13F Insight
DOSSIER · 13F Holders · Q1 2026

ARCHIMEDES TECH SPAC PTNRS I

23 institutions still hold ARCHIMEDES TECH SPAC PTNRS I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0453R121·23 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$74M
visible holders
Holders
23
filers reporting
Concentration
16.89%
LMR Partners LLP #1
top holder share
AI Holders Summary · Q1 2026

23 institutions reported ARCHIMEDES TECH SPAC PTNRS I in Q1 2026. LMR Partners LLP leads at 16.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
LMR Partners LLP
CIK 0001578621
$13M1.3M0.03%Q1 202602
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$10M1.0M0.06%Q1 202603
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$7M650K0.01%Q1 202604
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$5M500K0.25%Q1 202605
Lighthouse Investment Partners, LLC
CIK 0001600344
$5M500K0.17%Q1 202606
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$5M492K0.00%Q1 202607
OMERS ADMINISTRATION Corp
CIK 0001053321
$5M480K0.03%Q1 202608
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$4M400K0.08%Q1 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M350K0.00%Q1 202610
MMCAP International Inc. SPC
CIK 0001304857
$3M300K0.26%Q1 202611
BlueCrest Capital Management Ltd
CIK 0001610880
$3M275K0.16%Q1 202612
TORONTO DOMINION BANK
CIK 0000947263
$3M250K0.00%Q1 202613
Schonfeld Strategic Advisors LLC
CIK 0001665241
$2M236K0.02%Q1 202614
Qube Research & Technologies Ltd
CIK 0001729829
$2M150K0.00%Q1 202615
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$2M150K0.01%Q1 202616
Calamos Advisors LLC
CIK 0001316507
$1M124K0.00%Q1 202617
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$1M100K0.01%Q1 202618
Westchester Capital Management, LLC
CIK 0001512805
$998K100K0.05%Q1 202619
Bulldog Investors, LLP
CIK 0001504304
$674K68K0.15%Q1 202620
Stoic Point Capital Management LLC
CIK 0002043279
$200K20K0.19%Q1 2026
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