Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RSI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.3M | $181.1M | -6.4% | 7.793% | 0.00% |
| 2 | Divisadero Street Capital Management, LP | 6.4M | $139.8M | +45.7% | 6.014% | 6.54% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.4M | $95.4M | — | 4.104% | 0.01% |
| 4 | AMERIPRISE FINANCIAL INC | 4.3M | $94.6M | +20.7% | 4.070% | 0.02% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 4.3M | $93.9M | — | 4.040% | 0.00% |
| 6 | MARSHALL WACE, LLP | 4.2M | $92.4M | +187.2% | 3.976% | 0.10% |
| 7 | Hood River Capital Management LLC | 3.7M | $79.4M | +3.4% | 3.417% | 0.80% |
| 8 | ALLIANCEBERNSTEIN L.P. | 3.9M | $75.5M | -11.9% | 3.636% | 0.02% |
| 9 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.8M | $60.1M | +84.7% | 2.587% | 0.03% |
| 10 | FULLER & THALER ASSET MANAGEMENT, INC. | 2.7M | $58.9M | +7.6% | 2.535% | 0.20% |
| 11 | DRIEHAUS CAPITAL MANAGEMENT LLC | 2.6M | $56.9M | -32.7% | 2.448% | 0.42% |
| 12 | TWO SIGMA INVESTMENTS, LP | 2.6M | $55.8M | +110.6% | 2.400% | 0.05% |
| 13 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.3M | $50.7M | -8.9% | 2.182% | 0.17% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 2.3M | $49.7M | +15.8% | 2.138% | 0.08% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 2.3M | $49.3M | +1.4% | 2.121% | 0.00% |
| 16 | MORGAN STANLEY | 2.2M | $48.3M | +23.9% | 2.079% | 0.00% |
| 17 | STATE STREET CORP | 2.0M | $43.9M | +3.8% | 1.891% | 0.00% |
| 18 | Nuveen, LLC | 1.8M | $40.2M | -14.8% | 1.730% | 0.01% |
| 19 | 1832 Asset Management L.P. | 1.7M | $36.1M | +318.9% | 1.552% | 0.05% |
| 20 | EMERALD ADVISERS, LLC | 1.6M | $34.2M | -2.0% | 1.473% | 1.08% |
| 21 | OBERWEIS ASSET MANAGEMENT INC/ | 1.4M | $31.2M | +1.6% | 1.343% | 0.92% |
| 22 | D. E. Shaw & Co., Inc. | 1.4M | $30.2M | -6.6% | 1.299% | 0.03% |
| 23 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.3M | $28.7M | +78.5% | 1.234% | 0.11% |
| 24 | NORTHERN TRUST CORP | 1.0M | $21.9M | +2.3% | 0.943% | 0.00% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 984K | $21.4M | +32.3% | 0.921% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in RSI — a direct measure of their conviction.
Filings activity in RSI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 262 | +11% | 68.85% | +9.54 pp | $2.18B | +16% |
| Q4 2025 | 236 | +0.9% | 59.31% | +0.35 pp | $1.88B | +0.6% |
| Q3 2025 | 234 | +11% | 58.96% | +20.58 pp | $1.86B | +54% |
| Q2 2025 | 210 | +4.0% | 38.38% | +10.08 pp | $1.21B | +36% |
| Q1 2025 | 202 | 1.9% | 28.30% | 3.19 pp | $895M | 10% |
| Q4 2024 | 206 | +13% | 31.49% | +10.06 pp | $996M | +47% |
| Q3 2024 | 183 | +15% | 21.43% | +2.90 pp | $678M | +16% |
| Q2 2024 | 159 | — | 18.53% | — | $586M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RSI stock.
Based on Q1 2026 13F filings, institutional ownership of Rush Street Interactive, Inc. stands at 68.8%, held across 262 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of RSI, with approximately 8,327,068 shares worth $0.18B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of RSI, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for RSI is 73 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
58 institutions opened new positions in RSI during Q1 2026, while 32 fully exited. 152 added to existing positions and 49 trimmed.
RSI institutional ownership rose by 9.54 percentage points quarter-over-quarter, with a net change of +26 holders.
The top 10 institutions account for 44.6% of all reported 13F value in RSI, and the top 25 account for 72.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Rush Street Interactive, Inc. (RSI) Institutional Ownership