Rush Street Interactive
267 hedge funds and large institutions have $2.23B invested in Rush Street Interactive in 2026 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 111 increasing their positions, 74 reducing their positions, and 25 closing their positions.
245% more call options, than puts
Call options by funds: $38.2M | Put options by funds: $11.1M
120% more first-time investments, than exits
New positions opened: 55 | Existing positions closed: 25
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
50% more repeat investments, than reductions
Existing positions increased: 111 | Existing positions reduced: 74
20% more capital invested
Capital invested by funds: $1.85B → $2.23B (+$379M)
11% more funds holding
Funds holding: 240 → 267 (+27)
2.43% more ownership
Funds ownership: 97.31% → 99.74% (+2.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
+$69.4M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$53M |
| 3 |
Two Sigma Investments
New York
|
+$25.8M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$24.3M |
| 5 |
1832 Asset Management
Toronto,
Ontario, Canada
|
+$24.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$24.4M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$17.4M |
| 3 |
Millennium Management
New York
|
-$14.1M |
| 4 |
Goldman Sachs
New York
|
-$13.2M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$11M |
RSI Hedge Fund Activity: Q1 2026 in Review
267 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Rush Street Interactive (RSI) for Q1 2026, worth a combined $2.23B — up 20% from $1.85B a quarter earlier.
Buyers outnumbered sellers: 55 funds opened new RSI positions and 25 closed out — a net gain of 30 holders — while 111 added to existing stakes and 74 trimmed.
The largest buyer was Divisadero Street Capital Management, adding an estimated $69.4M. The largest seller was Driehaus Capital Management, cutting an estimated $24.4M.
- 267 institutional investors held Rush Street Interactive (RSI) as of Q1 2026, up from 240 in Q4 2025.
- Funds reported $2.23B of Rush Street Interactive stock for Q1 2026, up 20% quarter-over-quarter.
- 55 funds opened new Rush Street Interactive positions in Q1 2026 and 25 closed out, a net change of +30 holders.
- The largest Rush Street Interactive buyer in Q1 2026 was Divisadero Street Capital Management, an estimated $69.4M added.
- The largest Rush Street Interactive seller in Q1 2026 was Driehaus Capital Management, an estimated $24.4M sold.
Based on aggregated 13F filings for Q1 2026.