Joel Greenblatt's INSM Position Overview
Joel Greenblatt (via Gotham Asset Management, LLC) currently holds 10,010 shares of Insmed Incorporated (INSM) worth $1.64 M, representing 0.01% of the portfolio. First purchased in 2025-Q3, this short-term holding has been held for 3 quarters.
Based on 13F filings, Joel Greenblatt has maintained this position in INSM for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2025, adding 20,113 shares. Largest reduction occurred in Q1 2026, reducing 11,752 shares.
Analysis based on 13F filings available since 2013 Q2
Joel Greenblatt's Insmed Incorporated (INSM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Insmed Incorporated (INSM) Trades by Joel Greenblatt
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -11,752 | Reduce 54.00% | 10,010 | $163.52 |
| Q4 2025 | +20,113 | Add 1219.71% | 21,762 | $174.04 |
| Q3 2025 | +1,649 | New Buy | 1,649 | $144.01 |
Joel Greenblatt's Insmed Incorporated Investment FAQs
Joel Greenblatt first purchased Insmed Incorporated (INSM) in Q3 2025, acquiring 1,649 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Joel Greenblatt has held Insmed Incorporated (INSM) for 3 quarters since Q3 2025.
Joel Greenblatt's largest addition to Insmed Incorporated (INSM) was in Q4 2025, adding 21,762 shares worth $3.79 M.
According to the latest 13F filing for Q1 2026, Joel Greenblatt's firm, Gotham Asset Management, LLC, owns 10,010 shares of Insmed Incorporated (INSM), valued at approximately $1.64 M.
As of the Q1 2026 filing, Insmed Incorporated (INSM) represents approximately 0.01% of Joel Greenblatt's publicly disclosed stock portfolio, making it one of their key holdings.
Joel Greenblatt's peak holding in Insmed Incorporated (INSM) was 21,762 shares, as reported at the end of Q4 2025.