Archimedes Tech SPAC Partners II Co. - ATII

Sector: Financial · Industry: Blank Checks
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Quarter snapshot

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Q4 2025 · Q3 2025
Value (USD)
Total reported value ($000)
$232.8M
QoQ value delta ($000)
+$4.356M (+1.91%)
Implied price effect (QoQ)
+1.63%
Shares
Total shares
22,469,741
QoQ shares delta
+60,404 (+0.27%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

Market chart (ATII)

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Top holders (Q4 2025)

Top 25 only Full list
Early Q2 2026 data: only 53 institutional holders reported so far. More will appear as funds file with the SEC.
Manager Value ($000) Shares % of 13F
TENOR CAPITAL MANAGEMENT Co., L.P. 15,540 1,500,000 0.22%
Magnetar Financial LLC 13,468 1,300,000 0.13%
D. E. Shaw & Co., Inc. 11,794 1,138,500 0.01%
LINDEN ADVISORS LP 10,360 1,000,000 0.06%
AQR Arbitrage LLC 9,990 964,382 0.21%
Westchester Capital Management, LLC 9,398 907,144 0.39%
GLAZER CAPITAL, LLC 8,954 864,303 0.24%
LMR Partners LLP 8,806 850,000 0.02%
Ghisallo Capital Management LLC 8,288 800,000 0.37%
Governors Lane LP 7,859 758,617 0.47%
Alberta Investment Management Corp 7,770 750,000 0.05%
TWO SIGMA INVESTMENTS, LP 7,511 725,000 0.01%
METEORA CAPITAL, LLC 7,442 718,433 0.62%
Hudson Bay Capital Management LP 7,252 700,000 0.02%
Radcliffe Capital Management, L.P. 6,820 658,322 0.37%
Sculptor Capital LP 6,222 600,646 0.06%
DRIEHAUS CAPITAL MANAGEMENT LLC 5,937 573,083 0.04%
PICTON MAHONEY ASSET MANAGEMENT 5,180 500,000 0.04%
Jain Global LLC 5,180 500,000 0.03%
MOORE CAPITAL MANAGEMENT, LP 4,662 450,000 0.07%
PERISCOPE CAPITAL INC. 4,642 448,100 0.53%
RIVERNORTH CAPITAL MANAGEMENT, LLC 4,638 447,750 0.22%
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 4,144 400,000 0.02%
WOLVERINE ASSET MANAGEMENT LLC 3,681 355,354 0.03%
GOLDMAN SACHS GROUP INC 3,355 323,854 0.0%