Archimedes Tech Spac PartnerARCIU 13F holders, Q1 2026 (March 31) 29 holders
2 famous investors
$10.00 avg. 13F price*
At the end of Q1 2026 , 29 institutions reported holding Archimedes Tech Spac Partner (ARCIU) in their 13F filings. The largest holders were LMR Partners LLP ($12.5M), Alberta Investment Management Corp ($10.0M) and AQR Arbitrage LLC ($7.6M). 2 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
Company Archimedes Tech Spac Partner
CUSIP G0453R121
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q1 2026 Institutions Total Value New Positions 29 $91.0M Exits 0 $0
Ownership 29 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ LMR Partners LLP 0.15% New 1,250,000 $12.5M Alberta Investment Management Corp 0.07% New 1,000,000 $10.0M AQR Arbitrage LLC 0.15% New 757,625 $7.6M Tudor Investment Corporation 0.04% New 650,000 $6.5M Rivernorth Capital Management, LLC 0.25% New 500,000 $5.0M Lighthouse Investment Partners, LLC 0.19% New 500,000 $5.0M BNP Paribas Financial Markets 0.00% New 492,375 $4.9M OMERS ADMINISTRATION Corp 0.03% New 480,000 $4.8M Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.02% New 400,000 $4.0M Aristeia Capital, L.L.C. 0.16% New 399,790 $4.0M Millennium Management 0.00% New 350,000 $3.5M MMCAP International Inc. SPC 0.26% New 300,000 $3.0M BlueCrest Capital Management Ltd 0.38% New 275,000 $2.8M Lineage Point Capital LP 0.68% New 275,000 $2.8M Toronto Dominion Bank 0.00% New 250,000 $2.5M Schonfeld Strategic Advisors LLC 0.02% New 236,368 $2.4M Wealthspring Capital LLC 0.40% New 166,480 $1.7M Qube Research & Technologies Ltd 0.00% New 150,000 $1.5M Picton Mahoney Asset Management 0.02% New 150,000 $1.5M Calamos Advisors LLC 0.01% New 124,000 $1.2M Boothbay Fund Management, LLC 0.02% New 100,000 $1.0M Westchester Capital Management, LLC 0.05% New 100,000 $998K Bulldog Investors, LLP 0.15% New 67,500 $674K Abc Arbitrage SA 0.05% New 40,000 $400K HRT Financial LP 0.00% New 24,996 $250K Stoic Point Capital Management LLC 0.20% New 20,000 $200K Prelude Capital Management, LLC 0.02% New 20,000 $200K Clear Street Group Inc. 0.00% New 10,062 $101K Tuttle Capital Management, LLC 0.16% New 10,000 $100K
"% of holder's portfolio" is ARCIU's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.