American Century Companies’s MBX Biosciences MBX Stock Holding History
Bought
Maintained
Sold
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American Century Companies's MBX Position: Q2 2026 in Review
American Century Companies increased its MBX Biosciences (MBX) stake by 160% in Q2 2026, buying an estimated $487K and bringing the position to 22,680 shares worth $1.25M. The position accounts for ﹤0.01% of the portfolio, ranked #2346.
American Century Companies first reported a position in MBX in Q4 2025 and has held it in 3 quarters since. 172 funds tracked by Wall St. Rank hold MBX as of Q2 2026.
- American Century Companies held 22,680 shares of MBX Biosciences worth $1.25M as of Q2 2026.
- American Century Companies bought 13,954 MBX Biosciences shares in Q2 2026, an estimated $487K.
- MBX Biosciences made up ﹤0.01% of American Century Companies's portfolio in Q2 2026, its #2346 holding.
- American Century Companies first reported a position in MBX Biosciences in Q4 2025 and has held it in 3 quarters since.
- 172 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.