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Guardant Health, Inc.

GH
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0001576280

In the last 90 days, Guardant Health, Inc. insiders filed 0 open-market purchases and 12 sales; 599 institutions reported holding it in 13F filings for Q2 2026, worth $20.0B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Guardant Health, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
486
−4 vs. Q4 2025
Shares held
135.2M
+17.6M (+15.0%) vs. Q4 2025
Total value
$12.5B
+$490.6M (+4.1%) vs. Q4 2025
New holders
73
194 more added
Sold out
77
158 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 486 institutions
Q1 2021: 420 institutionsQ2 2021: 417 institutionsQ3 2021: 375 institutionsQ4 2021: 397 institutionsQ1 2022: 356 institutionsQ2 2022: 333 institutionsQ3 2022: 328 institutionsQ4 2022: 292 institutionsQ1 2023: 280 institutionsQ2 2023: 301 institutionsQ3 2023: 297 institutionsQ4 2023: 295 institutionsQ1 2024: 258 institutionsQ2 2024: 282 institutionsQ3 2024: 271 institutionsQ4 2024: 298 institutionsQ1 2025: 342 institutionsQ2 2025: 366 institutionsQ3 2025: 396 institutionsQ4 2025: 498 institutionsQ1 2026: 486 institutionsQ2 2026: 599 institutions
Value heldQ1 2026: $12.5B
Q1 2021: $13.9BQ2 2021: $11.1BQ3 2021: $11.8BQ4 2021: $9.24BQ1 2022: $6.11BQ2 2022: $3.75BQ3 2022: $5.04BQ4 2022: $2.53BQ1 2023: $2.17BQ2 2023: $3.95BQ3 2023: $3.21BQ4 2023: $2.99BQ1 2024: $2.30BQ2 2024: $3.32BQ3 2024: $2.86BQ4 2024: $3.65BQ1 2025: $5.10BQ2 2025: $6.47BQ3 2025: $7.65BQ4 2025: $13.4BQ1 2026: $12.5BQ2 2026: $20.0B
Institutions holding GH and their total value by quarter
QuarterHoldersValue
Q2 2026599$20.0B
Q1 2026486$12.5B
Q4 2025498$13.4B
Q3 2025396$7.65B
Q2 2025366$6.47B
Q1 2025342$5.10B
Q4 2024298$3.65B
Q3 2024271$2.86B
Q2 2024282$3.32B
Q1 2024258$2.30B
Q4 2023295$2.99B
Q3 2023297$3.21B
Q2 2023301$3.95B
Q1 2023280$2.17B
Q4 2022292$2.53B
Q3 2022328$5.04B
Q2 2022333$3.75B
Q1 2022356$6.11B
Q4 2021397$9.24B
Q3 2021375$11.8B
Q2 2021417$11.1B
Q1 2021420$13.9B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Guardant Health, Inc.; share changes are against Q4 2025.

