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.
Q1 2022 vs. Q4 2021
How the institutions holding Tourmaline Bio, Inc. changed between Q4 2021 and Q1 2022.
All holders in Q1 2022All holders in Q4 2021
| Measure | Q4 2021 | Q1 2022 | Change |
|---|---|---|---|
| Holders | 51 | 51 | 0 |
| Shares | 29.9M | 29.2M | −711.7K (−2.4%) |
| Value | $456.7M | $286.9M | −$169.8M (−37.2%) |
New holders (7)
Institutions that held Tourmaline Bio, Inc. at the end of Q1 2022 but not at the end of Q4 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Nicholas Investment Partners, LP | 22,500 | $221.0K | 0.02% |
| Susquehanna International Group, LLP | 17,214 | $169.0K | 0.00% |
| Barclays PLC | 11,580 | $114.0K | 0.00% |
| Prospera Financial Services Inc | 5,055 | $50.0K | 0.00% |
| Amalgamated Bank | 3,184 | $31.0K | 0.00% |
| Amalgamated Financial Corp. | 3,184 | $31.0K | 0.00% |
| IFP Advisors, Inc | 465 | $8.00K | 0.00% |
Sold out (7)
Institutions that held Tourmaline Bio, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.
| Institution | Shares, Q4 2021 | Value, Q4 2021 |
|---|---|---|
| Avidity Partners Management LP | 455,037 | $6.96M |
| Norges Bank | 272,614 | $4.17M |
| Manufacturers Life Insurance Company, The | 10,770 | $165.0K |
| ProShare Advisors LLC | 10,482 | $160.0K |
| MetLife Investment Management | 9,762 | $149.3K |
| UBS Group AG | 8,113 | $124.0K |
| Metropolitan Life Insurance Co | 7,232 | $110.6K |