GH
Guardant Health Inc
183.10$
+4.7%
vs. previous close
Closing price · As of: Sep 17, 2026
Ownership
Ownership Structure
Who owns Guardant Health Inc (GH)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.5% of the shares are freely tradable; institutional investors hold 106.0%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
106.0%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
4.0%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
96.5%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
8.6%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
134Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.61 | 11,553,759 | +2.1 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 5.23 | 7,023,689 | +24.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.35 | 5,837,992 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.19 | 5,624,180 | +0.0 | 03/31/2026 |
| Amvescap Plc. | 3.69 | 4,946,469 | -7.0 | 03/31/2026 |
| The Goldman Sachs Group Inc | 3.31 | 4,435,839 | +68.8 | 03/31/2026 |
| FMR Inc | 3.07 | 4,116,081 | +71.8 | 03/31/2026 |
| Two Sigma Investments LLC | 2.77 | 3,719,301 | -12.1 | 06/30/2026 |
| Geode Capital Management, LLC | 2.61 | 3,508,883 | +9.2 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.99 | 4,012,037 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Eltoukhy Helmy | Co-Chief Executive Officer | 2,000,934 | 366,371,015 $ | Aug 26, 2026 | indirect |
| Freeman Chris | Chief Commercial Officer | 65,374 | 11,969,979 $ | Aug 10, 2026 | direct |
| Kalia Kumud | Chief Information Officer | 39,794 | 7,286,281 $ | Sep 11, 2026 | direct |
| Saia John G. | Chief Legal Officer | 38,991 | 7,139,252 $ | Aug 10, 2026 | direct |
| Talasaz AmirAli | Co-Chief Executive Officer | 37,500 | 6,866,250 $ | Aug 21, 2026 | indirect |
| Monroe Terilyn J. | Chief People Officer | 22,979 | 4,207,455 $ | Aug 12, 2026 | direct |
| Tariq Musa | Director | 11,316 | 2,071,960 $ | Aug 17, 2026 | direct |
| Mignone Roberto | Director | 10,010 | 1,832,831 $ | Aug 21, 2026 | direct |
| Hidalgo Medina Manuel | Director | 4,788 | 876,683 $ | Aug 17, 2026 | direct |
| Clark Ian T | Director | 2,975 | 544,723 $ | Aug 4, 2026 | indirect |
| Azar Alex M II | Director | 1,651 | 302,298 $ | Sep 12, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 12, 2026 | Azar Alex M II | Director | Other | 1,651 | 0.00 | – |
| Sep 11, 2026 | Kalia Kumud | Chief Information Officer | Sell | 4,000 | 158.05 | 632,193 |
| Aug 26, 2026 | Eltoukhy Helmy | Co-Chief Executive Officer | Other | 30,000 | 0.00 | – |
| Aug 26, 2026 | Eltoukhy Helmy | Co-Chief Executive Officer | Other | 25,000 | 0.00 | – |
| Aug 21, 2026 | Talasaz AmirAli | Co-Chief Executive Officer | Sell | 7,589 | 170.29 | 1,292,302 |
| Aug 21, 2026 | Talasaz AmirAli | Co-Chief Executive Officer | Sell | 20,888 | 169.16 | 3,533,452 |
| Aug 21, 2026 | Talasaz AmirAli | Co-Chief Executive Officer | Sell | 9,023 | 168.20 | 1,517,631 |
| Aug 21, 2026 | Mignone Roberto | Director | Other | 264 | 0.00 | – |
| Aug 17, 2026 | Tariq Musa | Director | Sell | 116 | 156.45 | 18,148 |
| Aug 17, 2026 | Hidalgo Medina Manuel | Director | Other | 232 | 0.00 | – |
| Aug 15, 2026 | Tariq Musa | Director | Other | 250 | 0.00 | – |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Sell | 400 | 167.92 | 67,168 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Sell | 13,248 | 166.11 | 2,200,584 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Sell | 19,014 | 165.16 | 3,140,310 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Sell | 9,934 | 164.27 | 1,631,870 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Sell | 3,704 | 163.41 | 605,286 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Other | 14,012 | 28.61 | 400,883 |
| Aug 12, 2026 | Monroe Terilyn J. | Chief People Officer | Other | 32,288 | 20.14 | 650,280 |
| Aug 11, 2026 | Eltoukhy Helmy | Co-Chief Executive Officer | Other | 35,000 | 0.00 | – |
| Aug 10, 2026 | Talasaz AmirAli | Co-Chief Executive Officer | Other | 75,000 | 0.00 | – |
| Aug 10, 2026 | Saia John G. | Chief Legal Officer | Other | 800 | 0.00 | – |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Sell | 17,413 | 170.24 | 2,964,401 |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Sell | 35,364 | 169.63 | 5,998,926 |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Sell | 7,365 | 168.79 | 1,243,145 |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Sell | 3,463 | 167.38 | 579,639 |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Other | 28,193 | 28.37 | 799,835 |
| Aug 10, 2026 | Freeman Chris | Chief Commercial Officer | Other | 35,412 | 110.49 | 3,912,672 |
| Aug 5, 2026 | Hidalgo Medina Manuel | Director | Sell | 750 | 164.61 | 123,454 |
| Aug 5, 2026 | Hidalgo Medina Manuel | Director | Sell | 950 | 163.95 | 155,748 |
| Aug 5, 2026 | Hidalgo Medina Manuel | Director | Other | 950 | 32.55 | 30,923 |
| Aug 4, 2026 | Clark Ian T | Director | Sell | 5,092 | 158.80 | 808,626 |
| Aug 4, 2026 | Clark Ian T | Director | Sell | 9,088 | 158.98 | 1,444,825 |
| Aug 4, 2026 | Clark Ian T | Director | Other | 6,833 | 50.57 | 345,545 |
| Aug 4, 2026 | Clark Ian T | Director | Other | 2,255 | 91.11 | 205,453 |
| Jul 21, 2026 | Mignone Roberto | Director | Other | 264 | 0.00 | – |
| Jul 17, 2026 | Hidalgo Medina Manuel | Director | Other | 232 | 0.00 | – |
| Jul 16, 2026 | Tariq Musa | Director | Sell | 116 | 163.29 | 18,942 |
| Jul 15, 2026 | Tariq Musa | Director | Other | 250 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.