OM

Outset Medical Inc$4.72 9.26%
Health CareUSCUSIP 690145206· EOD Jul 28, 2026◍ Confluence graph
Tracked 13F Holders
87
-75 QoQ
13F Value (tracked)
$48.3M
Insider Net · 180d
-$143K
0↑ 4↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)20 adding · 5 trimming
Insider net (180d)-$143K

Price & smart-money activity

$4.72 9.26%5Y -99.2%
$2.93$234.80$466.68$698.56$930.4420212022202320242025202634363203630721854252041973241642122121920454
Hover for who · click for detailEnd-of-day closing prices52w $3.16 – $18.04

Who owns OM?

87 tracked 13F filers

87 tracked 13F filers disclose a position in OM as of the latest SEC 13F filings, a combined $48.3M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1FMR LLC
$10.5M
2.7M
+3.8%
Added · +101K sh
Q1 2026
2BlackRock, Inc.
$4.9M
1.3M
−2.0%
Reduced · −26K sh
Q1 2026
3BANK OF AMERICA CORP /DE/
$3.6M
949K
−0.1%
Reduced · −1K sh
Q1 2026
4PERCEPTIVE ADVISORS LLC
$3.2M
833K
Held
Q1 2026
5AQR CAPITAL MANAGEMENT LLC
$3.1M
808K
+348%
Added · +628K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$2.9M
764K
First observed position
No prior filed position
Q1 2026
7PFM Health Sciences, LP
$2.3M
595K
+12%
Added · +64K sh
Q1 2026
8Ensign Peak Advisors, Inc
$2.0M
527K
−6.0%
Reduced · −34K sh
Q1 2026
9GEODE CAPITAL MANAGEMENT, LLC
$1.6M
421K
+5.2%
Added · +21K sh
Q1 2026
10STATE STREET CORP
$1.3M
335K
+1.5%
Added · +5K sh
Q1 2026
11Peapod Lane Capital LLC
$1.4M
332K
New
+332K sh
Q2 2026
12Woodline Partners LP
$1.1M
292K
−78%
Reduced · −1.0M sh
Q1 2026
13UBS Group AG
$970K
252K
+245%
Added · +179K sh
Q1 2026
14RENAISSANCE TECHNOLOGIES LLC
$853K
222K
+391%
Added · +177K sh
Q1 2026
15Stratos Wealth Partners, LTD.
$770K
201K
New
+201K sh
Q1 2026
16MORGAN STANLEY
$651K
169K
+21%
Added · +30K sh
Q1 2026
17XTX Topco Ltd
$547K
142K
+42%
Added · +42K sh
Q1 2026
18NORTHERN TRUST CORP
$482K
125K
−46%
Reduced · −107K sh
Q1 2026
19Catalio Capital Management, LP
$454K
118K
Held
Q1 2026
20DIMENSIONAL FUND ADVISORS LP
$435K
113K
−28%
Reduced · −45K sh
Q1 2026
21VANGUARD FIDUCIARY TRUST CO
$429K
112K
First observed position
No prior filed position
Q1 2026
22JPMORGAN CHASE & CO
$365K
101K
−7.7%
Reduced · −8K sh
Q1 2026
23VANGUARD PORTFOLIO MANAGEMENT LLC
$379K
99K
First observed position
No prior filed position
Q1 2026
24GOLDMAN SACHS GROUP INC
$359K
93K
+28%
Added · +21K sh
Q1 2026
25Engineers Gate Manager LP
$257K
67K
+33%
Added · +17K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is OM being bought or sold by institutions?

Last quarter, 4 funds opened a new position in OM and 16 added to an existing one, while 5 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
4
funds
Added
16
funds
Reduced
5
funds
Exited
0
funds

Funds that own OM also own

CompanyCo-held byCombined value
PROCTER & GAMBLE CO/THEPG26 funds$1.1B
JABIL INCJBL26 funds$372.1M
NVIDIA CORPNVDA25 funds$14.9B
MICROSOFT CORPMSFT25 funds$8.7B
AMAZON.COM INCAMZN25 funds$7.0B
ALPHABET INC-CL AGOOGL25 funds$6.2B
BROADCOM INCAVGO25 funds$5.1B
META PLATFORMS INC-CLASS AMETA25 funds$5.0B
JPMORGAN CHASE & COJPM25 funds$3.3B
ELI LILLY & COLLY25 funds$2.7B
MASTERCARD INC - AMA25 funds$1.5B
MERCK & CO. INC.MRK25 funds$1.4B

Ranked by how many of OM's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$143K
4 insiders
Net
-$143K
7 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 3, 2026Gaeta ReneeChief Financial OfficerSell (S)18K$87K
May 15, 2026Brottem John L.General CounselSell (S)3K$10K
May 15, 2026Trigg LeslieChair and CEO, DirectorSell (S)3K$13K
May 15, 2026Nash MarcEVP Operations R&D & ServiceSell (S)2K$6K
Feb 17, 2026Trigg LeslieChair and CEO, DirectorSell (S)3K$11K
Feb 17, 2026Brottem John L.General CounselSell (S)3K$10K
Feb 17, 2026Nash MarcEVP Operations R&D & ServiceSell (S)2K$6K
Jan 21, 2026Trigg LeslieChair and CEO, DirectorSell (S)2K$11K
Jan 21, 2026Brottem John L.General CounselSell (S)1K$6K
Jan 21, 2026Nash MarcEVP Operations R&D & ServiceSell (S)980$5K
Jan 20, 2026Trigg LeslieChair and CEO, DirectorSell (S)12K$60K
Jan 20, 2026Brottem John L.General CounselSell (S)9K$48K

Institutional ownership over time

11 funds-35 since Q1 2025
04386Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $1.7M

Share classes

Class13F holdersValue held
OMthis pagecs87 funds$48.6M
OMGBPCOM1 funds$380K

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

15 shown

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Ask your agent what changed in OM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/OM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for OM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for OM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.