Quantumsphere Acquisition Corp. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 02/09/2026 | 718.09 K | $7.13 M | 100.00% | 8.67% |
| WOLVERINE ASSET MANAGEMENT LLC | 02/02/2026 | 575.22 K | $5.76 M | 100.00% | 6.95% |
| KARPUS MANAGEMENT, INC. | 02/17/2026 | 494.35 K | $4.95 M | 100.00% | 5.97% |
| SHAOLIN CAPITAL MANAGEMENT LLC | 02/17/2026 | 480.00 K | $4.80 M | 100.00% | 5.80% |
| CLEAR STREET GROUP INC. | 02/13/2026 | 424.76 K | $4.25 M | 30,261.83% | 5.13% |
| GLAZER CAPITAL, LLC | 02/13/2026 | 424.15 K | $4.25 M | 100.00% | 5.12% |
| D. E. SHAW & CO., INC. | 02/17/2026 | 409.86 K | $4.10 M | 100.00% | 4.95% |
| LINDEN ADVISORS LP | 02/17/2026 | 400.00 K | $4.00 M | 100.00% | 4.83% |
| AQR ARBITRAGE LLC | 02/17/2026 | 322.66 K | $3.23 M | 100.00% | 3.90% |
| BERKLEY W R CORP | 02/13/2026 | 303.58 K | $3.04 M | 100.00% | 3.67% |
| HGC INVESTMENT MANAGEMENT INC. | 02/17/2026 | 300.00 K | $3.00 M | 100.00% | 3.62% |
| WESTCHESTER CAPITAL MANAGEMENT, LLC | 02/13/2026 | 250.00 K | $2.50 M | 100.00% | 3.02% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 02/13/2026 | 235.00 K | $2.35 M | 0.00% | 2.84% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 217.48 K | $2.18 M | 100.00% | 2.63% |
| TORONTO DOMINION BANK | 02/17/2026 | 175.78 K | $1.76 M | 100.00% | 2.12% |
| CABLE CAR CAPITAL LLC | 02/17/2026 | 174.80 K | $1.75 M | 100.00% | 2.11% |
| HEIGHTS CAPITAL MANAGEMENT, INC | 02/17/2026 | 150.00 K | $1.50 M | 100.00% | 1.81% |
| RADCLIFFE CAPITAL MANAGEMENT, L.P. | 02/17/2026 | 150.00 K | $1.50 M | 100.00% | 1.81% |
| PERISCOPE CAPITAL INC. | 02/10/2026 | 125.00 K | $1.25 M | 100.00% | 1.51% |
| BNP PARIBAS ARBITRAGE, SNC | 02/10/2026 | 102.34 K | $1.02 M | 100.00% | 1.24% |
| SCHONFELD STRATEGIC ADVISORS LLC | 02/17/2026 | 55.00 K | $550.55 K | 100.00% | 0.66% |
| WARBERG ASSET MANAGEMENT LLC | 02/13/2026 | 41.42 K | $414.62 K | 100.00% | 0.50% |
| VIRTU FINANCIAL LLC | 02/23/2026 | 24.78 K | $248.00 K | 65.95% | 0.30% |
| LOGAN STONE CAPITAL, LLC | 02/17/2026 | 14.50 K | $145.15 K | 100.00% | 0.18% |
| MORGAN STANLEY | 02/13/2026 | 30 | $300 | 100.00% | 0.00% |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 02/11/2026 | 0 | $0 | -100.00% | 0.00% |
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Quantumsphere Acquisition Corp. institutional Ownership - FAQ's
During the previous two years, 25 institutional investors and hedge funds held shares of Quantumsphere Acquisition Corp.. The most heavily invested institutionals were:
MIZUHO SECURITIES USA LLC: 718,086
Karpus Management, Inc.: 494,350
Shaolin Capital Management LLC: 480,000
Clear Street Group Inc.: 424,762
GLAZER CAPITAL, LLC: 424,153
D. E. Shaw & Co., Inc.: 409,860
79.33% of Quantumsphere Acquisition Corp. stock is owned by institutional investors.
Institutional investors have bought a total of 5.99 M shares in the last 24 months. This purchase volume represents approximately $60.42 M in transactions.