Archimedes Tech SPAC Partners II Co Unit
ATIIU
4 hedge funds and large institutions have $2.37M invested in Archimedes Tech SPAC Partners II Co Unit in 2025 Q4 according to their latest regulatory filings, with funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 2 closing their positions.
0% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 2
0.45% less ownership
Funds ownership: 1.53% → 1.08% (-0.45%)
31% less capital invested
Capital invested by funds: $3.46M → $2.37M (-$1.09M)
33% less funds holding
Funds holding: 6 → 4 (-2)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CS
Clear Street
New York
|
+$392K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$64 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
-$940K |
| 2 |
JP Morgan Chase
New York
|
-$408K |
| 3 |
Jane Street
New York
|
-$117 |
| 4 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
-$13 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
JP Morgan Chase
New York
| $1.06M | -$408K | -38,380 | -28% |
|
|
CS
2
Clear Street
New York
| $784K | +$392K | +36,892 | +98% |
|
|
3
Jane Street
New York
| $488K | -$117 | -11 | -0% |
|
|
4
UBS Group
Zurich,
Switzerland
| $43.1K | +$64 | +6 | +0.1% |
|
|
RCM
5
Rivernorth Capital Management
West Palm Beach,
Florida
| – | -$940K | -92,135 | Closed |
|
|
6
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
| – | -$13 | -1 | Closed |
|
ATIIU Hedge Fund Activity: Q4 2025 in Review
4 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners II Co Unit (ATIIU) for Q4 2025, worth a combined $2.37M — down 31% from $3.46M a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of ATIIU and 0 opened new positions — a net loss of 2 holders — while 2 trimmed existing stakes and 2 added.
The largest buyer was Clear Street, adding an estimated $392K. The largest seller was Rivernorth Capital Management, exiting entirely with an estimated $940K sold.
- 4 institutional investors held Archimedes Tech SPAC Partners II Co Unit (ATIIU) as of Q4 2025, down from 6 in Q3 2025.
- Funds reported $2.37M of Archimedes Tech SPAC Partners II Co Unit stock for Q4 2025, down 31% quarter-over-quarter.
- 0 funds opened new Archimedes Tech SPAC Partners II Co Unit positions in Q4 2025 and 2 closed out, a net change of -2 holders.
- The largest Archimedes Tech SPAC Partners II Co Unit buyer in Q4 2025 was Clear Street, an estimated $392K added.
- The largest Archimedes Tech SPAC Partners II Co Unit seller in Q4 2025 was Rivernorth Capital Management, an estimated $940K sold.
Based on aggregated 13F filings for Q4 2025.