Janus Henderson Group
AKTS

Janus Henderson Group’s Aktis Oncology AKTS Stock Holding History

Janus Henderson Group’s Portfolio AKTS Stock Details AKTS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$26M Buy
+1,454,267
New +$28.2M 0.01% 549

Other funds holding AKTS

MB
MPM BioImpact Boston, Massachusetts $1.29B AUM 141.72% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
BOCH
Blue Owl Capital Holdings New York $372M AUM 78.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

Janus Henderson Group's AKTS Position: Q1 2026 in Review

Janus Henderson Group opened a new position in Aktis Oncology (AKTS) in Q1 2026: 1,454,267 shares worth $26M. The stake represents 0.01% of the portfolio and ranks #549 among its holdings.

69 funds tracked by Wall St. Rank hold AKTS as of Q1 2026.

  • Janus Henderson Group held 1,454,267 shares of Aktis Oncology worth $26M as of Q1 2026.
  • Aktis Oncology was a new Janus Henderson Group position in Q1 2026.
  • Aktis Oncology made up 0.01% of Janus Henderson Group's portfolio in Q1 2026, its #549 holding.
  • 69 funds tracked by Wall St. Rank held Aktis Oncology as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.