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Redwood City Today
By the People, for the People
Polar Asset Management Reduces Stake in Guardant Health
Hedge fund decreases holdings in cancer diagnostics company by over 86%
Mar. 20, 2026 at 9:20am
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Polar Asset Management Partners Inc. has significantly reduced its stake in Guardant Health, Inc. (NASDAQ:GH), a precision oncology company specializing in blood-based cancer diagnostics. The fund sold 154,251 shares of Guardant Health, decreasing its holdings by 86.7% in the third quarter.
Why it matters
Guardant Health is a prominent player in the growing field of liquid biopsy cancer diagnostics, which aims to detect and profile cancer through blood samples rather than invasive tissue biopsies. Polar Asset Management's decision to substantially reduce its position in the company could signal a shift in investor sentiment or a strategic portfolio rebalancing.
The details
According to a regulatory filing, Polar Asset Management Partners Inc. now owns 23,595 shares of Guardant Health, worth approximately $1.47 million at the end of the most recent reporting period. This represents a significant decrease from the 177,846 shares the fund held in the previous quarter. The sale of 154,251 shares equates to an 86.7% reduction in Polar Asset Management's position in Guardant Health.
- Polar Asset Management Partners Inc. decreased its holdings in Guardant Health, Inc. in the 3rd quarter of 2025.
The players
Polar Asset Management Partners Inc.
A hedge fund that has significantly reduced its stake in Guardant Health, Inc.
Guardant Health, Inc.
A precision oncology company specializing in blood-based cancer diagnostics.
The takeaway
Polar Asset Management's decision to substantially reduce its position in Guardant Health could signal a shift in investor sentiment or a strategic portfolio rebalancing, but the reasons behind the move are not entirely clear. The company's role in the growing liquid biopsy cancer diagnostics market remains an area of interest for investors and industry observers.
