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 		– Sell
-260,241
Closed -$6.43M – 12549
2026
Q1 		$4.92M Sell
260,241
-275,761
-51% -$4.68M ﹤0.01% 3548
2025
Q4 		$7.18M Buy
536,002
+261,154
+95% +$3.23M ﹤0.01% 2726
2025
Q3 		$3.24M Buy
274,848
+146,533
+114% +$1.37M ﹤0.01% 4096
2025
Q2 		$833K Buy
128,315
+54,326
+73% +$357K ﹤0.01% 5968
2025
Q1 		$433K Buy
73,989
+57,432
+347% +$411K ﹤0.01% 7137
2024
Q4 		$115K Sell
16,557
-14,164
-46% -$97.5K ﹤0.01% 8711
2024
Q3 		$175K Sell
30,721
-47,552
-61% -$331K ﹤0.01% 8732
2024
Q2 		$564K Sell
78,273
-294,186
-79% -$2.57M ﹤0.01% 6825
2024
Q1 		$3.5M Buy
372,459
+262,796
+240% +$1.5M ﹤0.01% 3162
2023
Q4 		$401K Buy
109,663
+93,079
+561% +$280K ﹤0.01% 7151
2023
Q3 		$52.2K Buy
+16,584
New +$68.2K ﹤0.01% 8144
2022
Q4 		– Sell
-41,563
Closed -$115K – 9749
2022
Q3 		$144K Buy
41,563
+28,030
+207% +$269K ﹤0.01% 8429
2022
Q2 		$129K Sell
13,533
-6,320
-32% -$80K ﹤0.01% 8504
2022
Q1 		$338K Buy
19,853
+8,173
+70% +$142K ﹤0.01% 8203
2021
Q4 		$241K Buy
11,680
+8,278
+243% +$264K ﹤0.01% 8538
2021
Q3 		$123K Sell
3,402
-38,089
-92% -$1.65M ﹤0.01% 9179
2021
Q2 		$2.16M Buy
+41,491
New +$2.18M ﹤0.01% 4195

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.