6 institutions reported holding $34,122 of StepStone Group Inc (STEP) in SEC 13F filings for 2026-06-30. Largest institutional holders: GAMMA Investing LLC ($29,448), MassMutual Private Wealth & Trust, FSB ($2,606), HARBOR INVESTMENT ADVISORY, LLC ($2,068), Versant Capital Management, Inc ($0), CONGRESS ASSET MANAGEMENT CO ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GAMMA Investing LLC | $29,448 | 712 | Trimmed |
| 2 | MassMutual Private Wealth & Trust, FSB | $2,606 | 63 | Trimmed |
| 3 | HARBOR INVESTMENT ADVISORY, LLC | $2,068 | 50 | New |
| 4 | Versant Capital Management, Inc | $0 | 0 | Exited |
| 5 | CONGRESS ASSET MANAGEMENT CO | $0 | 0 | Exited |
| 6 | MOODY NATIONAL BANK TRUST DIVISION | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30