Millennium Management
DFTX

Millennium Management’s Definium Therapeutics DFTX Stock Holding History

Millennium Management’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 		$16M Sell
846,896
-536,279
-39% -$9.1M 0.01% 1728
2025
Q4 		$18.5M Buy
1,383,175
+1,084,970
+364% +$13.4M 0.01% 1651
2025
Q3 		$3.52M Buy
298,205
+114,805
+63% +$1.07M ﹤0.01% 3497
2025
Q2 		$1.19M Buy
+183,400
New +$1.21M ﹤0.01% 4280
2025
Q1 		– Sell
-185,721
Closed -$1.29M – 6201
2024
Q4 		$1.29M Buy
185,721
+106,511
+134% +$733K ﹤0.01% 3996
2024
Q3 		$451K Buy
+79,210
New +$551K ﹤0.01% 4913
2024
Q2 		– Sell
-388,202
Closed -$3.65M – 6293
2024
Q1 		$3.65M Buy
388,202
+280,363
+260% +$1.6M ﹤0.01% 3195
2023
Q4 		$395K Sell
107,839
-129,636
-55% -$390K ﹤0.01% 4791
2023
Q3 		$743K Buy
237,475
+190,922
+410% +$785K ﹤0.01% 4389
2023
Q2 		$166K Buy
+46,553
New +$161K ﹤0.01% 5188
2023
Q1 		– Sell
-249,450
Closed -$549K – 6665
2022
Q4 		$549K Buy
249,450
+94,551
+61% +$263K ﹤0.01% 4675
2022
Q3 		$542K Sell
154,899
-183,442
-54% -$1.76M ﹤0.01% 4897
2022
Q2 		$3.25M Buy
338,341
+309,252
+1,063% +$3.91M ﹤0.01% 3222
2022
Q1 		$484K Sell
29,089
-42,655
-59% -$740K ﹤0.01% 5151
2021
Q4 		$1.49M Sell
71,744
-21,080
-23% -$673K ﹤0.01% 4044
2021
Q3 		$3.24M Buy
92,824
+23,345
+34% +$1.01M ﹤0.01% 3368
2021
Q2 		$3.6M Buy
+69,479
New +$3.65M ﹤0.01% 3196

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

Millennium Management's DFTX Position: Q1 2026 in Review

Millennium Management reduced its Definium Therapeutics (DFTX) stake by 39% in Q1 2026, selling an estimated $9.1M and leaving 846,896 shares worth $16M. The position accounts for 0.01% of the portfolio, ranked #1728.

Millennium Management first reported a position in DFTX in Q2 2021 and has held it in 17 quarters since. The position peaked at $18.5M in Q4 2025. 247 funds tracked by Wall St. Rank hold DFTX as of Q1 2026.

  • Millennium Management held 846,896 shares of Definium Therapeutics worth $16M as of Q1 2026.
  • Millennium Management sold 536,279 Definium Therapeutics shares in Q1 2026, an estimated $9.1M.
  • Definium Therapeutics made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1728 holding.
  • Millennium Management first reported a position in Definium Therapeutics in Q2 2021 and has held it in 17 quarters since.
  • Millennium Management's Definium Therapeutics position peaked at $18.5M in Q4 2025.
  • 247 funds tracked by Wall St. Rank held Definium Therapeutics as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.