SS
MBX

Steve Schonfeld’s MBX Biosciences MBX Stock Holding History

Steve Schonfeld’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 		$13.7M Buy
248,670
+124,856
+101% +$4.36M 0.05% 327
2026
Q1 		$3.7M Sell
123,814
-43,311
-26% -$1.47M 0.03% 587
2025
Q4 		$5.27M Sell
167,125
-115,552
-41% -$2.8M 0.02% 525
2025
Q3 		$4.95M Sell
282,677
-348,736
-55% -$4.66M 0.03% 595
2025
Q2 		$7.2M Buy
631,413
+430,771
+215% +$4.39M 0.05% 443
2025
Q1 		$1.48M Buy
200,642
+129,142
+181% +$1.37M 0.01% 1113
2024
Q4 		$1.32M Buy
+71,500
New +$1.52M 0.01% 1006

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
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return

Steve Schonfeld's MBX Position: Q2 2026 in Review

Steve Schonfeld increased its MBX Biosciences (MBX) stake by 101% in Q2 2026, buying an estimated $4.36M and bringing the position to 248,670 shares worth $13.7M. The position accounts for 0.05% of the portfolio, ranked #327.

Steve Schonfeld first reported a position in MBX in Q4 2024 and has held it in 7 quarters since. 171 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Steve Schonfeld held 248,670 shares of MBX Biosciences worth $13.7M as of Q2 2026.
  • Steve Schonfeld bought 124,856 MBX Biosciences shares in Q2 2026, an estimated $4.36M.
  • MBX Biosciences made up 0.05% of Steve Schonfeld's portfolio in Q2 2026, its #327 holding.
  • Steve Schonfeld first reported a position in MBX Biosciences in Q4 2024 and has held it in 7 quarters since.
  • 171 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.