24 institutions reported holding $1.4M of TEMPEST THERAPEUTICS INC (TPST) in SEC 13F filings for 2026-06-30. Largest institutional holders: SABBY MANAGEMENT, LLC ($567,527), VANGUARD GROUP INC ($336,104), Versant Venture Management, LLC ($299,447), GEODE CAPITAL MANAGEMENT, LLC ($96,155), BlackRock, Inc. ($43,365). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SABBY MANAGEMENT, LLC | $567,527 | 511,286 | Added |
| 2 | VANGUARD GROUP INC | $336,104 | 302,796 | Trimmed |
| 3 | Versant Venture Management, LLC | $299,447 | 269,772 | Hold |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $96,155 | 86,625 | Trimmed |
| 5 | BlackRock, Inc. | $43,365 | 39,068 | Hold |
| 6 | Squarepoint Ops LLC | $34,299 | 30,900 | New |
| 7 | NORTHERN TRUST CORP | $22,351 | 20,136 | Added |
| 8 | CITADEL ADVISORS LLC | $22,000 | 19,820 | New |
| 9 | UBS Group AG | $6,255 | 5,636 | Added |
| 10 | Tower Research Capital LLC (TRC) | $4,353 | 3,922 | Added |
| 11 | MORGAN STANLEY | $2,244 | 2,022 | Trimmed |
| 12 | OSAIC HOLDINGS, INC. | $1,669 | 1,513 | Trimmed |
| 13 | Federation des caisses Desjardins du Quebec | $324 | 292 | Hold |
| 14 | JONES FINANCIAL COMPANIES LLLP | $258 | 239 | Hold |
| 15 | BARCLAYS PLC | $246 | 222 | New |
| 16 | SBI Securities Co., Ltd. | $62 | 56 | Hold |
| 17 | Parallel Advisors, LLC | $20 | 18 | Hold |
| 18 | BNP PARIBAS FINANCIAL MARKETS | $3 | 3 | Hold |
| 19 | Caitong International Asset Management Co., Ltd | $3 | 3 | New |
| 20 | Royal Bank of Canada | $0 | 28 | Added |
| 21 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
| 22 | FMR LLC | $0 | 0 | Exited |
| 23 | DIMENSIONAL FUND ADVISORS LP | $0 | 0 | Exited |
| 24 | CITIGROUP INC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30