Institutions holding GH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.11,553,759$1.07B0.02%+236,045+2.1%Added
Price T Rowe Associates Inc7,023,689$648.8M0.08%+1,387,611+24.6%Added
Vanguard Portfolio Management LLC5,837,992$539.3M0.03%+5,837,992New
Vanguard Capital Management LLC5,624,180$519.5M0.01%+5,624,180New
Invesco Ltd.4,946,469$456.9M0.04%−369,465−7.0%Reduced
Goldman Sachs Group Inc4,435,839$409.7M0.05%+1,808,130+68.8%Added
Two Sigma Investments, LP4,229,531$390.7M0.32%+2,057,628+94.7%Added
FMR LLC4,116,081$380.2M0.02%+1,719,648+71.8%Added
Baillie Gifford & Co3,859,046$356.5M0.36%−1,030,980−21.1%Reduced
Geode Capital Management, LLC3,508,883$324.2M0.02%+295,226+9.2%Added
Capital International Investors3,481,318$321.6M0.08%−47,338−1.3%Reduced
Franklin Resources Inc3,448,193$318.5M0.08%+86,646+2.6%Added
Deep Track Capital, LP3,338,241$308.4M6.36%+538,241+19.2%Added
State Street Corp2,884,620$266.5M0.01%+88,893+3.2%Added
Fuller & Thaler Asset Management, Inc.2,550,314$235.6M0.79%+108,584+4.4%Added
Eventide Asset Management, LLC2,362,379$218.1M3.61%−148,712−5.9%Reduced
Alliancebernstein L.P.1,905,637$194.6M0.06%+4,329+0.2%Added
Lord, Abbett & Co. LLC1,899,113$175.4M0.57%−89,870−4.5%Reduced
Federated Hermes, Inc.1,887,584$174.4M0.28%−143,978−7.1%Reduced
UBS Asset Management Americas Inc1,623,511$150.0M0.03%−292,070−15.2%Reduced
Driehaus Capital Management LLC1,524,282$140.8M1.03%−618,911−28.9%Reduced
Alyeska Investment Group, L.P.1,489,566$137.6M0.39%+145,912+10.9%Added
Morgan Stanley1,487,324$137.4M0.01%+333,025+28.9%Added
RTW Investments, LP1,481,033$136.8M1.36%00.0%Unchanged
Charles Schwab Investment Management Inc1,451,803$134.1M0.02%−5,873−0.4%Reduced
Ameriprise Financial Inc1,414,886$130.7M0.03%+652,291+85.5%Added
UBS Group AG1,405,837$129.9M0.02%−304,332−17.8%Reduced
Bank of New York Mellon Corp1,391,187$128.5M0.02%+25,030+1.8%Added
Westfield Capital Management Co LP1,362,539$125.9M0.53%+823,349+152.7%Added
Hood River Capital Management LLC1,310,065$121.0M1.21%+331,550+33.9%Added
Manufacturers Life Insurance Company, The1,205,701$111.4M0.10%+569,766+89.6%Added
Northern Trust Corp1,112,439$102.8M0.01%+9,648+0.9%Added
Temasek Holdings (Private) Ltd985,571$91.0M0.31%−58,526−5.6%Reduced
Wellington Management Group LLP972,563$89.8M0.02%+566,044+139.2%Added
William Blair Investment Management, LLC951,114$87.9M0.29%+951,114New
Millennium Management LLC921,395$85.1M0.06%+337,588+57.8%Added
Bank of America Corp895,221$82.7M0.01%−122,425−12.0%Reduced
Vanguard Fiduciary Trust Co889,936$82.2M0.02%+889,936New
American Century Companies Inc867,537$80.1M0.04%+787,934+989.8%Added
Summit Partners Public Asset Management, LLC862,915$79.7M3.69%+10,957+1.3%Added
Emerald Advisers, LLC841,917$77.8M2.46%−19,907−2.3%Reduced
Adage Capital Partners GP, L.L.C.816,095$75.4M0.12%+351,190+75.5%Added
Artisan Partners Limited Partnership814,571$75.2M0.12%+524,219+180.5%Added
Cadian Capital Management, LP779,648$72.0M8.77%−142,980−15.5%Reduced
Citadel Advisors LLC775,941$71.7M0.05%+211,599+37.5%Added
Erste Asset Management GmbH815,917$70.3M0.65%−230,000−22.0%Reduced
T. Rowe Price Investment Management, Inc.755,707$69.8M0.05%+755,707New
Point72 Asset Management, L.P.695,940$64.3M0.11%−803,229−53.6%Reduced
