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Glaukos (GKOS) Institutional Ownership

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$87.45 +2.96 (+3.50%)
Closing price 10/3/2025 03:59 PM Eastern
Extended Trading
$85.42 -2.03 (-2.32%)
As of 10/3/2025 04:10 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.
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Institutional Ownership Changes (13F Filings) for Glaukos (NYSE:GKOS)

Current
Institutional Ownership
Percentage
99.04%
Number of
Institutional Buyers
(last 12 months)
233
Total
Institutional Inflows
(last 12 months)
$1.69B
Number of
Institutional Sellers
(last 12 months)
147
Total
Institutional Outflows
(last 12 months)
$3.08B
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Skip Chart & View Institutional Buying and Selling Data

GKOS Institutional Buying and Selling by Quarter

Glaukos Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/2/2025 GAMMA Investing LLC1,646$134K0.0%-22.0%0.003%
9/26/2025Corient Private Wealth LLC31,599$3.26M0.0%+5.7%0.055%
9/24/2025Texas Permanent School Fund Corp19,655$2.03M0.0%-70.4%0.034%
9/4/2025Osaic Holdings Inc.6,704$690K0.0%-11.5%0.012%
8/26/2025Thrivent Financial for Lutherans42,017$4.34M0.0%+3.7%0.073%
8/19/2025State of Wyoming1,524$157K0.0%-53.8%0.003%
8/16/2025Public Sector Pension Investment Board194,842$20.13M0.1%+11.4%0.340%
8/16/2025Evergreen Capital Management LLC2,913$301K0.0%-14.7%0.005%
8/15/2025CANADA LIFE ASSURANCE Co60,834$6.29M0.0%+1.7%0.106%
8/15/2025Tower Research Capital LLC TRC 5,804$599K0.0%+367.3%0.010%
8/15/2025Corient Private Wealth LLC31,625$3.27M0.0%+5.8%0.055%
8/15/2025State of Tennessee Department of Treasury24,768$2.56M0.0%+4.7%0.043%
8/15/2025Tidal Investments LLC6,475$669K0.0%-29.1%0.011%
8/15/2025Smartleaf Asset Management LLC973$99K0.0%+16.2%0.002%
8/15/2025Oxford Asset Management LLP5,348$552K0.2%+31.3%0.009%
8/15/2025Man Group plc147,070$15.19M0.0%+1,387.7%0.256%
8/15/2025Lazard Asset Management LLC25,792$2.66M0.0%+52.0%0.045%
8/15/2025Holocene Advisors LP1,045,886$108.03M0.3%+40.1%1.824%
8/15/2025Gilder Gagnon Howe & Co. LLC700,634$72.37M0.8%-16.2%1.222%
8/15/2025Eventide Asset Management LLC220,740$22.80M0.4%-24.1%0.385%
8/15/2025BNP Paribas Financial Markets5,482$566K0.0%+51.9%0.010%
8/15/2025Braidwell LP603,414$62.33M2.1%-3.4%1.052%
8/15/2025Bank of America Corp DE285,646$29.50M0.0%+34.6%0.498%
8/15/2025Ameriprise Financial Inc.1,999,252$206.50M0.1%+3.5%3.486%
8/14/2025California State Teachers Retirement System50,854$5.25M0.0%+0.8%0.089%
8/14/2025Raymond James Financial Inc.114,604$11.84M0.0%-11.1%0.200%
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%
8/12/2025Champlain Investment Partners LLC363,026$37.50M0.3%N/A0.633%
8/12/2025Ameritas Investment Partners Inc.5,709$590K0.0%+14.0%0.010%
8/12/2025Prudential Financial Inc.59,372$6.13M0.0%+10.4%0.104%
8/12/2025Segall Bryant & Hamill LLC122,396$12.64M0.2%+20.4%0.213%
8/12/2025Rhumbline Advisers159,283$16.45M0.0%+12.7%0.278%
8/12/2025Journey Strategic Wealth LLC2,137$221K0.0%N/A0.004%
8/12/2025Legal & General Group Plc195,211$20.16M0.0%+6.1%0.340%
8/12/2025JPMorgan Chase & Co.642,437$66.36M0.0%+10.2%1.120%
