Fidelity Investments
DFTX

Fidelity Investments’s Definium Therapeutics DFTX Stock Holding History

Fidelity 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
Q2 		$224M Buy
4,752,921
+2,943,311
+163% +$72.7M 0.01% 882
2026
Q1 		$34.2M Buy
1,809,610
+1,647,557
+1,017% +$28M ﹤0.01% 1570
2025
Q4 		$2.17M Buy
162,053
+146,495
+942% +$1.81M ﹤0.01% 2588
2025
Q3 		$183K Buy
15,558
+1,771
+13% +$16.5K ﹤0.01% 3386
2025
Q2 		$89.5K Sell
13,787
-625
-4% -$4.11K ﹤0.01% 3656
2025
Q1 		$84.3K Sell
14,412
-10,497
-42% -$75.2K ﹤0.01% 3631
2024
Q4 		$173K Buy
24,909
+12,767
+105% +$87.8K ﹤0.01% 3326
2024
Q3 		$69.1K Buy
12,142
+414
+4% +$2.88K ﹤0.01% 3638
2024
Q2 		$84.6K Sell
11,728
-12,849
-52% -$112K ﹤0.01% 3372
2024
Q1 		$231K Buy
24,577
+770
+3% +$4.39K ﹤0.01% 2980
2023
Q4 		$87.1K Buy
23,807
+6,551
+38% +$19.7K ﹤0.01% 3271
2023
Q3 		$54K Buy
17,256
+4,928
+40% +$20.3K ﹤0.01% 3338
2023
Q2 		$44K Buy
12,328
+12,180
+8,230% +$42K ﹤0.01% 3490
2023
Q1 		$469 Buy
148
+68
+85% +$226 ﹤0.01% 4805
2022
Q4 		$176 Buy
80
+67
+515% +$186 ﹤0.01% 4839
2022
Q3 		$0 Sell
13
-793
-98% -$7.61K ﹤0.01% 5211
2022
Q2 		$8K Sell
806
-62
-7% -$784 ﹤0.01% 4177
2022
Q1 		$14K Buy
+868
New +$15.1K ﹤0.01% 4133
2021
Q3 		– Hold
0
– – – 4770
2021
Q2 		– Hold
0
– – – 4635

Other funds holding DFTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return

Fidelity Investments's DFTX Position: Q2 2026 in Review

Fidelity Investments increased its Definium Therapeutics (DFTX) stake by 163% in Q2 2026, buying an estimated $72.7M and bringing the position to 4,752,921 shares worth $224M. The position accounts for 0.01% of the portfolio, ranked #882.

Fidelity Investments first reported a position in DFTX in Q1 2022 and has held it in 18 quarters since. 362 funds tracked by Wall St. Rank hold DFTX as of Q2 2026.

  • Fidelity Investments held 4,752,921 shares of Definium Therapeutics worth $224M as of Q2 2026.
  • Fidelity Investments bought 2,943,311 Definium Therapeutics shares in Q2 2026, an estimated $72.7M.
  • Definium Therapeutics made up 0.01% of Fidelity Investments's portfolio in Q2 2026, its #882 holding.
  • Fidelity Investments first reported a position in Definium Therapeutics in Q1 2022 and has held it in 18 quarters since.
  • 362 funds tracked by Wall St. Rank held Definium Therapeutics as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.