PCH
MBX

Polar Capital Holdings’s MBX Biosciences MBX Stock Holding History

Polar Capital Holdings’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
Q2 		$88.8M Sell
1,608,514
-13,672
-0.8% -$478K 0.21% 91
2026
Q1 		$48.4M Buy
+1,622,186
New +$55.2M 0.17% 102

Other funds holding MBX

FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $328M AUM 166.51% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Polar Capital Holdings's MBX Position: Q2 2026 in Review

Polar Capital Holdings reduced its MBX Biosciences (MBX) stake by 0.84% in Q2 2026, selling an estimated $478K and leaving 1,608,514 shares worth $88.8M. The position accounts for 0.21% of the portfolio, ranked #91.

Polar Capital Holdings first reported a position in MBX in Q1 2026 and has held it in 2 quarters since. 173 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Polar Capital Holdings held 1,608,514 shares of MBX Biosciences worth $88.8M as of Q2 2026.
  • Polar Capital Holdings sold 13,672 MBX Biosciences shares in Q2 2026, an estimated $478K.
  • MBX Biosciences made up 0.21% of Polar Capital Holdings's portfolio in Q2 2026, its #91 holding.
  • Polar Capital Holdings first reported a position in MBX Biosciences in Q1 2026 and has held it in 2 quarters since.
  • 173 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Polar Capital Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.