Companies / Guardant Health, Inc. / Activity
Activity — Guardant Health, Inc.
175 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-554.33M | -3.7M -32.65% | 7,622,935 5.68% of shares | high |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $190.06M | +2.1M +94.74% | 4,229,531 3.15% of shares | high |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-128.50M | -1.3M -100.00% | 0 | high |
| Q1 2026 as of | Baillie Gifford & Co 13F manager | Trim | Common stock | $-95.23M | -1.0M -21.08% | 3,859,046 2.88% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Trim | Common stock | $-79.85M | -532K -19.04% | 2,263,504 1.69% of shares | high |
| Q1 2026 as of | Westfield Capital Management Company, L.P. 13F manager | Add | Common stock | $76.05M | +823K +152.70% | 1,362,539 1.02% of shares | high |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Exit | Common stock | $-51.64M | -506K -100.00% | 0 | high |
| Q1 2026 as of | Orbimed Advisors LLC 13F manager | New | Common stock | $40.20M | +435K | 435,200 0.32% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Add | Common stock | $32.44M | +351K +75.54% | 816,095 0.61% of shares | medium |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | Trim | Common stock | $-31.57M | -342K -81.12% | 79,526 0.06% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $31.18M | +338K +57.83% | 921,395 0.69% of shares | medium |
| Q1 2026 as of | Brown Advisory Inc 13F manager | New | Common stock | $30.44M | +330K | 329,564 0.25% of shares | medium |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $27.27M | +295K +9.19% | 3,508,883 2.61% of shares | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Trim | Common stock | $-26.09M | -174K -51.69% | 162,533 0.12% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-24.45M | -265K -43.95% | 337,600 0.25% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-18.07M | -196K -31.39% | 427,475 0.32% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Exit | Common stock | $-17.49M | -171K -100.00% | 0 | medium |
| Q1 2026 as of | Voya Investment Management LLC 13F manager | Add | Common stock | $16.13M | +175K +52.84% | 505,034 0.38% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-15.77M | -516K -58.19% | 370,894 0.28% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $14.69M | +144K +16.45% | 1,017,646 0.76% of shares | medium |
| Q1 2026 as of | Federated Hermes Inc 13F manager | Trim | Common stock | $-13.30M | -144K -7.09% | 1,887,584 1.41% of shares | medium |
| Q1 2026 as of | Perceptive Advisors LLC 13F manager | Add | Common stock | $12.93M | +140K +87.50% | 300,000 0.22% of shares | medium |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-12.06M | -417K -46.65% | 477,372 0.36% of shares | medium |
| Q4 2025 as of | Farallon Capital Management LLC 13F manager | Add | Common stock | $10.32M | +101K +1262.50% | 109,000 0.08% of shares | medium |
| Q1 2026 as of | Fuller & Thaler Asset Management, Inc. 13F manager | Add | Common stock | $10.03M | +109K +4.45% | 2,550,314 1.90% of shares | medium |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $9.57M | +464K +107.74% | 894,840 0.67% of shares | medium |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $9.40M | +410K +85.82% | 887,031 0.66% of shares | medium |
| Q2 2026 as of | Granite Investment Partners, LLC 13F manager | Trim | Common stock | $-9.37M | -62K -39.47% | 95,760 0.07% of shares | medium |
| Q1 2026 as of | Portolan Capital Management, LLC 13F manager | Trim | Common stock | $-8.31M | -90K -86.40% | 14,155 0.01% of shares | medium |
| Q1 2026 as of | Nicholas Investment Partners, LP 13F manager | Trim | Common stock | $-7.98M | -86K -88.00% | 11,786 <0.01% of shares | medium |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $7.94M | +153K +62.73% | 395,980 0.30% of shares | medium |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-7.41M | -119K -29.94% | 277,436 0.21% of shares | medium |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | Add | Common stock | $7.00M | +47K +282.73% | 63,165 0.05% of shares | medium |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $6.01M | +59K +21.21% | 336,274 0.25% of shares | medium |
| Q2 2026 as of | Temasek Holdings (Private) Limited 13F manager | Add | Common stock | $5.75M | +38K +3.89% | 1,023,927 0.76% of shares | medium |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-5.43M | -128K -34.39% | 243,338 0.18% of shares | medium |
| Q1 2026 as of | Temasek Holdings (Private) Limited 13F manager | Trim | Common stock | $-5.41M | -59K -5.61% | 985,571 0.73% of shares | medium |
| Q1 2026 as of | WCM Investment Management, LLC 13F manager | Add | Common stock | $5.33M | +62K +57.26% | 169,731 0.13% of shares | medium |
| Q2 2026 as of | LPL Financial LLC 13F manager | Trim | Common stock | $-5.26M | -35K -43.19% | 46,099 0.03% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-4.81M | -52K -8.34% | 572,650 0.43% of shares | low |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $4.63M | +45K +3.74% | 1,258,072 0.94% of shares | low |
| Q1 2026 as of | Axiom Investors LLC /De 13F manager | Trim | Common stock | $-4.58M | -50K -24.36% | 154,026 0.11% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $4.18M | +155K +56.01% | 430,755 0.32% of shares | low |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Trim | Common stock | $-4.05M | -44K -24.37% | 135,938 0.10% of shares | low |
| Q1 2026 as of | Rathbones Group PLC 13F manager | Trim | Common stock | $-3.57M | -39K -18.82% | 166,507 0.12% of shares | low |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Trim | Common stock | $-3.36M | -36K -27.77% | 94,700 0.07% of shares | low |
| Q1 2026 as of | Campbell & CO Investment Adviser LLC 13F manager | Add | Common stock | $3.31M | +36K +280.55% | 48,547 0.04% of shares | low |
| Q1 2026 as of | Agf Management Ltd 13F manager | Add | Common stock | $3.11M | +34K +21.56% | 189,952 0.14% of shares | low |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $3.00M | +32K +32.79% | 131,298 0.10% of shares | low |
| Q1 2026 as of | Bamco Inc /Ny 13F manager | New | Common stock | $2.96M | +32K | 32,000 0.02% of shares | low |