Quantum Computing Inc
QUBT
259 hedge funds and large institutions have $1.66B invested in Quantum Computing Inc in 2025 Q3 according to their latest regulatory filings, with 79 funds opening new positions, 104 increasing their positions, 46 reducing their positions, and 39 closing their positions.
126% more repeat investments, than reductions
Existing positions increased: 104 | Existing positions reduced: 46
103% more first-time investments, than exits
New positions opened: 79 | Existing positions closed: 39
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
56% more capital invested
Capital invested by funds: $1.06B → $1.66B (+$597M)
16.86% more ownership
Funds ownership: 39.59% → 56.45% (+17%)
17% more funds holding
Funds holding: 222 → 259 (+37)
28% less call options, than puts
Call options by funds: $267M | Put options by funds: $370M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alyeska Investment Group
Chicago,
Illinois
|
+$115M |
| 2 |
GCM
Ghisallo Capital Management
Boston,
Massachusetts
|
+$69.1M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$68.5M |
| 4 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$64.6M |
| 5 |
BlackRock
New York
|
+$59.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$85.4M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$13M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$13M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$10.2M |
| 5 |
First Trust Advisors
Wheaton,
Illinois
|
-$9.27M |
QUBT Hedge Fund Activity: Q3 2025 in Review
259 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Quantum Computing Inc (QUBT) for Q3 2025, worth a combined $1.66B — up 56% from $1.06B a quarter earlier.
Buyers outnumbered sellers: 79 funds opened new QUBT positions and 39 closed out — a net gain of 40 holders — while 104 added to existing stakes and 46 trimmed.
The largest buyer was Alyeska Investment Group, opening a new position worth an estimated $115M. The largest seller was Jane Street, exiting entirely with an estimated $85.4M sold.
- 259 institutional investors held Quantum Computing Inc (QUBT) as of Q3 2025, up from 222 in Q2 2025.
- Funds reported $1.66B of Quantum Computing Inc stock for Q3 2025, up 56% quarter-over-quarter.
- 79 funds opened new Quantum Computing Inc positions in Q3 2025 and 39 closed out, a net change of +40 holders.
- The largest Quantum Computing Inc buyer in Q3 2025 was Alyeska Investment Group, an estimated $115M added.
- The largest Quantum Computing Inc seller in Q3 2025 was Jane Street, an estimated $85.4M sold.
Based on aggregated 13F filings for Q3 2025.