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OACCU

Oaktree Acquisition Corp III Life Sciences Unit
OACCU

11 hedge funds and large institutions have $29.7M invested in Oaktree Acquisition Corp III Life Sciences Unit in 2025 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

29.11% less ownership

Funds ownership: 43.52% → 14.41% (-29%)

42% less funds holding

Funds holding: 19 → 11 (-8)

50% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 2

66% less capital invested

Capital invested by funds: $87.3M → $29.7M (-$57.6M)

80% less first-time investments, than exits

New positions opened: 2 | Existing positions closed: 10

100% less funds holding in top 10

Funds holding in top 10: 1 → 0 (-1)

Holders
11
Holders Change
-8
Holders Change %
-42.11%
% of All Funds
0.15%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
2
Increased
1
Reduced
2
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
LIP
Lighthouse Investment Partners
Florida
+$3.06M
2
ACM
ADAR1 Capital Management
Texas
+$168K
3
CS
Clear Street
New York
+$12.6K

Top Sellers

Rank Fund Capital Flow
1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$17.3M
2
DCM
Driehaus Capital Management
Illinois
-$9.11M
3
LA
Linden Advisors
New York
-$6.09M
4
SSA
Schonfeld Strategic Advisors
New York
-$4.83M
5
LP
LMR Partners
United Kingdom
-$4.81M
Name Holding Trade Value Shares
Change 		Change in
Stake
Millennium Management
1
Millennium Management
New York
$5.53M -$4.31M -422,564 -44%
MCM
2
Moore Capital Management
New York
$5.45M – – –
ACM
3
ADAR1 Capital Management
Texas
$5.39M +$168K +16,482 +3%
SSA
4
Schonfeld Strategic Advisors
New York
$3.84M -$4.83M -473,206 -56%
LIP
5
Lighthouse Investment Partners
Florida
$3.13M +$3.06M +300,000 New
WA
6
Whitebox Advisors
Minnesota
$2.61M – – –
AAA
7
Affinity Asset Advisors
New York
$2.6M – – –
Citigroup
8
Citigroup
New York
$528K – – –
AC
9
Athos Capital
Hong Kong
$522K – – –
UBS Group
10
UBS Group
Switzerland
$99K – – –
CS
11
Clear Street
New York
$12.9K +$12.6K +1,232 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
12
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$17.3M -1,700,000 Closed
DCM
13
Driehaus Capital Management
Illinois
– -$9.11M -900,000 Closed
LA
14
Linden Advisors
New York
– -$6.09M -600,000 Closed
LP
15
LMR Partners
United Kingdom
– -$4.81M -475,000 Closed
GCM
16
Ghisallo Capital Management
Massachusetts
– -$4.56M -450,000 Closed
Hudson Bay Capital Management
17
Hudson Bay Capital Management
Connecticut
– -$4.57M -450,000 Closed
PC
18
Periscope Capital
Ontario, Canada
– -$4.56M -450,000 Closed
PMAM
19
Picton Mahoney Asset Management
Ontario, Canada
– -$760K -75,000 Closed
KC
20
Kepos Capital
New York
– -$709K -70,000 Closed
RC
21
Rangeley Capital
Connecticut
– -$101K -10,000 Closed

OACCU Hedge Fund Activity: Q1 2025 in Review

11 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Oaktree Acquisition Corp III Life Sciences Unit (OACCU) for Q1 2025, worth a combined $29.7M — down 66% from $87.3M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of OACCU and 2 opened new positions — a net loss of 8 holders — while 2 trimmed existing stakes and 1 added.

The largest buyer was Lighthouse Investment Partners, opening a new position worth an estimated $3.06M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, exiting entirely with an estimated $17.3M sold.

  • 11 institutional investors held Oaktree Acquisition Corp III Life Sciences Unit (OACCU) as of Q1 2025, down from 19 in Q4 2024.
  • Funds reported $29.7M of Oaktree Acquisition Corp III Life Sciences Unit stock for Q1 2025, down 66% quarter-over-quarter.
  • 2 funds opened new Oaktree Acquisition Corp III Life Sciences Unit positions in Q1 2025 and 10 closed out, a net change of -8 holders.
  • The largest Oaktree Acquisition Corp III Life Sciences Unit buyer in Q1 2025 was Lighthouse Investment Partners, an estimated $3.06M added.
  • The largest Oaktree Acquisition Corp III Life Sciences Unit seller in Q1 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $17.3M sold.

Based on aggregated 13F filings for Q1 2025.