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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.

13F holders, Q3 2024

Institutional positions in GLAUKOS Corp as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
315
+37 vs. Q2 2024
Shares held
54.9M
+8.94M (+19.5%) vs. Q2 2024
Total value
$7.15B
+$1.71B (+31.5%) vs. Q2 2024
New holders
56
127 more added
Sold out
19
89 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GKOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 315 institutions
Q1 2021: 217 institutionsQ2 2021: 219 institutionsQ3 2021: 206 institutionsQ4 2021: 208 institutionsQ1 2022: 211 institutionsQ2 2022: 199 institutionsQ3 2022: 222 institutionsQ4 2022: 215 institutionsQ1 2023: 203 institutionsQ2 2023: 220 institutionsQ3 2023: 233 institutionsQ4 2023: 246 institutionsQ1 2024: 254 institutionsQ2 2024: 282 institutionsQ3 2024: 315 institutionsQ4 2024: 322 institutionsQ1 2025: 317 institutionsQ2 2025: 298 institutionsQ3 2025: 315 institutionsQ4 2025: 332 institutionsQ1 2026: 336 institutionsQ2 2026: 367 institutions
Value heldQ3 2024: $7.15B
Q1 2021: $4.13BQ2 2021: $4.10BQ3 2021: $2.13BQ4 2021: $1.94BQ1 2022: $2.50BQ2 2022: $2.01BQ3 2022: $2.36BQ4 2022: $2.03BQ1 2023: $2.37BQ2 2023: $3.45BQ3 2023: $3.75BQ4 2023: $4.05BQ1 2024: $4.89BQ2 2024: $6.39BQ3 2024: $7.15BQ4 2024: $8.57BQ1 2025: $5.67BQ2 2025: $6.30BQ3 2025: $4.56BQ4 2025: $6.44BQ1 2026: $6.25BQ2 2026: $8.44B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026367$8.44B
Q1 2026336$6.25B
Q4 2025332$6.44B
Q3 2025315$4.56B
Q2 2025298$6.30B
Q1 2025317$5.67B
Q4 2024322$8.57B
Q3 2024315$7.15B
Q2 2024282$6.39B
Q1 2024254$4.89B
Q4 2023246$4.05B
Q3 2023233$3.75B
Q2 2023220$3.45B
Q1 2023203$2.37B
Q4 2022215$2.03B
Q3 2022222$2.36B
Q2 2022199$2.01B
Q1 2022211$2.50B
Q4 2021208$1.94B
Q3 2021206$2.13B
Q2 2021219$4.10B
Q1 2021217$4.13B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2024.

Institutions holding GKOS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Louisiana State Employees Retirement System26,600$3.47M0.06%+1,300+5.1%Added
Federated Hermes, Inc.27,723$3.61M0.01%+5,861+26.8%Added
Illinois Municipal Retirement Fund27,862$3.63M0.05%+1,406+5.3%Added
MetLife Investment Management27,902$3.64M0.02%−332−1.2%Reduced
Taylor Frigon Capital Management LLC28,022$3.64M1.81%−11,654−29.4%Reduced
Corebridge Financial, Inc.28,325$3.69M0.02%−121−0.4%Reduced
Manufacturers Life Insurance Company, The28,343$3.69M0.00%+632+2.3%Added
Teachers Retirement System of the State of Kentucky28,470$3.71M0.03%+13,019+84.3%Added
EFG Asset Management (North America) Corp.29,319$3.82M0.64%+2,114+7.8%Added
Deutsche Bank AG29,319$3.82M0.00%+6,423+28.1%Added
Mirae Asset Global ETFs Holdings Ltd.29,365$3.83M0.01%+2,404+8.9%Added
