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Glaukos (GKOS) Institutional Ownership

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$137.19 +0.83 (+0.61%)
Closing price 05/13/2026 03:59 PM Eastern
Extended Trading
$137.36 +0.17 (+0.12%)
As of 05/13/2026 06:43 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 Massive. 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)
251
Total
Institutional Inflows
(last 12 months)
$1.99B
Number of
Institutional Sellers
(last 12 months)
137
Total
Institutional Outflows
(last 12 months)
$1.05B
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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
5/13/2026Cetera Investment Advisers3,133$337K0.0%-12.1%0.005%
5/13/2026First Trust Advisors LP42,754$4.60M0.0%+2,085.8%0.073%
5/8/2026 PNC Financial Services Group Inc.34,256$3.69M0.0%+5.5%0.058%
5/8/2026 Summit Global Investments8,849$953K0.1%+25.5%0.015%
5/7/2026 WCM Investment Management LLC93,427$9.81M0.0%-4.0%0.159%
5/7/2026 Dimensional Fund Advisors LP199,084$21.43M0.0%-3.1%0.339%
5/7/2026 Parallel Advisors LLC368$40K0.0%+159.2%0.001%
5/7/2026 Swiss National Bank113,600$12.23M0.0%+0.4%0.193%
5/6/2026 Jennison Associates LLC487,020$52.43M0.0%N/A0.829%
5/6/2026 California Public Employees Retirement System68,654$7.39M0.0%-5.1%0.117%
5/6/2026 Zhang Financial LLC23,586$2.54M0.1%+2.7%0.040%
5/6/2026 Assetmark Inc.76,306$8.22M0.0%+110,488.4%0.130%
5/6/2026 Bessemer Group Inc.3,573$385K0.0%-62.2%0.006%
5/6/2026 Allspring Global Investments Holdings LLC393,831$44.36M0.1%+10.9%0.671%
5/5/2026 Bank of New York Mellon Corp343,173$36.95M0.0%-3.6%0.584%
5/5/2026 Illinois Municipal Retirement Fund34,395$3.70M0.0%+13.3%0.059%
5/5/2026 Sanctuary Advisors LLC3,323$358K0.0%+58.4%0.006%
5/4/2026 Archer Investment Corp1,594$172K0.0%N/A0.003%
5/4/2026 Principal Financial Group Inc.280,737$30.22M0.0%+2.2%0.480%
5/4/2026 Teachers Retirement System of The State of Kentucky14,301$1.54M0.0%+1.8%0.024%
5/1/2026 Fifth Third Bancorp16,533$1.78M0.0%+318.0%0.028%
5/1/2026 Sequoia Financial Advisors LLC2,077$224K0.0%+15.6%0.004%
4/30/2026 Granite Investment Partners LLC111,872$12.04M0.7%-6.3%0.191%
4/30/2026 Taylor Frigon Capital Management LLC23,445$2.52M1.4%-17.5%0.040%
4/28/2026 Abel Hall LLC2,185$235K0.1%-23.0%0.004%
4/28/2026 Stephens Inc. AR3,371$363K0.0%N/A0.006%
4/28/2026 Praxis Investment Management Inc.3,039$327K0.0%-20.4%0.005%
4/27/2026 New York State Teachers Retirement System46,372$4.99M0.0%-3.9%0.079%
4/27/2026 Y Intercept Hong Kong Ltd14,523$1.56M0.0%-27.9%0.025%
4/27/2026 Elevation Point Wealth Partners LLC2,290$247K0.0%N/A0.004%
4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.9,357$1.01M0.0%N/A0.016%
4/25/2026 Keybank National Association OH145,270$15.64M0.1%+1.9%0.248%
4/24/2026 Capricorn Fund Managers Ltd2,800$301K0.0%-95.3%0.005%
4/23/2026 Inspire Investing LLC5,751$619K0.1%+5.5%0.010%
4/22/2026 Pictet Asset Management Holding SA8,567$922K0.0%+4.3%0.015%
4/21/2026 Louisiana State Employees Retirement System25,500$2.75M0.0%N/A0.044%
4/20/2026 Assenagon Asset Management S.A.10,531$1.13M0.0%-94.2%0.018%
4/18/2026 Riverbridge Partners LLC433,228$46.64M1.1%-19.0%0.746%
4/16/2026 SG Americas Securities LLC11,446$1.23M0.0%-81.0%0.020%
4/16/2026 Diversified Trust Co8,866$955K0.0%+22.3%0.015%
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3/20/2026 Hsbc Holdings PLC1,849$209K0.0%N/A0.003%
3/13/2026Fund Advisors of America Inc FL1,940$219K0.2%N/A0.003%
3/9/2026Corient Private Wealth LLC30,978$3.50M0.0%+999.3%0.053%
2/25/2026Sit Investment Associates Inc.66,970$7.56M0.1%-2.4%0.117%
