TRML icon

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

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
$0
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
$2.17M
3
NFGH
Nan Fung Group Holdings
Hong Kong
$0
4
Fidelity Investments
Fidelity Investments
Massachusetts
$918K
5
BlackRock
BlackRock
New York
$26.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Goldman Sachs
26
Goldman Sachs
New York
$2.87M +$1.55M +96,802 +117%
Northern Trust
27
Northern Trust
Illinois
$2.77M -$469K -29,306 -14%
Adage Capital Partners
28
Adage Capital Partners
Massachusetts
$2.17M -$5.83M -364,363 -73%
Bank of America
29
Bank of America
North Carolina
$2.04M -$1.75M -109,376 -46%
Royal Bank of Canada
30
Royal Bank of Canada
Ontario, Canada
$1.95M +$1.93M +120,464 +8,128%
SAM
31
Sectoral Asset Management
Quebec, Canada
$1.86M +$1.86M +116,510 New
Dimensional Fund Advisors
32
Dimensional Fund Advisors
Texas
$1.82M +$1.82M +113,891 New
SCM
33
Silverarc Capital Management
Massachusetts
$1.75M +$1.75M +109,257 New
SL
34
Siren LLC
Connecticut
$1.46M – – –
PCMH
35
Polymer Capital Management (HK)
Hong Kong
$1.39M – – –
WP
36
Woodline Partners
California
$1.36M -$1.2M -74,909 -47%
Wellington Management Group
37
Wellington Management Group
Massachusetts
$1.3M +$101K +6,337 +8%
NL
38
Nuveen LLC
North Carolina
$1.15M -$95.2K -5,951 -8%
IC
39
Ikarian Capital
Texas
$1.09M – – –
SG Americas Securities
40
SG Americas Securities
New York
$1.04M +$463K +28,976 +80%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$918K -$2.98M -186,284 -76%
Charles Schwab
42
Charles Schwab
California
$907K -$146K -9,148 -14%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$906K -$64.7K -4,049 -7%
SPS
44
Susquehanna Portfolio Strategies
Pennsylvania
$817K +$817K +51,119 New
Barclays
45
Barclays
United Kingdom
$709K +$201K +12,546 +39%
HighTower Advisors
46
HighTower Advisors
Illinois
$677K -$177K -11,073 -21%
American Century Companies
47
American Century Companies
Missouri
$649K +$72.7K +4,546 +13%
Verition Fund Management
48
Verition Fund Management
Connecticut
$640K +$640K +40,030 New
Brown Advisory
49
Brown Advisory
Maryland
$635K – – –
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$513K -$264K -16,511 -34%
1
2
3 4 5