StepStone Group Inc. (STEP) ownership: Top institutional holder: BlackRock, Inc. ($564.39M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 11827188.00 | $564.39M | 2026-03-31 |
| VANGUARD GROUP INC | 8449878.00 | $542.23M | 2025-12-31 |
| MILLENNIUM MANAGEMENT LLC | 7173424.00 | $342.32M | 2026-03-31 |
| Pitcairn Wealth Advisors LLC | 4040795.00 | $259.30M | 2026-03-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 5240073.00 | $250.06M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4484935.00 | $214.02M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3525956.00 | $168.26M | 2026-03-31 |
| Capital World Investors | 3271525.00 | $156.12M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.