2/19/2026 Invesco Ltd.780,267$88.10M0.0%+28.5%1.358%
2/19/2026Corient Private Wealth LLC30,978$3.50M0.0%+999.3%0.054%
2/18/2026 Summit Global Investments7,052$796K0.0%+151.3%0.012%
2/18/2026State of Tennessee Department of Treasury23,344$2.79M0.0%-7.9%0.041%
2/18/2026Mackenzie Financial Corp15,404$1.76M0.0%+331.8%0.027%
2/18/2026Empowered Funds LLC1,926$217K0.0%N/A0.003%
2/18/2026XTX Topco Ltd2,728$308K0.0%N/A0.005%
2/18/2026Wellington Management Group LLP486,824$54.97M0.0%-86.4%0.848%
2/18/2026SummitTX Capital L.P.29,534$3.34M0.1%+83.9%0.051%
2/18/2026Susquehanna Portfolio Strategies LLC19,997$2.26M0.0%-76.5%0.035%
2/18/2026Osterweis Capital Management Inc.101,613$11.47M0.5%-28.6%0.177%
2/18/2026Perceptive Advisors LLC140,000$15.81M0.3%N/A0.244%
2/18/2026Millennium Management LLC1,609,699$181.75M0.1%+75.3%2.802%
2/18/2026 Inspire Investing LLC5,450$615K0.1%-17.1%0.009%
2/18/2026Janus Henderson Group PLC3,018,787$340.86M0.2%+183.4%5.256%
2/18/2026Gotham Asset Management LLC2,666$301K0.0%N/A0.005%
2/18/2026Eversept Partners LP147,471$16.65M0.8%N/A0.257%
2/18/2026Clough Capital Partners L P20,368$2.30M0.2%N/A0.035%
2/18/2026Balyasny Asset Management L.P.87,171$9.84M0.0%N/A0.152%
2/17/2026Guggenheim Capital LLC2,060$233K0.0%N/A0.004%
2/17/2026Brown Capital Management LLC326,579$36.87M3.0%-57.2%0.569%
2/17/2026AQR Capital Management LLC15,572$1.76M0.0%+50.9%0.027%
2/17/2026Braidwell LP921,979$104.10M3.3%+18.2%1.605%
2/17/2026 Abel Hall LLC2,839$321K0.1%N/A0.005%
2/17/2026Cetera Investment Advisers3,566$403K0.0%+4.7%0.006%
2/17/2026EFG International AG55,340$6.25M0.1%N/A0.096%
2/17/2026Lazard Asset Management LLC20,519$2.32M0.0%N/A0.036%
2/17/2026Amundi20,855$2.36M0.0%-88.5%0.036%
2/17/2026Price T Rowe Associates Inc. MD122,169$13.80M0.0%+4.5%0.213%
2/17/2026Osaic Holdings Inc.4,141$468K0.0%-16.6%0.007%
2/17/2026Integral Health Asset Management LLC325,000$36.70M1.8%+225.0%0.566%
2/17/2026Adage Capital Partners GP L.L.C.250,000$28.23M0.0%+774.7%0.435%
2/17/2026California State Teachers Retirement System54,563$6.16M0.0%+1.4%0.095%
2/17/2026 Russell Investments Group Ltd.27,627$3.12M0.0%+29.3%0.048%
2/17/2026 Maryland State Retirement & Pension System8,422$951K0.0%+2.1%0.015%
2/17/2026State of Wisconsin Investment Board39,141$4.42M0.0%-2.5%0.068%
2/17/2026Captrust Financial Advisors2,117$239K0.0%N/A0.004%
2/17/2026Artisan Partners Limited Partnership702,818$79.36M0.1%+139.3%1.224%
2/17/2026Fred Alger Management LLC325,540$36.76M0.1%+2.8%0.567%
2/17/2026 Blair William & Co. IL14,458$1.63M0.0%-25.9%0.025%
2/17/2026Royal Bank of Canada191,900$21.67M0.0%-48.1%0.334%
2/17/2026 Persistent Asset Partners Ltd3,770$426K0.2%N/A0.007%
2/16/2026Sofinnova Investments Inc.288,128$32.53M1.3%-7.9%0.502%
2/16/2026 Thornburg Investment Management Inc.47,725$5.39M0.1%-2.7%0.083%
2/16/2026Vanguard Personalized Indexing Management LLC4,396$496K0.0%+11.9%0.008%
2/16/2026 MML Investors Services LLC1,839$208K0.0%N/A0.003%
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2/16/2026Mariner LLC5,960$673K0.0%+29.8%0.010%
2/16/2026Fieldview Capital Management LLC2,999$339K0.1%N/A0.005%
2/16/2026 Landscape Capital Management L.L.C.23,017$2.60M0.2%+125.3%0.040%
2/16/2026Entropy Technologies LP4,114$465K0.0%-78.9%0.007%
2/16/2026Apriem Advisors3,412$385K0.0%N/A0.006%
2/13/2026 Kestra Advisory Services LLC1,137$128K0.0%N/A0.002%
2/13/2026Marshall Wace LLP7,244$818K0.0%-97.8%0.013%
2/13/2026The Manufacturers Life Insurance Company 26,773$3.02M0.0%-4.3%0.047%
2/13/2026CANADA LIFE ASSURANCE Co50,101$5.66M0.0%-18.3%0.087%
2/13/2026Inspire Advisors LLC2,645$299K0.0%N/A0.005%


