13F

Stock

Glaukos Corp

GKOS · held by 335 managers

Reported value

$6.13B

Holders

335

+42 new · −40 exited

Holders’ est. mark

−$217.2M

Price effect on 216 books still in the name

Largest holder

$978.6M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.9.09M$978.6M−$47.7MCut−$56.1M
JANUS HENDERSON GROUP PLC5.35M$575.8M−$15.8MAdded$235M
PRIMECAP MANAGEMENT CO/CA/3.37M$362.9M−$17.7MCut−$18.4M
VANGUARD PORTFOLIO MANAGEMENT LLC3.21M$345.4MHeld
VANGUARD CAPITAL MANAGEMENT LLC2.51M$270.1MHeld
State Street2.18M$235M−$11.1MCut−$4.66M
AMERIPRISE FINANCIAL INC1.61M$173.4M−$8.46MCut−$64.2M
ALLIANCEBERNSTEIN L.P.1.4M$157.8M−$0Cut−$27.8M
Citadel1.45M$155.8M−$141.5KAdded$152.7M
Holocene Advisors, LP1.38M$149M−$6.82MAdded$2.27M
GOLDMAN SACHS GROUP INC1.37M$148M−$7.09MCut−$4.45M
GEODE CAPITAL MANAGEMENT, LLC1.36M$146.1M−$6.91MCut−$2.74M
MILLENNIUM MANAGEMENT LLC1.17M$126.4M−$6.16MCut−$55.4M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1.07M$115.6M−$5.64MCut−$9.37M
Capital World Investors989.1K$106.5M−$4.47MAdded$10.4M
Invesco Ltd.914.2K$98.4M−$4.1MAdded$10.3M
BRAIDWELL LP763.5K$82.2M−$4.01MCut−$21.9M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC714.4K$76.9M−$3.75MCut−$3.71M
MORGAN STANLEY678.8K$73.1M−$3.52MCut−$2.66M
BANK OF AMERICA CORP /DE/657.4K$70.8M−$2.83MAdded$9.96M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.612.1K$65.9M−$3.21MCut−$10.1M
Artisan Partners Limited Partnership607.5K$65.4M−$3.19MCut−$14M
NORTHERN TRUST CORP576.2K$62M−$3.03MCut−$4.26M
Driehaus Capital Management LLC487.9K$52.5MNew
JENNISON ASSOCIATES LLC487K$52.4MNew
WESTFIELD CAPITAL MANAGEMENT CO LP482.2K$51.9MNew
RIVERBRIDGE PARTNERS LLC433.2K$46.6M−$2.27MCut−$13.8M
LOOMIS SAYLES & CO L P421.2K$45.4M−$2.21MCut−$5.21M
Allspring Global Investments Holdings, LLC393.8K$44.4M$682.1KAdded$5.02M
Nuveen, LLC398.3K$42.9M−$2.09MCut−$2.96M
VANGUARD FIDUCIARY TRUST CO396.7K$42.7MHeld
UBS Group AG386.4K$41.6M−$2.03MCut−$57.1M
Capital International Investors373.3K$40.2M−$1.96MCut−$17.6M
Bank of New York Mellon Corp343.2K$36.9M−$1.8MCut−$3.23M
Champlain Investment Partners, LLC319K$34.3M−$1.67MCut−$3.28M
JPMORGAN CHASE & CO323.8K$34M−$2.56MCut−$28.8M
Fidelity303.3K$32.6M−$52.9KAdded$31.5M
Clearbridge Investments, LLC286.1K$30.8M−$588.1KAdded$18.1M
PRINCIPAL FINANCIAL GROUP INC280.7K$30.2M−$1.44MCut−$777K
D. E. Shaw & Co., Inc.251.2K$27M−$1.32MCut−$36M
BROWN CAPITAL MANAGEMENT LLC230K$24.8M−$1.21MCut−$12.1M
PFM Health Sciences, LP215.7K$23.2M−$1.06MAdded$449.4K
PUBLIC SECTOR PENSION INVESTMENT BOARD205.5K$22.1M−$1.04MCut−$326K
ROYAL BANK OF CANADA204.2K$22M−$1.01MAdded$312K
DIMENSIONAL FUND ADVISORS LP199.1K$21.4M−$1.06MCut−$1.78M
ExodusPoint Capital Management, LP179.7K$19.3MNew
Integral Health Asset Management, LLC175K$18.8M−$918.8KCut−$17.9M
SEI INVESTMENTS CO161.7K$17.4M−$848.8KCut−$3.13M
