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GLAUKOS Corp

GKOS
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001192448

In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding GLAUKOS Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of GKOS: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders3157332+24
Shares55.9M207.7K57.1M+1.36M (+2.4%)
Value$4.56B$16.9M$6.44B+$1.90B (+41.8%)

7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (76)

Institutions that held GLAUKOS Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to GKOS in Q4 2025
InstitutionSharesValue% of portfolio
Nomura Asset Management International Inc.672,958$76.0M0.11%
Norges Bank536,143$60.5M0.01%
PFM Health Sciences, LP201,676$22.8M2.31%
Eversept Partners, LP147,471$16.7M0.93%
Perceptive Advisors LLC140,000$15.8M0.29%
Defilade Capital Management, L.P.91,703$10.4M1.40%
Balyasny Asset Management LLC87,171$9.84M0.02%
Capricorn Fund Managers Ltd60,000$6.77M1.63%
EFG International AG55,340$6.25M0.12%
Canada Pension Plan Investment Board51,600$5.83M0.00%
Resolute Capital Asset Partners LLC40,500$4.57M2.21%
Lisanti Capital Growth, LLC24,135$2.73M0.65%
Lazard Asset Management LLC20,519$2.32M0.00%
Clough Capital Partners L P20,368$2.30M0.21%
Havemeyer Place LP13,557$1.53M0.30%
CenterBook Partners LP13,257$1.50M0.07%
Dark Forest Capital Management LP12,268$1.39M0.06%
Lighthouse Investment Partners, LLC10,000$1.13M0.04%
Legato Capital Management LLC6,700$756.5K0.07%
Persistent Asset Partners Ltd3,770$425.7K0.20%
CIBC World Markets Corp3,699$417.7K0.00%
Qsemble Capital Management, LP3,682$415.7K0.03%
Apriem Advisors3,412$385.2K0.04%
Fieldview Capital Management, LLC2,999$338.6K0.06%
Jacobs Levy Equity Management, Inc2,984$336.9K0.00%
Abel Hall, LLC2,839$320.6K0.07%
Third View Private Wealth, LLC2,830$319.5K0.04%
XTX Topco Ltd2,728$308.0K0.01%
CIBC Asset Management Inc2,723$307.5K0.00%
Gotham Asset Management, LLC2,666$301.0K0.00%
Inspire Advisors, LLC2,645$298.7K0.03%
O'Shaughnessy Asset Management, LLC2,563$289.4K0.00%
Abacus Wealth Partners, LLC2,443$275.8K0.03%
Wealth Alliance2,199$248.3K0.02%
Stonebridge Financial Group, LLC2,124$239.8K0.02%
Captrust Financial Advisors2,117$239.0K0.00%
Sanctuary Advisors, LLC2,098$236.9K0.00%
Guggenheim Capital LLC2,060$232.6K0.00%
Shelton Capital Management2,015$227.5K0.00%
First Trust Advisors LP1,956$220.9K0.00%
Fund Advisors of America Inc1,940$219.0K0.20%
HSBC Holdings PLC1,849$208.8K0.00%
MML Investors Services, LLC1,839$207.6K0.00%
RSM US Wealth Management LLC1,814$207.2K0.00%
Sequoia Financial Advisors, LLC1,796$202.8K0.00%
RWC Asset Management LLP1,790$202.1K0.01%
Pinnacle Wealth Planning Services, Inc.1,176$132.8K0.01%
Kestra Advisory Services, LLC1,137$128.4K0.00%
Eurizon Capital SGR S.p.A.1,098$125.3K0.00%
Harbour Investments, Inc.763$86.2K0.00%
Essential Investment Partners LLC500$56.5K0.05%
Keating Financial Advisory Services, Inc.231$26.1K0.00%
Los Angeles Capital Management LLC251$22.0K0.00%
Kemnay Advisory Services Inc.173$19.5K0.00%
Torren Management, LLC153$17.3K0.01%
Sound Income Strategies, LLC101$12.1K0.00%
DV Trading LLC100$11.3K0.00%
SJS Investment Consulting Inc.68$7.68K0.00%
Meramec Financial Planners, LLC68$7.65K0.00%
SageView Advisory Group, LLC65$7.34K0.00%
International Assets Investment Management, LLC63$7.11K0.00%
Brown Brothers Harriman & Co49$5.53K0.00%
CIBC Private Wealth Group, LLC23$2.60K0.00%
Rachor Investment Advisory Services, LLC20$2.26K0.00%
Kilter Group LLC16$1.81K0.00%
Ankerstar Wealth, LLC9$1.02K0.00%
UMA Financial Services, Inc.7$7910.00%
Cornerstone Financial Management LLC7$7900.00%
CVA Family Office, LLC6$6770.00%
SHP Wealth Management5$5650.00%
Gilpin Wealth Management, LLC5$5650.00%
Marquette Asset Management, LLC4$4520.00%
Cedar Mountain Advisors, LLC4$4520.00%
Central Trust Co3$3390.00%
Essential Partners LLC2$2260.00%
Dunhill Financial, LLC1$990.00%

