Quantumsphere Acquisition Corp
QUMS
4 hedge funds and large institutions have $8.48M invested in Quantumsphere Acquisition Corp in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HCM
Highbridge Capital Management
New York
|
+$5.98M |
| 2 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
+$2.34M |
| 3 |
VF
Virtu Financial
New York
|
+$149K |
| 4 |
CS
Clear Street
New York
|
+$13.9K |
Top Sellers
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
HCM
1
Highbridge Capital Management
New York
| $5.98M | +$5.98M | +600,000 | New |
|
|
2
Hudson Bay Capital Management
Stamford,
Connecticut
| $2.34M | +$2.34M | +235,000 | New |
|
|
VF
3
Virtu Financial
New York
| $149K | +$149K | +14,934 | New |
|
|
CS
4
Clear Street
New York
| $13.9K | +$13.9K | +1,399 | New |
|
QUMS Hedge Fund Activity: Q3 2025 in Review
4 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Quantumsphere Acquisition Corp (QUMS) for Q3 2025, worth a combined $8.48M.
Buyers outnumbered sellers: 4 funds opened new QUMS positions and 0 closed out — a net gain of 4 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Highbridge Capital Management, opening a new position worth an estimated $5.98M.
- 4 institutional investors held Quantumsphere Acquisition Corp (QUMS) as of Q3 2025, up from 0 in Q2 2025.
- Funds reported $8.48M of Quantumsphere Acquisition Corp stock for Q3 2025.
- 4 funds opened new Quantumsphere Acquisition Corp positions in Q3 2025 and 0 closed out, a net change of +4 holders.
- The largest Quantumsphere Acquisition Corp buyer in Q3 2025 was Highbridge Capital Management, an estimated $5.98M added.
Based on aggregated 13F filings for Q3 2025.