Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TPST held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Versant Venture Management, LLC | 270K | $442K | 0.0% | 6.075% | 0.31% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 234K | $384K | — | 5.267% | 0.00% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 87K | $143K | +97.2% | 1.959% | 0.00% |
| 4 | VANGUARD FIDUCIARY TRUST CO | 69K | $113K | — | 1.552% | 0.00% |
| 5 | BlackRock, Inc. | 39K | $64K | 0.0% | 0.880% | 0.00% |
| 6 | FMR LLC | 33K | $54K | 0.0% | 0.748% | 0.00% |
| 7 | SABBY MANAGEMENT, LLC | 18K | $29K | -90.0% | 0.402% | 0.51% |
| 8 | NORTHERN TRUST CORP | 14K | $23K | 0.0% | 0.316% | 0.00% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 11K | $19K | 0.0% | 0.258% | 0.00% |
| 10 | UBS Group AG | 5K | $7K | -74.2% | 0.102% | 0.00% |
| 11 | Tower Research Capital LLC (TRC) | 3K | $5K | +110.6% | 0.063% | 0.00% |
| 12 | MORGAN STANLEY | 2K | $3K | 0.0% | 0.046% | 0.00% |
| 13 | ADVISOR GROUP HOLDINGS, INC. | 2K | $2K | -5.2% | 0.034% | 0.00% |
| 14 | Federation des caisses Desjardins du Quebec | 292 | $479 | 0.0% | 0.007% | 0.00% |
| 15 | JONES FINANCIAL COMPANIES LLLP | 239 | $413 | 0.0% | 0.005% | 0.00% |
| 16 | Vanguard Global Advisers, LLC | 168 | $276 | — | 0.004% | 0.00% |
| 17 | SBI Securities Co., Ltd. | 56 | $92 | 0.0% | 0.001% | 0.00% |
| 18 | Parallel Advisors, LLC | 18 | $30 | 0.0% | 0.000% | 0.00% |
| 19 | CITIGROUP INC | 8 | $13 | — | 0.000% | 0.00% |
| 20 | BNP PARIBAS ARBITRAGE, SA | 3 | $5 | 0.0% | 0.000% | 0.00% |
| 21 | ROYAL BANK OF CANADA | 27 | $0 | +237.5% | 0.001% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TPST — a direct measure of their conviction.
Filings activity in TPST during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 21 | +5.0% | 23.06% | 16.80 pp | $1M | 42% |
| Q4 2025 | 20 | +25% | 39.86% | 64.65 pp | $2M | 62% |
| Q3 2025 | 16 | 16% | 104.51% | 10.44 pp | $6M | 9.1% |
| Q2 2025 | 19 | 24% | 114.95% | +35.35 pp | $6M | +44% |
| Q1 2025 | 25 | 31% | 79.60% | 22.12 pp | $4M | 22% |
| Q4 2024 | 36 | +24% | 101.72% | +32.13 pp | $6M | +46% |
| Q3 2024 | 29 | +21% | 69.59% | 4.46 pp | $4M | 6.0% |
| Q2 2024 | 24 | — | 74.05% | — | $4M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TPST stock.
Based on Q1 2026 13F filings, institutional ownership of Tempest Therapeutics, Inc. stands at 23.1%, held across 21 reporting institutions.
Versant Venture Management, LLC is the largest reported institutional holder of TPST, with approximately 269,772 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of TPST.
Our composite Smart Money Score for TPST is 29 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
4 institutions opened new positions in TPST during Q1 2026, while 3 fully exited. 2 added to existing positions and 14 trimmed.
TPST institutional ownership fell by 16.80 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 99.1% of all reported 13F value in TPST, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.