Ken Griffin’s Instil Bio TIL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$318K Sell
38,562
-8,773
-19% -$71.2K ﹤0.01% 10347
2025
Q4
$521K Buy
+47,335
New +$700K ﹤0.01% 8938
2024
Q2
Sell
-15,438
Closed -$167K 15402
2024
Q1
$167K Sell
15,438
-12,860
-45% -$141K ﹤0.01% 10606
2023
Q4
$216K Buy
28,298
+25,966
+1,113% +$188K ﹤0.01% 9801
2023
Q3
$20K Sell
2,332
-7,957
-77% -$80.2K ﹤0.01% 12629
2023
Q2
$113K Buy
10,289
+3,427
+50% +$41.9K ﹤0.01% 10735
2023
Q1
$90.7K Sell
6,862
-16,838
-71% -$249K ﹤0.01% 11404
2022
Q4
$299K Buy
23,700
+9,351
+65% +$462K ﹤0.01% 9332
2022
Q3
$1.39M Sell
14,349
-3,158
-18% -$361K ﹤0.01% 6310
2022
Q2
$1.62M Buy
17,507
+6,455
+58% +$914K ﹤0.01% 5996
2022
Q1
$2.38M Buy
+11,052
New +$2.58M ﹤0.01% 5710
2021
Q3
Sell
-2,799
Closed -$1.08M 14651
2021
Q2
$1.08M Sell
2,799
-64
-2% -$23.7K ﹤0.01% 8174
2021
Q1
$1.44M Buy
+2,863
New +$1.47M ﹤0.01% 7214

Other funds holding TIL

Ken Griffin's TIL Position: Q1 2026 in Review

Ken Griffin reduced its Instil Bio (TIL) stake by 19% in Q1 2026, selling an estimated $71.2K and leaving 38,562 shares worth $318K. The position accounts for ﹤0.01% of the portfolio, ranked #10347.

Ken Griffin first reported a position in TIL in Q1 2021 and has held it in 13 quarters since. The position peaked at $2.38M in Q1 2022. 32 funds tracked by Wall St. Rank hold TIL as of Q1 2026.

  • Ken Griffin held 38,562 shares of Instil Bio worth $318K as of Q1 2026.
  • Ken Griffin sold 8,773 Instil Bio shares in Q1 2026, an estimated $71.2K.
  • Instil Bio made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #10347 holding.
  • Ken Griffin first reported a position in Instil Bio in Q1 2021 and has held it in 13 quarters since.
  • Ken Griffin's Instil Bio position peaked at $2.38M in Q1 2022.
  • 32 funds tracked by Wall St. Rank held Instil Bio as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.