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HCMAU

HCM III Acquisition Corp Units
HCMAU

38 hedge funds and large institutions have $83.8M invested in HCM III Acquisition Corp Units in 2025 Q3 according to their latest regulatory filings, with 38 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

36.95% more ownership

Funds ownership: 0% → 36.95% (+37%)

Holders
38
Holders Change
+38
Holders Change %
–
% of All Funds
0.5%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
38
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
+$10.2M
2
MF
Magnetar Financial
Illinois
+$10.2M
3
MI
MMCAP International
Cayman Islands
+$10.2M
4
MTCM
Mint Tower Capital Management
Netherlands
+$7.63M
5
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$5.6M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
HF
26
HRT Financial
New York
$501K +$495K +48,617 New
GGI
27
Galaxy Group Investments
New York
$463K +$457K +44,900 New
HCM
28
Heights Capital Management
California
$380K +$375K +36,855 New
BCM
29
BCK Capital Management
Connecticut
$335K +$330K +32,459 New
WCMNY
30
Westchester Capital Management (New York)
New York
$258K +$254K +25,000 New
AC
31
Aristeia Capital
Connecticut
$258K +$254K +25,000 New
ASM
32
ATW SPAC Management
New York
$258K +$254K +25,000 New
BFM
33
Boothbay Fund Management
New York
$258K +$254K +25,000 New
RAM
34
Readystate Asset Management
Illinois
$103K +$102K +10,000 New
PCM
35
PenderFund Capital Management
British Columbia, Canada
$10.3K +$10.2K +1,000 New
FIA
36
FNY Investment Advisers
New York
$8K +$7.96K +782 New
UBS Group
37
UBS Group
Switzerland
$3.75K +$3.7K +364 New
PMAM
38
Picton Mahoney Asset Management
Ontario, Canada
– +$51 +5 New
1
2

HCMAU Hedge Fund Activity: Q3 2025 in Review

38 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in HCM III Acquisition Corp Units (HCMAU) for Q3 2025, worth a combined $83.8M.

Buyers outnumbered sellers: 38 funds opened new HCMAU positions and 0 closed out — a net gain of 38 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, opening a new position worth an estimated $10.2M.

  • 38 institutional investors held HCM III Acquisition Corp Units (HCMAU) as of Q3 2025, up from 0 in Q2 2025.
  • Funds reported $83.8M of HCM III Acquisition Corp Units stock for Q3 2025.
  • 38 funds opened new HCM III Acquisition Corp Units positions in Q3 2025 and 0 closed out, a net change of +38 holders.
  • The largest HCM III Acquisition Corp Units buyer in Q3 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $10.2M added.

Based on aggregated 13F filings for Q3 2025.