Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Common Stock, par value $0.01 per share
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Shares outstanding
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211M
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Number of holders
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546
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Total 13F shares, excl. options
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211M
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Shares change
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+700K
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Total reported value, excl. options
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$30.3B
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Value change
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+$449M
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Put/Call ratio
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1.13
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Number of buys
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307
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Number of sells
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-262
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Price
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$144.01
Significant Holders of INSMED Inc - Common Stock, par value $0.01 per share (INSM) as of Q3 2025
678 filings reported holding INSM - INSMED Inc - Common Stock, par value $0.01 per share as of Q3 2025.
INSMED Inc - Common Stock, par value $0.01 per share (INSM) has 546 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 211M shares
of 211M outstanding shares and own 99.95% of the company stock.
Largest 10 shareholders include JPMORGAN CHASE & CO (23M shares), Darwin Global Management, Ltd. (20.5M shares), VANGUARD GROUP INC (19.9M shares), BlackRock, Inc. (12.4M shares), FMR LLC (9.18M shares), Capital International Investors (7.55M shares), PRICE T ROWE ASSOCIATES INC /MD/ (6.93M shares), BAKER BROS. ADVISORS LP (6.7M shares), D. E. Shaw & Co., Inc. (5.66M shares), and Artisan Partners Limited Partnership (4.94M shares).
This table shows the top 546 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.