Legal & General Group Plc160.5K$17.3M−$842.8KCut−$3.01M
RHUMBLINE ADVISERS154.2K$16.6M−$795.2KCut−$503.6K
GILDER GAGNON HOWE & CO LLC152.9K$16.5M−$802.7KCut−$977.2K
EVENTIDE ASSET MANAGEMENT, LLC150K$16.2M−$787.7KCut−$16.5M
WELLINGTON MANAGEMENT GROUP LLP149.2K$16.1M−$783KCut−$38.9M
NEUBERGER BERMAN GROUP LLC147.9K$15.9M−$282.3KAdded$9.85M
Bellevue Group AG145.7K$15.7M−$764.9KCut−$13.9M
KEYBANK NATIONAL ASSOCIATION/OH145.3K$15.6M−$748.2KCut−$450.6K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC143.8K$15.5M−$751.8KCut−$689.1K
AustralianSuper Pty Ltd131.5K$14.2M−$690.6KCut−$36.6M
SILVERCREST ASSET MANAGEMENT GROUP LLC128.3K$13.8M−$547.5KAdded$2.04M
SEGALL BRYANT & HAMILL, LLC125K$13.5M−$656KCut−$1.38M
Renaissance Technologies118.9K$12.8MNew
FRED ALGER MANAGEMENT, LLC113.9K$12.3M−$598.2KCut−$24.5M
Swiss National Bank113.6K$12.2M−$593.8KCut−$539.9K
Granite Investment Partners, LLC111.9K$12M−$587.3KCut−$1.43M
Qube Research & Technologies Ltd108.9K$11.7M−$571.5KCut−$9.59M
Squarepoint Ops LLC108K$11.6MNew
Point72 Asset Management, L.P.101.3K$10.9M−$532KCut−$7.34M
RAYMOND JAMES FINANCIAL INC98.2K$10.4M−$799.5KCut−$861.2K
OSTERWEIS CAPITAL MANAGEMENT INC94.9K$10.2M−$498KCut−$1.26M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.94.5K$10.2M$96KAdded$10.2M
WCM INVESTMENT MANAGEMENT, LLC93.4K$9.81M−$862.3KCut−$1.31M
Universal- Beteiligungs- und Servicegesellschaft mbH87.8K$9.45M−$225.7KAdded$4.59M
Rhenman & Partners Asset Management AB84K$9.04M−$441KCut−$14.7M
ADAGE CAPITAL PARTNERS GP, L.L.C.81.9K$8.81M−$429.9KCut−$19.4M
ASSETMARK, INC76.3K$8.22M−$362Added$8.21M
NEW YORK STATE COMMON RETIREMENT FUND76.3K$8.21M−$400.3KCut−$778.9K
VICTORY CAPITAL MANAGEMENT INC76K$8.18M−$398.9KCut−$863.8K
California Public Employees Retirement System68.7K$7.39M−$360.4KCut−$776.6K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM66.4K$7.15M−$286.5KAdded$991.6K
TWO SIGMA INVESTMENTS, LP63.4K$6.83M−$333KCut−$4.31M
Trexquant Investment LP62.4K$6.72MNew
CITIGROUP INC61.5K$6.62M−$234.3KAdded$1.58M
Eversept Partners, LP60.2K$6.48M−$316.1KCut−$10.2M
PRUDENTIAL FINANCIAL INC58.6K$6.3M−$281.2KAdded$257.1K
Corient Private Wealth LLC56.9K$6.13M−$163.7KAdded$2.63M
Allianz Asset Management GmbH54.9K$5.91M−$288KCut−$417K
Baird Financial Group, Inc.52.8K$5.68M−$277.2KCut−$574.5K
VANGUARD ASSET MANAGEMENT, Ltd52.8K$5.68MHeld
EFG International AG52.3K$5.63M−$272.3KCut−$619.8K
DEUTSCHE BANK AG\52.1K$5.61M−$245.3KAdded$332.3K
ENVESTNET ASSET MANAGEMENT INC50.2K$5.41M−$263.7KCut−$443.9K
Engineers Gate Manager LP46.9K$5.05MNew
DNB Asset Management AS46.4K$4.99M−$243.4KCut−$4.3M
CANADA PENSION PLAN INVESTMENT BOARD43.9K$4.73M−$230.5KCut−$1.1M
FIRST TRUST ADVISORS LP42.8K$4.6M−$10.3KAdded$4.38M
STATE OF WISCONSIN INVESTMENT BOARD38.4K$4.13M−$201.4KCut−$289.4K
