Archimedes Tech Spac PartnerARCI 13F holders, Q1 2026 (March 31) 40 holders
1 famous investor
$9.85 avg. 13F price*
At the end of Q1 2026 , 40 institutions reported holding Archimedes Tech Spac Partner (ARCI) in their 13F filings. The largest holders were Adage Capital Partners Gp, L.L.C. ($17.7M), Linden Advisors LP ($11.8M) and Magnetar Financial LLC ($11.8M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
Company Archimedes Tech Spac Partner
CUSIP G0453R105
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q1 2026 Institutions Total Value New Positions 40 $153.3M Exits 0 $0
Ownership 40 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Adage Capital Partners Gp, L.L.C. 0.03% New 1,800,000 $17.7M Linden Advisors LP 0.69% New 1,200,000 $11.8M Magnetar Financial LLC 0.13% New 1,200,000 $11.8M Governors Lane LP 1.24% New 1,000,000 $9.8M TENOR CAPITAL MANAGEMENT Co., L.P. 0.67% New 1,000,000 $9.8M Sona Asset Management (us) LLC 0.45% New 800,000 $7.9M Verition Fund Management LLC 0.08% New 750,000 $7.4M Healthcare of Ontario Pension Plan Trust Fund 0.01% New 550,000 $5.4M Shaolin Capital Management LLC 0.59% New 540,454 $5.3M Glazer Capital, LLC 0.11% New 504,602 $5.0M Moore Capital Management, LP 0.20% New 500,000 $4.9M Polar Asset Management Partners Inc. 0.16% New 500,000 $4.9M Meteora Capital, LLC 0.36% New 483,740 $4.8M D. E. Shaw & Co. 0.00% New 425,000 $4.2M Radcliffe Capital Management, L.P. 0.46% New 414,297 $4.1M Periscope Capital Inc. 0.73% New 409,001 $4.0M Hudson Bay Capital Management LP 0.02% New 300,000 $3.0M K2 Principal Fund, L.P. 0.90% New 299,536 $3.0M Two Sigma Investments, LP 0.00% New 273,791 $2.7M HBK Investments L P 0.03% New 250,004 $2.5M Ghisallo Capital Management LLC 0.07% New 250,000 $2.5M Berkley W R Corp. 0.13% New 248,000 $2.4M Clear Street Group Inc. 0.01% New 240,763 $2.4M 683 Capital Management, LLC 0.19% New 200,000 $2.0M First Trust Capital Management L.P. 0.10% New 200,000 $2.0M DLD Asset Management, LP 0.51% New 170,000 $1.7M Mint Tower Capital Management B.V. 0.32% New 150,000 $1.5M Alpine Global Management, LLC 0.26% New 150,000 $1.5M StoneX Group Inc. 0.06% New 109,745 $1.1M Context Capital Management, LLC 0.27% New 100,000 $985K Whitebox Advisors LLC 0.05% New 100,000 $985K Toronto Dominion Bank 0.00% New 95,398 $940K Virtu Financial LLC 0.04% New 90,734 $894K JPMorgan Chase & Co. 0.00% New 87,664 $862K L1 Global Manager Pty Ltd 0.60% New 75,000 $739K Parallax Volatility Advisers, L.P. 0.03% New 50,000 $495K Deltec Asset Management LLC 0.06% New 35,000 $345K Wolverine Asset Management LLC 0.01% New 10,087 $99K Royal Bank of Canada 0.00% New 2,700 $27K Morgan Stanley 0.00% New 17 $167
"% of holder's portfolio" is ARCI's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.