Archimedes Tech SPAC Partners II Co Unit
ATIIU
9 hedge funds and large institutions have $13.4M invested in Archimedes Tech SPAC Partners II Co Unit in 2025 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 36 closing their positions.
67% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 3
77.42% less ownership
Funds ownership: 83.7% → 6.28% (-77%)
80% less funds holding
Funds holding: 44 → 9 (-35)
93% less capital invested
Capital invested by funds: $194M → $13.4M (-$181M)
97% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 36
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$32K |
| 2 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
+$10 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
Tenor Capital Management
New York
|
-$15.2M |
| 2 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$13.1M |
| 3 |
MF
Magnetar Financial
Evanston,
Illinois
|
-$13.1M |
| 4 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$10.1M |
| 5 |
LA
Linden Advisors
New York
|
-$10.1M |
ATIIU Hedge Fund Activity: Q2 2025 in Review
9 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners II Co Unit (ATIIU) for Q2 2025, worth a combined $13.4M — down 93% from $194M a quarter earlier.
Sellers outnumbered buyers: 36 funds closed out of ATIIU and 1 opened new positions — a net loss of 35 holders — while 3 trimmed existing stakes and 1 added.
The largest buyer was UBS Group, adding an estimated $32K. The largest seller was Tenor Capital Management, exiting entirely with an estimated $15.2M sold.
- 9 institutional investors held Archimedes Tech SPAC Partners II Co Unit (ATIIU) as of Q2 2025, down from 44 in Q1 2025.
- Funds reported $13.4M of Archimedes Tech SPAC Partners II Co Unit stock for Q2 2025, down 93% quarter-over-quarter.
- 1 fund opened new Archimedes Tech SPAC Partners II Co Unit positions in Q2 2025 and 36 closed out, a net change of -35 holders.
- The largest Archimedes Tech SPAC Partners II Co Unit buyer in Q2 2025 was UBS Group, an estimated $32K added.
- The largest Archimedes Tech SPAC Partners II Co Unit seller in Q2 2025 was Tenor Capital Management, an estimated $15.2M sold.
Based on aggregated 13F filings for Q2 2025.