StoneBridge Acquisition II Corp Units
APACU
6 hedge funds and large institutions have $3.14M invested in StoneBridge Acquisition II Corp Units in 2026 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 5 closing their positions.
17.58% less ownership
Funds ownership: 23.56% → 5.98% (-18%)
45% less funds holding
Funds holding: 11 → 6 (-5)
50% less repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 2
74% less capital invested
Capital invested by funds: $12.2M → $3.14M (-$9.04M)
80% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 5
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CS
Clear Street
New York
|
+$162K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$326 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
-$4.96M |
| 2 |
MP
Mangrove Partners
Greenwich,
Connecticut
|
-$2.26M |
| 3 |
CA
Crossingbridge Advisors
Pleasantville,
New York
|
-$753K |
| 4 |
HCM
Heights Capital Management
San Francisco,
California
|
-$509K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$144K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
| $1.24M | -$5.34K | -525 | -0.4% |
|
|
YCM
2
Yakira Capital Management
Westport,
Connecticut
| $649K | -$13.6K | -1,340 | -2% |
|
|
QL
3
Quarry LP
New York
| $612K | – | – | – |
|
|
LPC
4
Lineage Point Capital
Palm Beach,
Florida
| $406K | – | – | – |
|
|
CS
5
Clear Street
New York
| $232K | +$162K | +15,933 | +235% |
|
|
6
UBS Group
Zurich,
Switzerland
| $326 | +$326 | +32 | New |
|
|
RCM
7
Rivernorth Capital Management
West Palm Beach,
Florida
| – | -$4.96M | -494,517 | Closed |
|
|
MP
8
Mangrove Partners
Greenwich,
Connecticut
| – | -$2.26M | -225,000 | Closed |
|
|
CA
9
Crossingbridge Advisors
Pleasantville,
New York
| – | -$753K | -75,000 | Closed |
|
|
HCM
10
Heights Capital Management
San Francisco,
California
| – | -$509K | -50,500 | Closed |
|
|
11
Citadel Advisors
Miami,
Florida
| – | -$144K | -14,310 | Closed |
|
APACU Hedge Fund Activity: Q1 2026 in Review
6 of the 8,160 institutional investors tracked by Wall St. Rank reported a position in StoneBridge Acquisition II Corp Units (APACU) for Q1 2026, worth a combined $3.14M — down 74% from $12.2M a quarter earlier.
Sellers outnumbered buyers: 5 funds closed out of APACU and 1 opened new positions — a net loss of 4 holders — while 2 trimmed existing stakes and 1 added.
The largest buyer was Clear Street, adding an estimated $162K. The largest seller was Rivernorth Capital Management, exiting entirely with an estimated $4.96M sold.
- 6 institutional investors held StoneBridge Acquisition II Corp Units (APACU) as of Q1 2026, down from 11 in Q4 2025.
- Funds reported $3.14M of StoneBridge Acquisition II Corp Units stock for Q1 2026, down 74% quarter-over-quarter.
- 1 fund opened new StoneBridge Acquisition II Corp Units positions in Q1 2026 and 5 closed out, a net change of -4 holders.
- The largest StoneBridge Acquisition II Corp Units buyer in Q1 2026 was Clear Street, an estimated $162K added.
- The largest StoneBridge Acquisition II Corp Units seller in Q1 2026 was Rivernorth Capital Management, an estimated $4.96M sold.
Based on aggregated 13F filings for Q1 2026.