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Glaukos (GKOS) Institutional Ownership

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$185.66 +0.77 (+0.42%)
As of 08/21/2026 03:58 PM Eastern
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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)
212
Total
Institutional Inflows
(last 12 months)
$4.46B
Number of
Institutional Sellers
(last 12 months)
120
Total
Institutional Outflows
(last 12 months)
$919.69M
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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
8/21/2026 Braidwell LP591,927$82.73M3.1%-22.5%1.004%
8/21/2026 Nykredit A S1,963$274K0.0%N/A0.003%
8/20/2026 Susquehanna Fundamental Investments LLC24,049$3.36M0.1%N/A0.041%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC138,990$19.43M0.0%-3.3%0.236%
8/19/2026 Van ECK Associates Corp2,552$357K0.0%-12.3%0.004%
8/19/2026 Braun Stacey Associates Inc.55,010$7.69M0.2%N/A0.093%
8/19/2026 Wellington Management Group LLP428,215$59.85M0.0%+187.1%0.726%
8/19/2026 Archer Investment Corp1,594$223K0.0%N/A0.003%
8/18/2026Jefferies Financial Group Inc.7,856$1.10M0.0%N/A0.013%
8/17/2026 Corient Private Wealth LP57,048$7.97M0.0%N/A0.097%
8/17/2026 Bank of America Corp DE587,327$82.09M0.0%N/A0.996%
8/15/2026 Jupiter Topco LLC4,862,894$679.61M0.3%N/A8.245%
8/14/2026 Hsbc Holdings PLC1,915$268K0.0%N/A0.003%
8/14/2026 EFG International AG51,290$7.16M0.1%N/A0.087%
8/14/2026 Primecap Management Co. CA3,040,705$424.97M0.3%N/A5.155%
8/14/2026 Canada Pension Plan Investment Board87,500$12.23M0.0%N/A0.148%
8/14/2026 Osterweis Capital Management Inc.40,539$5.67M0.3%N/A0.069%
8/14/2026 Legal & General Group Plc165,836$23.18M0.0%N/A0.281%
8/14/2026 The Manufacturers Life Insurance Company 29,931$4.18M0.0%N/A0.051%
8/14/2026 Algert Global LLC30,871$4.32M0.1%-43.0%0.052%
8/13/2026 Sanctuary Advisors LLC4,778$668K0.0%N/A0.008%
8/12/2026 Elevation Point Wealth Partners LLC2,406$336K0.0%N/A0.004%
8/12/2026 William Blair Investment Management LLC661,675$92.48M0.3%N/A1.122%
8/12/2026 Fund Advisors of America Inc FL1,851$259K0.2%N/A0.003%
8/11/2026 Allworth Financial LP198$28K0.0%N/A0.000%
8/11/2026 B. Metzler seel. Sohn & Co. AG10,339$1.45M0.0%N/A0.018%
8/7/2026 BlackRock Inc.9,540,056$1.33B0.0%N/A16.174%
8/7/2026 Deutsche Bank AG61,957$8.66M0.0%N/A0.105%
8/7/2026 TimesSquare Capital Management LLC145,202$20.29M0.3%N/A0.246%
8/6/2026 Bank of New York Mellon Corp357,148$49.92M0.0%N/A0.606%
8/6/2026 State of Wyoming964$135K0.0%N/A0.002%
8/3/2026 Summit Global Investments4,149$580K0.0%N/A0.007%
8/3/2026 Oppenheimer Asset Management Inc.19,564$2.73M0.0%N/A0.033%
8/3/2026 Walleye Capital LLC26,835$3.75M0.0%N/A0.045%
7/10/2026 Handelsbanken Fonder AB19,800$2.77M0.0%+5.9%0.034%
7/9/2026 Valeo Financial Advisors LLC9,892$1.38M0.0%+4.7%0.017%
7/8/2026 Trust Point Inc.3,640$509K0.0%-14.2%0.006%
7/8/2026 Assenagon Asset Management S.A.108,736$15.20M0.0%+932.5%0.185%
7/7/2026 GAMMA Investing LLC3,165$442K0.0%+35.4%0.005%
7/7/2026 Moody National Bank Trust Division1,762$246K0.0%N/A0.003%
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7/6/2026 Stonebridge Financial Group LLC1,996$279K0.0%-6.1%0.003%
6/3/2026 Parallel Advisors LLC368$40K0.0%+159.2%0.001%
5/22/2026 Segall Bryant & Hamill LLC124,951$13.45M0.2%-4.9%0.213%
5/19/2026 Bank of America Corp DE657,432$70.78M0.0%+22.0%1.119%
5/19/2026Janus Henderson Group PLC5,348,395$575.84M0.3%+77.2%9.107%
5/18/2026 Amundi26,213$2.82M0.0%+25.7%0.045%
5/18/2026California State Teachers Retirement System66,434$7.15M0.0%+21.8%0.113%
5/18/2026 Royal Bank of Canada204,153$21.98M0.0%+6.4%0.348%
5/18/2026 Eversept Partners LP60,214$6.48M0.3%-59.2%0.103%
5/18/2026 Exome Asset Management LLC20,874$2.25M1.2%-33.7%0.036%
5/16/2026 The Manufacturers Life Insurance Company26,607$2.87M0.0%-0.6%0.045%
5/16/2026 Quantinno Capital Management LP30,836$3.32M0.0%+964.0%0.053%
5/16/2026 Lazard Asset Management LLC21,581$2.32M0.0%+5.2%0.037%
5/15/2026 Wealth Alliance LLC2,297$247K0.0%+4.5%0.004%
5/14/2026 Renaissance Technologies LLC118,892$12.80M0.0%N/A0.202%
5/14/2026 Gamco Investors INC. ET AL3,264$351K0.0%-11.8%0.006%
5/14/2026 Inceptionr LLC4,348$468K0.1%N/A0.007%
5/14/2026 Sei Investments Co.161,680$17.41M0.0%-11.1%0.275%
5/14/2026 Lido Advisors LLC14,818$1.60M0.0%-1.6%0.025%
5/13/2026 Cetera Investment Advisers3,133$337K0.0%-12.1%0.005%
5/13/2026 First 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%
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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%
3/20/2026 Hsbc Holdings PLC1,849$209K0.0%N/A0.003%


