JO
GRAL

John Overdeck’s GRAIL Inc GRAL Stock Holding History

John Overdeck’s Portfolio GRAL Stock Details GRAL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.87M Sell
27,425
-37,262
-58% -$2.19M ﹤0.01% 3048
2026
Q1 		$3.34M Sell
64,687
-36,762
-36% -$2.85M ﹤0.01% 2350
2025
Q4 		$8.68M Sell
101,449
-45,583
-31% -$3.94M 0.01% 1220
2025
Q3 		$8.69M Sell
147,032
-106,588
-42% -$4.07M 0.01% 1042
2025
Q2 		$13M Sell
253,620
-12,469
-5% -$451K 0.02% 708
2025
Q1 		$6.8M Buy
266,089
+169,459
+175% +$5.24M 0.01% 963
2024
Q4 		$1.72M Buy
+96,630
New +$1.57M ﹤0.01% 1814

Other funds holding GRAL

FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
APCM
Arbiter Partners Capital Management New York $190M AUM 50.42% 1-Year Est. Return

John Overdeck's GRAL Position: Q2 2026 in Review

John Overdeck reduced its GRAIL Inc (GRAL) stake by 58% in Q2 2026, selling an estimated $2.19M and leaving 27,425 shares worth $1.87M. The position accounts for ﹤0.01% of the portfolio, ranked #3048.

John Overdeck first reported a position in GRAL in Q4 2024 and has held it in 7 quarters since. The position peaked at $13M in Q2 2025. 371 funds tracked by Wall St. Rank hold GRAL as of Q2 2026.

  • John Overdeck held 27,425 shares of GRAIL Inc worth $1.87M as of Q2 2026.
  • John Overdeck sold 37,262 GRAIL Inc shares in Q2 2026, an estimated $2.19M.
  • GRAIL Inc made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3048 holding.
  • John Overdeck first reported a position in GRAIL Inc in Q4 2024 and has held it in 7 quarters since.
  • John Overdeck's GRAIL Inc position peaked at $13M in Q2 2025.
  • 371 funds tracked by Wall St. Rank held GRAIL Inc as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.