INSMED Inc (INSM) Institutional Ownership

Ownership Summary

The institutional landscape for INSMED Inc (NASDAQ:INSM) includes 19 filers as of the latest reporting cycle ending December 2025.

• The percentage of INSMED owned by institutions changed from 101.6% in September 2025 to 0.0% in December 2025, marking a slight down trend.
• Institutional share ownership changed by 172.52% QoQ, while the number of institutional owners saw a decrease of 95.63% YoY.
• Among the 19 institutional holders of INSMED, 14 added to their stakes while 1 trimmed their positions and 4 held steady.
• The aggregate institutional position in INSMED now stands at 46.49K shares as of December 2025, after investors increased their holdings (up by 29.43K shares quarter on quarter which is down 194.67Mn shares year over year).
• As of December 31, 2025, NORDEA INVESTMENT MANAGEMENT AB held INSMED's largest shareholding position with over 20.01K shares, representing 0.01% of total outstanding shares.
• Among the most significant buyers of INSMED during December 2025 were NORDEA INVESTMENT MANAGEMENT AB (20.01K), Everhart Financial Group, Inc. (2.91K), Gilbert & Cook, Inc. (2.85K), Yeomans Consulting Group, Inc. (1.87K), Wedmont Private Capital (1.23K).
• Leading sellers of INSMED stock in December 2025 included Avior Wealth Management, LLC (781).
• The top 10 institutional holders of INSMED for the quarter ending December 2025 included NORDEA INVESTMENT MANAGEMENT AB (20.01K), FULTON BANK, N.A. (5.33K), SAGESPRING WEALTH PARTNERS, LLC (3.16K), Everhart Financial Group, Inc. (2.91K), Gilbert & Cook, Inc. (2.85K), Avior Wealth Management, LLC (2.37K), Cooper Financial Group (2.25K), Yeomans Consulting Group, Inc. (1.87K), GAMMA Investing LLC (1.67K), EVERPAR ADVISORS LLC (1.57K).