
1Life Healthcare, Inc.
1Life Healthcare, Inc. (ONEM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ONEM · as of Dec 31, 2022
Ownership Breakdown
253
Institutional Holders
▲ 10 vs Q3
$3.27B
Total Inst. Value
▲ $267.18M vs Q3
206.54M
Shares Outstanding
freeFloat 91.13%
195.78M
13F Shares Held
▲ 20.51M vs Q3
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ONEM largest shareholders · institutional ownership
Q4 2022 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-offices & clinics of doctors of medicine | 17.07M | 8.33% | 8.33% | $285.26B | Feb 10, 2023 | ▲ 794.1K |
CARLYLE GROUP INC. services-offices & clinics of doctors of medicine | 13.61M | 6.65% | 6.65% | $227.47B | Feb 10, 2023 | — held |
BLACKROCK INC. services-offices & clinics of doctors of medicine | 13.35M | 6.52% | 6.52% | $223.05B | Feb 13, 2023 | ▲ 280.9K |
UBS OCONNOR LLC services-offices & clinics of doctors of medicine | 8.46M | 4.13% | 4.13% | $141.37B | Nov 14, 2023 | ▲ 1.76M |
FIL LTD services-offices & clinics of doctors of medicine | 8.17M | 3.99% | 3.99% | $136.59B | Feb 13, 2023 | ▲ 371.5K |
HBK INVESTMENTS L P services-offices & clinics of doctors of medicine | 6.48M | 3.16% | 3.16% | $108.28B | Feb 14, 2024 | ▲ 5.91M |
WESTCHESTER CAPITAL MANAGEMENT, LLC services-offices & clinics of doctors of medicine | 6.24M | 3.05% | 3.05% | $104.28B | Feb 14, 2023 | ▲ 670.7K |
OAK MANAGEMENT CORP services-offices & clinics of doctors of medicine | 5.87M | 2.87% | 2.87% | $98.14B | Feb 6, 2023 | — held |
TIG ADVISORS, LLC services-offices & clinics of doctors of medicine | 5.71M | 2.79% | 2.79% | $95.48B | Feb 14, 2023 | ▲ 3.70M |
ALPINE ASSOCIATES MANAGEMENT INC. services-offices & clinics of doctors of medicine | 5.41M | 2.64% | 2.64% | $90.34B | Feb 8, 2023 | ▲ 365.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q4 2022 vs prior quarter
Q4 2022
29
Increased
+34.05M shares4
New Positions
first time holders14
Decreased
−9.74M shares0
Sold Out
fully exitedNet shares change (top 50)
+24.31M
+34.05M / −9.74M
Net new holders
+19
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ONEM insider trading · insider activity
Source: SEC Form 4
17
Buy transactions
83
Sell transactions
0.20
Buy/Sell ratio
$15M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 332,279 | $12.16 | $4.04M | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 21,532 | $18.00 | $387.6K | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 108,182 | $27.25 | $2.95M | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 200,000 | $11.47 | $2.29M | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 52,083 | $7.93 | $413.0K | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 194,030 | — | — | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 108,834 | $42.68 | $4.65M | 0 | Form 4 ↗ |
Thaler Bjorn B Chief Financial Officer | Feb 22, 2023 | D-Return | 209,164 | $19.81 | $4.14M | 0 | Form 4 ↗ |
Rubin Amir Dan Chair, CEO and President | Feb 22, 2023 | D-Return | 477,612 | — | — | 0 | Form 4 ↗ |
Rubin Amir Dan Chair, CEO and President | Feb 22, 2023 | D-Return | 8,645,823 | $43.31 | $374.45M | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
1Life Healthcare, Inc. (ONEM) is primarily owned by institutional investors, who hold approximately 94.8% of total shares outstanding. Company insiders own approximately 8.87%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of 1Life Healthcare, Inc. is VANGUARD GROUP INC, holding approximately 17.07 million shares — equal to 8.33% of outstanding shares — as of December 31, 2022.
A total of 253 institutional investors currently hold ONEM stock, with a combined institutional value of approximately $3.27 billion as of the most recent 13F filing period.
Frequently asked questions
ONEM ownership1Life Healthcare, Inc. (ONEM) is primarily owned by institutional investors, who hold approximately 94.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 8.33% stake. Company insiders hold 8.87%. Data sourced from SEC Form 13F as of December 31, 2022.