Jane Street
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Jane Street’s Adicet Bio ACET Stock Holding History

Jane Street’s Portfolio ACET Stock Details ACET Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$610K Buy
70,561
+33,477
+90% +$264K ﹤0.01% 7566
2026
Q1 		$253K Buy
+37,084
New +$278K ﹤0.01% 9608
2025
Q4 		– Sell
-11,638
Closed -$151K – 10967
2025
Q3 		$151K Buy
+11,638
New +$137K ﹤0.01% 9879
2025
Q2 		– Sell
-1,019
Closed -$12.3K – 9494
2025
Q1 		$12.3K Buy
1,019
+249
+32% +$3.56K ﹤0.01% 9184
2024
Q4 		$11.8K Sell
770
-3,903
-84% -$73.7K ﹤0.01% 9167
2024
Q3 		$108K Sell
4,673
-8,267
-64% -$185K ﹤0.01% 8970
2024
Q2 		$251K Buy
12,940
+9,278
+253% +$249K ﹤0.01% 8078
2024
Q1 		$138K Buy
3,662
+2,224
+155% +$92K ﹤0.01% 8394
2023
Q4 		$43.5K Buy
+1,438
New +$31.4K ﹤0.01% 8805
2023
Q2 		– Sell
-9,802
Closed -$903K – 8588
2023
Q1 		$903K Buy
9,802
+8,752
+834% +$1.1M ﹤0.01% 5189
2022
Q4 		$150K Sell
1,050
-12,225
-92% -$3.05M ﹤0.01% 7858
2022
Q3 		$3.02M Buy
+13,275
New +$3.37M ﹤0.01% 3445
2021
Q2 		– Sell
-1,138
Closed -$238K – 9685
2021
Q1 		$238K Buy
+1,138
New +$261K ﹤0.01% 8030
2020
Q3 		– Sell
-455
Closed -$110K – 7067
2020
Q2 		$110K Buy
+455
New +$89.4K ﹤0.01% 6676
2019
Q2 		– Sell
-154
Closed -$117K – 5057
2019
Q1 		$117K Buy
+154
New +$140K ﹤0.01% 4752

Other funds holding ACET

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
SCM
Stonepine Capital Management Bend, Oregon $177M AUM 91.13% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return

Jane Street's ACET Position: Q2 2026 in Review

Jane Street increased its Adicet Bio (ACET) stake by 90% in Q2 2026, buying an estimated $264K and bringing the position to 70,561 shares worth $610K. The position accounts for ﹤0.01% of the portfolio, ranked #7566.

Jane Street first reported a position in ACET in Q1 2019 and has held it in 15 quarters since. The position peaked at $3.02M in Q3 2022. 56 funds tracked by Wall St. Rank hold ACET as of Q2 2026.

  • Jane Street held 70,561 shares of Adicet Bio worth $610K as of Q2 2026.
  • Jane Street bought 33,477 Adicet Bio shares in Q2 2026, an estimated $264K.
  • Adicet Bio made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7566 holding.
  • Jane Street first reported a position in Adicet Bio in Q1 2019 and has held it in 15 quarters since.
  • Jane Street's Adicet Bio position peaked at $3.02M in Q3 2022.
  • 56 funds tracked by Wall St. Rank held Adicet Bio as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.