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OACC

Oaktree Acquisition Corp III Life Sciences

39 hedge funds and large institutions have $153M invested in Oaktree Acquisition Corp III Life Sciences in 2025 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 3 increasing their positions, 7 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

475% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 4

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

95% more funds holding

Funds holding: 2039 (+19)

71% more capital invested

Capital invested by funds: $89.8M → $153M (+$63.4M)

30.36% more ownership

Funds ownership: 45.45%75.81% (+30%)

57% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 7

Holders
39
Holders Change
+19
Holders Change %
+95%
% of All Funds
0.52%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
23
Increased
3
Reduced
7
Closed
4
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AA
1
AQR Arbitrage
Connecticut
$14.8M -$5.31M -529,535 -27%
DCM
2
Driehaus Capital Management
Illinois
$9.18M +$9.03M +900,000 New
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$8.79M +$8.65M +861,625 New
BGIM
4
Boussard & Gavaudan Investment Management
United Kingdom
$7.67M
DAM
5
Decagon Asset Management
United Kingdom
$7.33M +$70.4K +7,016 +1%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
6
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$7.14M +$7.03M +700,000 New
LA
7
Linden Advisors
New York
$6.12M +$6.02M +600,000 New
Goldman Sachs
8
Goldman Sachs
New York
$5.42M +$5.31M +529,535 New
LP
9
LMR Partners
United Kingdom
$5.23M +$5.13M +510,900 New
HCI
10
Harraden Circle Investments
New York
$5.14M +$5.04M +502,500 New
Toronto Dominion Bank
11
Toronto Dominion Bank
Ontario, Canada
$4.96M -$9.54M -950,542 -66%
Millennium Management
12
Millennium Management
New York
$4.85M +$4.76M +473,914 New
UOC
13
UBS O'Connor
Illinois
$4.6M
LIP
14
Lighthouse Investment Partners
Florida
$4.6M +$1.51M +150,000 +50%
GCM
15
Ghisallo Capital Management
Massachusetts
$4.59M +$4.52M +450,000 New
Hudson Bay Capital Management
16
Hudson Bay Capital Management
Connecticut
$4.59M +$4.52M +450,000 New
Two Sigma Investments
17
Two Sigma Investments
New York
$4.48M
PC
18
Periscope Capital
Ontario, Canada
$4.39M +$4.31M +429,000 New
GAM
19
Gritstone Asset Management
Maryland
$4.08M -$13.7K -1,366 -0.3%
GCL
20
Glazer Capital LLC
New York
$3.96M +$3.89M +387,597 New
SSA
21
Schonfeld Strategic Advisors
New York
$3.67M +$3.61M +359,200 New
DAM
22
DLD Asset Management
New York
$3.58M +$1.76M +175,000 +100%
TCM
23
Tenor Capital Management
New York
$3.07M
ECM
24
ExodusPoint Capital Management
New York
$3M -$68.7K -6,847 -2%
COPPSERS
25
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.81M +$2.76M +275,170 New

OACC Hedge Fund Activity: Q1 2025 in Review

39 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Oaktree Acquisition Corp III Life Sciences (OACC) for Q1 2025, worth a combined $153M — up 71% from $89.8M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new OACC positions and 4 closed out — a net gain of 19 holders — while 3 added to existing stakes and 7 trimmed.

The largest buyer was Driehaus Capital Management, opening a new position worth an estimated $9.03M. The largest seller was Toronto Dominion Bank, cutting an estimated $9.54M.

  • 39 institutional investors held Oaktree Acquisition Corp III Life Sciences (OACC) as of Q1 2025, up from 20 in Q4 2024.
  • Funds reported $153M of Oaktree Acquisition Corp III Life Sciences stock for Q1 2025, up 71% quarter-over-quarter.
  • 23 funds opened new Oaktree Acquisition Corp III Life Sciences positions in Q1 2025 and 4 closed out, a net change of +19 holders.
  • The largest Oaktree Acquisition Corp III Life Sciences buyer in Q1 2025 was Driehaus Capital Management, an estimated $9.03M added.
  • The largest Oaktree Acquisition Corp III Life Sciences seller in Q1 2025 was Toronto Dominion Bank, an estimated $9.54M sold.

Based on aggregated 13F filings for Q1 2025.