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OACC

Oaktree Acquisition Corp III Life Sciences
OACC

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: 49 → 51 (+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: 2 → 2 (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
–

Top Buyers

Rank Fund Capital Flow
1
FBCM
Fort Baker Capital Management
California
+$10.6M
2
DAM
Decagon Asset Management
United Kingdom
+$3.48M
3
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$868K
4
RC
Rangeley Capital
Connecticut
+$225K
5
Citadel Advisors
Citadel Advisors
Florida
+$109K

Top Sellers

Rank Fund Capital Flow
1
DCM
Driehaus Capital Management
Illinois
-$7.12M
2
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$1.9M
3
HighTower Advisors
HighTower Advisors
Illinois
-$1.24M
4
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
-$1.06M
5
Millennium Management
Millennium Management
New York
-$1.05M
Name Holding Trade Value Shares
Change 		Change in
Stake
TCM
26
Tenor Capital Management
New York
$3.17M – – –
OCAI
27
O'Connor Alternative Investments
New York
$3.17M +$3.19M +300,000 New
COPPSERS
28
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.65M – – –
WA
29
Whitebox Advisors
Minnesota
$2.65M – – –
LPC
30
Lineage Point Capital
Florida
$2.47M +$32 +3 +0%
WRBC
31
W.R. Berkley Corp
Connecticut
$2.37M – – –
KPF
32
K2 Principal Fund
Ontario, Canada
$2.07M – – –
MC
33
Meteora Capital
Florida
$1.93M -$94.6K -8,885 -5%
Millennium Management
34
Millennium Management
New York
$1.85M -$1.05M -98,914 -36%
DAM
35
DLD Asset Management
New York
$1.45M +$12.8K +1,200 +0.9%
SSA
36
Schonfeld Strategic Advisors
New York
$1.17M -$53.9K -5,067 -4%
BNP Paribas Financial Markets
37
BNP Paribas Financial Markets
France
$862K +$868K +81,520 New
PMAM
38
Picton Mahoney Asset Management
Ontario, Canada
$794K – – –
UBS Group
39
UBS Group
Switzerland
$759K -$306K -28,718 -29%
JP Morgan Chase
40
JP Morgan Chase
New York
$528K +$383 +36 +0.1%
Citigroup
41
Citigroup
New York
$478K – – –
RC
42
Rangeley Capital
Connecticut
$424K +$225K +21,156 +53%
RAM
43
Readystate Asset Management
Illinois
$266K – – –
MSU
44
Mizuho Securities USA
New York
$264K – – –
CS
45
Clear Street
New York
$222K – – –
Geode Capital Management
46
Geode Capital Management
Massachusetts
$162K – – –
KC
47
Kepos Capital
New York
$159K – – –
BI
48
Bulldog Investors
New Jersey
$143K – – –
Citadel Advisors
49
Citadel Advisors
Florida
$109K +$109K +10,253 New
WAM
50
Warberg Asset Management
Illinois
$106K +$107K +10,025 New
1
2
3

OACC Hedge Fund Activity: Q1 2026 in Review

51 of the 8,127 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.