Archimedes Tech Spac PartnerARCIW Preferred / convertible 13F holders, Q1 2026 (March 31) 29 holders
1 famous investor
$0.64 avg. 13F price*
At the end of Q1 2026 , 29 institutions reported holding Archimedes Tech Spac Partner (ARCIW) in their 13F filings. The largest holders were Mint Tower Capital Management B.V. ($369K), Adage Capital Partners Gp, L.L.C. ($201K) and Magnetar Financial LLC ($165K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
Company Archimedes Tech Spac Partner
CUSIP G0453R113
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q1 2026 Institutions Total Value New Positions 29 $2.3M Exits 0 $0
Ownership 29 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Mint Tower Capital Management B.V. — New 37,500 $369K Adage Capital Partners Gp, L.L.C. — New 375,000 $201K Magnetar Financial LLC — New 300,000 $165K Linden Advisors LP — New 299,999 $160K K2 Principal Fund, L.P. — New 281,777 $152K TENOR CAPITAL MANAGEMENT Co., L.P. — New 250,000 $134K Governors Lane LP — New 250,000 $134K Sona Asset Management (us) LLC — New 200,000 $107K Verition Fund Management LLC — New 187,500 $103K Healthcare of Ontario Pension Plan Trust Fund — New 137,500 $76K Polar Asset Management Partners Inc. — New 125,000 $67K Moore Capital Management, LP — New 125,000 $67K Meteora Capital, LLC — New 123,720 $66K Glazer Capital, LLC — New 118,814 $64K Shaolin Capital Management LLC — New 110,111 $59K D. E. Shaw & Co. — New 106,250 $58K Periscope Capital Inc. — New 101,100 $54K Radcliffe Capital Management, L.P. — New 81,342 $44K HBK Investments L P — New 62,501 $33K Clear Street Group Inc. — New 58,300 $31K 683 Capital Management, LLC — New 50,000 $27K DLD Asset Management, LP — New 42,499 $23K Alpine Global Management, LLC — New 37,500 $20K Whitebox Advisors LLC — New 25,000 $13K Context Capital Management, LLC — New 25,000 $13K L1 Global Manager Pty Ltd — New 18,750 $10K Virtu Financial LLC — New 19,000 $10K Hudson Bay Capital Management LP — New 15,001 $8K Royal Bank of Canada — New 675 $0
"% of holder's portfolio" is ARCIW's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.