Sold out (52)

Institutions that held GLAUKOS Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of GKOS in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Westfield Capital Management Co LP1,231,641$100.4M
Macquarie Group Ltd600,228$48.9M
Iron Triangle Partners LP342,804$28.0M
Jane Street Group, LLC307,183$25.1M
Freestone Grove Partners LP263,889$21.5M
Atika Capital Management LLC212,400$17.3M
Squarepoint Ops LLC210,814$17.2M
Man Group plc138,587$11.3M
Renaissance Technologies LLC57,892$4.72M
Voloridge Investment Management, LLC57,218$4.67M
Ra Capital Management, L.P.54,180$4.42M
Trexquant Investment LP48,759$3.98M
TD Asset Management Inc14,184$1.16M
Campbell & CO Investment Adviser LLC13,588$1.11M
Fox Run Management, L.L.C.12,308$1.00M
Susquehanna International Group, LLP11,944$974.0K
Harbor Capital Advisors, Inc.11,621$948.0K
Cinctive Capital Management LP11,498$937.7K
Brevan Howard Capital Management LP8,526$695.3K
Aquatic Capital Management LLC8,297$676.6K
Magnetar Financial LLC8,209$669.4K
Verition Fund Management LLC7,102$579.2K
Lombard Odier Asset Management (USA) Corp6,213$506.7K
New York Life Investment Management LLC5,634$459.5K
Aigen Investment Management, LP4,400$358.8K
GTS Securities LLC4,287$349.6K
FORA Capital, LLC4,146$338.1K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC3,800$309.9K
Headlands Technologies LLC3,775$307.9K
Boothbay Fund Management, LLC3,703$302.0K
Henshaw Capital LLC3,404$277.6K
Occudo Quantitative Strategies LP3,264$266.2K
Walleye Trading LLC2,937$239.5K
Mirae Asset Global Investments Co., Ltd.1,724$140.6K
Peregrine Capital Management LLC1,641$133.8K
Ci Investments Inc.508$41.0K
Group One Trading, L.P.357$29.1K
FNY Investment Advisers, LLC300$24.0K
Wealthspire Advisors, LLC162$13.2K
Quarry LP107$8.73K
Advisory Services Network, LLC104$8.48K
NBC Securities, Inc.98$7.99K
Rise Advisors, LLC95$7.75K
JPL Wealth Management, LLC65$5.30K
Optiver Holding B.V.46$3.75K
Atlantic Trust, LLC24$1.96K
Private Trust Co NA22$1.79K
Caldwell Sutter Capital, Inc.20$1.63K
Prestige Wealth Management Group LLC14$1.14K
Principal Securities, Inc.8$652
Tortoise Investment Management, LLC7$571
Caitong International Asset Management Co., Ltd4$326

Not filed for Q4 2025 yet (7)

Institutions that held GLAUKOS Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GKOS in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC94,900$7.74M
EFG Asset Management (North America) Corp.56,548$4.61M
Point72 Hong Kong Ltd24,728$2.02M
Wolverine Trading, LLC22,106$1.80M
CIBC Bancorp USA Inc.5,961$486.1K
Point72 Asia (Singapore) Pte. Ltd.2,225$181.5K
Point72 (DIFC) Ltd1,278$104.2K