TPST Institutional Ownership
Who owns Tempest Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 21 funds reported holding TPST at Jun 30, 2026, together owning 8.7% of the company.
- ●9 buying vs 8 selling
- ▲Held by funds +3.4 pts
- ▼Funds holding -1
- ▲Superinvestors: 1 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 21 | 22 | −4.5% |
| In funds' top 10 | 2 | 1 | +100.0% |
| 13F shares | 1.3M | 787K | +64.5% |
| Held by funds | 8.7% | 5.3% | +3.4 pts |
| New positions | 4 | 2 | +100.0% |
| Increased | 5 | 3 | +66.7% |
| Reduced | 3 | 3 | 0.0% |
| Sold out | 5 | 2 | +150.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in TPST
All superinvestors →
Who owns TPST
share of fund held shares- Index and passive funds34.7%
- Active managers and hedge funds64.7%
- Banks and brokers0.6%
- Pensions, insurers and other0.0%
The top 10 holders own 99.4% of all TPST shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
1 fund changed their position- Caitong International Asset Management Co., LtdTrimmed−2 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Sabby Management, LLC | 3.45% | 511K | $568K | +493K |
| 2 | Versant Venture Management, LLC | 1.82% | 270K | $299K | 0 |
| 3 | Vanguard Capital Management LLC | 1.58% | 234K | $260K | 0 |
| 4 | Geode Capital Management, LLC | 0.59% | 87K | $96K | −365 |
| 5 | Vanguard Fiduciary Trust Co | 0.47% | 69K | $76K | 0 |
| 6 | BlackRock, Inc. | 0.26% | 39K | $43K | 0 |
| 7 | Squarepoint Ops LLC | 0.21% | 31K | $34K | +31K |
| 8 | Northern Trust Corp | 0.14% | 20K | $22K | +6,083 |
| 9 | Citadel Advisors LLC | 0.13% | 20K | $22K | +20K |
| 10 | UBS Group AG | 0.04% | 5,636 | $6K | +1,103 |
- Sabby Management, LLC+493K sh+$548K
- Squarepoint Ops LLC+31K sh+$34K
- Citadel Advisors LLC+20K sh+$22K
- Northern Trust Corp+6,083 sh+$7K
- Tower Research Capital LLC (TRC)+1,132 sh+$1K
- UBS Group AG+1,103 sh+$1K
- Barclays PLC+222 sh+$246
- Caitong International Asset Management Co., Ltd+3 sh+$3
- Fmr LLC−33K sh−$54K
- Dimensional Fund Advisors LP−11K sh−$19K
- Geode Capital Management, LLC−365 sh−$405
- Vanguard Global Advisers, LLC−168 sh−$276
- Morgan Stanley−36 sh−$40
- Osaic Holdings, Inc.−16 sh−$18
- Citigroup Inc−8 sh−$13
- Jpmorgan Chase & Co−5 sh−$8
TPST institutional ownership FAQ
Who owns the most TPST stock?
In Q2 2026 13F filings the largest holder of TPST was Sabby Management, LLC, followed by Versant Venture Management, LLC and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of TPST is owned by institutions?
Funds that file 13F reports held 8.7% of TPST's shares at Jun 30, 2026, compared with 5.3% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying TPST?
In Q2 2026, 9 funds bought TPST (4 of them new positions) and 8 sold (5 sold out completely). Among well known investors, 1 added and 0 cut. Our fund sentiment for TPST is neutral.
What is TPST's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this TPST ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.