Which hedge funds own INSM? INSMED INC, Q2 2026 13F holders
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15 of the hedge funds tracked by WhaleCreep disclosed a position in INSM (INSMED INC) in their Q2 2026 13F filings, worth $1.7bn in total. The largest holder by portfolio weight is Duquesne Family Office LLC at 3.5% of its book. 4 managers opened a new position this quarter: Maverick Capital, Point72 Asset Management LP, Tudor Investment, Holocene Advisors. 1 exited: Renaissance Technologies LLC.
15tracked managers holding
4opened this quarter
1exited this quarter
Which hedge funds hold INSM? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Duquesne Family Office LLC | Q2 2026 | 3.5% | $151.9m | 1,424,690 | 23% | added |
| Maverick Capital | Q2 2026 | 2.1% | $229.3m | 2,150,762 | – | new |
| Tremblant Capital | Q2 2026 | 0.5% | $18.2m | 170,670 | -2% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.4% | $626.7m | 5,877,959 | 4% | added |
| Bridgewater Associates | Q2 2026 | 0.2% | $48.6m | 455,392 | 54% | added |
| Citadel Advisors | Q2 2026 | 0.2% | $272.6m | 2,556,973 | 17% | added |
| Millennium Management | Q2 2026 | 0.1% | $218.4m | 2,048,005 | 77% | added |
| Point72 Asset Management LP | Q2 2026 | 0.1% | $57.3m | 536,997 | – | new |
| Tudor Investment | Q2 2026 | 0.1% | $20.8m | 195,391 | – | new |
| Woodline Partners | Q2 2026 | 0.1% | $16.3m | 152,618 | 3% | added |
| Holocene Advisors | Q2 2026 | 0.0% | $20.6m | 192,879 | – | new |
| Marshall Wace | Q2 2026 | 0.0% | $53.5m | 501,930 | 61% | added |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $1.7m | 15,677 | 345% | added |
| WCM Investment Management | Q2 2026 | 0.0% | $2.0m | 19,033 | 21% | added |
| Ancora Advisors | Q2 2026 | 0.0% | $21.3k | 200 | -7% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Renaissance Technologies LLC | 0.1% | $3.3m |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| Caxton Associates | Q4 2024 | 0.0% |
How has hedge fund ownership of INSM changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 15 | $1.7bn |
| Q1 2026 | 12 | $1.8bn |
| Q4 2025 | 10 | $479.5m |
| Q3 2025 | 12 | $795.4m |
| Q2 2025 | 12 | $692.1m |
| Q1 2025 | 10 | $482.7m |
| Q4 2024 | 12 | $293.0m |
| Q3 2024 | 11 | $264.9m |
| Q2 2024 | 11 | $436.6m |
| Q1 2024 | 4 | $74.9m |
| Q4 2023 | 6 | $161.9m |
| Q3 2023 | 6 | $141.9m |
| Q2 2023 | 4 | $116.4m |
| Q1 2023 | 5 | $93.4m |
| Q4 2022 | 9 | $129.9m |
| Q3 2022 | 8 | $106.7m |
Counts every tracked manager that disclosed INSM in that quarter's filing, including managers that have since stopped filing.