8/12/2025DNB Asset Management AS57,283$5.92M0.0%N/A0.100%
8/12/2025Swiss National Bank108,000$11.16M0.0%+1.0%0.188%
8/12/2025Handelsbanken Fonder AB15,300$1.58M0.0%-16.8%0.027%
8/12/2025Westfield Capital Management Co. LP1,167,853$120.63M0.5%+7.7%2.036%
8/12/2025Ensign Peak Advisors Inc51,429$5.31M0.0%+20.2%0.090%
8/12/2025Artisan Partners Limited Partnership287,221$29.67M0.0%-5.0%0.501%
8/11/2025Primecap Management Co. CA1,827,998$188.81M0.1%+50.0%3.187%
8/11/2025Inspire Advisors LLC2,016$208K0.0%N/A0.004%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH59,263$6.12M0.0%-33.7%0.103%
8/8/2025Intech Investment Management LLC49,316$5.09M0.0%-46.7%0.086%
8/8/2025Creative Planning18,368$1.90M0.0%+28.8%0.032%
8/8/2025Commonwealth of Pennsylvania Public School Empls Retrmt SYS14,670$1.52M0.0%+11.2%0.026%
8/8/2025Police & Firemen s Retirement System of New Jersey12,739$1.32M0.0%+19.4%0.022%
8/8/2025Geode Capital Management LLC1,330,593$137.45M0.0%+9.5%2.320%
8/8/2025Wealth Alliance LLC2,279$235K0.0%N/A0.004%
8/8/2025KBC Group NV1,689$174K0.0%-30.1%0.003%
8/7/2025Illinois Municipal Retirement Fund28,244$2.92M0.0%-23.5%0.049%
8/7/2025ProShare Advisors LLC12,502$1.29M0.0%+7.4%0.022%
8/7/2025Profund Advisors LLC2,822$291K0.0%+13.9%0.005%
8/7/2025Connor Clark & Lunn Investment Management Ltd.13,118$1.36M0.0%N/A0.023%
8/7/2025Parkside Financial Bank & Trust1,252$129K0.0%+909.7%0.002%
8/6/2025EFG Asset Management North America Corp.55,459$5.73M0.8%+4.5%0.097%
8/5/2025Bank of New York Mellon Corp392,542$40.55M0.0%+6.6%0.687%
8/5/2025Zweig DiMenna Associates LLC8,600$888K0.1%-85.9%0.015%
8/4/2025Amalgamated Bank15,996$1.65M0.0%+3.2%0.028%
8/4/2025Atria Investments Inc2,550$263K0.0%-33.7%0.004%
8/1/2025AustralianSuper Pty Ltd406,096$41.95M0.2%N/A0.711%
8/1/2025Teacher Retirement System of Texas19,948$2.06M0.0%+3.3%0.035%
8/1/2025Bessemer Group Inc.6,542$675K0.0%+2,270.3%0.011%
8/1/2025Envestnet Asset Management Inc.48,439$5.00M0.0%+72.8%0.085%
7/31/2025Oppenheimer Asset Management Inc.14,297$1.48M0.0%+245.6%0.025%
7/31/2025State of New Jersey Common Pension Fund D19,905$2.06M0.0%+4.2%0.035%
7/31/2025AlphaQuest LLC644$67K0.0%+5,754.5%0.001%
(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, 326 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), Ameriprise Financial Inc. ($206.50M), Primecap Management Co. CA ($188.81M), and Janus Henderson Group PLC ($163.80M).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 282 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), Point72 Asset Management L.P. ($570.00K), and Invesco Ltd. ($522.07K).

How much institutional buying is happening at Glaukos?

Institutional investors have bought a total of 14,101,173 shares in the last 24 months. This purchase volume represents approximately $1.69B in transactions.

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

Of the 147 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 22,257,546 shares in the last 24 months. This volume of shares sold represents approximately $3.08B in transactions.


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This page (NYSE:GKOS) was last updated on 10/5/2025 by MarketBeat.com Staff
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