Who Holds Archimedes Tech SPAC Partners II Co. (ATII)? 50 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 50 holders, $180 million in total.
Largest holders
The 50 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1,367,830 | $15 million | -9% | 13F |
| Fort Baker Capital Management LP | 1,330,746 | $14 million | New | 13F |
| Magnetar Financial LLC | 1,297,302 | $14 million | 0% | 13F |
| D. E. Shaw & Co., Inc. | 1,138,500 | $12 million | +0% | 13F |
| Decagon Asset Management LLP | 937,829 | $10 million | New | 13F |
| Linden Advisors LP | 848,273 | $9 million | -15% | 13F |
| Ghisallo Capital Management LLC | 800,000 | $9 million | +0% | 13F |
| TWO SIGMA INVESTMENTS, LP | 725,000 | $8 million | +0% | 13F |
| Hudson Bay Capital Management LP | 700,000 | $8 million | +0% | 13F |
| Shay Capital LLC | 623,687 | $7 million | New | 13F |
| Governors Lane LP | 604,857 | $7 million | -20% | 13F |
| AQR Arbitrage LLC | 590,262 | $6 million | -36% | 13F |
| Sculptor Capital LP | 552,619 | $6 million | -8% | 13F |
| K2 PRINCIPAL FUND, L.P. | 526,227 | $6 million | +499% | 13F |
| LMR Partners LLP | 478,978 | $5 million | -44% | 13F |
| Radcliffe Capital Management, L.P. | 478,061 | $5 million | -28% | 13F |
| MOORE CAPITAL MANAGEMENT, LP | 450,000 | $5 million | +0% | 13F |
| Alberta Investment Management Corp | 400,000 | $4 million | -47% | 13F |
| CITADEL ADVISORS LLC | 250,266 | $3 million | +2312% | 13F |
| WHITEBOX ADVISORS LLC | 250,000 | $3 million | +0% | 13F |
| Harraden Circle Investments, LLC | 234,661 | $3 million | New | 13F |
| GOLDMAN SACHS GROUP INC | 205,090 | $2 million | -37% | 13F |
| L1 Global Manager Pty Ltd | 200,000 | $2 million | +0% | 13F |
| ARISTEIA CAPITAL, L.L.C. | 200,000 | $2 million | -20% | 13F |
| DLD Asset Management, LP | 195,453 | $2 million | +30% | 13F |
| Jain Global LLC | 185,108 | $2 million | -63% | 13F |
| Periscope Capital Inc. | 175,000 | $2 million | -50% | 13F |
| Verition Fund Management LLC | 140,797 | $2 million | -39% | 13F |
| MMCAP International Inc. SPC | 125,000 | $1 million | +0% | 13F |
| TUDOR INVESTMENT CORP ET AL | 123,842 | $1 million | New | 13F |
| CANTOR FITZGERALD, L. P. | 88,283 | $951,691 | New | 13F |
| TORONTO DOMINION BANK | 82,550 | $889,889 | -87% | 13F |
| Baird Financial Group, Inc. | 78,500 | $846,230 | +0% | 13F |
| Shaolin Capital Management LLC | 76,171 | $821,123 | -72% | 13F |
| MILLENNIUM MANAGEMENT LLC | 69,384 | $747,960 | -77% | 13F |
| Schonfeld Strategic Advisors LLC | 50,000 | $539,000 | -71% | 13F |
| Clear Street Group Inc. | 25,000 | $269,500 | -68% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 23,790 | $256,456 | -37% | 13F |
| MIZUHO SECURITIES USA LLC | 19,469 | $202,478 | +0% | 13F |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 17,497 | $189,143 | New | 13F |
| READYSTATE ASSET MANAGEMENT LP | 12,528 | $135,052 | -92% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 11,102 | $119,679 | +0% | 13F |
| EverSource Wealth Advisors, LLC | 8,500 | $91,630 | New | 13F |
| UBS Group AG | 1,658 | $17,873 | New | 13F |
| FNY Investment Advisers, LLC | 327,200 | $3,527 | New | 13F |
| Mint Tower Capital Management B.V. | 300,000 | $3,234 | +0% | 13F |
| GLAZER CAPITAL, LLC | 50,100 | $540 | -93% | 13F |
| HRT FINANCIAL LP | 47,190 | $508 | New | 13F |
| MORGAN STANLEY | 35 | $377 | -44% | 13F |
| Caitong International Asset Management Co., Ltd | 4 | $43 | New | 13F |
Questions and answers
- How many institutions hold Archimedes Tech SPAC Partners II Co.?
- 50 managers reported Archimedes Tech SPAC Partners II Co. on Form 13F for the quarter ended 30 June 2026, against 54 the quarter before.
- Who is the largest institutional holder of Archimedes Tech SPAC Partners II Co.?
- TENOR CAPITAL MANAGEMENT Co., L.P., with 1,367,830 shares worth $15 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Archimedes Tech SPAC Partners II Co. in Q2 2026?
- 12 managers reported a new position and 16 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Archimedes Tech SPAC Partners II Co., Q2 2026", https://app.tamarly.ai/holders/archimedes-tech-spac-partners-ii, built from SEC EDGAR.
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