MBX Biosciences, Inc. - Common Stock (MBX)

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
44,532,569
Total 13F shares
47,790,065
Share change
+10,949,133
Total reported value
$836,364,494
Put/Call ratio
191%
Price per share
$17.50
Number of holders
117
Value change
+$203,956,820
Number of buys
67
Number of sells
39

Institutional Holders of MBX Biosciences, Inc. - Common Stock (MBX) as of Q3 2025

As of 30 Sep 2025, MBX Biosciences, Inc. - Common Stock (MBX) was held by 117 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 47,790,065 shares. The largest 10 holders included Frazier Life Sciences Management, L.P., WELLINGTON MANAGEMENT GROUP LLP, ORBIMED ADVISORS LLC, NEA Management Company, LLC, Deep Track Capital, LP, NVP ASSOCIATES, LLC, EcoR1 Capital, LLC, Kynam Capital Management, LP, BlackRock, Inc., and VANGUARD GROUP INC. This page lists 117 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.