Canada Pension Plan Investment Board
MBX

Canada Pension Plan Investment Board’s MBX Biosciences MBX Stock Holding History

Canada Pension Plan Investment Board’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 		$325K Sell
10,900
-700
-6% -$23.8K ﹤0.01% 1389
2025
Q4 		$366K Buy
+11,600
New +$281K ﹤0.01% 1430

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

Canada Pension Plan Investment Board's MBX Position: Q1 2026 in Review

Canada Pension Plan Investment Board reduced its MBX Biosciences (MBX) stake by 6% in Q1 2026, selling an estimated $23.8K and leaving 10,900 shares worth $325K. The position accounts for ﹤0.01% of the portfolio, ranked #1389.

Canada Pension Plan Investment Board first reported a position in MBX in Q4 2025 and has held it in 2 quarters since. The position peaked at $366K in Q4 2025. 157 funds tracked by Wall St. Rank hold MBX as of Q1 2026.

  • Canada Pension Plan Investment Board held 10,900 shares of MBX Biosciences worth $325K as of Q1 2026.
  • Canada Pension Plan Investment Board sold 700 MBX Biosciences shares in Q1 2026, an estimated $23.8K.
  • MBX Biosciences made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #1389 holding.
  • Canada Pension Plan Investment Board first reported a position in MBX Biosciences in Q4 2025 and has held it in 2 quarters since.
  • Canada Pension Plan Investment Board's MBX Biosciences position peaked at $366K in Q4 2025.
  • 157 funds tracked by Wall St. Rank held MBX Biosciences as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.