GKOS Institutional Ownership - Frequently Asked Questions

During the previous two years, 367 institutional investors and hedge funds held shares of Glaukos. The most heavily invested institutionals were BlackRock Inc. ($1.33B), FMR LLC ($916.40M), Vanguard Group Inc. ($679.77M), Jupiter Topco LLC ($679.61M), Janus Henderson Group PLC ($575.84M), Primecap Management Co. CA ($424.97M), and State Street Corp ($239.64M).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 328 institutional investors that purchased Glaukos' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($9.54M), Primecap Management Co. CA ($5.23M), Jupiter Topco LLC ($4.86M), Janus Henderson Group PLC ($4.28M), Wellington Management Group LLP ($2.38M), William Blair Investment Management LLC ($1.88M), and Norges Bank ($1.84M).

Institutional investors have bought a total of 35,794,287 shares in the last 24 months. This purchase volume represents approximately $4.46B in transactions.

Of the 120 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 ($812.54K), Holocene Advisors LP ($498.83K), Invesco Ltd. ($389.65K), Clearbridge Investments LLC ($359.53K), New York State Common Retirement Fund ($335.73K), and Marshall Wace LLP ($317.28K).

Institutional investors have sold a total of 8,890,055 shares in the last 24 months. This volume of shares sold represents approximately $919.69M in transactions.


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Institutional ownership data for NYSE:GKOS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/21/2026. New 13F filings are added each quarter as they're published.
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