Tourmaline Bio, Inc.

Historical 13F Holders

Symbol
TRML
CUSIP
89157D105
All holders as of
Q3 2025
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 89157D105 since 12/18/2024, newest first.

Filer % of Class Filed
RA Capital Management, L.P. 13G/A Amendment 2
0% 11/14/2025
Event 9/30/2025
BlackRock, Inc. 13G/A Amendment 1 5.5% 10/17/2025
Event 9/30/2025
QVT Financial LP 13G/A Amendment 1 8.4% 8/14/2025
Event 6/30/2025
Avoro Capital Advisors LLC 13G/A Amendment 1
10.0% 8/14/2025
Event 6/30/2025
QVT Financial LP 13G 5.7% 5/15/2025
Event 3/31/2025
Blue Owl Capital Holdings LP 13G/A Amendment 2 4.2% 2/14/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2025 Q3 142 21.6 M $1.03 B
2025 Q2 112 24.2 M $387 M
2025 Q1 115 23.9 M $364 M
2024 Q4 105 22.9 M $464 M
2024 Q3 95 21.0 M $540 M
2024 Q2 91 22.2 M $285 M
2024 Q1 109 20.6 M $471 M
2023 Q4 59 13.4 M $349 M