Who Owns ARCHIMEDES TECH SPAC PTNRS I (ARCIU)? -- Institutional Holders (2026-06-30)

30 institutions reported holding $47.3M of ARCHIMEDES TECH SPAC PTNRS I (ARCIU) in SEC 13F filings for 2026-06-30. Largest institutional holders: LMR Partners LLP ($12.7M), TUDOR INVESTMENT CORP ET AL ($6.6M), TORONTO DOMINION BANK ($6.6M), OMERS ADMINISTRATION Corp ($4.9M), ARISTEIA CAPITAL, L.L.C. ($4.1M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1LMR Partners LLP$12.7M1.2MHold
2TUDOR INVESTMENT CORP ET AL$6.6M650,000Hold
3TORONTO DOMINION BANK$6.6M646,217Added
4OMERS ADMINISTRATION Corp$4.9M480,000Hold
5ARISTEIA CAPITAL, L.L.C.$4.1M400,779Added
6Lineage Point Capital LP$3.0M288,776Added
7BlueCrest Capital Management Ltd$2.8M275,000Hold
8MILLENNIUM MANAGEMENT LLC$1.8M179,743Trimmed
9Qube Research & Technologies Ltd$1.5M150,000Hold
10Calamos Advisors LLC$1.3M124,000Hold
11Westchester Capital Management, LLC$1.0M100,000Hold
12Clear Street Group Inc.$349,06934,256Added
13HRT FINANCIAL LP$256,00025,000Added
14GLAZER CAPITAL, LLC$110,00010,523New
15Tuttle Capital Management, LLC$109,41310,769Added
16AQR Arbitrage LLC$00Exited
17MMCAP International Inc. SPC$00Exited
18PRELUDE CAPITAL MANAGEMENT, LLC$00Exited
19RIVERNORTH CAPITAL MANAGEMENT, LLC$00Exited
20Alberta Investment Management Corp$00Exited
21Bulldog Investors, LLP$00Exited
22BNP PARIBAS FINANCIAL MARKETS$00Exited
23PICTON MAHONEY ASSET MANAGEMENT$00Exited
24BOOTHBAY FUND MANAGEMENT, LLC$00Exited
25Schonfeld Strategic Advisors LLC$00Exited

Source: SEC Form 13F filings · as of 2026-06-30