Canonical: https://ownershiptrace.com/13f/companies/1126

# Who owns INSMED Inc (INSM)? Elite investor 13F holders

6 tracked elite investors reported holding INSMED Inc as of 2026-06-30, including D.E. Shaw, Maverick Capital, Bridgewater Associates, Tudor Investment, Gotham Asset Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

6 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Insmed Incorporated develops and commercializes therapies for patients with serious and rare diseases in the United States, Europe, Japan, and internationally. The company offers ARIKAYCE for the treatment of refractory nontuberculous mycobacterial lung infections, as well as is in phase 3 clinical trial for the treatment of mycobacterium avium complex lung disease as part of a combination…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 626707989.00 USD | 5877959.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Maverick Capital](https://ownershiptrace.com/13f/investors/50) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 229314244.00 USD | 2150762.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/934639/0000947871-26-000793-index.html) |
| [Duquesne Family Office](https://ownershiptrace.com/13f/investors/30) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1536411/0001536411-26-000006-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 48553895.00 USD | 455392.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 20832588.00 USD | 195391.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | INSMED INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2334232.00 USD | 21893.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | INSMED INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 21324.00 USD | 200.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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