Guardant Health, Inc.
Total Trades
84
Buys
3
Sells
59
Largest Trade
N/A
Insiders
15
Institutional Funds
407
Inst. Value
$1M+
Activist Filings
24
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Kalia Kumud | Chief Information … | SELL | $1M+ | 40K | $95.32 | Mar 5, 2026 |
| Kalia Kumud | Chief Information … | EXERCISE | $1M+ | 43K | $37.48 | Mar 5, 2026 |
| Monroe Terilyn J. | Chief People Officer | SELL | $500K+ | 9K | $114.09 | Jan 22, 2026 |
| Monroe Terilyn J. | Chief People Officer | SELL | $1M+ | 10K | $112.08 | Jan 9, 2026 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $101.46 | Dec 18, 2025 |
| Eltoukhy Helmy | CEO | SELL | $1M+ | 91K | $103.82 | Dec 18, 2025 |
| Chudova Darya | CTO | SELL | $500K+ | 5K | $104.04 | Dec 18, 2025 |
| Talasaz AmirAli | CEO | SELL | $1M+ | 100K | $105.05 | Dec 11, 2025 |
| Kalia Kumud | Chief Information … | SELL | $100K–$500K | 2K | $104.60 | Dec 11, 2025 |
| Hidalgo Medina Manuel | Director | EXERCISE | $15K–$50K | 1K | $32.55 | Dec 11, 2025 |
| Hidalgo Medina Manuel | Director | SELL | $100K–$500K | 1K | $105.00 | Dec 11, 2025 |
| Chudova Darya | CTO | SELL | $1M+ | 23K | $105.43 | Dec 11, 2025 |
| Freeman Chris | Chief Commercial O… | SELL | $1M+ | 31K | $103.07 | Dec 9, 2025 |
| Bell Michael Brian | CFO | EXERCISE | $1M+ | 56K | $30.71 | Dec 9, 2025 |
| Bell Michael Brian | CFO | SELL | $1M+ | 80K | $103.14 | Dec 9, 2025 |
| CLARK IAN T | Director | SELL | $1M+ | 29K | $107.19 | Dec 9, 2025 |
| CLARK IAN T | Director | EXERCISE | $1M+ | 29K | $35.83 | Dec 9, 2025 |
| Monroe Terilyn J. | Chief People Officer | SELL | $1M+ | 55K | $105.97 | Dec 4, 2025 |
| Monroe Terilyn J. | Chief People Officer | EXERCISE | $1M+ | 50K | $22.68 | Dec 4, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $96.25 | Nov 21, 2025 |
| Hidalgo Medina Manuel | Director | SELL | $100K–$500K | 2K | $95.19 | Nov 11, 2025 |
| Hidalgo Medina Manuel | Director | EXERCISE | $15K–$50K | 1K | $32.55 | Nov 11, 2025 |
| Saia John G. | Chief Legal Officer | SELL | $500K+ | 9K | $96.25 | Nov 11, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $66.95 | Oct 20, 2025 |
| POTTER MYRTLE S | Director | SELL | $1K–$15K | 26 | $66.95 | Oct 20, 2025 |
| Tariq Musa | Director | EXERCISE | N/A | 249 | — | Sep 17, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $55.63 | Sep 17, 2025 |
| POTTER MYRTLE S | Director | SELL | $1K–$15K | 26 | $55.63 | Sep 17, 2025 |
| POTTER MYRTLE S | Director | EXERCISE | N/A | 68 | — | Sep 17, 2025 |
| Hidalgo Medina Manuel | Director | SELL | $100K–$500K | 2K | $54.16 | Sep 15, 2025 |
| Eltoukhy Helmy | CEO | SELL | $1M+ | 300K | $59.45 | Sep 11, 2025 |
| Joyce Meghan V. | Director | SELL | $1K–$15K | 100 | $65.84 | Sep 3, 2025 |
| Kalia Kumud | Chief Information … | SELL | $100K–$500K | 2K | $61.76 | Aug 22, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $48.20 | Jul 18, 2025 |
| POTTER MYRTLE S | Director | SELL | $1K–$15K | 26 | $48.20 | Jul 18, 2025 |
| Talasaz AmirAli | CEO | SELL | $1M+ | 100K | $50.88 | Jul 3, 2025 |
| Talasaz AmirAli | CEO | EXERCISE | N/A | 29K | — | Jul 3, 2025 |
| Tariq Musa | Director | SELL | $100K–$500K | 3K | $49.47 | Jun 20, 2025 |
| POTTER MYRTLE S | Director | SELL | $1K–$15K | 26 | $49.47 | Jun 20, 2025 |
| CLARK IAN T | Director | SELL | $100K–$500K | 7K | $48.38 | Jun 20, 2025 |
