Cubist Systematic Strategies’s Definium Therapeutics DFTX Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$1.28M	Buy	+108,214	New	+$1.01M	0.01%	1830
2024 Q3	–	Sell	-35,508	Closed	-$256K	–	3307
2024 Q2	$256K	Buy	35,508 +6,890	+24%	+$60.3K	﹤0.01%	2419
2024 Q1	$269K	Buy	+28,618	New	+$163K	﹤0.01%	2926
2023 Q1	–	Sell	-61,769	Closed	-$136K	–	4225
2022 Q4	$136K	Buy	61,769 +17,518	+40%	+$48.6K	﹤0.01%	3729
2022 Q3	$155K	Buy	44,251 +10,132	+30%	+$97.3K	﹤0.01%	3870
2022 Q2	$328K	Buy	+34,119	New	+$432K	﹤0.01%	3373
2021 Q4	–	Sell	-2,040	Closed	-$71K	–	3557
2021 Q3	$71K	Buy	2,040 +1,787	+706%	+$77.3K	﹤0.01%	2795
2021 Q2	$13K	Buy	+253	New	+$13.3K	﹤0.01%	2858

Other funds holding DFTX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Blackstone Inc New York $25.6B AUM 26.83% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

OCA

Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

Cubist Systematic Strategies's DFTX Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Definium Therapeutics (DFTX) in Q3 2025: 108,214 shares worth $1.28M. The stake represents 0.01% of the portfolio and ranks #1830 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in DFTX as recently as Q2 2024.

Cubist Systematic Strategies first reported a position in DFTX in Q2 2021 and has held it in 8 quarters since. 195 funds tracked by Wall St. Rank hold DFTX as of Q3 2025.

Cubist Systematic Strategies held 108,214 shares of Definium Therapeutics worth $1.28M as of Q3 2025.
Definium Therapeutics was a new Cubist Systematic Strategies position in Q3 2025.
Definium Therapeutics made up 0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #1830 holding.
Cubist Systematic Strategies first reported a position in Definium Therapeutics in Q2 2021 and has held it in 8 quarters since.
195 funds tracked by Wall St. Rank held Definium Therapeutics as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.