Quantumsphere Acquisition Corp Rights
QUMSR
25 hedge funds and large institutions have $1.18M invested in Quantumsphere Acquisition Corp Rights in 2026 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 3 increasing their positions, 6 reducing their positions, and 0 closing their positions.
4% more funds holding
Funds holding: 24 → 25 (+1)
28% less capital invested
Capital invested by funds: $1.63M → $1.18M (-$449K)
50% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 6
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCMNY
Westchester Capital Management (New York)
Valhalla,
New York
|
+$21K |
| 2 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
+$9.89K |
| 3 |
SCM
Shaolin Capital Management
Miami,
Florida
|
+$4.07K |
| 4 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
+$682 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HCM
Highbridge Capital Management
New York
|
-$80.5K |
| 2 |
HCM
Heights Capital Management
San Francisco,
California
|
-$6.56K |
| 3 |
WRBC
W.R. Berkley Corp
Greenwich,
Connecticut
|
-$2.31K |
| 4 |
WAM
Wolverine Asset Management
Chicago,
Illinois
|
-$559 |
| 5 |
CS
Clear Street
New York
|
-$420 |
QUMSR Hedge Fund Activity: Q2 2026 in Review
25 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Quantumsphere Acquisition Corp Rights (QUMSR) for Q2 2026, worth a combined $1.18M — down 28% from $1.63M a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new QUMSR positions and 0 closed out — a net gain of 1 holder — while 3 added to existing stakes and 6 trimmed.
The largest buyer was Westchester Capital Management (New York), opening a new position worth an estimated $21K. The largest seller was Highbridge Capital Management, cutting an estimated $80.5K.
- 25 institutional investors held Quantumsphere Acquisition Corp Rights (QUMSR) as of Q2 2026, up from 24 in Q1 2026.
- Funds reported $1.18M of Quantumsphere Acquisition Corp Rights stock for Q2 2026, down 28% quarter-over-quarter.
- 1 fund opened new Quantumsphere Acquisition Corp Rights positions in Q2 2026 and 0 closed out, a net change of +1 holder.
- The largest Quantumsphere Acquisition Corp Rights buyer in Q2 2026 was Westchester Capital Management (New York), an estimated $21K added.
- The largest Quantumsphere Acquisition Corp Rights seller in Q2 2026 was Highbridge Capital Management, an estimated $80.5K sold.
Based on aggregated 13F filings for Q2 2026.