BNP PARIBAS FINANCIAL MARKETS36.2K$3.9M−$101.6KAdded$1.71M
TORONTO DOMINION BANK36.1K$3.89MNew
SUSQUEHANNA INTERNATIONAL GROUP, LLP35.1K$3.78MNew
Illinois Municipal Retirement Fund34.4K$3.7M−$159.4KAdded$273.9K
PNC Financial Services Group, Inc.34.3K$3.69M−$170.5KAdded$21.8K
MARSHALL WACE, LLP34.1K$3.67M−$38KAdded$2.85M
Creative Planning32.5K$3.5M−$167KCut−$88.7K
Quantinno Capital Management LP30.8K$3.32M−$15.2KAdded$2.99M
FRANKLIN RESOURCES INC30.8K$3.32M−$149.7KAdded$97.7K
MetLife Investment Management, LLC30.5K$3.28M−$160.2KCut−$202.5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.29.6K$3.19M−$151KCut−$60.6K
WELLS FARGO & COMPANY/MN29.6K$3.18M−$155.2KCut−$4.63M
Pier Capital, LLC29.3K$3.15MNew
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.28.6K$3.08M−$120.8KAdded$483.6K
MANUFACTURERS LIFE INSURANCE COMPANY, THE26.6K$2.86M−$139.7KCut−$158.4K
Amundi26.2K$2.82M−$109.5KAdded$467.4K
Louisiana State Employees Retirement System25.5K$2.75M−$133.9KCut−$224.2K
Zurcher Kantonalbank (Zurich Cantonalbank)24.6K$2.65M−$103.4KAdded$430K
INTECH INVESTMENT MANAGEMENT LLC23.9K$2.57M−$125.3KCut−$2.36M
Zhang Financial LLC23.6K$2.54M−$120.6KCut−$53.5K
Taylor Frigon Capital Management LLC23.4K$2.52M−$123.1KCut−$685.4K
State of Tennessee, Department of Treasury23.3K$2.51M−$273.6KCut−$273.6K
Vanguard Global Advisers, LLC23.1K$2.49MHeld
Russell Investments Group, Ltd.22.8K$2.45M−$119.6KCut−$666.7K
LAZARD ASSET MANAGEMENT LLC21.6K$2.32M−$107.7KAdded$6.61K
Verition Fund Management LLC21.1K$2.27MNew
Exome Asset Management LLC20.9K$2.25M−$109.6KCut−$1.31M
State of New Jersey Common Pension Fund D20.7K$2.23M−$108.7KCut−$427.4K
OPPENHEIMER ASSET MANAGEMENT INC.18.6K$2M−$97.5KCut−$482.7K
STIFEL FINANCIAL CORP17.7K$1.91M−$76.7KAdded$260.7K
Havemeyer Place LP17.1K$1.84M−$71.2KAdded$307.8K
FIFTH THIRD BANCORP16.5K$1.78M−$20.8KAdded$1.33M
YOUSIF CAPITAL MANAGEMENT, LLC15.8K$1.71M−$250.1KCut−$262.7K
ARIZONA STATE RETIREMENT SYSTEM15.8K$1.7M−$82.8KCut−$115.9K
BLAIR WILLIAM & CO/IL15.6K$1.68M−$75.9KAdded$45.4K
VOYA INVESTMENT MANAGEMENT LLC15.5K$1.67M−$81.5KCut−$19.8M
Police & Firemen's Retirement System of New Jersey15.2K$1.64M−$79.8KCut−$79.8K
Lido Advisors, LLC14.8K$1.6M$384.6KAdded$365.1K
Y-Intercept (Hong Kong) Ltd14.5K$1.56M−$76.2KCut−$710.5K
Icahn Capital14.3K$1.54M−$75.2KCut−$215.9K
Vanguard Investments Australia, Ltd.14.3K$1.54MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS14.2K$1.53M−$74.6KCut−$76.4K
Pathstone Holdings, LLC14.1K$1.52M−$74.1KCut−$195.6K
US BANCORP \DE\14.1K$1.51M−$73.8KCut−$348.3K
BARCLAYS PLC13.6K$1.47M−$71.5KCut−$8.82M
OREGON PUBLIC EMPLOYEES RETIREMENT FUND13.1K$1.41M−$68.9KCut−$73.7K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM13K$1.4M−$68.2KCut−$68.2K
KLP KAPITALFORVALTNING AS12.6K$1.36M−$64KCut−$21K
LPL Financial LLC12K$1.29M−$63KCut−$136.5K
