Archimedes Tech SPAC Partners ATIIW Institutional Ownership

ATIIW
$0.83 +0.12 (+16.90%)
At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

32 Institutions
Increased 11 34.4%
Unchanged 10 31.3%
Reduced 11 34.4%

Ownership Statistics

13F · as of 30 Jun, 2026
Institutional Ownership
—
not available
Shares Held by Institutions
8.37Mn
of 0 outstanding
▼-18.28% QoQ
Shares Outstanding
0
Institutional Investors
32
filed 13F for Jun 2026
▼-4 vs prior quarter
Net Shares Added (QoQ)
-1.87Mn
distributed since last quarter
Value of Holdings
$6.94Mn
reported market value

Shares Owned by Institutions

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed
Latest quarter —
Net over range —
Accumulating quarters —
Form 13F Holdings

33 Institutional Holders

Report period 30 Jun, 2026
Total shares held 8.37Mn
Of outstanding —
Download Data
# Institution CIK Shares Held % of Outstanding Change (QoQ) Change (%) Value (USD)
1 Harraden Circle Investments, LLC 0001910592 1,131,600 — ▼478,115 -29.70% $2.48Mn
2 ARISTEIA CAPITAL, L.L.C. 0001080171 788,491 — ▲663,491 +530.79% $1.71Mn
3 TENOR CAPITAL MANAGEMENT Co., L.P. 0001346554 750,000 — 0 0.00% $1.64Mn
4 LMR Partners LLP 0001578621 613,701 — ▲188,701 +44.40% $1.34Mn
5 LINDEN ADVISORS LP 0001279396 504,138 — ▼356,824 -41.44% $1.08Mn
6 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0001535845 500,000 — 0 0.00% $1.09Mn
7 AQR Arbitrage LLC 0001167456 481,366 — ▲2,158 +0.45% $1.05Mn
8 Magnetar Financial LLC 0001352851 437,600 — ▼212,400 -32.68% $953.97K
9 Alberta Investment Management Corp 0001463559 375,000 — 0 0.00% $821.21K
10 Decagon Asset Management LLP 0001950677 331,302 — ▲331,302 0.00% $725.52K
11 D. E. Shaw & Co., Inc. 0001009207 287,500 — 0 0.00% $626.75K
12 K2 PRINCIPAL FUND, L.P. 0001461790 280,718 — ▲40,823 +17.02% $614.77K
13 MOORE CAPITAL MANAGEMENT, LP 0001448574 225,000 — 0 0.00% $492.73K
14 RIVERNORTH CAPITAL MANAGEMENT, LLC 0001447578 224,942 — 0 0.00% $323.92K
15 Shaolin Capital Management LLC 0001766806 181,640 — ▼318,360 -63.67% $397.77K
16 BNP PARIBAS FINANCIAL MARKETS 0001166588 161,927 — 0 0.00% $354.60K
17 CSS LLC/IL 0001103646 151,718 — ▼335,901 -68.89% $332.25K
18 Sculptor Capital LP 0001054587 150,200 — ▲150,200 0.00% $328.92K
19 Mint Tower Capital Management B.V. 0001666606 130,000 — ▼20,000 -13.33% $285
20 WHITEBOX ADVISORS LLC 0001257391 125,000 — 0 0.00% $273.74K