4 institutions reported holding $109,953 of THIRD HARMONIC BIO INC (THRD) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($107,488), GAMMA Investing LLC ($2,464), SBI Securities Co., Ltd. ($1), CALDWELL SUTTER CAPITAL, INC. ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $107,488 | 19,980 | Trimmed |
| 2 | GAMMA Investing LLC | $2,464 | 458 | Hold |
| 3 | SBI Securities Co., Ltd. | $1 | 20 | Hold |
| 4 | CALDWELL SUTTER CAPITAL, INC. | $0 | 1,000 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31