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OACC

Oaktree Acquisition Corp III Life Sciences

51 hedge funds and large institutions have $179M invested in Oaktree Acquisition Corp III Life Sciences in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 8 increasing their positions, 11 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 2

4% more funds holding

Funds holding: 4951 (+2)

0.25% more ownership

Funds ownership: 85.19%85.44% (+0.25%)

0% more capital invested

Capital invested by funds: $179M → $179M (+$253K)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

27% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 11

Holders
51
Holders Change
+2
Holders Change %
+4.08%
% of All Funds
0.63%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
5
Increased
8
Reduced
11
Closed
2
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AA
1
AQR Arbitrage
Connecticut
$14.1M -$943K -88,575 -6%
DAM
2
Decagon Asset Management
United Kingdom
$10.6M +$3.48M +326,790 +48%
FBCM
3
Fort Baker Capital Management
California
$10.6M +$10.6M +1,000,000 New
ECP
4
Empyrean Capital Partners
California
$9.56M
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$9.15M
BGIM
6
Boussard & Gavaudan Investment Management
United Kingdom
$7.62M
LA
7
Linden Advisors
New York
$6.37M
SC
8
Sculptor Capital
New York
$5.62M +$2.87K +270 +0.1%
Goldman Sachs
9
Goldman Sachs
New York
$5.6M
MCM
10
Moore Capital Management
New York
$5.55M
LP
11
LMR Partners
United Kingdom
$5.41M
HighTower Advisors
12
HighTower Advisors
Illinois
$5.4M -$1.24M -116,193 -19%
AIMCA
13
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$5.31M
Toronto Dominion Bank
14
Toronto Dominion Bank
Ontario, Canada
$5.25M -$1.9M -178,547 -26%
GCM
15
Ghisallo Capital Management
Massachusetts
$4.78M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
16
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$4.78M
Two Sigma Investments
17
Two Sigma Investments
New York
$4.63M
GAM
18
Gritstone Asset Management
Maryland
$4.18M
RCM
19
Radcliffe Capital Management
Pennsylvania
$4.06M +$57.3K +5,380 +1%
GCL
20
Glazer Capital LLC
New York
$3.79M -$76.4K -7,178 -2%
PC
21
Periscope Capital
Ontario, Canada
$3.43M
SCM
22
Shaolin Capital Management
Florida
$3.33M -$639K -60,010 -16%
Verition Fund Management
23
Verition Fund Management
Connecticut
$3.24M -$50K -4,692 -2%
Hudson Bay Capital Management
24
Hudson Bay Capital Management
Connecticut
$3.19M -$1.06M -100,000 -25%
GL
25
Governors Lane
New York
$3.18M

OACC Hedge Fund Activity: Q1 2026 in Review

51 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Oaktree Acquisition Corp III Life Sciences (OACC) for Q1 2026, worth a combined $179M — up 0.14% from $179M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new OACC positions and 2 closed out — a net gain of 3 holders — while 8 added to existing stakes and 11 trimmed.

The largest buyer was Fort Baker Capital Management, opening a new position worth an estimated $10.6M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $7.12M sold.

  • 51 institutional investors held Oaktree Acquisition Corp III Life Sciences (OACC) as of Q1 2026, up from 49 in Q4 2025.
  • Funds reported $179M of Oaktree Acquisition Corp III Life Sciences stock for Q1 2026, up 0.14% quarter-over-quarter.
  • 5 funds opened new Oaktree Acquisition Corp III Life Sciences positions in Q1 2026 and 2 closed out, a net change of +3 holders.
  • The largest Oaktree Acquisition Corp III Life Sciences buyer in Q1 2026 was Fort Baker Capital Management, an estimated $10.6M added.
  • The largest Oaktree Acquisition Corp III Life Sciences seller in Q1 2026 was Driehaus Capital Management, an estimated $7.12M sold.

Based on aggregated 13F filings for Q1 2026.