CP
DFTX

CenterBook Partners’s Definium Therapeutics DFTX Stock Holding History

CenterBook Partners’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 		$809K Sell
42,829
-95,986
-69% -$1.63M 0.04% 388
2025
Q4 		$1.86M Sell
138,815
-20,606
-13% -$255K 0.09% 273
2025
Q3 		$1.88M Buy
+159,421
New +$1.49M 0.09% 263

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

CenterBook Partners's DFTX Position: Q1 2026 in Review

CenterBook Partners reduced its Definium Therapeutics (DFTX) stake by 69% in Q1 2026, selling an estimated $1.63M and leaving 42,829 shares worth $809K. The position accounts for 0.04% of the portfolio, ranked #388.

CenterBook Partners first reported a position in DFTX in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.88M in Q3 2025. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • CenterBook Partners held 42,829 shares of Definium Therapeutics worth $809K as of Q1 2026.
  • CenterBook Partners sold 95,986 Definium Therapeutics shares in Q1 2026, an estimated $1.63M.
  • Definium Therapeutics made up 0.04% of CenterBook Partners's portfolio in Q1 2026, its #388 holding.
  • CenterBook Partners first reported a position in Definium Therapeutics in Q3 2025 and has held it in 3 quarters since.
  • CenterBook Partners's Definium Therapeutics position peaked at $1.88M in Q3 2025.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.