Group One Trading
MBX

Group One Trading’s MBX Biosciences MBX Stock Holding History

Group One Trading’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 		– Sell
-16,100
Closed -$508K – 9004
2025
Q4 		$508K Sell
16,100
-79,800
-83% -$1.94M ﹤0.01% 3492
2025
Q3 		$1.68M Buy
+95,900
New +$1.28M ﹤0.01% 2493

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

Group One Trading's MBX Position: Q1 2026 in Review

Group One Trading reduced its MBX Biosciences (MBX) stake by 34% in Q1 2026, selling an estimated $108K and leaving 6,251 shares worth $187K. The position accounts for ﹤0.01% of the portfolio, ranked #4168.

Group One Trading first reported a position in MBX in Q4 2025 and has held it in 2 quarters since. The position peaked at $297K in Q4 2025. 157 funds tracked by Wall St. Rank hold MBX as of Q1 2026.

  • Group One Trading held 6,251 shares of MBX Biosciences worth $187K as of Q1 2026.
  • Group One Trading sold 3,177 MBX Biosciences shares in Q1 2026, an estimated $108K.
  • MBX Biosciences made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4168 holding.
  • Group One Trading first reported a position in MBX Biosciences in Q4 2025 and has held it in 2 quarters since.
  • Group One Trading's MBX Biosciences position peaked at $297K in Q4 2025.
  • 157 funds tracked by Wall St. Rank held MBX Biosciences as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.