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.
Q3 2024 vs. Q2 2024
How the institutions holding Tourmaline Bio, Inc. changed between Q2 2024 and Q3 2024.
All holders in Q3 2024All holders in Q2 2024
| Measure | Q2 2024 | Of which not filed for Q3 2024 | Q3 2024 | Change |
|---|---|---|---|---|
| Holders | 84 | 1 | 92 | +9 |
| Shares | 21.2M | 1.72M | 21.0M | +1.60M (+8.2%) |
| Value | $272.0M | $22.2M | $540.7M | +$290.9M (+116.4%) |
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.
New holders (22)
Institutions that held Tourmaline Bio, Inc. at the end of Q3 2024 but not at the end of Q2 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| BlackRock, Inc. | 1,753,347 | $45.1M | 0.00% |
| Millennium Management LLC | 509,415 | $13.1M | 0.01% |
| Point72 Asset Management, L.P. | 338,437 | $8.70M | 0.03% |
| Pictet Asset Management Holding SA | 247,140 | $6.35M | 0.01% |
| Siren, L.L.C. | 91,426 | $2.35M | 0.12% |
| StemPoint Capital LP | 55,523 | $1.43M | 0.43% |
| Brown Advisory Inc | 39,719 | $1.02M | 0.00% |
| Jane Street Group, LLC | 21,705 | $558.0K | 0.00% |
| MetLife Investment Management | 13,886 | $357.0K | 0.00% |
| Mirae Asset Global ETFs Holdings Ltd. | 12,780 | $328.6K | 0.00% |
| Alliancebernstein L.P. | 9,270 | $238.3K | 0.00% |
| Manufacturers Life Insurance Company, The | 8,804 | $226.4K | 0.00% |
| Cresset Asset Management, LLC | 7,944 | $204.2K | 0.00% |
| Price T Rowe Associates Inc | 7,753 | $200.0K | 0.00% |
| Catalyst Funds Management Pty Ltd | 200 | $5.14K | 0.00% |
| GAMMA Investing LLC | 147 | $3.78K | 0.00% |
| Sterling Capital Management LLC | 85 | $2.19K | 0.00% |
| Nisa Investment Advisors, LLC | 67 | $1.72K | 0.00% |
| Lindbrook Capital, LLC | 56 | $1.44K | 0.00% |
| Signaturefd, LLC | 54 | $1.39K | 0.00% |
| Russell Investments Group, Ltd. | 33 | $848 | 0.00% |
| US Bancorp | 20 | $514 | 0.00% |
Sold out (13)
Institutions that held Tourmaline Bio, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.
| Institution | Shares, Q2 2024 | Value, Q2 2024 |
|---|---|---|
| Suvretta Capital Management, LLC | 125,000 | $1.61M |
| Renaissance Technologies LLC | 100,076 | $1.29M |
| Artal Group S.A. | 91,426 | $1.18M |
| HighVista Strategies LLC | 83,397 | $1.07M |
| Walleye Capital LLC | 78,907 | $1.01M |
| Cubist Systematic Strategies, LLC | 37,861 | $486.9K |
| UBS Asset Management Americas Inc | 31,388 | $403.6K |
| Jump Financial, LLC | 27,782 | $357.3K |
| Swiss National Bank | 25,200 | $324.1K |
| Alpine Global Management, LLC | 22,648 | $291.3K |
| State of Wisconsin Investment Board | 11,686 | $150.3K |
| Janus Henderson Group PLC | 11,500 | $147.7K |
| Simplex Trading, LLC | 104 | $1.00K |
Not filed for Q3 2024 yet (1)
Institutions that held Tourmaline Bio, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2024 | Value, Q2 2024 |
|---|---|---|
| BlackRock Inc. | 1,724,216 | $22.2M |