Outset Medical, Inc. (OM) Institutional Ownership
Q1 2026 13F Data|Updated 2026-06-13
✨
Institutional ownership increased this quarter (+1.10 pp), though top 10 holders maintain a highly concentrated 71.8% of institutional value.
Institutional Ownership70.0%$58M total value · ▲ +1.10 pp vs prior quarter
Can exceed 100% due to securities lending, short interest, and reporting timing differences.
Smart Money Score60 / 100Bullish
Based on ownership concentration, fund quality, buying/selling activity, conviction signals, and institutional trend.
Institutions & Flow94 holders-3 net flow (+23 / -26)
AI Insights & Key Takeaways
- Negative Institutional Flow (-3)
- Susquehanna International Group, Llp and Renaissance Technologies Llc maintain significant positions
- Top 10 holders control 71.8% of institutional value
- No Insider Signal
Top Institutional Holders of OM
Ranked by reported Q1 2026 13F market value
Top 10 Holders
71.8%
Top 25 Holders
92.8%
Share of total reported institutional value in OM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 2.7M | $10.5M | +3.8% | 14.790% | 0.00% |
| 2 | BML Capital Management, LLC | 1.9M | $7.3M | +250.2% | 10.261% | 4.70% |
| 3 | BlackRock, Inc. | 1.3M | $4.9M | -2.0% | 6.814% | 0.00% |
| 4 | BANK OF AMERICA CORP /DE/ | 949K | $3.6M | -0.1% | 5.122% | 0.00% |
| 5 | PERCEPTIVE ADVISORS LLC | 833K | $3.2M | 0.0% | 4.495% | 0.06% |
| 6 | AQR CAPITAL MANAGEMENT LLC | 808K | $3.1M | +348.1% | 4.360% | 0.00% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 764K | $2.9M | — | 4.120% | 0.00% |
| 8 | PFM Health Sciences, LP | 595K | $2.3M | +12.0% | 3.208% | 0.23% |
| 9 | Ensign Peak Advisors, Inc | 527K | $2.0M | -6.0% | 2.841% | 0.00% |
| 10 | Assenagon Asset Management S.A. | 504K | $1.9M | -0.9% | 2.719% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 421K | $1.6M | +5.3% | 2.273% | 0.00% |
| 12 | STATE STREET CORP | 335K | $1.3M | +1.5% | 1.807% | 0.00% |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 301K | $1.2M | +204.4% | 1.623% | 0.00% |
| 14 | Woodline Partners LP | 292K | $1.1M | -77.9% | 1.578% | 0.00% |
| 15 | EverSource Wealth Advisors, LLC | 7K | $1.1M | +2758.4% | 0.038% | 0.03% |
| 16 | UBS Group AG | 252K | $970K | +245.1% | 1.362% | 0.00% |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 222K | $853K | +391.3% | 1.198% | 0.00% |
| 18 | Stratos Wealth Partners, LTD. | 201K | $770K | — | 1.082% | 0.01% |
| 19 | MORGAN STANLEY | 169K | $651K | +21.3% | 0.914% | 0.00% |
| 20 | XTX Topco Ltd | 142K | $547K | +41.6% | 0.768% | 0.01% |
| 21 | NORTHERN TRUST CORP | 125K | $482K | -46.1% | 0.677% | 0.00% |
| 22 | Catalio Capital Management, LP | 118K | $454K | 0.0% | 0.638% | 0.09% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 113K | $435K | -28.4% | 0.612% | 0.00% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 112K | $429K | — | 0.602% | 0.00% |
| 25 | Birchview Capital, LP | 99K | $380K | -0.0% | 0.533% | 0.22% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in OM — a direct measure of their conviction.
Quarterly Institutional Activity
Filings activity in OM during Q1 2026, grouped by how each filer changed its position.
- VANGUARD CAPITAL MANAGEMENT LLC$2.9M
- Stratos Wealth Partners, LTD.$770K
- VANGUARD FIDUCIARY TRUST CO$429K
- VANGUARD PORTFOLIO MANAGEMENT LLC$379K
- BANK OF MONTREAL /CAN/$265K
- IEQ CAPITAL, LLC$153K
- Mariner, LLC$71K
- R Squared Ltd$65K
- Cerity Partners LLC$49K
- IMC-Chicago, LLC$40K
- MERCER GLOBAL ADVISORS INC /ADV$39K
- Vanguard Global Advisers, LLC$30K
OM Institutional Ownership by Quarter
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 94 | 3.1% | 69.97% | +1.10 pp | $58M | +1.6% |
| Q4 2025 | 97 | +0.0% | 68.87% | 131.12 pp | $57M | 77% |
| Q3 2025 | 97 | +1.0% | 199.99% | +0.00 pp | $249M | 22% |
| Q2 2025 | 96 | +60% | 199.99% | +27.76 pp | $318M | +122% |
| Q1 2025 | 60 | 20% | 172.23% | +148.28 pp | $143M | +619% |
| Q4 2024 | 75 | 5.1% | 23.95% | +5.70 pp | $20M | +31% |
| Q3 2024 | 79 | 35% | 18.25% | 181.74 pp | $15M | 91% |
| Q2 2024 | 122 | — | 199.99% | — | $175M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
OM — Frequently Asked Questions
Quick answers to the most common questions about buying OM stock.
What percentage of OM is owned by institutions?
Based on Q1 2026 13F filings, institutional ownership of Outset Medical, Inc. stands at 70.0%, held across 94 reporting institutions.
Who is the largest institutional holder of OM?
FMR LLC is the largest reported institutional holder of OM, with approximately 2,741,673 shares worth $0.01B as of Q1 2026.
Is OM a hedge fund favorite?
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of OM, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, RENAISSANCE TECHNOLOGIES LLC.
What is OM's Smart Money Score?
Our composite Smart Money Score for OM is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
How many institutions bought OM this quarter?
23 institutions opened new positions in OM during Q1 2026, while 26 fully exited. 51 added to existing positions and 17 trimmed.
How is institutional ownership of OM changing?
OM institutional ownership rose by 1.10 percentage points quarter-over-quarter, with a net change of -3 holders.
How concentrated is OM ownership among the top holders?
The top 10 institutions account for 71.8% of all reported 13F value in OM, and the top 25 account for 92.8%.
Where does this OM institutional ownership data come from?
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.