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AIIA.U

AI Infrastructure Acquisition Corp Units
AIIA.U

21 hedge funds and large institutions have $44.5M invested in AI Infrastructure Acquisition Corp Units in 2025 Q4 according to their latest regulatory filings, with 21 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
21
Holders Change
+21
Holders Change %
–
% of All Funds
0.25%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
21
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$6.09M
2
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
+$6.09M
3
RCM
Rivernorth Capital Management
Florida
+$5.34M
4
HIM
HGC Investment Management
Ontario, Canada
+$4.06M
5
WCMNY
Westchester Capital Management (New York)
New York
+$4.06M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Toronto Dominion Bank
1
Toronto Dominion Bank
Ontario, Canada
$6.11M +$6.09M +600,100 New
Hudson Bay Capital Management
2
Hudson Bay Capital Management
Connecticut
$6.11M +$6.09M +600,000 New
RCM
3
Rivernorth Capital Management
Florida
$5.36M +$5.34M +526,500 New
HIM
4
HGC Investment Management
Ontario, Canada
$4.07M +$4.06M +400,000 New
WCMNY
5
Westchester Capital Management (New York)
New York
$4.07M +$4.06M +400,000 New
HCM
6
Heights Capital Management
California
$3.05M +$3.04M +300,000 New
Point72 Asset Management
7
Point72 Asset Management
Connecticut
$2.51M +$2.5M +246,180 New
LP
8
LMR Partners
United Kingdom
$2.04M +$2.03M +200,000 New
LGM
9
L1 Global Manager
$1.78M +$1.78M +175,000 New
OAC
10
OMERS Administration Corp
Ontario, Canada
$1.68M +$1.68M +165,438 New
GCIA
11
Gabelli & Co Investment Advisers
New York
$1.32M +$1.31M +129,600 New
BI
12
Bulldog Investors
New Jersey
$1.31M +$1.3M +128,529 New
GF
13
Gabelli Funds
New York
$1.16M +$1.15M +113,800 New
QL
14
Quarry LP
New York
$764K +$761K +75,000 New
AGM
15
Alpine Global Management
New York
$754K +$751K +74,051 New
YCM
16
Yakira Capital Management
Connecticut
$662K +$659K +65,000 New
CS
17
Clear Street
New York
$539K +$537K +52,901 New
SIM
18
Sandia Investment Management
Massachusetts
$509K +$507K +50,000 New
JP Morgan Chase
19
JP Morgan Chase
New York
$407K +$406K +40,000 New
Susquehanna International Group
20
Susquehanna International Group
Pennsylvania
$300K +$299K +29,439 New
UBS Group
21
UBS Group
Switzerland
$2.89K +$2.88K +284 New

AIIA.U Hedge Fund Activity: Q4 2025 in Review

21 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in AI Infrastructure Acquisition Corp Units (AIIA.U) for Q4 2025, worth a combined $44.5M.

Buyers outnumbered sellers: 21 funds opened new AIIA.U positions and 0 closed out — a net gain of 21 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Toronto Dominion Bank, opening a new position worth an estimated $6.09M.

  • 21 institutional investors held AI Infrastructure Acquisition Corp Units (AIIA.U) as of Q4 2025, up from 0 in Q3 2025.
  • Funds reported $44.5M of AI Infrastructure Acquisition Corp Units stock for Q4 2025.
  • 21 funds opened new AI Infrastructure Acquisition Corp Units positions in Q4 2025 and 0 closed out, a net change of +21 holders.
  • The largest AI Infrastructure Acquisition Corp Units buyer in Q4 2025 was Toronto Dominion Bank, an estimated $6.09M added.

Based on aggregated 13F filings for Q4 2025.