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OM · Outset Medical, Inc.

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$4.30 +0.00 (+0.00%) At close · Aug 20
Market Cap
$80.83M
Shares
18.80M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 93
Total Value: $60,338,623
Total Shares: 13,967,465

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 93 13F filers · Δ vs Mar 31, 2026
Top Holder
19.6%
Sep 2023 → Jun 2026 · range 13.3% – 19.6%
+2.1 pts
Top 5
56.4%
Sep 2023 → Jun 2026 · range 44.3% – 62.4%
+7.1 pts
Top 10
73.9%
Sep 2023 → Jun 2026 · range 62.2% – 88.3%
+4.1 pts
HHI
920
Sep 2023 → Jun 2026 · range 562 – 979
Broadly held+206

Quarterly Activity

vs Mar 31, 2026
New
19
Increased
30
Decreased
30
Sold Out
26
Unchanged
14
Holder count: -7
Institutional value: +0.6%
Shares held: -10.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 96 of 96
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1484612 CUSIP 690145206 13F (30d) 89 filings 83 filers Visit website Investor relations