Group One Trading
DFTX

Group One Trading’s Definium Therapeutics DFTX Stock Holding History

Group One 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 		$618K Sell
32,700
-18,500
-36% -$314K ﹤0.01% 3153
2025
Q4 		$686K Buy
51,200
+9,000
+21% +$111K ﹤0.01% 3219
2025
Q3 		$498K Buy
42,200
+11,000
+35% +$103K ﹤0.01% 3709
2025
Q2 		$202K Sell
31,200
-31,200
-50% -$205K ﹤0.01% 4328
2025
Q1 		$365K Buy
62,400
+21,600
+53% +$155K ﹤0.01% 3404
2024
Q4 		$284K Buy
40,800
+10,100
+33% +$69.5K ﹤0.01% 3633
2024
Q3 		$175K Sell
30,700
-11,300
-27% -$78.6K ﹤0.01% 3751
2024
Q2 		$303K Sell
42,000
-48,400
-54% -$423K ﹤0.01% 3034
2024
Q1 		$850K Sell
90,400
-50,300
-36% -$287K ﹤0.01% 2232
2023
Q4 		$515K Buy
140,700
+16,400
+13% +$49.4K ﹤0.01% 3040
2023
Q3 		$389K Sell
124,300
-15,400
-11% -$63.3K ﹤0.01% 3169
2023
Q2 		$499K Buy
139,700
+15,900
+13% +$54.8K ﹤0.01% 3024
2023
Q1 		$392K Sell
123,800
-266,100
-68% -$885K ﹤0.01% 2990
2022
Q4 		$858K Buy
389,900
+1,400
+0.4% +$3.89K ﹤0.01% 2561
2022
Q3 		$1.36M Buy
388,500
+367,640
+1,762% +$3.53M ﹤0.01% 2258
2022
Q2 		$200K Buy
20,860
+1,587
+8% +$20.1K ﹤0.01% 4307
2022
Q1 		$321K Buy
19,273
+6,546
+51% +$114K ﹤0.01% 4299
2021
Q4 		$263K Sell
12,727
-6,833
-35% -$218K ﹤0.01% 4796
2021
Q3 		$684K Sell
19,560
-1,033
-5% -$44.7K ﹤0.01% 3841
2021
Q2 		$1.07M Buy
+20,593
New +$1.08M ﹤0.01% 3335

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

Group One Trading's DFTX Position: Q1 2026 in Review

Group One Trading opened a new position in Definium Therapeutics (DFTX) in Q1 2026: 87,832 shares worth $1.66M. The stake represents ﹤0.01% of the portfolio and ranks #2238 among its holdings. This is a return to the name: Group One Trading previously reported a position in DFTX as recently as Q2 2024.

Group One Trading first reported a position in DFTX in Q2 2021 and has held it in 12 quarters since. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • Group One Trading held 87,832 shares of Definium Therapeutics worth $1.66M as of Q1 2026.
  • Definium Therapeutics was a new Group One Trading position in Q1 2026.
  • Definium Therapeutics made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2238 holding.
  • Group One Trading first reported a position in Definium Therapeutics in Q2 2021 and has held it in 12 quarters since.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.