Astrana Health, Inc. (ASTH) Ownership
ASTH ownership summary
as of October 18, 2026- Institutions
- 66.7% of shares outstanding
- Insiders
- 22.78% of shares outstanding
- Shares outstanding
- 49.6M
- Float
- 38.8M shares available to trade
- Short interest
- 11.86% 3.1M shares short
- Days to cover
- 7.56 short interest down 5.7% vs prior month
- Institutions 66.71%
- Insiders 22.78%
- Other investors 10.51%
ASTH top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 13.91% | 6.9M | $254.0M | +736,263 (+11.9%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.25% | 2.6M | $95.9M | +328,969 (+14.4%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 3.92% | 1.9M | $71.6M | +236,169 (+13.8%) | June 30, 2026 |
| 4 | State Street Corp | 3.51% | 1.7M | $64.0M | +88,440 (+5.4%) | June 30, 2026 |
| 5 | 325 Capital LLC | 3.25% | 1.6M | $59.4M | −225,233 (−12.2%) | June 30, 2026 |
| 6 | Dimensional Fund Advisors, Inc. | 2.96% | 1.5M | $54.1M | +100,429 (+7.3%) | June 30, 2026 |
| 7 | Wellington Management Company LLP | 2.61% | 1.3M | $47.6M | −49,251 (−3.7%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.35% | 1.2M | $43.0M | +129,889 (+12.5%) | June 30, 2026 |
| 9 | Bank of America Corp | 1.72% | 852K | $31.4M | +277,416 (+48.3%) | June 30, 2026 |
| 10 | 683 Capital Management LLC | 1.41% | 700K | $25.8M | +700,000 (0.0%) | March 31, 2026 |
| 11 | FMR Inc | 1.38% | 686K | $25.2M | +269,797 (+64.8%) | June 30, 2026 |
| 12 | Wells Fargo & Co | 1.34% | 665K | $24.5M | +561,941 (+545.6%) | June 30, 2026 |
| 13 | Charles Schwab Investment Management Inc | 1.32% | 653K | $24.0M | +8,498 (+1.3%) | June 30, 2026 |
| 14 | Ameriprise Financial Inc | 1.03% | 512K | $18.9M | −39,489 (−7.2%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.02% | 505K | $18.6M | +66,881 (+15.3%) | June 30, 2026 |
| 16 | Diamond Hill Capital Management, LLC | 0.96% | 476K | $17.5M | −68,093 (−12.5%) | June 30, 2026 |
| 17 | Royce & Associates, LP | 0.95% | 472K | $17.4M | +75,519 (+19.0%) | June 30, 2026 |
| 18 | Steel Peak Wealth Management LLC | 0.94% | 465K | $17.1M | −95,000 (−17.0%) | June 30, 2026 |
| 19 | Morgan Stanley - Brokerage Accounts | 0.87% | 434K | $16.0M | +94,705 (+28.0%) | June 30, 2026 |
| 20 | Amvescap Plc. | 0.77% | 382K | $14.1M | +30,718 (+8.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 3.7M shares and 5 cut 477K.
