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Tourmaline Bio, Inc.

TRMLDelisted Oct 28, 2025
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001827506

Tourmaline Bio, Inc. was delisted on Oct 28, 2025; its insiders filed their last Form 4 on Oct 28, 2025; 134 institutions reported holding it in 13F filings for Q3 2025, worth $1.03B in total; no superinvestor held it.

13F holders, Q2 2022

Institutional positions in Tourmaline Bio, Inc. as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
59
+9 vs. Q1 2022
Shares held
28.9M
−269.5K (−0.9%) vs. Q1 2022
Total value
$130.4M
−$156.4M (−54.5%) vs. Q1 2022
New holders
13
10 more added
Sold out
4
21 more reduced

1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TRML on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 59 institutions
Q1 2021: 0 institutionsQ2 2021: 50 institutionsQ3 2021: 48 institutionsQ4 2021: 51 institutionsQ1 2022: 51 institutionsQ2 2022: 59 institutionsQ3 2022: 56 institutionsQ4 2022: 54 institutionsQ1 2023: 54 institutionsQ2 2023: 58 institutionsQ3 2023: 49 institutionsQ4 2023: 54 institutionsQ1 2024: 96 institutionsQ2 2024: 84 institutionsQ3 2024: 92 institutionsQ4 2024: 101 institutionsQ1 2025: 107 institutionsQ2 2025: 109 institutionsQ3 2025: 134 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ2 2022: $130.4M
Q1 2021: $0Q2 2021: $379.4MQ3 2021: $349.4MQ4 2021: $456.7MQ1 2022: $286.9MQ2 2022: $130.4MQ3 2022: $72.1MQ4 2022: $27.4MQ1 2023: $50.6MQ2 2023: $79.7MQ3 2023: $77.1MQ4 2023: $338.2MQ1 2024: $469.9MQ2 2024: $272.0MQ3 2024: $540.7MQ4 2024: $463.6MQ1 2025: $364.3MQ2 2025: $384.8MQ3 2025: $1.03BQ4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding TRML and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 2025134$1.03B
Q2 2025109$384.8M
Q1 2025107$364.3M
Q4 2024101$463.6M
Q3 202492$540.7M
Q2 202484$272.0M
Q1 202496$469.9M
Q4 202354$338.2M
Q3 202349$77.1M
Q2 202358$79.7M
Q1 202354$50.6M
Q4 202254$27.4M
Q3 202256$72.1M
Q2 202259$130.4M
Q1 202251$286.9M
Q4 202151$456.7M
Q3 202148$349.4M
Q2 202150$379.4M
Q1 20210$0

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q1 2022.

Institutions holding TRML in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Blackstone Group Inc.8,089,315$36.5M0.12%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors3,289,617$14.8M0.07%00.0%Unchanged
Qiming U.S. Ventures Management, LLC2,932,606$13.2M18.36%00.0%Unchanged
Citadel Advisors LLC2,672,474$12.1M0.02%+8,881+0.3%Added
BlackRock Inc.2,520,605$11.4M0.00%+86,691+3.6%Added
Artal Group S.A.2,064,262$9.31M0.52%00.0%Unchanged
Eventide Asset Management, LLC1,561,092$7.04M0.15%00.0%Unchanged
Cormorant Asset Management, LP1,174,723$5.30M0.41%00.0%Unchanged
Vanguard Group Inc1,018,125$4.59M0.00%−12,617−1.2%Reduced
Aisling Capital Management LP682,923$3.08M2.20%00.0%Unchanged
State Street Corp328,795$1.48M0.00%+67,330+25.8%Added
Laurion Capital Management LP298,422$1.35M0.06%00.0%Unchanged
Geode Capital Management, LLC276,349$1.25M0.00%+5,485+2.0%Added
Logos Global Management LP270,987$1.22M0.22%−35,249−11.5%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)266,154$1.20M0.03%−432,643−61.9%Reduced
OrbiMed Advisors LLC235,995$1.06M0.02%−11,245−4.5%Reduced
Sectoral Asset Management Inc228,624$1.03M0.21%00.0%Unchanged
Woodline Partners LP206,056$929.0K0.02%00.0%Unchanged
Northern Trust Corp162,683$734.0K0.00%−1,659−1.0%Reduced
Nuveen Asset Management, LLC61,523$277.0K0.00%+20,000+48.2%Added
Altium Wealth Management LLC59,520$268.0K0.02%00.0%Unchanged
Bank of New York Mellon Corp58,694$265.0K0.00%−928−1.6%Reduced
Charles Schwab Investment Management Inc54,028$244.0K0.00%+1,970+3.8%Added
Bank of Montreal22,442$203.0K0.00%+22,442New
Ensign Peak Advisors, Inc42,833$193.0K0.00%−4,715−9.9%Reduced
Tudor Investment Corp Et Al42,491$192.0K0.01%−12,497−22.7%Reduced
Rhumbline Advisers31,713$143.0K0.00%+16,772+112.3%Added
Goldman Sachs Group Inc24,425$110.0K0.00%−396−1.6%Reduced
Morgan Stanley22,697$103.0K0.00%−11,521−33.7%Reduced
Dimensional Fund Advisors LP18,277$82.0K0.00%+18,277New
New York State Common Retirement Fund14,743$66.0K0.00%−51−0.3%Reduced
State Board of Administration of Florida Retirement System14,260$64.0K0.00%+14,260New
MetLife Investment Management13,923$62.8K0.00%+13,923New
JPMorgan Chase & Co13,693$62.0K0.00%−1,133−7.6%Reduced
Virtu Financial LLC12,399$56.0K0.00%+12,399New
BIT Capital GmbH7,467$55.5K0.01%+7,467New
Bank of America Corp11,689$53.0K0.00%+550+4.9%Added
Values First Advisors, Inc.11,677$53.0K0.04%+11,677New
American International Group, Inc.10,495$47.0K0.00%−87−0.8%Reduced
Deutsche Bank AG10,106$46.0K0.00%−1,468−12.7%Reduced
Manufacturers Life Insurance Company, The10,122$45.6K0.00%+10,122New
California State Teachers Retirement System9,589$43.0K0.00%+477+5.2%Added
Barclays PLC8,174$37.0K0.00%−3,406−29.4%Reduced
Tower Research Capital LLC (TRC)3,369$15.0K0.00%−4,644−58.0%Reduced
Amalgamated Bank2,793$13.0K0.00%−391−12.3%Reduced
Citigroup Inc2,305$10.0K0.00%+610+36.0%Added
Legal & General Group Plc1,991$9.00K0.00%−117−5.6%Reduced
STRS Ohio2,100$9.00K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)1,778$8.00K0.00%+1,778New
Metropolitan Life Insurance Co1,616$7.29K0.00%+1,616New
Ameritas Investment Partners, Inc.1,647$7.00K0.00%00.0%Unchanged
UBS Group AG825$4.00K0.00%+825New
Royal Bank of Canada126$1.00K0.00%−1,184−90.4%Reduced
Wells Fargo & Company196$1.00K0.00%−542−73.4%Reduced
FMR LLC120$1.00K0.00%−422−77.9%Reduced
Daiwa Securities Group Inc.121$1.00K0.00%00.0%Unchanged
Credit Suisse AG22$00.00%+22New
Rockefeller Capital Management L.P.67$00.00%+67New
IFP Advisors, Inc465––00.0%Unchanged
Nicholas Investment Partners, LP0$00.00%−22,500−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−17,214−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−11,500−100.0%Sold out
Prospera Financial Services Inc0$00.00%−5,055−100.0%Sold out
Amalgamated Financial Corp.––––Not filed