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OACC

Oaktree Acquisition Corp III Life Sciences
OACC

47 hedge funds and large institutions have $172M invested in Oaktree Acquisition Corp III Life Sciences in 2025 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 8 increasing their positions, 11 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

267% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 3

21% more funds holding

Funds holding: 39 → 47 (+8)

13% more capital invested

Capital invested by funds: $153M → $172M (+$19.3M)

7.5% more ownership

Funds ownership: 75.81% → 83.31% (+7.5%)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

27% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 11

Holders
47
Holders Change
+8
Holders Change %
+20.51%
% of All Funds
0.62%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
11
Increased
8
Reduced
11
Closed
3
Calls
$38K
Puts
–
Net Calls
+$38K
Net Calls Change
+$38K

Top Buyers

Rank Fund Capital Flow
1
HighTower Advisors
HighTower Advisors
Illinois
+$5.7M
2
MCM
Moore Capital Management
New York
+$5.45M
3
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$5.19M
4
LIP
Lighthouse Investment Partners
Florida
+$4.15M
5
GL
Governors Lane
New York
+$3.11M

Top Sellers

Rank Fund Capital Flow
1
HCI
Harraden Circle Investments
New York
-$5.14M
2
ECM
ExodusPoint Capital Management
New York
-$3M
3
DAM
DLD Asset Management
New York
-$2.59M
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$2.59M
5
UOC
UBS O'Connor
Illinois
-$2.59M
Name Holding Trade Value Shares
Change 		Change in
Stake
Millennium Management
26
Millennium Management
New York
$2.86M -$2.07M -200,000 -42%
WA
27
Whitebox Advisors
Minnesota
$2.61M +$2.59M +250,000 New
UOC
28
UBS O'Connor
Illinois
$2.1M -$2.59M -250,000 -56%
JP Morgan Chase
29
JP Morgan Chase
New York
$2.09M +$2.07M +199,776 New
KPF
30
K2 Principal Fund
Ontario, Canada
$2.04M – – –
SCM
31
Shaolin Capital Management
Florida
$2.04M -$573K -55,238 -22%
MSU
32
Mizuho Securities USA
New York
$1.66M -$415K -40,009 -20%
Verition Fund Management
33
Verition Fund Management
Connecticut
$1.59M +$49.5K +4,774 +3%
DAM
34
DLD Asset Management
New York
$1.04M -$2.59M -250,000 -71%
WRBC
35
W.R. Berkley Corp
Connecticut
$1.04M – – –
RCM
36
Radcliffe Capital Management
Pennsylvania
$856K +$850K +81,913 New
PMAM
37
Picton Mahoney Asset Management
Ontario, Canada
$783K – – –
KC
38
Kepos Capital
New York
$575K – – –
MC
39
Meteora Capital
Florida
$517K +$513K +49,500 New
VF
40
Virtu Financial
New York
$493K +$488K +47,048 New
CC
41
Centiva Capital
New York
$423K – – –
FLC
42
Fifth Lane Capital
Texas
$356K +$353K +34,000 New
CS
43
Clear Street
New York
$230K +$166K +15,975 +265%
BI
44
Bulldog Investors
New Jersey
$141K – – –
BHMP
45
Bardin Hill Management Partners
New York
$129K +$128K +12,305 New
Morgan Stanley
46
Morgan Stanley
New York
$585 +$31 +3 +6%
UBS Group
47
UBS Group
Switzerland
$105 +$104 +10 New
HCI
48
Harraden Circle Investments
New York
– -$5.14M -502,500 Closed
ECM
49
ExodusPoint Capital Management
New York
– -$3M -293,153 Closed
Citadel Advisors
50
Citadel Advisors
Florida
– -$152K -14,904 Closed
1
2

OACC Hedge Fund Activity: Q2 2025 in Review

47 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Oaktree Acquisition Corp III Life Sciences (OACC) for Q2 2025, worth a combined $172M — up 13% from $153M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new OACC positions and 3 closed out — a net gain of 8 holders — while 8 added to existing stakes and 11 trimmed.

The largest buyer was HighTower Advisors, adding an estimated $5.7M. The largest seller was Harraden Circle Investments, exiting entirely with an estimated $5.14M sold.

  • 47 institutional investors held Oaktree Acquisition Corp III Life Sciences (OACC) as of Q2 2025, up from 39 in Q1 2025.
  • Funds reported $172M of Oaktree Acquisition Corp III Life Sciences stock for Q2 2025, up 13% quarter-over-quarter.
  • 11 funds opened new Oaktree Acquisition Corp III Life Sciences positions in Q2 2025 and 3 closed out, a net change of +8 holders.
  • The largest Oaktree Acquisition Corp III Life Sciences buyer in Q2 2025 was HighTower Advisors, an estimated $5.7M added.
  • The largest Oaktree Acquisition Corp III Life Sciences seller in Q2 2025 was Harraden Circle Investments, an estimated $5.14M sold.

Based on aggregated 13F filings for Q2 2025.