$TPST

$0.51 -$0.00 (0.16%) Close

$TPST Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 14.8M shares outstanding

Who owns TPST?

By type of holder

Institutions 8.7% Insiders 0.0% Everyone else 91.2%

Concentration Top 10 holders own 49.3%

Matthew Angel 37.4% · Sabby Management, LLC 3.5%

Institutional ownership

8.7%

+3.4 pts vs last qtr

Institutional holders

-1 vs last qtr

Net shares bought

+507.4K

by institutions in Q2 2026

New / sold out

4 / 5

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Sabby Management, LLC +493.4K
Squarepoint Ops LLC NEW +30.9K

Biggest sellers in Q2 2026

FMR LLC SOLD OUT −33.2K
Dimensional Fund Advisors LP SOLD OUT −11.4K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Tempest Therapeutics Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+43.7%

+12.85% a year

Each share's claim on the business

−30.4%

shrank without buying or selling a share

Diluted shares, split-adjusted

How patient are the owners?

Institutional shares by how long they've been held

5+ years27% 3–5 years7% 1–3 years21% Under 1 year45%

Quarterly turnover

38.0%

of institutional shares changed hands

Top 10 managers, median time held

1.8 years

Super Investors

Investment managers reporting TPST on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
SM Sabby Management, LLC	511.3K	3.45%	+493.4K (+2763.4%)	Q4 '25	0.5%
Shares held by quarter Peak holding511.3K (Q2'26) Change over 8 quarters+511.3K Share of the company3.450% Sabby Management, LLC's full portfolio →
VV Versant Venture Management, LLC	269.8K	1.82%	Unchanged	2024	0.2%
Shares held by quarter Peak holding3.5M (Q4'24) Change over 8 quarters+269.8K Share of the company1.820% Versant Venture Management, LLC's full portfolio →

Sabby Management, LLC

511.3K

% of company

3.45%

Change vs last qtr

+493.4K (+2763.4%)

Held since

Q4 '25

Versant Venture Management, LLC

269.8K

% of company

1.82%

Change vs last qtr

Unchanged

Held since

2024

24 more super investors behind a free account

See every manager holding Tempest Therapeutics Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting TPST on Form N-PORT; together they hold 2.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$143K	128.9K	0.87%	0.00%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$116K	104.9K	0.71%	0.00%	June 30, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$143K

% of company

0.87%

% of the fund

0.00%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$116K

% of company

0.71%

% of the fund

0.00%

As of

June 30, 2026

6 more funds behind a free account

See every fund holding Tempest Therapeutics Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MA Matthew Angel 5%+ holder 13D · 37.4%	5.5M	37.36%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company37.360% Disclosed stake13D · 37.4% View the 13D/G filing →
VV Versant Vantage II, L.P. 5%+ holder 13D · 1.1%	163.0K	1.10%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company1.100% Disclosed stake13D · 1.1% View the 13D/G filing →

Matthew Angel

5%+ holder13D · 37.4%

5.5M

% of company

37.36%

Change vs last qtr

—

Held since

—

Versant Vantage II, L.P.

5%+ holder13D · 1.1%

163.0K

% of company

1.10%

Change vs last qtr

—

Held since

—

9 more holders behind a free account

See every insider and 5%+ holder of Tempest Therapeutics Inc.

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