Fred Alger Management, LLC622,259$57.5M0.25%+32,603+5.5%Added
Allspring Global Investments Holdings, LLC608,826$55.5M0.09%−9,773−1.6%Reduced
BNP Paribas Arbitrage, SA572,650$52.9M0.03%−52,126−8.3%Reduced
Emerald Mutual Fund Advisers Trust519,545$48.0M2.33%−4,387−0.8%Reduced
Voya Investment Management LLC505,034$46.6M0.05%+174,605+52.8%Added
Braidwell LP499,712$46.2M1.54%+499,712New
ARK Investment Management LLCSuperinvestorARK Invest486,675$45.0M0.35%−204,972−29.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.483,767$44.7M0.03%−156,738−24.5%Reduced
Nikko Asset Management Americas, Inc.483,557$44.6M0.63%−156,738−24.5%Reduced
Aristotle Atlantic Partners, LLC445,530$41.2M1.93%−48,856−9.9%Reduced
Nuveen, LLC438,357$40.5M0.01%−35,094−7.4%Reduced
OrbiMed Advisors LLC435,200$40.2M0.91%+435,200New
D. E. Shaw & Co., Inc.427,475$39.5M0.03%−195,582−31.4%Reduced
Victory Capital Management Inc393,836$36.4M0.02%+16,791+4.5%Added
SEI Investments Co341,013$31.5M0.03%+79,071+30.2%Added
Renaissance Technologies LLC337,600$31.2M0.05%−264,700−43.9%Reduced
Brown Advisory Inc329,564$30.4M0.05%+329,564New
Raymond James Financial Inc338,389$30.0M0.01%+9,757+3.0%Added
Casdin Capital, LLC315,000$29.1M2.20%−65,000−17.1%Reduced
Eagle Health Investments LP310,281$28.7M6.02%+26,181+9.2%Added
Styrax Capital, LP300,000$27.7M1.94%+18,411+6.5%Added
Perceptive Advisors LLC300,000$27.7M0.55%+140,000+87.5%Added
Walleye Capital LLC291,926$27.0M0.17%+37,624+14.8%Added
JPMorgan Chase & Co304,317$26.2M0.00%+33,278+12.3%Added
First Light Asset Management, LLC280,299$25.9M2.32%−14,452−4.9%Reduced
Deutsche Bank AG255,187$23.6M0.01%−81,241−24.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.254,788$23.5M0.05%−11,704−4.4%Reduced
Barclays PLC253,959$23.5M0.01%−82,315−24.5%Reduced
Picton Mahoney Asset Management249,991$23.1M0.24%+90,962+57.2%Added
Samlyn Capital, LLC249,137$23.0M0.40%+249,137New
Universal- Beteiligungs- und Servicegesellschaft mbH244,051$22.5M0.04%−43,403−15.1%Reduced
Blue Water Life Science Advisors, LLC242,247$22.4M17.94%−112,800−31.8%Reduced
Massachusetts Financial Services Co238,462$22.0M0.01%+981+0.4%Added
Nomura Asset Management International Inc.234,376$21.6M0.04%+21,429+10.1%Added
Segall Bryant & Hamill, LLC232,222$21.5M0.31%−12,044−4.9%Reduced
Sicart Associates LLC230,103$21.3M5.46%+1,900+0.8%Added
Swiss National Bank222,100$20.5M0.01%+800+0.4%Added
California Public Employees Retirement System215,468$19.9M0.01%+376+0.2%Added
Jennison Associates LLC203,778$18.8M0.01%−966,559−82.6%Reduced
TD Asset Management Inc195,300$18.0M0.01%+14,252+7.9%Added
Squarepoint Ops LLC191,740$17.7M0.04%+54,846+40.1%Added
Agf Management Ltd189,952$17.5M0.08%+33,696+21.6%Added
Russell Investments Group, Ltd.188,140$17.4M0.02%−23,252−11.0%Reduced
Principal Financial Group Inc184,846$17.1M0.01%+31,064+20.2%Added
Dimensional Fund Advisors LP182,727$16.9M0.00%−123,826−40.4%Reduced
Citigroup Inc174,072$16.1M0.01%−14,816−7.8%Reduced
Polar Capital Holdings Plc173,326$16.0M0.07%+15,841+10.1%Added
Rathbone Brothers plc166,507$15.4M0.06%−38,606−18.8%Reduced
Castleark Management LLC160,283$14.8M0.49%−4,760−2.9%Reduced
WCM Investment Management, LLC169,731$14.6M0.03%+61,800+57.3%Added
Rhumbline Advisers157,909$14.6M0.01%+2,091+1.3%Added
Axiom Investors LLC154,026$14.2M0.16%−49,616−24.4%Reduced