Ameriprise
DFTX

Ameriprise’s Definium Therapeutics DFTX Stock Holding History

Ameriprise’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 		$54M Buy
1,148,363
+181,755
+19% +$4.49M 0.01% 917
2026
Q1 		$18.3M Buy
966,608
+462,367
+92% +$7.85M ﹤0.01% 1476
2025
Q4 		$6.75M Buy
+504,241
New +$6.24M ﹤0.01% 2216
2025
Q2 		– Sell
-15,048
Closed -$88K – 4069
2025
Q1 		$88K Buy
15,048
+2,443
+19% +$17.5K ﹤0.01% 3894
2024
Q4 		$87.7K Buy
+12,605
New +$86.7K ﹤0.01% 3963
2021
Q4 		– Sell
-693
Closed -$24K – 4017
2021
Q3 		$24K Buy
+693
New +$30K ﹤0.01% 3829

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

Ameriprise's DFTX Position: Q2 2026 in Review

Ameriprise increased its Definium Therapeutics (DFTX) stake by 19% in Q2 2026, buying an estimated $4.49M and bringing the position to 1,148,363 shares worth $54M. The position accounts for 0.01% of the portfolio, ranked #917.

Ameriprise first reported a position in DFTX in Q3 2021 and has held it in 6 quarters since. 362 funds tracked by Wall St. Rank hold DFTX as of Q2 2026.

  • Ameriprise held 1,148,363 shares of Definium Therapeutics worth $54M as of Q2 2026.
  • Ameriprise bought 181,755 Definium Therapeutics shares in Q2 2026, an estimated $4.49M.
  • Definium Therapeutics made up 0.01% of Ameriprise's portfolio in Q2 2026, its #917 holding.
  • Ameriprise first reported a position in Definium Therapeutics in Q3 2021 and has held it in 6 quarters since.
  • 362 funds tracked by Wall St. Rank held Definium Therapeutics as of Q2 2026.

Based on Ameriprise's 13F filing for Q2 2026, filed 14 Aug 2026.