| POTTER MYRTLE S | Director | EXERCISE | N/A | 7K | — | Jun 16, 2025 |
| POTTER MYRTLE S | Director | SELL | $100K–$500K | 3K | $49.70 | Jun 16, 2025 |
| Joyce Meghan V. | Director | EXERCISE | N/A | 7K | — | Jun 16, 2025 |
| Joyce Meghan V. | Director | SELL | $100K–$500K | 3K | $47.22 | Jun 16, 2025 |
| Talasaz AmirAli | CEO | SELL | $1M+ | 119K | $50.09 | Jun 10, 2025 |
| Kalia Kumud | Chief Information … | SELL | $100K–$500K | 4K | $46.39 | Jun 5, 2025 |
| Joyce Meghan V. | Director | SELL | $1K–$15K | 100 | $41.66 | Jun 3, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $40.04 | May 20, 2025 |
| Talasaz AmirAli | CEO | SELL | $1M+ | 121K | $49.18 | May 6, 2025 |
| Tariq Musa | Director | SELL | $1K–$15K | 116 | $44.79 | Apr 18, 2025 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 407 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Capital International Investors | 3.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8M | $1M+ | SH |
| Deep Track Capital, LP | 2.8M | $1M+ | SH |
| STATE STREET CORP | 2.8M | $1M+ | SH |
| EVENTIDE ASSET MANAGEMENT, LLC | 2.5M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.4M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.4M | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 2.0M | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 1.9M | $1M+ | SH |
| Point72 Asset Management, L.P. | 1.5M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5M | $1M+ | SH |
| BAILLIE GIFFORD & CO | 1.4M | $1M+ | SH |
| Alyeska Investment Group, L.P. | 1.3M | $1M+ | SH |
| NORGES BANK | 1.3M | $1M+ | SH |
| Erste Asset Management GmbH | 1.0M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 1.0M | $1M+ | SH |
| CADIAN CAPITAL MANAGEMENT, LP | 923K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 862K | $1M+ | SH |
| ARK Investment Management LLC | 692K | $1M+ | SH |
| Sumitomo Mitsui Trust Group, Inc. | 641K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · May 15, 2025
4.4%
5.4M shares
SC 13G/A · Apr 17, 2025
7.5%
9.3M shares
SC 13G/A · Feb 13, 2025
4.2%
5.2M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2025
3.9%
4.9M shares
SC 13G · Nov 14, 2024
5.7%
7.0M shares
Wellington Management Group LLP
SC 13G · Nov 8, 2024
8.2%
10.1M shares
SC 13G · Oct 7, 2024
5.3%
6.6M shares
SC 13G/A · Oct 7, 2024
4.9%
6.0M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G/A · Jul 5, 2024
5.0%
6.1M shares
SC 13G · Apr 12, 2024
5.8%
7.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.2%
11.1M shares
Capital International Investors 95-1411037
SC 13G/A · Feb 9, 2024
3.4%
4.0M shares
Baillie Gifford & Co (Scottish partnership)
SC 13G · Jan 29, 2024
5.2%
6.2M shares
SC 13G/A · Jan 25, 2024
8.9%
10.8M shares
SC 13G/A · Mar 10, 2023
8.7%
8.9M shares
SC 13G/A · Feb 14, 2023
4.0%
4.1M shares
Capital International Investors 95-1411037
SC 13G · Feb 13, 2023
7.7%
7.9M shares
Capital Research Global Investors 95-1411037
SC 13G/A · Feb 13, 2023
2.0%
2.0M shares
SC 13G · Feb 3, 2023
5.4%
5.5M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G/A · Dec 9, 2022
4.8%
5.0M shares
SC 13G/A · Mar 9, 2022
4.9%
5.0M shares
Capital Research Global Investors 95-1411037
SC 13G · Feb 11, 2022
7.8%
7.9M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G · Feb 10, 2022
5.6%
5.7M shares
SC 13G · Jan 18, 2022
5.0%
5.1M shares