Archimedes Tech Spac PartnerATII
13F holders, Q2 2025 (June 30)42holders
1famous investor
$10.22avg. 13F price*
At the end of Q2 2025, 42 institutions reported holding Archimedes Tech Spac Partner (ATII) in their 13F filings. The largest holders were TENOR CAPITAL MANAGEMENT Co., L.P. ($15.3M), Sculptor Capital LP ($13.3M) and Magnetar Financial LLC ($13.2M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Archimedes Tech Spac Partner
- CUSIP
- G04537109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $61.8M |
| Exits | 0 | $0 |
Ownership 42 holders
| TENOR CAPITAL MANAGEMENT Co., L.P. | 2.11% | No change | 1,500,000 | $15.3M |
| Sculptor Capital LP | 0.35% | New | 1,300,000 | $13.3M |
| Magnetar Financial LLC | 0.07% | No change | 1,300,000 | $13.2M |
| D. E. Shaw & Co. | 0.01% | Add +98.0% | 1,138,500 | $11.6M |
| Linden Advisors LP | 1.07% | No change | 1,000,000 | $10.2M |
| AQR Arbitrage LLC | 0.37% | Reduce -25.6% | 969,382 | $9.9M |
| Glazer Capital, LLC | 0.37% | Add +4.3% | 875,087 | $9.0M |
| LMR Partners LLP | 0.20% | No change | 850,000 | $8.7M |
| Ghisallo Capital Management LLC | 0.22% | No change | 800,000 | $8.2M |
| Governors Lane LP | 1.06% | New | 750,000 | $7.7M |
| Alberta Investment Management Corp | 0.07% | New | 750,000 | $7.7M |
| Two Sigma Investments, LP | 0.01% | No change | 725,000 | $7.4M |
| Hudson Bay Capital Management LP | 0.05% | No change | 700,000 | $7.2M |
| Driehaus Capital Management LLC | 0.05% | New | 664,298 | $6.8M |
| Westchester Capital Management, LLC | 0.39% | Add +62.5% | 650,000 | $6.6M |
| Jain Global LLC | 0.08% | New | 500,000 | $5.1M |
| Picton Mahoney Asset Management | 0.07% | Add +100.0% | 500,000 | $5.1M |
| Periscope Capital Inc. | 1.83% | Add +50.0% | 450,000 | $4.6M |
| Moore Capital Management, LP | 0.10% | No change | 450,000 | $4.6M |
| Mizuho Securities USA LLC | 0.10% | — | 455,000 | $4.6M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | New | 400,000 | $4.1M |
| Toronto Dominion Bank | 0.01% | New | 394,700 | $4.0M |
| Meteora Capital, LLC | 0.77% | New | 392,530 | $4.0M |
| Radcliffe Capital Management, L.P. | 1.54% | New | 326,920 | $3.3M |
| Goldman Sachs Group Inc. | 0.00% | New | 323,854 | $3.3M |
| Schonfeld Strategic Advisors LLC | 0.02% | Reduce -8.6% | 320,000 | $3.3M |
| DLD Asset Management, LP | 1.48% | Add +100.0% | 300,000 | $3.1M |
| Mint Tower Capital Management B.V. | 0.88% | No change | 300,000 | $3.1M |
| Centiva Capital, LP | 0.19% | Add +90.3% | 285,515 | $2.9M |
| Verition Fund Management LLC | 0.02% | Reduce -13.7% | 251,475 | $2.6M |
| Whitebox Advisors LLC | 0.18% | No change | 250,000 | $2.6M |
| Aristeia Capital, L.L.C. | 0.13% | No change | 250,000 | $2.6M |
| Berkley W R Corp. | 0.14% | No change | 228,206 | $2.3M |
| Shaolin Capital Management LLC | 0.54% | Reduce -69.3% | 200,000 | $2.0M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.06% | New | 200,000 | $2.0M |
| K2 Principal Fund, L.P. | 0.71% | Reduce -49.9% | 160,170 | $1.6M |
| Gritstone Asset Management LLC | 1.05% | No change | 100,000 | $1.0M |
| CSS LLC | 0.10% | Reduce -93.9% | 50,000 | $512K |
| Clear Street LLC | 0.00% | New | 37,534 | $384K |
| Wolverine Asset Management LLC | 0.01% | Reduce -41.5% | 15,141 | $155K |
| Warberg Asset Management LLC | 0.43% | No change | 10,000 | $102K |
| Morgan Stanley | 0.00% | New | 121 | $1K |
"% of holder's portfolio" is ATII's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.