8 institutions reported holding $35.8M of Rush Street Interactive Inc (RSI) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($33.9M), Westmount Partners, LLC ($1.0M), City Center Advisors, LLC ($413,832), Dynamic Advisor Solutions LLC ($368,360), CoreCap Advisors, LLC ($53,532). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $33.9M | 1.1M | Added |
| 2 | Westmount Partners, LLC | $1.0M | 35,100 | Hold |
| 3 | City Center Advisors, LLC | $413,832 | 13,915 | New |
| 4 | Dynamic Advisor Solutions LLC | $368,360 | 12,386 | Added |
| 5 | CoreCap Advisors, LLC | $53,532 | 1,800 | New |
| 6 | GAMMA Investing LLC | $26,439 | 889 | Added |
| 7 | Versant Capital Management, Inc | $9,666 | 325 | Hold |
| 8 | MassMutual Private Wealth & Trust, FSB | $7,346 | 247 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30