ASTH top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.04% | 2.5M | $92.0M | +645 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.86% | 1.4M | $52.2M | −6,462 (−0.5%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.37% | 1.2M | $43.3M | −13,568 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.02% | 1.0M | $37.0M | −20,248 (−2.0%) | September 30, 2026 |
| 5 | Vanguard MStar Small Cap Growth Indx Inv | 1.13% | 559K | $20.6M | −28,267 (−4.8%) | September 30, 2026 |
| 6 | Fidelity Small Cap Index | 1.01% | 499K | $18.4M | +4,492 (+0.9%) | July 31, 2026 |
| 7 | Diamond Hill Small Cap Inv | 1.00% | 495K | $18.2M | +4,000 (+0.8%) | September 30, 2026 |
| 8 | iShares Russell 2000 Growth ETF | 0.86% | 427K | $15.7M | −540 (−0.1%) | September 30, 2026 |
| 9 | Fidelity Select Health Care Svcs Port | 0.81% | 403K | $14.8M | −7,400 (−1.8%) | August 31, 2026 |
| 10 | State Street SPDR Port S&P 600 Sm CpETF | 0.77% | 380K | $14.0M | — | September 30, 2026 |
| 11 | iShares S&P Small-Cap 600 Value ETF | 0.72% | 355K | $13.1M | — | September 30, 2026 |
| 12 | Fidelity Small Cap Growth | 0.64% | 319K | $11.7M | +210,823 (+195.7%) | July 31, 2026 |
| 13 | Vanguard Tax-Managed Small Cap Adm | 0.61% | 304K | $11.2M | — | September 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.53% | 265K | $9.8M | +3,077 (+1.2%) | September 30, 2026 |
| 15 | Schwab US Small-Cap ETF™ | 0.45% | 222K | $8.2M | +144 (+0.1%) | September 30, 2026 |
| 16 | State Street® SPDR® S&P 600™ Sm CpValETF | 0.44% | 220K | $8.1M | — | September 30, 2026 |
| 17 | Royce Small-Cap Opportunity Invmt | 0.43% | 215K | $7.9M | −7,918 (−3.6%) | September 30, 2026 |
| 18 | FTGF RY US SmCp Opp A USD Dis(A) | 0.42% | 210K | $7.7M | −8,205 (−3.8%) | August 31, 2026 |
| 19 | Fidelity Extended Market Index | 0.42% | 209K | $7.7M | −2,056 (−1.0%) | August 31, 2026 |
| 20 | DFA US Small Cap I | 0.40% | 198K | $7.3M | +1,635 (+0.8%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ASTH insider transactions
latest 8| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-01-10 | Judy Chu | Sell | $37.66 | — | — |
| 2024-01-10 | Judy Chu | Buy | $37.66 | — | — |
| 2022-06-17 | Linda Marsh | Sell | $37.00 | 250,000 | $9.2M |
| 2021-08-17 | Physicians Of Californi Allied | Buy | $73.67 | 40,000 | $2.9M |
| 2021-06-15 | Albert Waichow Young | Sell | $48.58 | 5,000 | $242,900 |
| 2021-05-13 | Brandon Sim | Buy | $31.40 | 1,000 | $31,400 |
| 2021-04-28 | Physicians Of Californi Allied | Buy | $24.50 | 100,000 | $2.5M |
| 2021-04-01 | Physicians Of Californi Allied | Sell | $24.50 | 1,638,045 | $40.1M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ASTH shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ASTH
Institutional investors own 66.7% of Astrana Health's shares and insiders 22.78%. The largest holder is BlackRock Inc with 13.91% of the shares (6.9M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 11.86% of the float, or 7.56 days of average trading volume. The share count rose 918.4% since 2014.
Related: ASTH analyst forecast, ASTH key metrics. See the ASTH stock overview for the latest quote and news.
ASTH ownership FAQ
Who owns the most Astrana Health stock?
The largest shareholders of Astrana Health are BlackRock Inc (13.91%), Vanguard Portfolio Management, LLC (5.25%), Vanguard Capital Management, LLC (3.92%), State Street Corp (3.51%), 325 Capital LLC (3.25%).
What percentage of Astrana Health is owned by institutions?
Institutions hold 66.7% of Astrana Health's shares outstanding; insiders hold 22.78%.
Which funds own Astrana Health?
The largest fund holders of Astrana Health are iShares Core S&P Small-Cap ETF (5.04%), Vanguard MStar Total Stk Mkt Idx Invest (2.86%), iShares Russell 2000 ETF (2.37%), Vanguard Small Cap Index (2.02%), Vanguard MStar Small Cap Growth Indx Inv (1.13%).
What is Astrana Health's short interest?
3.1M shares of Astrana Health were sold short, 11.86% of the float; at the average daily volume it would take 7.56 days to cover.
Are insiders buying or selling Astrana Health?
Of the latest 8 reported insider transactions in Astrana Health (since April 1, 2021), 4 were purchases and 4 were sales.
How many shares of Astrana Health are outstanding?
Astrana Health has 49.6M shares outstanding, of which 38.8M are in the public float.