CI Private Wealth, LLC29,900$3.90M0.01%+5,112+20.6%Added
Price T Rowe Associates Inc30,955$4.03M0.00%−1,681−5.2%Reduced
State of Alaska, Department of Revenue31,357$4.08M0.04%+1,785+6.0%Added
1832 Asset Management L.P.33,800$4.40M0.01%+33,800New
Lighthouse Investment Partners, LLC35,287$4.60M0.25%−10,040−22.2%Reduced
LMR Partners LLP36,986$4.82M0.11%+4,059+12.3%Added
Macquarie Group Ltd37,708$4.91M0.01%−17,562−31.8%Reduced
Natixis Advisors, L.P.37,738$4.92M0.01%+441+1.2%Added
Renaissance Technologies LLC37,992$4.95M0.01%−83,900−68.8%Reduced
Thornburg Investment Management Inc38,511$5.02M0.07%+8,408+27.9%Added
Jane Street Group, LLC38,844$5.06M0.01%−38,076−49.5%Reduced
Twinbeech Capital LP39,652$5.17M0.10%+39,652New
Man Group plc40,473$5.27M0.01%+40,473New
State of Wisconsin Investment Board40,765$5.31M0.01%−1,979−4.6%Reduced
Thrivent Financial for Lutherans43,152$5.62M0.01%+1,339+3.2%Added
EAM Investors, LLC43,271$5.64M0.84%+15,069+53.4%Added
Pura Vida Investments, LLC44,000$5.73M9.42%−43,000−49.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.46,913$6.11M0.03%−42,798−47.7%Reduced
California State Teachers Retirement System47,540$6.19M0.01%−1,354−2.8%Reduced
Blair William & Co48,073$6.26M0.02%−1,021−2.1%Reduced
New York State Teachers Retirement System48,143$6.27M0.01%+200+0.4%Added
Point72 (DIFC) Ltd53,211$6.93M0.54%+53,211New
Voya Investment Management LLC54,808$7.14M0.01%−7,802−12.5%Reduced
Envestnet Asset Management Inc56,195$7.32M0.00%−11,741−17.3%Reduced
Neuberger Berman Group LLC58,207$7.58M0.01%+11,130+23.6%Added
Prudential Financial Inc58,703$7.65M0.01%+4,915+9.1%Added
Ensign Peak Advisors, Inc59,574$7.76M0.01%+42,353+245.9%Added
Peregrine Capital Management LLC60,009$7.82M0.24%−16,656−21.7%Reduced
Alliancebernstein L.P.61,118$7.96M0.00%−541−0.9%Reduced
Cinctive Capital Management LP61,983$8.08M0.46%+9,683+18.5%Added
Allianz Asset Management GmbH62,686$8.17M0.01%+405+0.7%Added
Bellevue Group AG62,983$8.21M0.13%+7,057+12.6%Added
Eventide Asset Management, LLC63,542$8.28M0.14%00.0%Unchanged
Great West Life Assurance Co64,328$8.38M0.01%+3,104+5.1%Added
Citigroup Inc66,852$8.71M0.01%+31,344+88.3%Added
Castleark Management LLC73,830$9.62M0.39%−640−0.9%Reduced
Baird Financial Group, Inc.75,535$9.84M0.02%−1,774−2.3%Reduced
Assenagon Asset Management S.A.75,798$9.87M0.02%+18,067+31.3%Added
Altium Capital Management LP77,000$10.0M2.99%+77,000New
Victory Capital Management Inc79,211$10.3M0.01%+64,031+421.8%Added
First Trust Advisors LP80,849$10.5M0.01%+13,003+19.2%Added
Eagle Asset Management Inc78,455$11.1M0.06%−10,978−12.3%Reduced
California Public Employees Retirement System86,241$11.2M0.01%+12,160+16.4%Added
Barclays PLC89,699$11.7M0.01%+71,556+394.4%Added
First Turn Management, LLC96,097$12.5M1.98%+96,097New
