JY
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Jeff Yass’s Adicet Bio ACET Stock Holding History

Jeff Yass’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 		– Sell
-52,900
Closed -$360K – 13282
2026
Q1 		$360K Buy
+52,900
New +$396K ﹤0.01% 10457
2023
Q3 		– Sell
-656
Closed -$25.5K – 11917
2023
Q2 		$25.5K Sell
656
-144
-18% -$12.7K ﹤0.01% 11574
2023
Q1 		$73.7K Sell
800
-394
-33% -$49.4K ﹤0.01% 11503
2022
Q4 		$171K Sell
1,194
-1,106
-48% -$276K ﹤0.01% 10341
2022
Q3 		$523K Sell
2,300
-631
-22% -$160K ﹤0.01% 8358
2022
Q2 		$685K Buy
2,931
+1,318
+82% +$289K ﹤0.01% 7475
2022
Q1 		$515K Buy
+1,613
New +$371K ﹤0.01% 8890
2020
Q1 		– Sell
-140
Closed -$23K – 10151
2019
Q4 		$23K Buy
+140
New +$70.9K ﹤0.01% 9475

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 40.91% 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

Jeff Yass's ACET Position: Q2 2026 in Review

Jeff Yass opened a new position in Adicet Bio (ACET) in Q2 2026: 20,650 shares worth $178K. The stake represents ﹤0.01% of the portfolio and ranks #12058 among its holdings. This is a return to the name: Jeff Yass previously reported a position in ACET as recently as Q3 2025.

Jeff Yass first reported a position in ACET in Q4 2019 and has held it in 21 quarters since. The position peaked at $1.13M in Q1 2021. 56 funds tracked by Wall St. Rank hold ACET as of Q2 2026.

  • Jeff Yass held 20,650 shares of Adicet Bio worth $178K as of Q2 2026.
  • Adicet Bio was a new Jeff Yass position in Q2 2026.
  • Adicet Bio made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12058 holding.
  • Jeff Yass first reported a position in Adicet Bio in Q4 2019 and has held it in 21 quarters since.
  • Jeff Yass's Adicet Bio position peaked at $1.13M in Q1 2021.
  • 56 funds tracked by Wall St. Rank held Adicet Bio as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.