Insmed (INSM) Superinvestor holders
23 of the superinvestors we track hold Insmed (INSM) in their latest 13F filings, $2.3B in total.
Summary
The largest holder is David Shaw (D. E. Shaw & Co.), with $627M, 0.4% of the portfolio.
In their latest quarter: 4 opened a new position, 11 added, 8 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| David Shaw D. E. Shaw & Co. |
Added | 5,877,959 | $627M | 0.4% | Q2 2026 |
| Artisan Partners | Trimmed | 5,441,718 | $580M | 0.9% | Q2 2026 |
| Lee Ainslie Maverick Capital |
New position | 2,150,762 | $229M | 2.1% | Q2 2026 |
| Stanley Druckenmiller Duquesne Family Office |
Added | 1,424,690 | $152M | 3.5% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 1,242,222 | $132M | 0.1% | Q2 2026 |
| Jennison Associates | Added | 905,094 | $97M | 0.1% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Added | 715,922 | $76M | 0.1% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Added | 702,951 | $75M | 0.1% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 612,832 | $65M | 0.0% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
New position | 536,997 | $57M | 0.1% | Q2 2026 |
| Paul Marshall Marshall Wace |
Added | 501,930 | $54M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Added | 455,392 | $49M | 0.2% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
New position | 195,391 | $21M | 0.1% | Q2 2026 |
| Brandon Haley Holocene Advisors |
New position | 192,879 | $21M | 0.0% | Q2 2026 |
| Brett Barakett Tremblant Capital Group |
Trimmed | 170,670 | $18M | 0.5% | Q2 2026 |
| Alger Fred Alger Management |
Trimmed | 82,325 | $9M | 0.0% | Q2 2026 |
| Man Group Man Group plc |
Trimmed | 52,857 | $6M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 21,893 | $2M | 0.0% | Q2 2026 |
| WCM Investment Management | Added | 19,033 | $2M | 0.0% | Q2 2026 |
| Thornburg Thornburg Investment Management |
Trimmed | 18,413 | $2M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Added | 15,677 | $2M | 0.0% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 10,000 | $1M | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 200 | $21,324 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 23 |
| Q1 2026 | 23 |
| Q4 2025 | 23 |
| Q3 2025 | 28 |
| Q2 2025 | 26 |
| Q1 2025 | 23 |
| Q4 2024 | 24 |
| Q3 2024 | 24 |
Questions about Insmed
Which superinvestors own Insmed?
23 of the superinvestors we track hold Insmed (INSM) in their latest 13F filings, $2.3B in total. David Shaw, Artisan Partners, Lee Ainslie, Stanley Druckenmiller, Two Sigma, Jennison Associates.
Who is the largest superinvestor holder of INSM?
The largest holder is David Shaw (D. E. Shaw & Co.), with $627M, 0.4% of the portfolio.
From Insmed's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.