Jane Street
DFTX

Jane Street’s Definium Therapeutics DFTX Stock Holding History

Jane Street’s Portfolio DFTX Stock Details DFTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$19.9M Buy
423,900
+371,200
+704% +$9.17M ﹤0.01% 2150
2026
Q1 		$996K Buy
52,700
+23,700
+82% +$402K ﹤0.01% 6498
2025
Q4 		$388K Sell
29,000
-9,700
-25% -$120K ﹤0.01% 8257
2025
Q3 		$456K Buy
38,700
+5,500
+17% +$51.3K ﹤0.01% 8059
2025
Q2 		$215K Buy
33,200
+19,300
+139% +$127K ﹤0.01% 8419
2025
Q1 		$81.3K Buy
13,900
+1,300
+10% +$9.31K ﹤0.01% 8886
2024
Q4 		$87.7K Sell
12,600
-22,900
-65% -$158K ﹤0.01% 8804
2024
Q3 		$202K Sell
35,500
-6,900
-16% -$48K ﹤0.01% 8633
2024
Q2 		$306K Sell
42,400
-12,000
-22% -$105K ﹤0.01% 7772
2024
Q1 		$511K Buy
+54,400
New +$310K ﹤0.01% 6621
2023
Q1 		– Sell
-49,928
Closed -$110K – 9578
2022
Q4 		$110K Sell
49,928
-16,454
-25% -$45.7K ﹤0.01% 8041
2022
Q3 		$230K Buy
66,382
+61,322
+1,212% +$589K ﹤0.01% 7965
2022
Q2 		$48K Sell
5,060
-2,153
-30% -$27.2K ﹤0.01% 8935
2022
Q1 		$123K Sell
7,213
-7,500
-51% -$130K ﹤0.01% 9348
2021
Q4 		$304K Buy
14,713
+8,846
+151% +$282K ﹤0.01% 8142
2021
Q3 		$212K Buy
+5,867
New +$254K ﹤0.01% 8757

Other funds holding DFTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Jane Street's DFTX Position: Q2 2026 in Review

Jane Street sold out of Definium Therapeutics (DFTX) in Q2 2026, closing a stake of 260,241 shares — an estimated $6.43M sold.

Jane Street first reported a position in DFTX in Q2 2021 and held it in 17 quarters. The position peaked at $7.18M in Q4 2025. 362 funds tracked by Wall St. Rank hold DFTX as of Q2 2026.

  • Jane Street reported no remaining Definium Therapeutics position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 260,241 Definium Therapeutics shares in Q2 2026, an estimated $6.43M.
  • Jane Street first reported a position in Definium Therapeutics in Q2 2021 and held it in 17 quarters.
  • Jane Street's Definium Therapeutics position peaked at $7.18M in Q4 2025.
  • 362 funds tracked by Wall St. Rank held Definium Therapeutics as of Q2 2026.

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