Guardant Health GH Institutional Ownership

Updated Nov 4, 2026

Guardant Health, Inc. (NASDAQ:GH) was reported as a holding by 597 institutional investors in 13F filings for the quarter ended June 30, 2026.

• Total holdings of Guardant Health shares fell 2.55% from Q1 2026, and the number of holders rose 64.46% from Q2 2025.
• Looking at the 597 holders of GH individually, 356 added to their positions, 180 reduced their stakes and 61 left their positions unchanged.
• In total, institutional investors held 133.78Mn shares of Guardant Health at the end of Q2 2026, down 3.5Mn from the prior quarter and up 13.33Mn from a year earlier.
• As of June 30, 2026, BlackRock, Inc. held the largest stake in Guardant Health with 7.62Mn shares.
• The biggest increases in GH positions during Q2 2026 came from Jane Street Group, LLC (+1.78Mn shares), Ameriprise Financial Inc (+1.74Mn shares), FMR LLC (+1.37Mn shares), D. E. Shaw & Co., Inc. (+828.18K shares) and Millennium Management LLC (+701.06K shares).
• Among holders that kept a stake in Guardant Health, the biggest sellers in Q2 2026 were BlackRock, Inc. (-3.93Mn shares), Pier 88 Investment Partners LLC (-2.05Mn shares), Baillie Gifford & Co (-1.57Mn shares), Geode Capital Management, LLC (-987.29K shares) and Alyeska Investment Group, L.P. (-841.75K shares).
• Business Quant data shows the 10 biggest positions in Guardant Health as of Q2 2026 were held by BlackRock, Inc. (7.62Mn shares), T. Rowe Price Associates Inc (6.51Mn shares), Vanguard Capital Management LLC (5.76Mn shares), FMR LLC (5.49Mn shares), Vanguard Portfolio Management LLC (5.45Mn shares), Invesco Ltd. (4.43Mn shares), Goldman Sachs Group Inc (3.78Mn shares), Two Sigma Investments, LP (3.72Mn shares), Capital International Investors (3.4Mn shares) and Deep Track Capital, LP (3.39Mn shares).