WCM Investment Management, LLC99,155$12.7M0.03%+31,084+45.7%Added
Swiss National Bank98,400$12.8M0.01%−300−0.3%Reduced
Nomura Holdings Inc104,625$13.6M0.10%−28,741−21.6%Reduced
Segall Bryant & Hamill, LLC105,956$13.8M0.19%−4,327−3.9%Reduced
SEI Investments Co106,323$13.9M0.02%−2,223−2.0%Reduced
Rhenman & Partners Asset Management AB111,000$14.5M1.17%+61,000+122.0%Added
Great Lakes Advisors, LLC114,560$14.9M0.12%−3,096−2.6%Reduced
Public Sector Pension Investment Board116,605$15.2M0.08%+5,700+5.1%Added
Amundi120,617$15.6M0.01%−55,633−31.6%Reduced
Marshall Wace, LLP128,803$16.8M0.02%+128,803New
Royal Bank of Canada131,151$17.1M0.00%−20,363−13.4%Reduced
UBS Asset Management Americas Inc134,437$17.5M0.00%−2,582−1.9%Reduced
Rhumbline Advisers141,387$18.4M0.02%+296+0.2%Added
Keybank National Association142,400$18.6M0.07%+700.0%Added
C WorldWide Group Holding A/S162,212$21.1M0.22%−15,000−8.5%Reduced
Adage Capital Partners GP, L.L.C.173,398$22.6M0.04%−26,602−13.3%Reduced
Legal & General Group Plc181,238$23.6M0.01%+15,479+9.3%Added
Iron Triangle Partners LP217,674$28.4M3.99%−290,482−57.2%Reduced
Polar Asset Management Partners Inc.217,900$28.4M0.68%+42,500+24.2%Added
Atika Capital Management LLC241,000$31.4M3.36%+1,000+0.4%Added
Millennium Management LLC242,226$31.6M0.03%−1,035,705−81.0%Reduced
Dimensional Fund Advisors LP285,774$37.2M0.01%−215,737−43.0%Reduced
Principal Financial Group Inc288,505$37.6M0.02%−9,441−3.2%Reduced
Bank of America Corp300,273$39.1M0.00%−19,197−6.0%Reduced
Goldman Sachs Group Inc310,108$40.4M0.01%+91,391+41.8%Added
Braidwell LP311,616$40.6M1.15%−184,960−37.2%Reduced
Nuveen Asset Management, LLC312,298$40.7M0.01%+8,123+2.7%Added
Avidity Partners Management LP344,900$44.9M2.29%+120,900+54.0%Added
JPMorgan Chase & Co359,317$46.8M0.00%+125,035+53.4%Added
Citadel Advisors LLC359,447$46.8M0.05%−169,286−32.0%Reduced
Point72 Asset Management, L.P.383,396$49.9M0.17%−186,605−32.7%Reduced
Bank of New York Mellon Corp385,466$50.2M0.01%−28,214−6.8%Reduced
RTW Investments, LP386,291$50.3M0.73%00.0%Unchanged
Allspring Global Investments Holdings, LLC390,619$50.9M0.08%−21,757−5.3%Reduced
New York State Common Retirement Fund393,110$51.2M0.07%−109,908−21.8%Reduced
Riverbridge Partners LLC476,682$62.1M0.83%−16,393−3.3%Reduced
Norges Bank532,128$69.3M0.01%−5,839−1.1%Reduced
Northern Trust Corp538,621$70.2M0.01%+17,715+3.4%Added
Capital World Investors550,322$71.7M0.01%00.0%Unchanged
Summit Partners Public Asset Management, LLC617,440$80.4M3.62%+206,533+50.3%Added
Charles Schwab Investment Management Inc641,761$83.6M0.02%+207,338+47.7%Added
Gilder Gagnon Howe & Co LLC658,599$85.8M1.03%+24,661+3.9%Added
Morgan Stanley662,501$86.3M0.01%+46,818+7.6%Added
Loomis Sayles & Co L P673,751$87.8M0.12%+119,527+21.6%Added