Citigroup
DFTX

Citigroup’s Definium Therapeutics DFTX Stock Holding History

Citigroup’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 		$501K Sell
26,486
-14,977
-36% -$254K ﹤0.01% 3544
2025
Q4 		$555K Buy
41,463
+18,000
+77% +$223K ﹤0.01% 3526
2025
Q3 		$277K Sell
23,463
-13,870
-37% -$129K ﹤0.01% 3861
2025
Q2 		$242K Sell
37,333
-33,842
-48% -$223K ﹤0.01% 3977
2025
Q1 		$416K Sell
71,175
-5,733
-7% -$41.1K ﹤0.01% 3769
2024
Q4 		$535K Sell
76,908
-7,588
-9% -$52.2K ﹤0.01% 3772
2024
Q3 		$481K Buy
84,496
+58,591
+226% +$408K ﹤0.01% 3755
2024
Q2 		$187K Sell
25,905
-85,161
-77% -$745K ﹤0.01% 3908
2024
Q1 		$1.04M Sell
111,066
-308
-0.3% -$1.76K ﹤0.01% 2987
2023
Q4 		$408K Buy
111,374
+24,279
+28% +$73.1K ﹤0.01% 3554
2023
Q3 		$273K Buy
+87,095
New +$358K ﹤0.01% 3469
2023
Q1 		– Sell
-36
Closed -$79 – 5724
2022
Q4 		$79 Sell
36
-6,255
-99% -$17.4K ﹤0.01% 5648
2022
Q3 		$22K Buy
6,291
+6,041
+2,416% +$58K ﹤0.01% 4714
2022
Q2 		$2K Sell
250
-772
-76% -$9.77K ﹤0.01% 5899
2022
Q1 		$18K Sell
1,022
-5,266
-84% -$91.4K ﹤0.01% 5215
2021
Q4 		$129K Buy
6,288
+3,586
+133% +$114K ﹤0.01% 4599
2021
Q3 		$98K Buy
2,702
+1,680
+164% +$72.6K ﹤0.01% 4428
2021
Q2 		$53K Buy
+1,022
New +$53.6K ﹤0.01% 4793

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

Citigroup's DFTX Position: Q1 2026 in Review

Citigroup reduced its Definium Therapeutics (DFTX) stake by 36% in Q1 2026, selling an estimated $254K and leaving 26,486 shares worth $501K. The position accounts for ﹤0.01% of the portfolio, ranked #3544.

Citigroup first reported a position in DFTX in Q2 2021 and has held it in 18 quarters since. The position peaked at $1.04M in Q1 2024. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • Citigroup held 26,486 shares of Definium Therapeutics worth $501K as of Q1 2026.
  • Citigroup sold 14,977 Definium Therapeutics shares in Q1 2026, an estimated $254K.
  • Definium Therapeutics made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #3544 holding.
  • Citigroup first reported a position in Definium Therapeutics in Q2 2021 and has held it in 18 quarters since.
  • Citigroup's Definium Therapeutics position peaked at $1.04M in Q1 2024.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.