Quantumsphere Acquisition Corp. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BERKLEY W R CORP | 08/14/2026 | 881.40 K | $9.01 M | 73.32% | 10.65% |
| MIZUHO SECURITIES USA LLC | 07/28/2026 | 757.02 K | $7.68 M | 3.42% | 9.14% |
| WOLVERINE ASSET MANAGEMENT LLC | 08/10/2026 | 602.98 K | $6.16 M | -0.17% | 7.28% |
| KARPUS MANAGEMENT, INC. | 08/14/2026 | 469.88 K | $4.80 M | -4.86% | 5.67% |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 08/14/2026 | 424.12 K | $4.37 M | -0.09% | 5.12% |
| D. E. SHAW & CO., INC. | 08/14/2026 | 409.86 K | $4.19 M | 0.00% | 4.95% |
| SHAOLIN CAPITAL MANAGEMENT LLC | 08/14/2026 | 405.76 K | $4.15 M | -15.47% | 4.90% |
| GLAZER CAPITAL, LLC | 08/17/2026 | 400.09 K | $4.09 M | -5.42% | 4.83% |
| LINDEN ADVISORS LP | 08/14/2026 | 400.00 K | $4.09 M | 0.00% | 4.83% |
| POLAR ASSET MANAGEMENT PARTNERS INC. | 08/14/2026 | 400.00 K | $4.09 M | 0.00% | 4.83% |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 08/14/2026 | 377.61 K | $3.87 M | 211.87% | 4.56% |
| WESTCHESTER CAPITAL MANAGEMENT, LLC | 08/14/2026 | 350.00 K | $3.58 M | 40.00% | 4.23% |
| AQR ARBITRAGE LLC | 08/14/2026 | 312.52 K | $3.19 M | 1.37% | 3.77% |
| RLH CAPITAL LLC | 08/10/2026 | 250.00 K | $2.56 M | 150.00% | 3.02% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 08/14/2026 | 235.00 K | $2.40 M | 0.00% | 2.84% |
| CABLE CAR CAPITAL LLC | 08/14/2026 | 174.80 K | $1.79 M | 0.00% | 2.11% |
| CLEAR STREET GROUP INC. | 08/12/2026 | 164.79 K | $1.68 M | -5.83% | 1.99% |
| HEIGHTS CAPITAL MANAGEMENT, INC | 08/14/2026 | 150.00 K | $1.53 M | 0.00% | 1.81% |
| RADCLIFFE CAPITAL MANAGEMENT, L.P. | 08/14/2026 | 150.00 K | $1.53 M | 0.00% | 1.81% |
| BNP PARIBAS ARBITRAGE, SNC | 08/13/2026 | 115.05 K | $1.18 M | 0.00% | 1.39% |
| CROSSINGBRIDGE ADVISORS, LLC | 08/13/2026 | 107.83 K | $1.10 M | 0.00% | 1.30% |
| TORONTO DOMINION BANK | 08/14/2026 | 100.00 K | $1.02 M | -62.35% | 1.21% |
| PERISCOPE CAPITAL INC. | 08/11/2026 | 75.00 K | $766.50 K | -25.00% | 0.91% |
| QUARRY LP | 08/14/2026 | 75.00 K | $766.50 K | 100.00% | 0.91% |
| SCHONFELD STRATEGIC ADVISORS LLC | 08/14/2026 | 55.00 K | $562.10 K | 0.00% | 0.66% |
| LOGAN STONE CAPITAL, LLC | 08/14/2026 | 14.50 K | $148.14 K | -0.03% | 0.18% |
| MORGAN STANLEY | 08/13/2026 | 53 | $542 | -15.87% | 0.00% |
| JPMORGAN CHASE & CO | 08/12/2026 | 0 | $0 | -100.00% | 0.00% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 0 | $0 | -100.00% | 0.00% |
| VIRTU FINANCIAL LLC | 08/13/2026 | 0 | $0 | -100.00% | 0.00% |
| HGC INVESTMENT MANAGEMENT INC. | 08/14/2026 | 0 | $0 | -100.00% | 0.00% |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
Quantumsphere Acquisition Corp. institutional Ownership - FAQ's
During the previous two years, 31 institutional investors and hedge funds held shares of Quantumsphere Acquisition Corp.. The most heavily invested institutionals were:
BERKLEY W R CORP: 881,402
MIZUHO SECURITIES USA LLC: 757,023
WOLVERINE ASSET MANAGEMENT LLC: 602,984
Karpus Management, Inc.: 469,875
RIVERNORTH CAPITAL MANAGEMENT, LLC: 424,124
D. E. Shaw & Co., Inc.: 409,860
94.91% of Quantumsphere Acquisition Corp. stock is owned by institutional investors.
Institutional investors have bought a total of 7.86 M shares in the last 24 months. This purchase volume represents approximately $79.21 M in transactions.