Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Common Stock
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Shares outstanding
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56.9M
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Number of holders
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308
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Total 13F shares, excl. options
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55.9M
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Shares change
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-5.15M
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Total reported value, excl. options
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$4.56B
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Value change
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-$459M
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Put/Call ratio
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2.63
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Number of buys
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158
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Number of sells
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-157
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Price
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$81.55
Significant Holders of GLAUKOS Corp - Common Stock (GKOS) as of Q3 2025
365 filings reported holding GKOS - GLAUKOS Corp - Common Stock as of Q3 2025.
GLAUKOS Corp - Common Stock (GKOS) has 308 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 55.9M shares
of 56.9M outstanding shares and own 98.24% of the company stock.
Largest 10 shareholders include BlackRock, Inc. (8.66M shares), VANGUARD GROUP INC (6.05M shares), WELLINGTON MANAGEMENT GROUP LLP (3.58M shares), PRIMECAP MANAGEMENT CO/CA/ (2.25M shares), STATE STREET CORP (2.1M shares), AMERIPRISE FINANCIAL INC (1.9M shares), ALLIANCEBERNSTEIN L.P. (1.73M shares), GEODE CAPITAL MANAGEMENT, LLC (1.32M shares), WESTFIELD CAPITAL MANAGEMENT CO LP (1.23M shares), and WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.09M shares).
This table shows the top 308 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.