | SAMLYN CAPITAL, LLC | 1.3M | $52.5M | 0.9% | 1.5% | +41.7% |
| 16 | Capital Research Global Investors | 1.2M | $51.0M | 0.0% | 1.5% | +55.0% |
| 17 | Balyasny Asset Management L.P. | 1.1M | $46.0M | 0.1% | 1.4% | -21.9% |
| 18 | MORGAN STANLEY | 1.1M | $44.8M | 0.0% | 1.3% | +45.2% |
| 19 | Junto Capital Management LP | 1.1M | $44.6M | 0.8% | 1.3% | +26.1% |
| 20 | Point72 Asset Management, L.P. | 1.0M | $41.6M | 0.0% | 1.2% | +437.1% |
| 21 | WASATCH ADVISORS LP | 905,245 | $37.4M | 0.2% | 1.1% | -1.8% |
| 22 | BAMCO INC /NY/ | 828,911 | $34.3M | 0.1% | 1% | -0.2% |
| 23 | NORTHERN TRUST CORP | 802,242 | $33.2M | 0.0% | 1% | +10.3% |
| 24 | RAYMOND JAMES FINANCIAL INC | 735,937 | $30.4M | 0.0% | 0.9% | +0.3% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 689,492 | $28.5M | 0.0% | 0.8% | +6.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.