Wellington Management Group
DFTX

Wellington Management Group’s Definium Therapeutics DFTX Stock Holding History

Wellington Management Group’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 		$139M Buy
2,949,734
+1,644,985
+126% +$40.6M 0.02% 469
2026
Q1 		$24.7M Buy
1,304,749
+84,082
+7% +$1.43M ﹤0.01% 929
2025
Q4 		$16.3M Buy
1,220,667
+964,301
+376% +$11.9M ﹤0.01% 1112
2025
Q3 		$3.02M Sell
256,366
-5,587
-2% -$52.1K ﹤0.01% 1549
2025
Q2 		$1.7M Buy
261,953
+36,025
+16% +$237K ﹤0.01% 1610
2025
Q1 		$1.32M Buy
225,928
+31,437
+16% +$225K ﹤0.01% 1647
2024
Q4 		$1.35M Buy
194,491
+8,769
+5% +$60.3K ﹤0.01% 1658
2024
Q3 		$1.06M Buy
185,722
+109,152
+143% +$759K ﹤0.01% 1700
2024
Q2 		$552K Buy
76,570
+21,505
+39% +$188K ﹤0.01% 1771
2024
Q1 		$518K Buy
+55,065
New +$314K ﹤0.01% 1806

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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

Wellington Management Group's DFTX Position: Q2 2026 in Review

Wellington Management Group increased its Definium Therapeutics (DFTX) stake by 126% in Q2 2026, buying an estimated $40.6M and bringing the position to 2,949,734 shares worth $139M. The position accounts for 0.02% of the portfolio, ranked #469.

Wellington Management Group first reported a position in DFTX in Q1 2024 and has held it in 10 quarters since. 362 funds tracked by Wall St. Rank hold DFTX as of Q2 2026.

  • Wellington Management Group held 2,949,734 shares of Definium Therapeutics worth $139M as of Q2 2026.
  • Wellington Management Group bought 1,644,985 Definium Therapeutics shares in Q2 2026, an estimated $40.6M.
  • Definium Therapeutics made up 0.02% of Wellington Management Group's portfolio in Q2 2026, its #469 holding.
  • Wellington Management Group first reported a position in Definium Therapeutics in Q1 2024 and has held it in 10 quarters since.
  • 362 funds tracked by Wall St. Rank held Definium Therapeutics as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.