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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, Q3 2022

Institutional positions in Tourmaline Bio, Inc. as of Sep 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
56
−2 vs. Q2 2022
Shares held
27.3M
−1.53M (−5.3%) vs. Q2 2022
Total value
$72.1M
−$58.0M (−44.6%) vs. Q2 2022
New holders
11
17 more added
Sold out
13
13 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 56 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 heldQ3 2022: $72.1M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q2 2022.

Institutions holding TRML in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Blackstone Group Inc.8,089,315$21.3M0.08%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors3,289,617$8.65M0.04%00.0%Unchanged
Qiming U.S. Ventures Management, LLC2,932,606$7.71M11.20%00.0%Unchanged
Citadel Advisors LLC2,662,566$7.00M0.01%−9,908−0.4%Reduced
Artal Group S.A.2,064,262$5.43M0.28%00.0%Unchanged
BlackRock Inc.1,987,736$5.23M0.00%−532,869−21.1%Reduced
Eventide Asset Management, LLC1,561,092$4.11M0.08%00.0%Unchanged
Vanguard Group Inc1,016,998$2.67M0.00%−1,127−0.1%Reduced
Cormorant Asset Management, LP900,649$2.37M0.17%−274,074−23.3%Reduced
Bank of Montreal334,061$1.19M0.00%+311,619+1,388.6%Added
Geode Capital Management, LLC373,447$982.0K0.00%+97,098+35.1%Added
State Street Corp331,131$871.0K0.00%+2,336+0.7%Added
Laurion Capital Management LP298,422$785.0K0.02%00.0%Unchanged
Caas Capital Management LP297,707$783.0K0.10%+297,707New
Logos Global Management LP197,913$521.0K0.06%−73,074−27.0%Reduced
Aisling Capital Management LP175,000$460.0K0.31%−507,923−74.4%Reduced
Northern Trust Corp173,738$457.0K0.00%+11,055+6.8%Added
Bank of New York Mellon Corp65,806$173.0K0.00%+7,112+12.1%Added
Charles Schwab Investment Management Inc54,028$143.0K0.00%00.0%Unchanged
Millennium Management LLC53,228$140.0K0.00%+53,228New
Acadian Asset Management LLC40,648$106.0K0.00%+40,648New
Two Sigma Investments, LP35,178$93.0K0.00%+35,178New
Rhumbline Advisers33,647$88.0K0.00%+1,934+6.1%Added
Goldman Sachs Group Inc32,314$85.0K0.00%+7,889+32.3%Added
Values First Advisors, Inc.30,715$81.0K0.06%+19,038+163.0%Added
Mirae Asset Global Investments Co., Ltd.29,668$78.0K0.00%+29,668New
BNP Paribas Arbitrage, SA24,483$64.4K0.00%+24,483New
Morgan Stanley19,189$51.0K0.00%−3,508−15.5%Reduced
Dimensional Fund Advisors LP17,877$47.0K0.00%−400−2.2%Reduced
Bank of America Corp17,981$47.0K0.00%+6,292+53.8%Added
JPMorgan Chase & Co15,108$40.0K0.00%+1,415+10.3%Added
New York State Common Retirement Fund14,800$39.0K0.00%+57+0.4%Added
State Board of Administration of Florida Retirement System14,260$38.0K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC13,000$34.0K0.00%+13,000New
Prospera Financial Services Inc12,952$34.0K0.00%+12,952New
Bridgeway Capital Management, LLC11,500$30.0K0.00%+11,500New
American International Group, Inc.10,950$29.0K0.00%+455+4.3%Added
SG Americas Securities, LLC10,403$27.0K0.00%+10,403New
California State Teachers Retirement System9,104$24.0K0.00%−485−5.1%Reduced
Deutsche Bank AG8,611$23.0K0.00%−1,495−14.8%Reduced
Tower Research Capital LLC (TRC)8,637$23.0K0.00%+5,268+156.4%Added
Barclays PLC8,027$22.0K0.00%−147−1.8%Reduced
Amalgamated Bank2,793$7.00K0.00%00.0%Unchanged
Legal & General Group Plc1,991$5.00K0.00%00.0%Unchanged
STRS Ohio2,100$5.00K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)1,778$5.00K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,647$4.00K0.00%00.0%Unchanged
Citigroup Inc906$2.00K0.00%−1,399−60.7%Reduced
FMR LLC552$1.00K0.00%+432+360.0%Added
Royal Bank of Canada281$1.00K0.00%+155+123.0%Added
China Universal Asset Management Co., Ltd.391$1.00K0.00%+391New
Wells Fargo & Company45$00.00%−151−77.0%Reduced
Daiwa Securities Group Inc.121$00.00%00.0%Unchanged
Credit Suisse AG130$00.00%+108+490.9%Added
Rockefeller Capital Management L.P.67$00.00%00.0%Unchanged
IFP Advisors, Inc5,465––+5,000+1,075.3%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)0$00.00%−266,154−100.0%Sold out
OrbiMed Advisors LLC0$00.00%−235,995−100.0%Sold out
Sectoral Asset Management Inc0$00.00%−228,624−100.0%Sold out
Woodline Partners LP0$00.00%−206,056−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−61,523−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−42,833−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−42,491−100.0%Sold out
MetLife Investment Management0$00.00%−13,923−100.0%Sold out
Virtu Financial LLC0$00.00%−12,399−100.0%Sold out
BIT Capital GmbH0$00.00%−7,467−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−10,122−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−1,616−100.0%Sold out
UBS Group AG0$00.00%−825−100.0%Sold out
Altium Wealth Management LLC––––Not filed