Russell Investments Group
DFTX

Russell Investments Group’s Definium Therapeutics DFTX Stock Holding History

Russell Investments Group’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 		$2.26M Buy
119,464
+110,599
+1,248% +$1.88M ﹤0.01% 1815
2025
Q4 		$119K Sell
8,865
-4,838
-35% -$59.9K ﹤0.01% 3000
2025
Q3 		$162K Buy
13,703
+9,886
+259% +$92.2K ﹤0.01% 2873
2025
Q2 		$24.8K Buy
3,817
+2,003
+110% +$13.2K ﹤0.01% 3145
2025
Q1 		$10.6K Sell
1,814
-352
-16% -$2.52K ﹤0.01% 3227
2024
Q4 		$15.1K Buy
2,166
+1,354
+167% +$9.32K ﹤0.01% 3061
2024
Q3 		$4.62K Buy
+812
New +$5.65K ﹤0.01% 3234

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

Russell Investments Group's DFTX Position: Q1 2026 in Review

Russell Investments Group increased its Definium Therapeutics (DFTX) stake by 1,248% in Q1 2026, buying an estimated $1.88M and bringing the position to 119,464 shares worth $2.26M. The position accounts for ﹤0.01% of the portfolio, ranked #1815.

Russell Investments Group first reported a position in DFTX in Q3 2024 and has held it in 7 quarters since. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • Russell Investments Group held 119,464 shares of Definium Therapeutics worth $2.26M as of Q1 2026.
  • Russell Investments Group bought 110,599 Definium Therapeutics shares in Q1 2026, an estimated $1.88M.
  • Definium Therapeutics made up ﹤0.01% of Russell Investments Group's portfolio in Q1 2026, its #1815 holding.
  • Russell Investments Group first reported a position in Definium Therapeutics in Q3 2024 and has held it in 7 quarters since.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.