Who owns Outset Medical, Inc.?
Institutional ownership of OM from SEC Form 13F filings across 67 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
67
13F holders
$31.8M
value, 2026 filers
40.2%
of shares outstanding (7.5M sh)
14
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of OM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 2.7M | $11.8M | 0.0% | 14.8% | 0.0% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 780,134 | $3.4M | 0.0% | 4.2% | -48.9% |
| 3 | BANK OF AMERICA CORP /DE/ | 665,847 | $2.9M | 0.0% | 3.6% | -29.9% |
| 4 | BlackRock, Inc. | 418,211 | $1.8M | 0.0% | 2.3% | -66.9% |
| 5 | Assenagon Asset Management S.A. | 339,438 | $1.5M | 0.0% | 1.8% | -32.7% |
| 6 | MARSHALL WACE, LLPNEW | 211,993 | $915,809 | 0.0% | 1.1% | new |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 204,652 | $884,538 | 0.0% | 1.1% | -51.4% |
| 8 | Stratos Wealth Partners, LTD. | 200,546 | $866,359 | 0.0% | 1.1% | 0.0% |
| 9 | UBS Group AG | 190,289 | $822,048 | 0.0% | 1% | -24.6% |
| 10 | MORGAN STANLEY | 181,983 | $786,166 | 0.0% | 1% | +7.4% |
| 11 | MILLENNIUM MANAGEMENT LLCNEW | 181,794 | $785,350 | 0.0% | 1% | new |
| 12 | GOLDMAN SACHS GROUP INC | 173,460 | $749,348 | 0.0% | 0.9% | +85.8% |
| 13 | JANE STREET GROUP, LLC | 139,197 | $601,331 | 0.0% | 0.8% | +114.8% |
| 14 | Catalio Capital Management, LP | 118,279 | $510,965 | 0.1% | 0.6% | 0.0% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 114,912 | $496,420 | 0.0% | 0.6% | +2.9% |
| 16 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 81,023 | $350,019 | 0.0% | 0.4% | +190.6% |
| 17 | IEQ CAPITAL, LLC | 52,127 | $225,189 | 0.0% | 0.3% | +31.2% |
| 18 | Marquette Asset Management, LLCNEW | 48,981 | $211,598 | 0.0% | 0.3% | new |
| 19 | NATIONAL BANK OF CANADA /FI/ | 45,622 | $197,087 | 0.0% | 0.2% | -1.2% |
| 20 | NORTHERN TRUST CORP | 43,574 | $188,239 | 0.0% | 0.2% | -65.3% |
| 21 | BARCLAYS PLC | 42,771 | $184,771 | 0.0% | 0.2% | +296.3% |
| 22 | Centiva Capital, LP | 39,785 | $171,871 | 0.0% | 0.2% | -21.6% |
| 23 | PRICE T ROWE ASSOCIATES INC /MD/ | 35,622 | $154 | 0.0% | 0.2% | -9.7% |
| 24 | ACADIAN ASSET MANAGEMENT LLC | 35,050 | $149 | 0.0% | 0.2% | -11.8% |
| 25 | Jain Global LLCNEW | 33,095 | $142,970 | 0.0% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.