Simplex Trading
DFTX

Simplex Trading’s Definium Therapeutics DFTX Stock Holding History

Simplex Trading’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
Q1 		$778K Sell
41,156
-7,070
-15% -$120K ﹤0.01% 2754
2025
Q4 		$646K Buy
48,226
+7,061
+17% +$87.4K ﹤0.01% 3051
2025
Q3 		$485K Sell
41,165
-46,786
-53% -$436K ﹤0.01% 3865
2025
Q2 		$570K Buy
87,951
+40,095
+84% +$264K ﹤0.01% 3364
2025
Q1 		$279K Buy
47,856
+37,628
+368% +$270K ﹤0.01% 3980
2024
Q4 		$71K Buy
+10,228
New +$70.4K ﹤0.01% 5506
2024
Q3 		– Sell
-8,841
Closed -$61.5K – 9153
2024
Q2 		$63K Sell
8,841
-46,007
-84% -$402K ﹤0.01% 5843
2024
Q1 		$515K Buy
54,848
+45,871
+511% +$262K ﹤0.01% 3836
2023
Q4 		$32K Sell
8,977
-758
-8% -$2.28K ﹤0.01% 6504
2023
Q3 		$30K Buy
+9,735
New +$40K ﹤0.01% 6256
2023
Q1 		– Sell
-1,374
Closed -$4.57K – 9723
2022
Q4 		$3K Sell
1,374
-33,023
-96% -$91.7K ﹤0.01% 8398
2022
Q3 		$120K Buy
34,397
+33,661
+4,574% +$323K ﹤0.01% 5268
2022
Q2 		$7K Buy
+736
New +$9.31K ﹤0.01% 8601
2022
Q1 		– Sell
-1,881
Closed -$32.6K – 11029
2021
Q4 		$38K Sell
1,881
-11,350
-86% -$362K ﹤0.01% 7598
2021
Q3 		$680K Sell
13,231
-387
-3% -$16.7K ﹤0.01% 3656
2021
Q2 		$704K Buy
+13,618
New +$715K ﹤0.01% 3644

Other funds holding DFTX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Simplex Trading's DFTX Position: Q1 2026 in Review

Simplex Trading reduced its Definium Therapeutics (DFTX) stake by 15% in Q1 2026, selling an estimated $120K and leaving 41,156 shares worth $778K. The position accounts for ﹤0.01% of the portfolio, ranked #2754.

Simplex Trading first reported a position in DFTX in Q2 2021 and has held it in 16 quarters since. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • Simplex Trading held 41,156 shares of Definium Therapeutics worth $778K as of Q1 2026.
  • Simplex Trading sold 7,070 Definium Therapeutics shares in Q1 2026, an estimated $120K.
  • Definium Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2754 holding.
  • Simplex Trading first reported a position in Definium Therapeutics in Q2 2021 and has held it in 16 quarters since.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.