Ownership history in Frazier Life Sciences Management, L.P. · 6 quarters on record
This page tracks every 13F SEC filing in which Frazier Life Sciences Management, L.P. reported a position in MBX BIOSCIENCES INC (MBX). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | UNCHANGED | 6,652,013 | — | 0% | 5.64% | $209.8M | $31.54 |
| 2025 Q3 | ADDED | 6,652,013 | +666,666 | +11.1% | 3.49% | $116.4M | $17.50 |
| 2025 Q2 | UNCHANGED | 5,985,347 | — | 0% | 2.73% | $68.3M | $11.41 |
| 2025 Q1 | UNCHANGED | 5,985,347 | — | 0% | 2.02% | $44.2M | $7.38 |
| 2024 Q4 | UNCHANGED | 5,985,347 | — | 0% | 4.58% | $110.3M | $18.43 |
| 2024 Q3 | INITIATED | 5,985,347 | — | — | 6.23% | $155.5M | $25.98 |
As of 2025 Q4 — sorted by position size