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Tourmaline Bio
TRML

Overview Fund Activity

108 hedge funds and large institutions have $385M invested in Tourmaline Bio in 2025 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 34 increasing their positions, 31 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
108
Holders Change
+1
Holders Change %
+0.93%
% of All Funds
1.45%
Holding in Top 10
6
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.08%
New
19
Increased
34
Reduced
31
Closed
18
Calls
$5K
Puts
$1K
Net Calls
+$4K
Net Calls Change
-$2.99M

Top Buyers

1
QF
1
QVT Financial
New York
$34.5M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.03M
3
Pictet Asset Management
3
Pictet Asset Management
Switzerland
$10.9M
4
NFT
4
Nan Fung Trinity
Hong Kong
$3.63M
5
ACA
5
Avoro Capital Advisors
New York
$40.9M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$0
2
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$2.17M
3
NFGH
3
Nan Fung Group Holdings
Hong Kong
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$918K
5
BlackRock
5
BlackRock
New York
$26.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
ACA
1
Avoro Capital Advisors
New York
$40.9M +$2.09M +130,555 +5%
RCM
2
RA Capital Management
Massachusetts
$40.6M – – –
QF
3
QVT Financial
New York
$34.5M +$10.9M +681,284 +46%
BlackRock
4
BlackRock
New York
$26.1M -$2.53M -158,266 -9%
TCM
5
TCG Crossover Management
California
$23.6M – – –
P
6
Pfizer
New York
$20.3M – – –
Vanguard Group
7
Vanguard Group
Pennsylvania
$19.3M +$259K +16,225 +1%
BOCH
8
Blue Owl Capital Holdings
New York
$15.9M -$640K -40,000 -4%
OCA
9
Octagon Capital Advisors
New York
$14.5M – – –
QUSVM
10
Qiming U.S. Ventures Management
Washington
$11.9M – – –
Pictet Asset Management
11
Pictet Asset Management
Switzerland
$10.9M +$4.19M +262,246 +62%
Balyasny Asset Management
12
Balyasny Asset Management
Illinois
$9.67M +$185K +11,586 +2%
VC
13
Vivo Capital
California
$9.46M – – –
NCM
14
Nantahala Capital Management
Connecticut
$8.93M +$406K +25,363 +5%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$7.47M -$464K -29,033 -6%
State Street
16
State Street
Massachusetts
$7.35M +$167K +10,450 +2%
VCIM
17
Velan Capital Investment Management
Georgia
$6.3M -$984K -61,523 -14%
Morgan Stanley
18
Morgan Stanley
New York
$5.8M +$1.23M +76,991 +27%
SSA
19
Schonfeld Strategic Advisors
New York
$5.65M +$860K +53,775 +18%
Point72 Asset Management
20
Point72 Asset Management
Connecticut
$5.03M +$5.03M +314,580 New
ACP
21
Acuta Capital Partners
California
$4.54M -$2.29M -143,200 -34%
Millennium Management
22
Millennium Management
New York
$3.9M -$398K -24,862 -9%
Alyeska Investment Group
23
Alyeska Investment Group
Illinois
$3.9M +$2.06M +128,691 +112%
UBS Group
24
UBS Group
Switzerland
$3.67M +$91.4K +5,717 +3%
NFT
25
Nan Fung Trinity
Hong Kong
$3.63M +$3.63M +227,090 New
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