Quantumsphere Acquisition
QUMS · NASDAQ
$10.38+$0.01 (+0.10%)TodayMarket closed ·
Prev close $10.37
Who owns QUMS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 69.0% of QUMS’s shares.
- Whiteowl Holdings LLC27.4%
- Berkley Dean & Company, Inc.7.7%
- Mizuho Securities USA, LLC.6.6%
- Wolverine Asset Management, LLC5.3%
- Next 6 largest institutions22.0%
- All other shareholders31.0%
| Holder | Shares | % of shares |
|---|---|---|
| Whiteowl Holdings LLC | 3.13M | 27.40% |
| Berkley Dean & Company, Inc. | 881.40K | 7.72% |
| Mizuho Securities USA, LLC. | 757.02K | 6.63% |
| Wolverine Asset Management, LLC | 602.98K | 5.28% |
| Karpus Investment Management | 469.88K | 4.12% |
| RiverNorth Capital Management LLC | 424.12K | 3.72% |
| D. E. Shaw & Co., L.P. | 409.86K | 3.59% |
| Shaolin Capital Management, LLC | 405.76K | 3.56% |
| Glazer Capital, LLC | 400.09K | 3.51% |
| Linden Advisors L.P. | 400.00K | 3.51% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Merger Fund | 206.08K | 1.81% |
| RiverNorth Opportunities Fund, Inc. | 100.00K | 0.88% |
| First Trust Alternative Opportunities Fund | 100.00K | 0.88% |
| JNL Multi-Manager Alternative Fund | 15.99K | 0.14% |
| Fidelity NASDAQ Composite Index Fund | 14.98K | 0.13% |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.45K
- Days to cover
- 1.00
- % of shares outstanding
- 0.01%
- Average daily volume
- 27.81K
- Change since last report
- −42.2%
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