$OUST

$32.78 +$3.07 (10.33%) Live

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

Ownership

13F as of Q2 2026 · 72.1M shares outstanding

Who owns OUST?

By type of holder

Institutions 48.8% Insiders 4.3% Everyone else 46.9%

Concentration Top 10 holders own 25.1%

BlackRock, Inc. 7.7% · Vanguard Capital Management LLC 3.8%

Institutional ownership

48.8%

+7.3 pts vs last qtr

Institutional holders

325

+98 vs last qtr

Net shares bought

+5.3M

by institutions in Q2 2026

New / sold out

134 / 36

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Price T Rowe Associates Inc /MD/ +973.0K
Exchange Traded Concepts, LLC +617.1K

Biggest sellers in Q2 2026

Tao Capital Management LP SOLD OUT −845.3K
D. E. Shaw & Co., Inc. −689.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$40.2M

44 notices from 20 people

Shares covered

1.3M

1.76% of the company

Arranged in advance

96%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Mark Frichtl Officer 10b5-1 $26.1M
Darien R Spencer Officer 10b5-1 $2.7M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+3711.3%

+83.45% a year

Each share's claim on the business

−97.4%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$90K vs $211M

over 7 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years57% 1–3 years21% Under 1 year22%

Quarterly turnover

27.8%

of institutional shares changed hands

Top 10 managers, median time held

3 years

Super Investors

Investment managers reporting OUST on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	5.6M	7.71%	+266.8K (+5.0%)	2023	0.0%
Shares held by quarter Peak holding5.6M (Q2'26) Change over 8 quarters+2.5M Share of the company7.710% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	2.7M	3.76%	+43.6K (+1.6%)	2023	0.0%
Shares held by quarter Peak holding2.7M (Q2'26) Change over 8 quarters+2.7M Share of the company3.760% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

5.6M

% of company

7.71%

Change vs last qtr

+266.8K (+5.0%)

Held since

2023

Vanguard Capital Management LLC

2.7M

% of company

3.76%

Change vs last qtr

+43.6K (+1.6%)

Held since

2023

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting OUST on Form N-PORT; together they hold 21.9% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$120M	1.9M	2.66%	0.01%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$102M	1.6M	2.26%	0.12%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$120M

% of company

2.66%

% of the fund

0.01%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$102M

% of company

2.26%

% of the fund

0.12%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Ouster, 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
PC Pacala Charles Angus Insider	1.0M	1.44%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.440% Pacala Charles Angus's insider activity →
FM Frichtl Mark Insider	319.0K	0.44%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.440% Frichtl Mark's insider activity →

Pacala Charles Angus

Insider

1.0M

% of company

1.44%

Change vs last qtr

—

Held since

—

Frichtl Mark

Insider

319.0K

% of company

0.44%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of Ouster, Inc..

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