JP Morgan Chase
MBX

JP Morgan Chase’s MBX Biosciences MBX Stock Holding History

JP Morgan Chase’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 		$7.52M Sell
139,611
-7,446
-5% -$260K ﹤0.01% 3070
2026
Q1 		$3.96M Buy
147,057
+132,412
+904% +$4.5M ﹤0.01% 3541
2025
Q4 		$462K Buy
14,645
+8,470
+137% +$206K ﹤0.01% 5098
2025
Q3 		$108K Sell
6,175
-2,009
-25% -$26.9K ﹤0.01% 5861
2025
Q2 		$93.4K Sell
8,184
-193,051
-96% -$1.97M ﹤0.01% 5637
2025
Q1 		$1.49M Buy
201,235
+192,129
+2,110% +$2.03M ﹤0.01% 4076
2024
Q4 		$168K Buy
+9,106
New +$194K ﹤0.01% 5554

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

JP Morgan Chase's MBX Position: Q2 2026 in Review

JP Morgan Chase reduced its MBX Biosciences (MBX) stake by 5.1% in Q2 2026, selling an estimated $260K and leaving 139,611 shares worth $7.52M. The position accounts for ﹤0.01% of the portfolio, ranked #3070.

JP Morgan Chase first reported a position in MBX in Q4 2024 and has held it in 7 quarters since. 173 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • JP Morgan Chase held 139,611 shares of MBX Biosciences worth $7.52M as of Q2 2026.
  • JP Morgan Chase sold 7,446 MBX Biosciences shares in Q2 2026, an estimated $260K.
  • MBX Biosciences made up ﹤0.01% of JP Morgan Chase's portfolio in Q2 2026, its #3070 holding.
  • JP Morgan Chase first reported a position in MBX Biosciences in Q4 2024 and has held it in 7 quarters since.
  • 173 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on JP Morgan Chase's 13F filing for Q2 2026, filed 12 Aug 2026.