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Glaukos (GKOS) Institutional Ownership

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$90.99 -0.80 (-0.87%)
Closing price 08/14/2025 03:59 PM Eastern
Extended Trading
$91.02 +0.02 (+0.02%)
As of 08/14/2025 06:44 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Institutional Ownership Changes (13F Filings) for Glaukos (NYSE:GKOS)

Current
Institutional Ownership
Percentage
99.04%
Number of
Institutional Buyers
(last 12 months)
232
Total
Institutional Inflows
(last 12 months)
$1.66B
Number of
Institutional Sellers
(last 12 months)
143
Total
Institutional Outflows
(last 12 months)
$3.05B
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GKOS Institutional Buying and Selling by Quarter

Glaukos Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025Quantinno Capital Management LP2,670$276K0.0%N/A0.005%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.33,172$3.43M0.0%+5.0%0.058%
8/14/2025Alliancebernstein L.P.1,251,854$129.30M0.0%-2.0%2.183%
8/14/2025Armistice Capital LLC31,438$3.25M0.1%N/A0.055%
8/14/2025Osterweis Capital Management Inc.94,373$9.75M0.5%+59.6%0.165%
8/14/2025The Manufacturers Life Insurance Company 29,667$3.06M0.0%+3.8%0.052%
8/14/2025Sei Investments Co.120,755$12.47M0.0%+13.8%0.211%
8/14/2025Qube Research & Technologies Ltd196,365$20.28M0.0%-8.6%0.342%
8/14/2025Lombard Odier Asset Management USA Corp3,371$348K0.0%N/A0.006%
8/14/2025State Street Corp2,090,365$215.91M0.0%+5.3%3.645%
8/14/2025Divisadero Street Capital Management LP101,791$10.51M0.7%N/A0.177%
8/14/2025California Public Employees Retirement System68,277$7.05M0.0%-0.9%0.119%
8/14/2025Federated Hermes Inc.23,823$2.46M0.0%-13.7%0.042%
8/13/2025Gamco Investors INC. ET AL8,001$826K0.0%+10.7%0.014%
8/13/2025Amundi239,279$24.80M0.0%+5.3%0.417%
8/13/2025Marshall Wace LLP230,685$23.83M0.0%-33.1%0.402%
8/13/2025Brown Capital Management LLC1,139,119$117.66M3.4%-4.5%1.986%
8/13/2025Baird Financial Group Inc.63,379$6.55M0.0%+17.7%0.111%
8/13/2025First Trust Advisors LP3,139$324K0.0%-91.2%0.005%
8/13/2025Invesco Ltd.997,092$102.99M0.0%-31.3%1.739%
8/13/2025Granite Investment Partners LLC192,580$19.89M1.0%+1,189.7%0.336%
8/13/2025M&T Bank Corp1,959$203K0.0%N/A0.003%
8/13/2025Lido Advisors LLC17,423$1.80M0.0%+4.3%0.030%
8/13/2025New York State Common Retirement Fund387,901$40.07M0.1%+2.7%0.676%
8/13/2025Schroder Investment Management Group5,898$598K0.0%-4.9%0.010%
8/13/2025Loomis Sayles & Co. L P593,612$61.31M0.1%-7.3%1.035%
8/13/2025Norges Bank738,828$76.31M0.0%N/A1.288%
8/13/2025Quadrature Capital Ltd4,715$487K0.0%N/A0.008%
8/13/2025State Board of Administration of Florida Retirement System13,003$1.34M0.0%+9.9%0.023%
8/13/2025Atika Capital Management LLC319,500$33.00M3.3%+21.3%0.557%
8/13/2025Quadrant Capital Group LLC6,145$635K0.0%-2.9%0.011%
8/13/2025Russell Investments Group Ltd.23,123$2.39M0.0%-39.8%0.040%
8/13/2025Rhenman & Partners Asset Management AB235,000$24.27M3.1%-13.0%0.410%
8/12/2025 Champlain Investment Partners LLC363,026$37.50M0.3%N/A0.633%
8/12/2025 Ameritas Investment Partners Inc.5,709$590K0.0%+14.0%0.010%
8/12/2025 Prudential Financial Inc.59,372$6.13M0.0%+10.4%0.104%
8/12/2025 Segall Bryant & Hamill LLC122,396$12.64M0.2%+20.4%0.213%
8/12/2025 Rhumbline Advisers159,283$16.45M0.0%+12.7%0.278%
8/12/2025 Journey Strategic Wealth LLC2,137$221K0.0%N/A0.004%
8/12/2025 Legal & General Group Plc195,211$20.16M0.0%+6.1%0.340%
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8/12/2025 JPMorgan Chase & Co.642,437$66.36M0.0%+10.2%1.120%
8/12/2025 DNB Asset Management AS57,283$5.92M0.0%N/A0.100%
8/12/2025 Swiss National Bank108,000$11.16M0.0%+1.0%0.188%
8/12/2025 Handelsbanken Fonder AB15,300$1.58M0.0%-16.8%0.027%
8/12/2025 Westfield Capital Management Co. LP1,167,853$120.63M0.5%+7.7%2.036%
