Third Harmonic Bio, Inc.
THRDDelisted Jul 31, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001923840
Third Harmonic Bio, Inc. was delisted on Jul 31, 2025; its insiders filed their last Form 4 on Aug 14, 2025; 107 institutions reported holding it in 13F filings for Q2 2025, worth $210.2M in total; no superinvestor held it.
13F holders, Q1 2026
Institutional positions in Third Harmonic Bio, Inc. as of Mar 31, 2026. 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
THRD is no longer listed, and 13F filings after Q2 2025 list far fewer holders. See Q2 2025
- Institutional holders
- 4
- 0 vs. Q4 2025
- Shares held
- 21.5K
- −287 (−1.3%) vs. Q4 2025
- Total value
- $110.0K
- −$1.54K (−1.4%) vs. Q4 2025
- New holders
- 0
- 0 more added
- Sold out
- 0
- 1 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting THRD 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 4 | $110.0K |
| Q1 2026 | 4 | $110.0K |
| Q4 2025 | 4 | $111.5K |
| Q3 2025 | 18 | $1.19M |
| Q2 2025 | 107 | $210.2M |
| Q1 2025 | 100 | $134.4M |
| Q4 2024 | 98 | $462.5M |
| Q3 2024 | 85 | $596.6M |
| Q2 2024 | 77 | $523.2M |
| Q1 2024 | 71 | $357.6M |
| Q4 2023 | 62 | $416.0M |
| Q3 2023 | 56 | $241.5M |
| Q2 2023 | 48 | $173.5M |
| Q1 2023 | 49 | $149.7M |
| Q4 2022 | 50 | $153.1M |
| Q3 2022 | 40 | $672.8M |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Third Harmonic Bio, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rhumbline Advisers | 19,980 | $107.5K | 0.00% | −287−1.4% | Reduced |
| GAMMA Investing LLC | 458 | $2.46K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 20 | $1 | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 1,000 | $0 | 0.00% | 00.0% | Unchanged |