CONGRESS ASSET MANAGEMENT CO11.6K$1.25MNew
ALLSTATE CORP11.2K$1.2MNew
THORNBURG INVESTMENT MANAGEMENT INC10.9K$1.17M−$57.2KCut−$4.22M
Assenagon Asset Management S.A.10.5K$1.13M−$55.3KCut−$19.5M
B. Metzler seel. Sohn & Co. AG10.3K$1.11M−$54.3KCut−$54.3K
OAK RIDGE INVESTMENTS LLC10.3K$1.11M−$47.6KAdded$86.5K
EHRLICH FINANCIAL GROUP10K$1.08M−$52.6KCut−$52.6K
MACKENZIE FINANCIAL CORP9.73K$1.05M−$61.8KCut−$708.7K
Valeo Financial Advisors, LLC9.45K$1.02M−$41.3KAdded$130.4K
FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.9.36K$1.01MNew
DIVERSIFIED TRUST CO8.87K$954.5K−$38.1KAdded$135.7K
ProShare Advisors LLC8.72K$938.5K−$45.8KCut−$290.6K
Pictet Asset Management Holding SA8.57K$922.3K−$43.1KCut−$4.78K
Maryland State Retirement & Pension System8.37K$901.4K−$44KCut−$49.5K
COMMONWEALTH EQUITY SERVICES, LLC8.28K$891.5K−$43.5KCut−$55.1K
EXCHANGE TRADED CONCEPTS, LLC7.74K$833.6K−$40.7KCut−$51.2K
QUADRANT CAPITAL GROUP LLC7.04K$757.6K−$36.3KCut−$22.8K
Lisanti Capital Growth, LLC7K$753.1K−$36.7KCut−$1.97M
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC6.57K$707.6K−$34.5KCut−$33.5K
Tidal Investments LLC6.1K$656.7K−$32KCut−$65.8K
BANK OF MONTREAL /CAN/5.9K$635.5K−$28.6KAdded$21.1K
FOX RUN MANAGEMENT, L.L.C.5.97K$627KNew
Inspire Investing, LLC5.75K$619.1K−$28.6KAdded$3.84K
Susquehanna Portfolio Strategies, LLC5.4K$581.4K−$28.3KCut−$1.68M
Vanguard Personalized Indexing Management, LLC5.31K$571.7K−$23.1KAdded$75.3K
STRS OHIO5.3K$570.6K−$27.8KCut−$27.8K
XPONANCE LLC5.26K$566.6K−$23.2KAdded$67K
JONES FINANCIAL COMPANIES LLLP5.4K$556.9K−$2.43KAdded$528.6K
HighTower Advisors, LLC5.17K$556.5K−$22.9KAdded$63.2K
EVERGREEN CAPITAL MANAGEMENT LLC4.99K$537K−$18.6KAdded$136.3K
Perbak Capital Partners LLP4.98K$536.4K−$17.7KAdded$156.5K
M&T Bank Corp4.7K$506.4K−$24.6KCut−$36.6K
TRUIST FINANCIAL CORP4.67K$502.8K−$24.5KCut−$270.5K
JACOBS LEVY EQUITY MANAGEMENT, INC4.66K$502K−$15.7KAdded$165.1K
Ameritas Investment Partners, Inc.4.63K$498.9K−$24.3KCut−$24.3K
Vestmark Advisory Solutions, Inc.4.38K$471.2KNew
INCEPTIONR LLC4.35K$468.1KNew
TRUST POINT INC.4.24K$456.8K−$21.1KAdded$3.81K
New Age Alpha Advisors, LLC4.2K$451.6K−$22KCut−$34.9K
Crossmark Global Holdings, Inc.4.02K$433.2K−$21.1KCut−$22.3K
Tower Research Capital LLC (TRC)4K$431K−$11.5KAdded$183.2K
Qsemble Capital Management, LP3.79K$407.9K−$19.3KCut−$7.81K
WINTON GROUP Ltd3.7K$398.3KNew
SCHRODER INVESTMENT MANAGEMENT GROUP3.79K$398.3K−$35KCut−$46.9K
Swiss Life Asset Management Ltd3.55K$382.2K−$13.4KAdded$93.1K
TFB Advisors LLC3.54K$381.4KNew
Apriem Advisors3.41K$367.3K−$17.9KCut−$17.9K
STEPHENS INC /AR/3.37K$362.9KNew
Sanctuary Advisors, LLC3.32K$357.8K−$11KAdded$120.9K
Ensign Peak Advisors, Inc3.32K$357.5K−$17.4KCut−$158K
Quantum Private Wealth, LLC3.27K$352.3K−$17.2KCut−$17.2K
GAMCO INVESTORS, INC. ET AL3.26K$351.4K−$17.1KCut−$66.5K