8/12/2025 Ensign Peak Advisors Inc51,429$5.31M0.0%+20.2%0.090%
8/12/2025 Artisan Partners Limited Partnership287,221$29.67M0.0%-5.0%0.501%
8/11/2025 Primecap Management Co. CA1,827,998$188.81M0.1%+50.0%3.187%
8/11/2025 Inspire Advisors LLC2,016$208K0.0%N/A0.004%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH59,263$6.12M0.0%-33.7%0.103%
8/8/2025 Intech Investment Management LLC49,316$5.09M0.0%-46.7%0.086%
8/8/2025 Creative Planning18,368$1.90M0.0%+28.8%0.032%
8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS14,670$1.52M0.0%+11.2%0.026%
8/8/2025 Police & Firemen s Retirement System of New Jersey12,739$1.32M0.0%+19.4%0.022%
8/8/2025 Geode Capital Management LLC1,330,593$137.45M0.0%+9.5%2.320%
8/8/2025 Wealth Alliance LLC2,279$235K0.0%N/A0.004%
8/8/2025 KBC Group NV1,689$174K0.0%-30.1%0.003%
8/7/2025 Illinois Municipal Retirement Fund28,244$2.92M0.0%-23.5%0.049%
8/7/2025 ProShare Advisors LLC12,502$1.29M0.0%+7.4%0.022%
8/7/2025 Profund Advisors LLC2,822$291K0.0%+13.9%0.005%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.13,118$1.36M0.0%N/A0.023%
8/7/2025 Parkside Financial Bank & Trust1,252$129K0.0%+909.7%0.002%
8/6/2025 EFG Asset Management North America Corp.55,459$5.73M0.8%+4.5%0.097%
8/5/2025 Bank of New York Mellon Corp392,542$40.55M0.0%+6.6%0.687%
8/5/2025 Zweig DiMenna Associates LLC8,600$888K0.1%-85.9%0.015%
8/4/2025 Amalgamated Bank15,996$1.65M0.0%+3.2%0.028%
8/4/2025 Atria Investments Inc2,550$263K0.0%-33.7%0.004%
8/1/2025 AustralianSuper Pty Ltd406,096$41.95M0.2%N/A0.711%
8/1/2025 Teacher Retirement System of Texas19,948$2.06M0.0%+3.3%0.035%
8/1/2025 Bessemer Group Inc.6,542$675K0.0%+2,270.3%0.011%
8/1/2025 Envestnet Asset Management Inc.48,439$5.00M0.0%+72.8%0.085%
7/31/2025 Oppenheimer Asset Management Inc.14,297$1.48M0.0%+245.6%0.025%
7/31/2025 State of New Jersey Common Pension Fund D19,905$2.06M0.0%+4.2%0.035%
7/31/2025 AlphaQuest LLC644$67K0.0%+5,754.5%0.001%
7/30/2025 Ethic Inc.2,331$236K0.0%N/A0.004%
7/29/2025 Mutual of America Capital Management LLC7,340$758K0.0%-8.6%0.013%
7/29/2025 VIRGINIA RETIREMENT SYSTEMS ET Al11,500$1.19M0.0%N/A0.020%
7/29/2025 William Blair Investment Management LLC1,136,095$117.35M0.3%+52.4%1.988%
7/29/2025 WCM Investment Management LLC102,870$10.43M0.0%+6.2%0.180%
7/28/2025 Allianz Asset Management GmbH64,028$6.61M0.0%+12.5%0.112%
7/28/2025 Twin Tree Management LP18,026$1.86M0.0%+119.9%0.032%
7/28/2025 Bayforest Capital Ltd3,091$319K0.1%+115.4%0.005%
7/25/2025 Yousif Capital Management LLC21,788$2.25M0.0%+4.9%0.038%
7/25/2025 Allspring Global Investments Holdings LLC280,815$28.79M0.0%-12.5%0.491%
7/25/2025 Vanguard Personalized Indexing Management LLC3,394$351K0.0%+62.2%0.006%
7/25/2025 Oak Ridge Investments LLC10,695$1.11M0.1%-3.6%0.019%
7/24/2025 Inspire Investing LLC4,638$479K0.1%+17.2%0.008%
7/24/2025 Blair William & Co. IL47,250$4.88M0.0%+1.1%0.083%
7/24/2025 US Bancorp DE6,752$697K0.0%+12.6%0.012%
7/23/2025 Maryland State Retirement & Pension System16,793$1.74M0.0%+4.7%0.029%
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7/23/2025 Louisiana State Employees Retirement System26,700$2.76M0.0%+2.7%0.047%
7/23/2025 KLP Kapitalforvaltning AS11,700$1.21M0.0%+7.3%0.020%
7/18/2025 Truist Financial Corp7,296$754K0.0%+138.9%0.013%
7/17/2025 Park Place Capital Corp399$41K0.0%+68.4%0.001%
7/17/2025 Taylor Frigon Capital Management LLC31,204$3.22M1.7%+39.4%0.055%
7/17/2025 Avior Wealth Management LLC3,800$393K0.0%+12.3%0.007%
7/16/2025 State of Alaska Department of Revenue34,021$3.51M0.0%+11.4%0.060%
7/15/2025 Riverbridge Partners LLC403,971$41.73M0.7%+41.5%0.707%
7/15/2025 Fifth Third Bancorp4,453$460K0.0%+391.0%0.008%
7/15/2025 Revisor Wealth Management LLC1,914$204K0.1%N/A0.003%
(Data available from 1/1/2016 forward)

