Jefferies Group's INSM Position Overview
Jefferies Group (via Jefferies Financial Group Inc.) currently holds 926,339 shares of Insmed Incorporated (INSM) worth $161.22 M, representing 0.82% of the portfolio. First purchased in 2023-Q1, this medium-term investment has been held for 12 quarters.
Based on 13F filings, Jefferies Group has maintained a strategic position in INSM, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 818,242 shares. Largest reduction occurred in Q2 2023, reducing 65,900 shares.
Analysis based on 13F filings available since 2013 Q2
Jefferies Group's Insmed Incorporated (INSM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Insmed Incorporated (INSM) Trades by Jefferies Group
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +818,242 | Add 756.95% | 926,339 | $174.04 |
| Q3 2025 | +103,114 | Add 2069.32% | 108,097 | $144.01 |
| Q2 2025 | +2,483 | Add 99.32% | 4,983 | $100.64 |
| Q1 2025 | -2,500 | Reduce 50.00% | 2,500 | $76.29 |
| Q4 2024 | +4,507 | Add 914.20% | 5,000 | $69.04 |
| Q3 2024 | -26,207 | Reduce 98.15% | 493 | $73.00 |
| Q2 2024 | +19,111 | Add 251.83% | 26,700 | $67.00 |
| Q1 2024 | +7,039 | Add 1279.82% | 7,589 | $27.13 |
| Q4 2023 | -2,290 | Reduce 80.63% | 550 | $30.99 |
| Q3 2023 | +2,840 | New Buy | 2,840 | $25.25 |
| Q2 2023 | -65,900 | Sold Out | 0 | $0.00 |
| Q1 2023 | +65,900 | New Buy | 65,900 | $17.05 |
Jefferies Group's Insmed Incorporated Investment FAQs
Jefferies Group first purchased Insmed Incorporated (INSM) in Q1 2023, acquiring 65,900 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jefferies Group has held Insmed Incorporated (INSM) for 12 quarters since Q1 2023.
Jefferies Group's largest addition to Insmed Incorporated (INSM) was in Q4 2025, adding 926,339 shares worth $161.22 M.
According to the latest 13F filing for Q4 2025, Jefferies Group's firm, Jefferies Financial Group Inc., owns 926,339 shares of Insmed Incorporated (INSM), valued at approximately $161.22 M.
As of the Q4 2025 filing, Insmed Incorporated (INSM) represents approximately 0.82% of Jefferies Group's publicly disclosed stock portfolio, making it one of their key holdings.
Jefferies Group's peak holding in Insmed Incorporated (INSM) was 926,339 shares, as reported at the end of Q4 2025.