Acadian Asset Management
MBX

Acadian Asset Management’s MBX Biosciences MBX Stock Holding History

Acadian Asset Management’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 		– Sell
-8,823
Closed -$262K – 2297
2026
Q1 		$262K Sell
8,823
-39,791
-82% -$1.35M ﹤0.01% 1515
2025
Q4 		$1.53M Buy
48,614
+43,605
+871% +$1.06M ﹤0.01% 989
2025
Q3 		$86K Buy
+5,009
New +$67K ﹤0.01% 1551

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

Acadian Asset Management's MBX Position: Q2 2026 in Review

Acadian Asset Management sold out of MBX Biosciences (MBX) in Q2 2026, closing a stake of 8,823 shares — an estimated $262K sold.

Acadian Asset Management first reported a position in MBX in Q3 2025 and held it in 3 quarters. The position peaked at $1.53M in Q4 2025. 172 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Acadian Asset Management reported no remaining MBX Biosciences position as of Q2 2026 after selling out during the quarter.
  • Acadian Asset Management sold 8,823 MBX Biosciences shares in Q2 2026, an estimated $262K.
  • Acadian Asset Management first reported a position in MBX Biosciences in Q3 2025 and held it in 3 quarters.
  • Acadian Asset Management's MBX Biosciences position peaked at $1.53M in Q4 2025.
  • 172 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.