Janus Henderson Group
MBX

Janus Henderson Group’s MBX Biosciences MBX Stock Holding History

Janus Henderson Group’s Portfolio MBX Stock Details MBX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$308K Buy
+10,300
New +$350K ﹤0.01% 2206

Other funds holding MBX

FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $176M AUM 208.78% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return

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

Janus Henderson Group opened a new position in MBX Biosciences (MBX) in Q1 2026: 10,300 shares worth $308K. The stake represents ﹤0.01% of the portfolio and ranks #2206 among its holdings.

157 funds tracked by Wall St. Rank hold MBX as of Q1 2026.

  • Janus Henderson Group held 10,300 shares of MBX Biosciences worth $308K as of Q1 2026.
  • MBX Biosciences was a new Janus Henderson Group position in Q1 2026.
  • MBX Biosciences made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #2206 holding.
  • 157 funds tracked by Wall St. Rank held MBX Biosciences as of Q1 2026.

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