Archimedes Tech SPAC Partners II Co. Ordinary Shares Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT CO., L.P. | 11/14/2025 | 1.50 M | $15.32 M | 0.00% | 5.07% |
| MAGNETAR FINANCIAL LLC | 11/13/2025 | 1.30 M | $13.31 M | 0.00% | 4.39% |
| D. E. SHAW & CO., INC. | 11/14/2025 | 1.14 M | $11.64 M | 0.00% | 3.85% |
| LINDEN ADVISORS LP | 11/14/2025 | 1.00 M | $10.24 M | 0.00% | 3.38% |
| AQR ARBITRAGE LLC | 11/14/2025 | 964.38 K | $9.85 M | -0.52% | 3.26% |
| WESTCHESTER CAPITAL MANAGEMENT, LLC | 11/14/2025 | 900.00 K | $9.19 M | 38.46% | 3.04% |
| GLAZER CAPITAL, LLC | 11/13/2025 | 875.09 K | $8.94 M | 0.00% | 2.96% |
| LMR PARTNERS LLP | 11/14/2025 | 850.00 K | $8.68 M | 0.00% | 2.87% |
| GHISALLO CAPITAL MANAGEMENT LLC | 11/14/2025 | 800.00 K | $8.19 M | 0.00% | 2.70% |
| GOVERNORS LANE LP | 11/14/2025 | 750.00 K | $7.68 M | 0.00% | 2.53% |
| ALBERTA INVESTMENT MANAGEMENT CORP | 11/07/2025 | 750.00 K | $7.67 M | 0.00% | 2.53% |
| SCULPTOR CAPITAL LP | 11/14/2025 | 740.00 K | $7.56 M | -43.08% | 2.50% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 725.00 K | $7.40 M | 0.00% | 2.45% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 11/13/2025 | 700.00 K | $7.15 M | 0.00% | 2.37% |
| METEORA CAPITAL, LLC | 11/17/2025 | 649.90 K | $6.64 M | 65.57% | 2.20% |
| RADCLIFFE CAPITAL MANAGEMENT, L.P. | 11/14/2025 | 611.52 K | $6.26 M | 87.06% | 2.07% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 11/14/2025 | 573.08 K | $5.85 M | -13.73% | 1.94% |
| PICTON MAHONEY ASSET MANAGEMENT | 11/12/2025 | 500.00 K | $5.12 M | 0.00% | 1.69% |
| PERISCOPE CAPITAL INC. | 11/13/2025 | 500.00 K | $5.12 M | 11.11% | 1.69% |
| JAIN GLOBAL LLC | 11/14/2025 | 500.00 K | $5.12 M | 0.00% | 1.69% |
| WOLVERINE ASSET MANAGEMENT LLC | 10/28/2025 | 456.33 K | $4.66 M | 2,913.84% | 1.54% |
| MOORE CAPITAL MANAGEMENT, LP | 11/14/2025 | 450.00 K | $4.59 M | 0.00% | 1.52% |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 11/12/2025 | 400.00 K | $4.09 M | 0.00% | 1.35% |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 11/14/2025 | 357.75 K | $3.65 M | 100.00% | 1.21% |
| MIZUHO SECURITIES USA LLC | 10/22/2025 | 335.10 K | $3.39 M | -26.35% | 1.13% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 323.85 K | $3.31 M | 0.00% | 1.09% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 303.97 K | $3.10 M | 100.00% | 1.03% |
| MINT TOWER CAPITAL MANAGEMENT B.V. | 11/12/2025 | 300.00 K | $3.06 M | 0.00% | 1.01% |
| CENTIVA CAPITAL, LP | 11/14/2025 | 285.52 K | $2.92 M | 0.00% | 0.96% |
| VERITION FUND MANAGEMENT LLC | 11/14/2025 | 251.47 K | $2.57 M | 0.00% | 0.85% |
| ARISTEIA CAPITAL LLC | 11/14/2025 | 250.00 K | $2.55 M | 0.00% | 0.84% |
| WHITEBOX ADVISORS LLC | 11/14/2025 | 250.00 K | $2.55 M | 0.00% | 0.84% |
| BERKLEY W R CORP | 11/14/2025 | 228.21 K | $2.33 M | 0.00% | 0.77% |
| SCHONFELD STRATEGIC ADVISORS LLC | 11/14/2025 | 221.67 K | $2.27 M | -30.73% | 0.75% |
| SHAOLIN CAPITAL MANAGEMENT LLC | 11/14/2025 | 200.00 K | $2.04 M | 0.00% | 0.68% |
| DLD ASSET MANAGEMENT, LP | 11/14/2025 | 150.00 K | $1.53 M | -50.00% | 0.51% |
| TORONTO DOMINION BANK | 11/14/2025 | 150.00 K | $1.53 M | -62.00% | 0.51% |
| READYSTATE ASSET MANAGEMENT LP | 11/07/2025 | 147.53 K | $1.51 M | 100.00% | 0.50% |
| MMCAP INTERNATIONAL INC. SPC | 11/10/2025 | 125.00 K | $1.28 M | 100.00% | 0.42% |
| K2 PRINCIPAL FUND, L.P. | 11/13/2025 | 113.67 K | $1.16 M | -29.03% | 0.38% |
| GRITSTONE ASSET MANAGEMENT LLC | 11/04/2025 | 99.08 K | $1.01 M | -0.92% | 0.33% |
| DLD ASSET MANAGEMENT, LP | 11/14/2025 | 75.00 K | $29.25 K | 0.00% | 0.25% |
| CSS LLC/IL | 11/13/2025 | 50.00 K | $510.52 K | 0.00% | 0.17% |
| CLEAR STREET GROUP INC. | 11/14/2025 | 29.20 K | $298.09 K | 100.00% | 0.10% |
| WARBERG ASSET MANAGEMENT LLC | 11/06/2025 | 10.00 K | $102.35 K | 0.00% | 0.03% |
| MORGAN STANLEY | 11/14/2025 | 51 | $521 | -57.85% | 0.00% |
| UBS OCONNOR LLC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
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Archimedes Tech SPAC Partners II Co. Ordinary Shares institutional Ownership - FAQ's
During the previous two years, 47 institutional investors and hedge funds held shares of Archimedes Tech SPAC Partners II Co. Ordinary Shares. The most heavily invested institutionals were:
TENOR CAPITAL MANAGEMENT Co., L.P.: 1.5 M
Magnetar Financial LLC: 1.3 M
D. E. Shaw & Co., Inc.: 1.14 M
LINDEN ADVISORS LP: 1,000,000
AQR Arbitrage LLC: 964,382
Westchester Capital Management, LLC: 900,000
73.73% of Archimedes Tech SPAC Partners II Co. Ordinary Shares stock is owned by institutional investors.
Institutional investors have bought a total of 21.85 M shares in the last 24 months. This purchase volume represents approximately $226.62 M in transactions.