SEI Investments
DFTX

SEI Investments’s Definium Therapeutics DFTX Stock Holding History

SEI Investments’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 		$531K Buy
28,117
+16,281
+138% +$276K ﹤0.01% 2630
2025
Q4 		$158K Buy
11,836
+1,421
+14% +$17.6K ﹤0.01% 2955
2025
Q3 		$123K Hold
10,415
– – ﹤0.01% 2692
2025
Q2 		$67.6K Hold
10,415
– – ﹤0.01% 2729
2025
Q1 		$60.9K Hold
10,415
– – ﹤0.01% 2665
2024
Q4 		$72.5K Hold
10,415
– – ﹤0.01% 2626
2024
Q3 		$59.3K Buy
+10,415
New +$72.4K ﹤0.01% 2620

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

SEI Investments's DFTX Position: Q1 2026 in Review

SEI Investments increased its Definium Therapeutics (DFTX) stake by 138% in Q1 2026, buying an estimated $276K and bringing the position to 28,117 shares worth $531K. The position accounts for ﹤0.01% of the portfolio, ranked #2630.

SEI Investments 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.

  • SEI Investments held 28,117 shares of Definium Therapeutics worth $531K as of Q1 2026.
  • SEI Investments bought 16,281 Definium Therapeutics shares in Q1 2026, an estimated $276K.
  • Definium Therapeutics made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #2630 holding.
  • SEI Investments 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 SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.