Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.85M Sell
55,200
-30,100
-35% -$2.33M ﹤0.01% 1688
2025
Q4
$7.3M Sell
85,300
-17,800
-17% -$1.54M 0.01% 1082
2025
Q3
$6.1M Sell
103,100
-50,400
-33% -$1.93M 0.01% 1377
2025
Q2
$7.89M Buy
+153,500
New +$5.56M 0.01% 1227
2024
Q3
Sell
-60,804
Closed -$935K 3960
2024
Q2
$935K Buy
+60,804
New +$986K ﹤0.01% 2362

Other funds holding GRAL

Jim Simons's GRAL Position: Q1 2026 in Review

Jim Simons reduced its GRAIL Inc (GRAL) stake by 35% in Q1 2026, selling an estimated $2.33M and leaving 55,200 shares worth $2.85M. The position accounts for ﹤0.01% of the portfolio, ranked #1688.

Jim Simons first reported a position in GRAL in Q2 2024 and has held it in 5 quarters since. The position peaked at $7.89M in Q2 2025. 365 funds tracked by Wall St. Rank hold GRAL as of Q1 2026.

  • Jim Simons held 55,200 shares of GRAIL Inc worth $2.85M as of Q1 2026.
  • Jim Simons sold 30,100 GRAIL Inc shares in Q1 2026, an estimated $2.33M.
  • GRAIL Inc made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #1688 holding.
  • Jim Simons first reported a position in GRAIL Inc in Q2 2024 and has held it in 5 quarters since.
  • Jim Simons's GRAIL Inc position peaked at $7.89M in Q2 2025.
  • 365 funds tracked by Wall St. Rank held GRAIL Inc as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.