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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 2025

Institutional positions in Tourmaline Bio, Inc. as of Jun 30, 2025. 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
109
+2 vs. Q1 2025
Shares held
24.1M
+116.2K (+0.5%) vs. Q1 2025
Total value
$384.8M
+$20.5M (+5.6%) vs. Q1 2025
New holders
20
34 more added
Sold out
18
31 more reduced

Compare with Q1 2025: 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 2025: 109 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 2025: $384.8M
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 2025

Shares, value and share of portfolio for each institution holding Tourmaline Bio, Inc.; share changes are against Q1 2025.

Institutions holding TRML in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rothschild Investment LLC60$9590.00%+40+200.0%Added
SRS Capital Advisors, Inc.52$8320.00%+52New
IFP Advisors, Inc0$6560.00%0New
Parkside Financial Bank & Trust35$5610.00%+35New
EverSource Wealth Advisors, LLC33$5280.00%+33New
The PNC Financial Services Group, Inc.20$3200.00%+20New
True Wealth Design, LLC18$2880.00%00.0%Unchanged
SBI Securities Co., Ltd.3$480.00%00.0%Unchanged
Simplex Trading, LLC11$00.00%+11New
Citadel Advisors LLC0$00.00%−570,588−100.0%Sold out
Nan Fung Group Holdings Ltd0$00.00%−227,090−100.0%Sold out
Federated Hermes, Inc.0$00.00%−121,245−100.0%Sold out
Jennison Associates LLC0$00.00%−118,487−100.0%Sold out
Marshall Wace, LLP0$00.00%−99,166−100.0%Sold out
Wexford Capital LP0$00.00%−63,610−100.0%Sold out
Two Sigma Investments, LP0$00.00%−36,643−100.0%Sold out
Jump Financial, LLC0$00.00%−20,893−100.0%Sold out
UBS Oconnor LLC0$00.00%−17,860−100.0%Sold out
Caption Management, LLC0$00.00%−14,312−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−12,219−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−11,309−100.0%Sold out
Intech Investment Management LLC0$00.00%−10,583−100.0%Sold out
HSBC Holdings PLC0$00.00%−10,357−100.0%Sold out
Jones Financial Companies LLLP0$00.00%−100−100.0%Sold out
Signaturefd, LLC0$00.00%−54−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−43−100.0%Sold out
Amundi0$00.00%−7−100.0%Sold out