RUM Group Inc
221 hedge funds and large institutions have $340M invested in RUM Group Inc in 2025 Q3 according to their latest regulatory filings, with 37 funds opening new positions, 68 increasing their positions, 46 reducing their positions, and 26 closing their positions.
48% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 46
42% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 26
11% more call options, than puts
Call options by funds: $29.3M | Put options by funds: $26.3M
4% more funds holding
Funds holding: 212 → 221 (+9)
1.25% more ownership
Funds ownership: 20.55% → 21.81% (+1.3%)
12% less capital invested
Capital invested by funds: $387M → $340M (-$47.4M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$11M |
| 2 |
State Street
Boston,
Massachusetts
|
+$6.88M |
| 3 |
Morgan Stanley
New York
|
+$3.62M |
| 4 |
Jane Street
New York
|
+$3.12M |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$3.02M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$7.7M |
| 2 |
Millennium Management
New York
|
-$7.51M |
| 3 |
Two Sigma Investments
New York
|
-$3.48M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
-$2.74M |
| 5 |
Renaissance Technologies
New York
|
-$1.27M |
RUM Hedge Fund Activity: Q3 2025 in Review
221 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in RUM Group Inc (RUM) for Q3 2025, worth a combined $340M — down 12% from $387M a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new RUM positions and 26 closed out — a net gain of 11 holders — while 68 added to existing stakes and 46 trimmed.
The largest buyer was BlackRock, adding an estimated $11M. The largest seller was Susquehanna International Group, cutting an estimated $7.7M.
- 221 institutional investors held RUM Group Inc (RUM) as of Q3 2025, up from 212 in Q2 2025.
- Funds reported $340M of RUM Group Inc stock for Q3 2025, down 12% quarter-over-quarter.
- 37 funds opened new RUM Group Inc positions in Q3 2025 and 26 closed out, a net change of +11 holders.
- The largest RUM Group Inc buyer in Q3 2025 was BlackRock, an estimated $11M added.
- The largest RUM Group Inc seller in Q3 2025 was Susquehanna International Group, an estimated $7.7M sold.
Based on aggregated 13F filings for Q3 2025.