INSM Insmed, Inc. COM

Ownership history in Palo Alto Investors LP  ·  60 quarters on record

This page tracks every 13F SEC filing in which Palo Alto Investors LP reported a position in Insmed, Inc. COM (INSM). 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.

Peak position
18.52% (2025 Q2)
Avg. % of fund
7.15%
First filed
2011 Q1
Last filed
2025 Q4
Quarters held
60
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 489,482 -2,323 -0.5% 11.86% $85.2M $174.04
2025 Q3 REDUCED 491,805 -373,308 -43.2% 13.11% $70.8M $144.01
2025 Q2 REDUCED 865,113 -122,040 -12.4% 18.52% $87.1M $100.64
2025 Q1 REDUCED 987,153 -616,312 -38.4% 14.34% $75.3M $76.29
56 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    INSM price (monthly, adj. close)
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