Archimedes Tech SPAC Partners II Co
ATII
49 hedge funds and large institutions have $230M invested in Archimedes Tech SPAC Partners II Co in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 11 increasing their positions, 9 reducing their positions, and closing their positions.
22% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 9
7% more funds holding
Funds holding: 46 → 49 (+3)
2% more capital invested
Capital invested by funds: $225M → $230M (+$5.47M)
0.77% more ownership
Funds ownership: 74.4% → 75.18% (+0.77%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$933K |
| 2 |
Baird Financial Group
Milwaukee,
Wisconsin
|
+$813K |
| 3 |
SCM
Shaolin Capital Management
Miami,
Florida
|
+$734K |
| 4 |
MC
Meteora Capital
Boca Raton,
Florida
|
+$710K |
| 5 |
SG
StoneX Group
New York
|
+$524K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SC
Sculptor Capital
New York
|
-$1.44M |
| 2 |
WAM
Wolverine Asset Management
Chicago,
Illinois
|
-$1.05M |
| 3 |
PC
Periscope Capital
Toronto,
Ontario, Canada
|
-$538K |
| 4 |
SSA
Schonfeld Strategic Advisors
New York
|
-$499K |
| 5 |
MSU
Mizuho Securities USA
New York
|
-$324K |
ATII Hedge Fund Activity: Q4 2025 in Review
49 of the 8,274 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners II Co (ATII) for Q4 2025, worth a combined $230M — up 2.4% from $225M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new ATII positions and 0 closed out — a net gain of 3 holders — while 11 added to existing stakes and 9 trimmed.
The largest buyer was Rivernorth Capital Management, adding an estimated $933K. The largest seller was Sculptor Capital, cutting an estimated $1.44M.
- 49 institutional investors held Archimedes Tech SPAC Partners II Co (ATII) as of Q4 2025, up from 46 in Q3 2025.
- Funds reported $230M of Archimedes Tech SPAC Partners II Co stock for Q4 2025, up 2.4% quarter-over-quarter.
- 3 funds opened new Archimedes Tech SPAC Partners II Co positions in Q4 2025 and 0 closed out, a net change of +3 holders.
- The largest Archimedes Tech SPAC Partners II Co buyer in Q4 2025 was Rivernorth Capital Management, an estimated $933K added.
- The largest Archimedes Tech SPAC Partners II Co seller in Q4 2025 was Sculptor Capital, an estimated $1.44M sold.
Based on aggregated 13F filings for Q4 2025.