$OM

$4.34 +$0.00 (0.0%) Close

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

Ownership

13F as of Q2 2026 · 18.8M shares outstanding

Who owns OM?

By type of holder

Institutions 73.2% Insiders 20.4% Everyone else 6.4%

Concentration Top 10 holders own 67.8%

Leonard Braden Michael 14.7% · FMR LLC 14.6%

Institutional ownership

73.2%

-6.0 pts vs last qtr

Institutional holders

-8 vs last qtr

Net shares bought

−1.1M

by institutions in Q2 2026

New / sold out

19 / 27

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BML Capital Management, LLC +617.5K
Peapod Lane Capital LLC NEW +332.0K

Biggest sellers in Q2 2026

BlackRock, Inc. −845.0K
Woodline Partners LP SOLD OUT −292.4K

Who is planning to sell?

Notices of proposed sale, last 12 months

$356K

21 notices from 4 people

Shares covered

76.3K

0.41% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Trigg Leslie Officer $122K
Gaeta Renee Officer $107K

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, FY2023–FY2025

+360.2%

+114.53% a year

Each share's claim on the business

−78.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $83.6M

over 3 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+ years42% 3–5 years1% 1–3 years16% Under 1 year40%

Quarterly turnover

18.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting OM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	2.7M	14.59%	+1.2K (+0.0%)	≤2021	0.0%
Shares held by quarter Peak holding4.8M (Q3'24) Change over 8 quarters−2.0M Share of the company14.590% FMR LLC's full portfolio →
BC BML Capital Management, LLC	2.5M	13.40%	+617.5K (+32.5%)	Q4 '25	6.2%
Shares held by quarter Peak holding2.5M (Q2'26) Change over 8 quarters+2.5M Share of the company13.400% BML Capital Management, LLC's full portfolio →

FMR LLC

2.7M

% of company

14.59%

Change vs last qtr

+1.2K (+0.0%)

Held since

≤2021

BML Capital Management, LLC

2.5M

% of company

13.40%

Change vs last qtr

+617.5K (+32.5%)

Held since

Q4 '25

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting OM on Form N-PORT; together they hold 26.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SH Select Health Care Portfolio Fidelity Select Portfolios	$5.81M	1.5M	8.09%	0.09%	August 31, 2026
FA Fidelity Advisor Health Care Fund Fidelity Advisor Series VII	$3.66M	800.0K	4.26%	0.12%	July 31, 2026

Select Health Care Portfolio

Fidelity Select Portfolios

Position value

$5.81M

% of company

8.09%

% of the fund

0.09%

As of

August 31, 2026

Fidelity Advisor Health Care Fund

Fidelity Advisor Series VII

Position value

$3.66M

% of company

4.26%

% of the fund

0.12%

As of

July 31, 2026

23 more funds behind a free account

See every fund holding Outset Medical, 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
LB Leonard Braden Michael Insider	2.8M	14.71%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company14.710% Leonard Braden Michael's insider activity →
TL Trigg Leslie Insider	239.8K	1.28%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.280% Trigg Leslie's insider activity →

Leonard Braden Michael

Insider

2.8M

% of company

14.71%

Change vs last qtr

—

Held since

—

Trigg Leslie

Insider

239.8K

% of company

1.28%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

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

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