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Tourmaline Bio
TRML

Overview Fund Activity

107 hedge funds and large institutions have $384M invested in Tourmaline Bio in 2025 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 34 increasing their positions, 30 reducing their positions, and 18 closing their positions.

Holders
107
Holders Change
–
Holders Change %
0%
% of All Funds
1.44%
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
30
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 Market Value Shares Shares
Change 		Shares
Change %
Goldman Sachs
26
Goldman Sachs
New York
$2.87M 179,721 +96,802 +117%
Northern Trust
27
Northern Trust
Illinois
$2.77M 173,276 -29,306 -14%
Adage Capital Partners
28
Adage Capital Partners
Massachusetts
$2.17M 135,637 -364,363 -73%
Bank of America
29
Bank of America
North Carolina
$2.04M 127,371 -109,376 -46%
Royal Bank of Canada
30
Royal Bank of Canada
Ontario, Canada
$1.95M 121,946 +120,464 +8,128%
SAM
31
Sectoral Asset Management
Quebec, Canada
$1.86M 116,510 +116,510 New
Dimensional Fund Advisors
32
Dimensional Fund Advisors
Texas
$1.82M 113,891 +113,891 New
SCM
33
Silverarc Capital Management
Massachusetts
$1.75M 109,257 +109,257 New
SL
34
Siren LLC
Connecticut
$1.46M 91,426 – –
PCMH
35
Polymer Capital Management (HK)
Hong Kong
$1.39M 86,934 – –
WP
36
Woodline Partners
California
$1.36M 85,177 -74,909 -47%
Wellington Management Group
37
Wellington Management Group
Massachusetts
$1.3M 81,076 +6,337 +8%
NL
38
Nuveen LLC
North Carolina
$1.15M 71,656 -5,951 -8%
IC
39
Ikarian Capital
Texas
$1.09M 67,927 – –
SG Americas Securities
40
SG Americas Securities
New York
$1.04M 65,156 +28,976 +80%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$918K 57,437 -186,284 -76%
Charles Schwab
42
Charles Schwab
California
$907K 56,702 -9,148 -14%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$906K 56,671 -4,049 -7%
SPS
44
Susquehanna Portfolio Strategies
Pennsylvania
$817K 51,119 +51,119 New
Barclays
45
Barclays
United Kingdom
$709K 44,341 +12,546 +39%
HighTower Advisors
46
HighTower Advisors
Illinois
$677K 42,345 -11,073 -21%
American Century Companies
47
American Century Companies
Missouri
$649K 40,564 +4,546 +13%
Verition Fund Management
48
Verition Fund Management
Connecticut
$640K 40,030 +40,030 New
Brown Advisory
49
Brown Advisory
Maryland
$635K 39,719 – –
RhumbLine Advisers
50
RhumbLine Advisers
Massachusetts
$480K 30,016 -3,017 -9%
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