Archimedes Tech SPAC Partners II Co. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT CO., L.P. | 05/15/2026 | 1.50 M | $15.62 M | 0.00% | 7.39% |
| MAGNETAR FINANCIAL LLC | 05/13/2026 | 1.30 M | $13.57 M | 0.00% | 6.41% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 1.14 M | $11.90 M | 0.00% | 5.61% |
| LINDEN ADVISORS LP | 05/15/2026 | 1.00 M | $10.44 M | 0.00% | 4.93% |
| AQR ARBITRAGE LLC | 05/15/2026 | 920.67 K | $9.58 M | -4.53% | 4.54% |
| WESTCHESTER CAPITAL MANAGEMENT, LLC | 05/15/2026 | 907.14 K | $9.44 M | 0.00% | 4.47% |
| LMR PARTNERS LLP | 05/15/2026 | 850.00 K | $8.85 M | 0.00% | 4.19% |
| GHISALLO CAPITAL MANAGEMENT LLC | 05/15/2026 | 800.00 K | $8.35 M | 0.00% | 3.94% |
| GOVERNORS LANE LP | 05/15/2026 | 759.56 K | $7.93 M | 0.12% | 3.74% |
| ALBERTA INVESTMENT MANAGEMENT CORP | 04/29/2026 | 750.00 K | $7.84 M | 0.00% | 3.70% |
| GLAZER CAPITAL, LLC | 05/14/2026 | 750.00 K | $7.81 M | -13.22% | 3.70% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2026 | 725.00 K | $7.55 M | 0.00% | 3.57% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 05/13/2026 | 700.00 K | $7.32 M | 0.00% | 3.45% |
| RADCLIFFE CAPITAL MANAGEMENT, L.P. | 05/15/2026 | 661.34 K | $6.90 M | 0.46% | 3.26% |
| TORONTO DOMINION BANK | 05/15/2026 | 650.00 K | $6.77 M | 333.33% | 3.20% |
| SCULPTOR CAPITAL LP | 05/15/2026 | 600.65 K | $6.25 M | 0.00% | 2.96% |
| JAIN GLOBAL LLC | 05/15/2026 | 500.00 K | $5.22 M | 0.00% | 2.46% |
| PICTON MAHONEY ASSET MANAGEMENT | 05/13/2026 | 500.00 K | $5.21 M | 0.00% | 2.46% |
| MOORE CAPITAL MANAGEMENT, LP | 05/15/2026 | 450.00 K | $4.68 M | 0.00% | 2.22% |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 05/15/2026 | 427.50 K | $4.45 M | -4.52% | 2.11% |
| RLH CAPITAL LLC | 04/29/2026 | 400.91 K | $4.18 M | 100.00% | 1.98% |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 05/01/2026 | 400.00 K | $4.17 M | 0.00% | 1.97% |
| J. GOLDMAN & CO LP | 05/15/2026 | 369.78 K | $3.85 M | 100.00% | 1.82% |
| PERISCOPE CAPITAL INC. | 05/14/2026 | 352.88 K | $3.68 M | -21.25% | 1.74% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 327.45 K | $3.41 M | 1.11% | 1.61% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 307.99 K | $3.21 M | 0.00% | 1.52% |
| MINT TOWER CAPITAL MANAGEMENT B.V. | 05/04/2026 | 300.00 K | $3.12 M | 0.00% | 1.48% |
| METEORA CAPITAL, LLC | 05/15/2026 | 295.61 K | $3.08 M | -58.85% | 1.46% |
| CENTIVA CAPITAL, LP | 05/14/2026 | 285.52 K | $2.98 M | 0.00% | 1.41% |
| QUARRY LP | 05/15/2026 | 285.00 K | $2.97 M | 100.00% | 1.40% |
| SHAOLIN CAPITAL MANAGEMENT LLC | 05/15/2026 | 270.78 K | $2.82 M | 0.00% | 1.33% |
| ARISTEIA CAPITAL LLC | 05/15/2026 | 250.00 K | $2.60 M | 0.00% | 1.23% |
| WHITEBOX ADVISORS LLC | 05/15/2026 | 250.00 K | $2.60 M | 0.00% | 1.23% |
| VERITION FUND MANAGEMENT LLC | 05/15/2026 | 231.47 K | $2.42 M | 0.00% | 1.14% |
| BERKLEY W R CORP | 05/15/2026 | 208.07 K | $2.17 M | -8.83% | 1.03% |
| 05/15/2026 | 200.00 K | $2.09 M | 100.00% | 0.99% | |
| 05/15/2026 | 200.00 K | $2.08 M | 0.00% | 0.99% | |
| SCHONFELD STRATEGIC ADVISORS LLC | 05/15/2026 | 173.52 K | $1.81 M | 0.00% | 0.86% |
| DLD ASSET MANAGEMENT, LP | 05/13/2026 | 150.00 K | $1.56 M | -25.00% | 0.74% |
| READYSTATE ASSET MANAGEMENT LP | 05/15/2026 | 148.73 K | $1.55 M | 0.81% | 0.73% |
| WOLVERINE ASSET MANAGEMENT LLC | 05/04/2026 | 134.28 K | $1.40 M | -62.21% | 0.66% |
| MMCAP INTERNATIONAL INC. SPC | 05/15/2026 | 125.00 K | $1.30 M | 0.00% | 0.62% |
| GRITSTONE ASSET MANAGEMENT LLC | 05/05/2026 | 99.08 K | $1.03 M | 0.00% | 0.49% |
| 05/15/2026 | 95.90 K | $1.00 M | 100.00% | 0.47% | |
| K2 PRINCIPAL FUND, L.P. | 05/14/2026 | 87.90 K | $915.04 K | 0.00% | 0.43% |
| BAIRD FINANCIAL GROUP, INC. | 05/14/2026 | 78.50 K | $819.15 K | 0.00% | 0.39% |
| CLEAR STREET GROUP INC. | 05/15/2026 | 77.45 K | $806.28 K | 1,746.29% | 0.38% |
| CSS LLC/IL | 05/15/2026 | 57.14 K | $594.86 K | 0.00% | 0.28% |
| VIRTU FINANCIAL LLC | 05/14/2026 | 53.69 K | $561.00 K | 100.00% | 0.26% |
| BNP PARIBAS ARBITRAGE, SNC | 05/12/2026 | 37.74 K | $392.92 K | 100.00% | 0.19% |
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Archimedes Tech SPAC Partners II Co. institutional Ownership - FAQ's
During the previous two years, 56 institutional investors and hedge funds held shares of Archimedes Tech SPAC Partners II Co.. 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: 920,672
Westchester Capital Management, LLC: 907,144
109.34% of Archimedes Tech SPAC Partners II Co. stock is owned by institutional investors.
Institutional investors have bought a total of 21.93 M shares in the last 24 months. This purchase volume represents approximately $228.92 M in transactions.