Cetera Investment Advisers3.13K$337.3K−$16.4KCut−$65.3K
OSAIC HOLDINGS, INC.3.13K$337.2K−$16.4KCut−$130.4K
SteelPeak Wealth, LLC3.04K$327.2K−$16KCut−$16K
GABELLI FUNDS LLC3K$323K−$15.8KCut−$15.8K
Atria Investments, Inc2.99K$321.5K−$15.7KCut−$79.1K
XTX Topco Ltd2.98K$321.1K−$14.3KAdded$13.1K
CIBC Bancorp USA Inc.2.84K$305.3KHeld
Fieldview Capital Management, LLC2.83K$304.6K−$14.9KCut−$34K
Capricorn Fund Managers Ltd2.8K$301.4K−$14.7KCut−$6.47M
CIBC Asset Management Inc2.68K$288.2K−$14.1KCut−$19.2K
O'SHAUGHNESSY ASSET MANAGEMENT, LLC2.65K$284.8K−$13.5KCut−$4.63K
PROFUND ADVISORS LLC2.63K$283.6K−$13.8KCut−$160K
FARALLON CAPITAL MANAGEMENT LLC2.6K$279.9K−$13.7KCut−$13.7K
High Note Wealth, LLC2.56K$275.3K−$13.4KCut−$13.4K
Abacus Wealth Partners, LLC2.55K$275K−$12.8KCut−$875
CMH Wealth Management LLC2.44K$262.5KNew
NISA INVESTMENT ADVISORS, LLC2.35K$252.7K−$12.1KCut−$8.26K
GAMMA Investing LLC2.34K$251.7K−$8.23KAdded$74.7K
WEALTH ALLIANCE, LLC2.3K$247.3K−$11.5KCut−$994
ELEVATION POINT WEALTH PARTNERS, LLC2.29K$246.5KNew
BOOTHBAY FUND MANAGEMENT, LLC2.26K$243.2KNew
RWC Asset Management LLP2.2K$236.5K−$9.4KAdded$34.4K
Abel Hall, LLC2.19K$235.2K−$11.5KCut−$85.3K
Stonebridge Financial Group, LLC2.13K$228.8K−$11.2KCut−$11K
Sequoia Financial Advisors, LLC2.08K$223.6K−$9.43KAdded$20.8K
Daiwa Securities Group Inc.2.07K$223.1KNew
GUGGENHEIM CAPITAL LLC2.05K$221K−$10.8KCut−$11.6K
SHELTON CAPITAL MANAGEMENT2.02K$216.9K−$10.6KCut−$10.6K
CAPTRUST FINANCIAL ADVISORS2K$214.8K−$10.5KCut−$24.2K
CHOREO, LLC1.99K$214.4K−$11.9KAdded$7.12K
State of Wyoming1.93K$207.9K−$10.1KCut−$18.3K
HSBC HOLDINGS PLC1.9K$204.4K−$9.71KCut−$4.32K
Fund Advisors of America Inc/FL1.88K$202.2K−$9.86KCut−$16.9K
GTS SECURITIES LLC1.87K$201.4KNew
Parkside Financial Bank & Trust1.79K$192.3K−$9.38KCut−$15.5K
SIMPLEX TRADING, LLC1.61K$173.7K−$5.18KAdded$62.3K
Archer Investment Corp1.59K$171.6KNew
SBI Securities Co., Ltd.1.29K$139K−$6.7KCut−$5.2K
Pinnacle Wealth Planning Services, Inc.1.24K$133.7K−$6.17KAdded$932
Eurizon Capital SGR S.p.A.1.1K$115.9K−$9.42KCut−$9.42K
HARBOUR INVESTMENTS, INC.865$93.1K−$4.01KAdded$6.98K
Rockefeller Capital Management L.P.753$81.1K−$1.06KAdded$58.4K
CWM, LLC745$80.3K$76.4KAdded$80.2K
ESSEX INVESTMENT MANAGEMENT CO LLC611$65.8K−$3.21KCut−$3.21K
Smartleaf Asset Management LLC622$65.3K−$5.74KCut−$92.7K
Asset Planning,Inc500$53.8K−$2.63KCut−$2.63K
REAP Financial Group, LLC486$52.3K−$2.55KCut−$2.55K
Salomon & Ludwin, LLC454$51.2K$118Added$118
Park Place Capital Corp454$48.9K−$2.38KCut−$2.38K
Farther Finance Advisors, LLC383$43.1K−$103Cut−$2.93K
Kemnay Advisory Services Inc.372$40K−$908Added$20.5K
Parallel Advisors, LLC368$39.6K−$745Added$23.6K
Sterling Capital Management LLC362$39K−$1.9KCut−$2.24K

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.