Who Holds Archimedes Tech SPAC Partners III Co. (ARCI)? 52 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: 52 holders, $196 million in total.
Largest holders
The 52 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,800,000 | $18 million | +0% | 13F |
| Magnetar Financial LLC | 1,200,000 | $12 million | +0% | 13F |
| Linden Advisors LP | 1,200,000 | $12 million | +0% | 13F |
| Governors Lane LP | 1,146,610 | $11 million | +15% | 13F |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1,000,000 | $10 million | +0% | 13F |
| Alberta Investment Management Corp | 1,000,000 | $10 million | New | 13F |
| Verition Fund Management LLC | 815,355 | $8 million | +9% | 13F |
| SONA ASSET MANAGEMENT (US) LLC | 800,000 | $8 million | +0% | 13F |
| AQR Arbitrage LLC | 757,612 | $8 million | New | 13F |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 550,000 | $6 million | +0% | 13F |
| Shaolin Capital Management LLC | 510,386 | $5 million | -6% | 13F |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 500,000 | $5 million | New | 13F |
| Radcliffe Capital Management, L.P. | 504,673 | $5 million | +22% | 13F |
| Polar Asset Management Partners Inc. | 500,000 | $5 million | +0% | 13F |
| MOORE CAPITAL MANAGEMENT, LP | 500,000 | $5 million | +0% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 492,372 | $5 million | New | 13F |
| D. E. Shaw & Co., Inc. | 450,500 | $5 million | +6% | 13F |
| Meteora Capital, LLC | 424,489 | $4 million | -12% | 13F |
| Periscope Capital Inc. | 409,001 | $4 million | +0% | 13F |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 400,000 | $4 million | New | 13F |
| K2 PRINCIPAL FUND, L.P. | 308,333 | $3 million | +3% | 13F |
| Hudson Bay Capital Management LP | 300,000 | $3 million | +0% | 13F |
| MMCAP International Inc. SPC | 300,000 | $3 million | New | 13F |
| Schonfeld Strategic Advisors LLC | 297,404 | $3 million | New | 13F |
| TWO SIGMA INVESTMENTS, LP | 273,791 | $3 million | +0% | 13F |
| HBK INVESTMENTS L P | 250,004 | $3 million | +0% | 13F |
| Ghisallo Capital Management LLC | 250,000 | $3 million | +0% | 13F |
| BERKLEY W R CORP | 248,000 | $2 million | +0% | 13F |
| MANGROVE PARTNERS IM, LLC | 200,000 | $2 million | New | 13F |
| 683 Capital Management, LLC | 200,000 | $2 million | +0% | 13F |
| First Trust Capital Management L.P. | 200,000 | $2 million | +0% | 13F |
| TORONTO DOMINION BANK | 175,916 | $2 million | +84% | 13F |
| DLD Asset Management, LP | 170,000 | $2 million | +0% | 13F |
| Wealthspring Capital LLC | 160,960 | $2 million | New | 13F |
| MILLENNIUM MANAGEMENT LLC | 150,000 | $2 million | New | 13F |
| PICTON MAHONEY ASSET MANAGEMENT | 149,996 | $2 million | New | 13F |
| StoneX Group Inc. | 150,309 | $1 million | +37% | 13F |
| Clear Street Group Inc. | 147,610 | $1 million | -39% | 13F |
| WHITEBOX ADVISORS LLC | 100,000 | $1 million | +0% | 13F |
| Context Capital Management, LLC | 100,000 | $1 million | +0% | 13F |
| BOOTHBAY FUND MANAGEMENT, LLC | 95,000 | $950,950 | New | 13F |
| JPMORGAN CHASE & CO | 87,664 | $876,640 | +0% | 13F |
| L1 Global Manager Pty Ltd | 75,000 | $750,750 | +0% | 13F |
| Centiva Capital, LP | 70,050 | $701,201 | New | 13F |
| Bulldog Investors, LLP | 64,500 | $645,645 | New | 13F |
| DELTEC ASSET MANAGEMENT LLC | 35,000 | $350,350 | +0% | 13F |
| ABC ARBITRAGE SA | 35,000 | $350,350 | New | 13F |
| WOLVERINE ASSET MANAGEMENT LLC | 32,947 | $329,799 | +227% | 13F |
| Arax Advisory Partners | 1,500 | $15,015 | New | 13F |
| GLAZER CAPITAL, LLC | 496,809 | $4,973 | -2% | 13F |
| Mint Tower Capital Management B.V. | 150,000 | $1,502 | +0% | 13F |
| MORGAN STANLEY | 24 | $240 | +41% | 13F |
Questions and answers
- How many institutions hold Archimedes Tech SPAC Partners III Co.?
- 52 managers reported Archimedes Tech SPAC Partners III Co. on Form 13F for the quarter ended 30 June 2026, against 40 the quarter before.
- Who is the largest institutional holder of Archimedes Tech SPAC Partners III Co.?
- ADAGE CAPITAL PARTNERS GP, L.L.C., with 1,800,000 shares worth $18 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Archimedes Tech SPAC Partners III Co. in Q2 2026?
- 16 managers reported a new position and 4 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 III Co., Q2 2026", https://app.tamarly.ai/holders/archimedes-tech-spac-partners-iii, built from SEC EDGAR.
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