Updated
GRAILGRAL · Healthcare
$121.44+1.94%
Market cap$5.4B
IndustryDiagnostics & Research

GRAIL (GRAL) Superinvestor holders

17 of the superinvestors we track hold GRAIL (GRAL) in their latest 13F filings, $491M in total.

Summary

The largest holder is Tom Steyer (Farallon Capital Management LLC), with $284M, 1.7% of the portfolio.

In their latest quarter: 2 opened a new position, 4 added, 10 trimmed.

Who holds it

Each investor's latest 13F filing, largest stake first. What a 13F shows.

InvestorLast changeSharesValue% of portfolioFiled for
Tom Steyer
Farallon Capital Management LLC
Added 4,161,584$284M 1.7%Q2 2026
PRIMECAP Management
PRIMECAP Management Co
Added 2,180,106$149M 0.1%Q2 2026
Mark Kingdon
Kingdon Capital Management
New position 340,000$23M 3.1%Q2 2026
Cliff Asness
AQR Capital Management
Trimmed 211,341$14M 0.0%Q2 2026
David Shaw
D. E. Shaw & Co.
Added 116,102$8M 0.0%Q2 2026
Mario Gabelli
GAMCO Investors
Trimmed 66,713$5M 0.0%Q2 2026
Two Sigma
Two Sigma Investments
Trimmed 27,425$2M 0.0%Q2 2026
Joel Greenblatt
Gotham Asset Management
Added 23,940$2M 0.0%Q2 2026
Acadian
Acadian Asset Management
Trimmed 11,123$2M 0.0%Q3 2026
Jim Simons
Renaissance Technologies
Trimmed 9,200$628,084 0.0%Q2 2026
Man Group
Man Group plc
Trimmed 7,659$522,880 0.0%Q2 2026
Ron Baron
Baron Capital (BAMCO)
Trimmed 7,449$508,543 0.0%Q2 2026
Paul Marshall
Marshall Wace
Trimmed 6,202$423,411 0.0%Q2 2026
Alan Howard
Brevan Howard
New position 5,396$368,385 0.0%Q2 2026
Alan Breed
Edgewood Management
Trimmed 5,000$341,350 0.0%Q2 2026
Ensign Peak
Ensign Peak Advisors
Trimmed 2,327$158,864 0.0%Q2 2026
Aziz Hamzaogullari
Loomis Sayles & Co
Held 6$387 0.0%Q2 2026

Holders by quarter

QuarterSuperinvestors holding it
Q2 202617
Q1 202617
Q4 202520
Q3 202519
Q2 202518
Q1 202513
Q4 202412
Q3 202410

Questions about GRAIL

Which superinvestors own GRAIL?

17 of the superinvestors we track hold GRAIL (GRAL) in their latest 13F filings, $491M in total. Tom Steyer, PRIMECAP Management, Mark Kingdon, Cliff Asness, David Shaw, Mario Gabelli.

Who is the largest superinvestor holder of GRAL?

The largest holder is Tom Steyer (Farallon Capital Management LLC), with $284M, 1.7% of the portfolio.

From GRAIL's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.

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