Citable ownership snapshot
INSM's latest 13F holder table lists D.E. Shaw & Co. as the largest holder in this view with 5,938,059 shares valued at $633.12M.
| Holder | Report date | Value | Portfolio weight |
|---|---|---|---|
| D.E. Shaw & Co. | Jun 30, 2026 | $633.12M | 0.3% |
| Citadel Advisors | Jun 30, 2026 | $339.89M | 0.0% |
| Millennium Management | Jun 30, 2026 | $312.21M | 0.1% |
| Maverick Capital | Jun 30, 2026 | $229.31M | 2.0% |
| Balyasny Asset Management | Jun 30, 2026 | $143.20M | 0.2% |
| Two Sigma Investments | Jun 30, 2026 | $133.30M | 0.1% |
| AQR Capital Management | Jun 30, 2026 | $65.33M | 0.0% |
| Point72 Asset Management | Jun 30, 2026 | $57.48M | 0.1% |
Source: SEC EDGAR 13F filings; period Jun 30, 2026; filed Aug 14, 2026.
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