SEC 13F Intelligence

ARCHIMEDES TECH SPAC PARTNER

CUSIP G04537109

Archimedes Tech Spac Partner has 54 institutional holders in Filings Flow’s 13F database, together reporting 22.19M shares worth $220M as of Q1 2026. The largest reported holders are Tenor Capital Management Co., L.P., Magnetar Financial LLC, and D. E. Shaw & Co., Inc..

Institutional Holders
54
Q1 2026
Reported Value
$220M
Ticker
unmapped
private placement or foreign
Quarters Tracked
3

Ownership Trend

Institutional holders
Q4 ’25: 49Q4 ’25Q1 ’26: 54Q1 ’26Q2 ’26: 1Q2 ’26filingsflow.com
Total reported value
Q4 ’25: $218MQ4 ’25Q1 ’26: $220MQ1 ’26Q2 ’26: $3,527Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
RLH Capital LLC$197M AUM2.13%$4M400.9KQ1 2026OLDER
L1 Global Manager Pty Ltd$149M AUM1.39%$2M200.0KQ1 2026OLDER
Quarry LP$558M AUM0.53%$3M285.0KQ1 2026OLDER
Radcliffe Capital Management, L.P.$1.3B AUM0.52%$7M661.3KQ1 2026OLDER
Governors Lane LP$1.6B AUM0.51%$8M759.6KQ1 2026OLDER
Westchester Capital Management, LLC$2.2B AUM0.43%$9M907.1KQ1 2026OLDER
PERISCOPE CAPITAL INC.$902M AUM0.41%$4M352.9KQ1 2026OLDER
Lineage Point Capital LP$409M AUM0.24%$1M95.9KQ1 2026OLDER
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)$3.7B AUM0.24%$2M200.0KQ4 2025OLDER
TENOR CAPITAL MANAGEMENT Co., L.P.$6.5B AUM0.24%$16M1.50MQ1 2026OLDER
Ghisallo Capital Management LLC$3.6B AUM0.23%$8M800.0KQ1 2026OLDER
METEORA CAPITAL, LLC$1.4B AUM0.23%$3M295.6KQ1 2026OLDER
RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM0.22%$4M427.5KQ1 2026OLDER
O'Connor Alternative Investments LLC$1.2B AUM0.18%$2M200.0KQ1 2026OLDER
AQR Arbitrage LLC$6.1B AUM0.16%$10M920.7KQ1 2026OLDER
DLD Asset Management, LP$1.1B AUM0.14%$2M150.0KQ1 2026OLDER
Magnetar Financial LLC$9.8B AUM0.14%$14M1.30MQ1 2026OLDER
BERKLEY W R CORP$1.9B AUM0.12%$2M208.1KQ1 2026OLDER
MMCAP International Inc. SPC$1.2B AUM0.11%$1M125.0KQ1 2026OLDER
J. Goldman & Co LP$3.4B AUM0.11%$4M369.8KQ1 2026OLDER
Shaolin Capital Management LLC$2.7B AUM0.10%$3M270.8KQ1 2026OLDER
MOORE CAPITAL MANAGEMENT, LP$4.9B AUM0.10%$5M450.0KQ1 2026OLDER
READYSTATE ASSET MANAGEMENT LP$2.2B AUM0.07%$2M148.7KQ1 2026OLDER
Sculptor Capital LP$9.6B AUM0.07%$6M600.6KQ1 2026OLDER
K2 PRINCIPAL FUND, L.P.$1.4B AUM0.06%$915,03987.9KQ1 2026OLDER
LINDEN ADVISORS LP$17.9B AUM0.06%$10M1.00MQ1 2026OLDER
ARISTEIA CAPITAL, L.L.C.$4.8B AUM0.05%$3M250.0KQ1 2026OLDER
Alberta Investment Management Corp$16.7B AUM0.05%$8M750.0KQ1 2026OLDER
DRIEHAUS CAPITAL MANAGEMENT LLC$13.6B AUM0.04%$6M573.1KQ4 2025OLDER
PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM0.04%$5M500.0KQ1 2026OLDER
WHITEBOX ADVISORS LLC$8.1B AUM0.03%$3M250.0KQ1 2026OLDER
CSS LLC/IL$2.1B AUM0.03%$594,85957.1KQ1 2026OLDER
Hudson Bay Capital Management LP$29.0B AUM0.03%$7M700.0KQ1 2026OLDER
StoneX Group Inc.$1.9B AUM0.02%$524,35150.6KQ4 2025OLDER
Centiva Capital, LP$13.6B AUM0.02%$3M285.5KQ1 2026OLDER
Jain Global LLC$24.2B AUM0.02%$5M500.0KQ1 2026OLDER
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$19.6B AUM0.02%$4M400.0KQ1 2026OLDER
LMR Partners LLP$45.4B AUM0.02%$9M850.0KQ1 2026OLDER
Verition Fund Management LLC$15.4B AUM0.02%$2M231.5KQ1 2026OLDER
WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM0.01%$1M134.3KQ1 2026OLDER
Schonfeld Strategic Advisors LLC$14.2B AUM0.01%$2M173.5KQ1 2026OLDER
Warberg Asset Management LLC$600M AUM0.01%$103,60010.0KQ4 2025OLDER
TORONTO DOMINION BANK$69.7B AUM0.01%$7M650.0KQ1 2026OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.01%$12M1.14MQ1 2026OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.01%$8M725.0KQ1 2026OLDER
MIZUHO SECURITIES USA LLC$4.2B AUM0.00%$202,47819.5KQ1 2026OLDER
Clear Street Group Inc.$24.6B AUM0.00%$806,27577.5KQ1 2026OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$3M308.0KQ1 2026OLDER
Baird Financial Group, Inc.$64.0B AUM0.00%$819,14878.5KQ1 2026OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$3M327.4KQ1 2026OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$392,91537.7KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$108,44010.4KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$115,57111.1KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$1,347130Q1 2026OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.