| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 14% | $30,149,556 | 2,596,861 | FMR LLC | 31 Mar 2025 | |||
| BML Investment Partners, L.P. | 9.4% | $6,328,800 | 1,705,876 | BML Investment Partners, L.P. | 12 Jan 2026 | |||
| Durable Capital Partners LP | 7.6% | $19,299,541 | 1,366,823 | Durable Capital Partners LP | 30 Sep 2025 | |||
| Woodline Partners LP | 7.5% | $15,392,352 | 1,325,784 | Woodline Partners LP | 31 Mar 2025 | |||
| BlackRock, Inc. | 6.8% | +22% | $17,135,284 | +$3,284,072 | 1,213,547 | +24% | BlackRock, Inc. | 30 Sep 2025 |
| PERCEPTIVE ADVISORS LLC | 6.7% | $14,028,758 | 1,208,334 | Perceptive Advisors LLC | 31 Mar 2025 | |||
| VANGUARD GROUP INC | 5.6% | $18,919,737 | 991,429 | The Vanguard Group | 30 Jun 2025 | |||
| T. Rowe Price Investment Management, Inc. | 0% | -99% | $33,874 | -$22,601,277 | 2,399 | -100% | T. Rowe Price Investment Management, Inc. | 30 Sep 2025 |
As of 30 Sep 2025, 95 institutional investors reported holding 17,649,142 shares of Outset Medical, Inc. - Common Stock, par value $0.001 per share (OM). This represents 97% of the company’s total 18,147,617 outstanding shares.
The largest institutional shareholders of Outset Medical, Inc. - Common Stock, par value $0.001 per share (OM) together control 90% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 2,664,798 | +2.5% | 0% | $37,626,948 |
| PFM Health Sciences, LP | 9.5% | 1,729,921 | +3.9% | 2.1% | $24,426,485 |
| Alyeska Investment Group, L.P. | 8.9% | 1,614,582 | +10% | 0.07% | $22,797,898 |
| Woodline Partners LP | 7.3% | 1,325,855 | +0.01% | 0.09% | $18,721,073 |
| BlackRock, Inc. | 6.9% | 1,248,956 | +27% | 0% | $17,635,259 |
| Durable Capital Partners LP | 5.6% | 1,023,706 | -38% | 0.11% | $14,454,729 |
| VANGUARD GROUP INC | 5.4% | 982,618 | -0.89% | 0% | $13,874,566 |
| PERCEPTIVE ADVISORS LLC | 4.6% | 833,333 | 0% | 0.34% | $11,766,661 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.5% | 631,663 | -0.73% | 0% | $8,919,082 |
| Parkman Healthcare Partners LLC | 2.5% | 454,512 | -17% | 0.7% | $6,417,709 |
| MORGAN STANLEY | 2.4% | 433,175 | +257% | 0% | $6,116,432 |
| MILLENNIUM MANAGEMENT LLC | 2.3% | 421,409 | +166% | 0% | $5,950,295 |
| MARSHALL WACE, LLP | 2.3% | 419,118 | -20% | 0.01% | $5,917,945 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 397,259 | -4.4% | 0% | $5,610,651 |
| Assenagon Asset Management S.A. | 2.1% | 377,033 | 0.01% | $5,323,706 | |
| STATE STREET CORP | 1.8% | 331,736 | +62% | 0% | $4,684,112 |
| Ensign Peak Advisors, Inc | 1.8% | 326,087 | +3.7% | 0.01% | $4,604,348 |
| NORTHERN TRUST CORP | 1.3% | 236,736 | -5.1% | 0% | $3,342,712 |
| TWO SIGMA INVESTMENTS, LP | 0.81% | 146,598 | +98% | 0% | $2,069,964 |
| Catalio Capital Management, LP | 0.65% | 118,279 | -29% | 0.31% | $1,670,099 |
| JPMORGAN CHASE & CO | 0.64% | 116,306 | +1276% | 0% | $1,642,241 |
| Balyasny Asset Management L.P. | 0.64% | 116,291 | -19% | 0% | $1,642,029 |
| Schonfeld Strategic Advisors LLC | 0.63% | 114,800 | -55% | 0.01% | $1,620,973 |
| BNP PARIBAS FINANCIAL MARKETS | 0.57% | 103,766 | 0% | 0% | $1,465,176 |
| ACADIAN ASSET MANAGEMENT LLC | 0.55% | 99,963 | +311% | 0% | $1,409,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 509,057 | $1,888,601 | -$8,430,471 | $3.71 | 3 |
| 2025 Q3 | 17,649,142 | $249,201,722 | -$11,456,673 | $14.12 | 95 |
| 2025 Q2 | 18,242,288 | $350,434,222 | +$69,197,262 | $19.21 | 91 |
| 2025 Q1 | 14,676,599 | $162,319,841 | +$162,319,498 | $11.06 | 59 |