GKOS Institutional Ownership - Frequently Asked Questions

During the previous two years, 371 institutional investors and hedge funds held shares of Glaukos. The most heavily invested institutionals were FMR LLC ($916.40M), Vanguard Group Inc. ($679.77M), Primecap Management Co. CA ($381.29M), Janus Henderson Group PLC ($340.86M), State Street Corp ($239.64M), Millennium Management LLC ($181.75M), and Ameriprise Financial Inc. ($154.97M).Learn more on Glaukos' institutional investors.

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

Of the 332 institutional investors that purchased Glaukos' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Primecap Management Co. CA ($2.56M), Wellington Management Group LLP ($2.10M), Janus Henderson Group PLC ($1.95M), Norges Bank ($1.84M), Alliancebernstein L.P. ($1.70M), William Blair Investment Management LLC ($1.21M), and Goldman Sachs Group Inc. ($913.46K).

Institutional investors have bought a total of 19,607,800 shares in the last 24 months. This purchase volume represents approximately $2.02B in transactions.

Of the 137 institutional investors that sold Glaukos' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($3.09M), Brown Capital Management LLC ($866.01K), Invesco Ltd. ($844.67K), Holocene Advisors LP ($498.83K), Marshall Wace LLP ($431.37K), Clearbridge Investments LLC ($359.53K), and New York State Common Retirement Fund ($335.73K).

Institutional investors have sold a total of 10,206,882 shares in the last 24 months. This volume of shares sold represents approximately $1.05B in transactions.


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This page (NYSE:GKOS) was last updated on 5/14/2026 by MarketBeat.com Staff.
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