GKOS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of GKOS shares?

During the previous two years, 327 institutional investors and hedge funds held shares of Glaukos. The most heavily invested institutionals were FMR LLC ($916.40M), Vanguard Group Inc. ($587.09M), Wellington Management Group LLP ($225.46M), State Street Corp ($215.91M), Primecap Management Co. CA ($188.81M), Janus Henderson Group PLC ($163.80M), and Geode Capital Management LLC ($137.45M).Learn more on Glaukos' institutional investors.

What percentage of Glaukos' stock is owned by institutional investors?

99.04% of Glaukos' stock is owned by institutional investors. Learn more on GKOS's institutional investor holdings.

Which institutional investors have been buying Glaukos' stock?

Of the 278 institutional investors that purchased Glaukos' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($1.76M), Norges Bank ($1.66M), Alliancebernstein L.P. ($1.22M), William Blair Investment Management LLC ($1.20M), Primecap Management Co. CA ($1.18M), Driehaus Capital Management LLC ($797.44K), and Point72 Asset Management L.P. ($570.00K).

How much institutional buying is happening at Glaukos?

Institutional investors have bought a total of 13,784,299 shares in the last 24 months. This purchase volume represents approximately $1.66B in transactions.

Which of Glaukos' major shareholders have been selling company stock?

Of the 142 institutional investors that sold Glaukos' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Lord Abbett & CO. LLC ($11.18M), FMR LLC ($4.68M), Fred Alger Management LLC ($673.03K), D. E. Shaw & Co. Inc. ($495.86K), Invesco Ltd. ($461.54K), Janus Henderson Group PLC ($365.12K), and Iron Triangle Partners LP ($358.16K).

How much institutional selling is happening at Glaukos?

Institutional investors have sold a total of 21,985,650 shares in the last 24 months. This volume of shares sold represents approximately $3.05B in transactions.



This page (NYSE:GKOS) was last updated on 8/15/2025 by MarketBeat.com Staff
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