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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 7 sales; 368 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.

13F holders, Q3 2023

Institutional positions in GLAUKOS Corp as of Sep 30, 2023. 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
233
+14 vs. Q2 2023
Shares held
49.8M
+1.32M (+2.7%) vs. Q2 2023
Total value
$3.75B
+$296.0M (+8.6%) vs. Q2 2023
New holders
30
84 more added
Sold out
16
81 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 233 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: 323 institutionsQ1 2025: 318 institutionsQ2 2025: 299 institutionsQ3 2025: 317 institutionsQ4 2025: 334 institutionsQ1 2026: 338 institutionsQ2 2026: 368 institutions
Value heldQ3 2023: $3.75B
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: $4.62BQ4 2025: $6.44BQ1 2026: $6.25BQ2 2026: $8.44B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026368$8.44B
Q1 2026338$6.25B
Q4 2025334$6.44B
Q3 2025317$4.62B
Q2 2025299$6.30B
Q1 2025318$5.67B
Q4 2024323$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 2023

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2023.

Institutions holding GKOS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.7,899,861$594.5M0.02%−1,5160.0%Reduced
Vanguard Group Inc5,240,017$394.3M0.01%−19,090−0.4%Reduced
FMR LLC3,482,377$262.0M0.02%+3,479,548+122,995.7%Added
Brown Capital Management LLC2,608,374$196.3M3.01%−28,720−1.1%Reduced
Wellington Management Group LLP2,056,421$154.7M0.03%−1,897,351−48.0%Reduced
Fred Alger Management, LLC1,780,690$134.0M0.77%+150,102+9.2%Added
State Street Corp1,765,807$132.9M0.01%−16,540−0.9%Reduced
Janus Henderson Group PLC1,615,177$121.5M0.08%−3,824−0.2%Reduced
Invesco Ltd.1,450,033$109.1M0.03%+453,756+45.5%Added
Artisan Partners Limited Partnership1,344,581$101.2M0.17%−513,711−27.6%Reduced
Millennium Management LLC1,092,028$82.2M0.09%−362,377−24.9%Reduced
Geode Capital Management, LLC951,247$71.6M0.01%+37,198+4.1%Added
Dimensional Fund Advisors LP892,313$67.1M0.02%+53,130+6.3%Added
Ameriprise Financial Inc856,161$64.4M0.02%+268,280+45.6%Added
Lord, Abbett & Co. LLC741,947$55.8M0.21%−12,808−1.7%Reduced
Morgan Stanley730,270$55.0M0.01%+161,775+28.5%Added
Braidwell LP695,792$52.4M1.65%−348,600−33.4%Reduced
American Century Companies Inc676,847$50.9M0.04%−7,319−1.1%Reduced
Primecap Management Co638,620$48.1M0.04%+20,120+3.3%Added
Riverbridge Partners LLC558,487$42.0M0.57%−9,877−1.7%Reduced
Northern Trust Corp552,317$41.6M0.01%+2,490+0.5%Added
Capital World Investors550,322$41.4M0.01%00.0%Unchanged
Point72 Asset Management, L.P.533,339$40.1M0.14%−136,509−20.4%Reduced
New York State Common Retirement Fund511,162$38.5M0.06%+6,249+1.2%Added
Driehaus Capital Management LLC489,565$36.8M0.48%+1,283+0.3%Added
Adage Capital Partners GP, L.L.C.450,000$33.9M0.08%−200,000−30.8%Reduced
Iron Triangle Partners LP430,000$32.4M4.73%+120,000+38.7%Added
Bank of New York Mellon Corp427,176$32.1M0.01%−8,581−2.0%Reduced
Principal Financial Group Inc398,572$30.0M0.02%+51,851+15.0%Added
Bank of America Corp390,686$29.4M0.00%−16,850−4.1%Reduced
Charles Schwab Investment Management Inc386,790$29.1M0.01%+20,415+5.6%Added
Citadel Advisors LLC365,640$27.5M0.03%−68,821−15.8%Reduced
Nuveen Asset Management, LLC360,778$27.1M0.01%+2,426+0.7%Added
Norges Bank344,441$25.9M0.01%+35,792+11.6%Added
Pura Vida Investments, LLC316,661$23.8M11.71%+23,812+8.1%Added
Polar Asset Management Partners Inc.286,108$21.5M0.52%+84,800+42.1%Added
Royal Bank of Canada235,227$17.7M0.01%+5,409+2.4%Added
Nomura Holdings Inc224,888$16.9M0.18%−9,228−3.9%Reduced
Atika Capital Management LLC215,200$16.2M2.31%+32,200+17.6%Added
C WorldWide Group Holding A/S197,212$14.8M0.20%00.0%Unchanged
Money Concepts Capital Corp160,094$12.0M1.26%+11,706+7.9%Added
Keybank National Association142,288$10.7M0.05%00.0%Unchanged
Rhumbline Advisers141,327$10.6M0.01%+907+0.6%Added
Legal & General Group Plc135,554$10.2M0.00%+130.0%Added
Voya Investment Management LLC129,778$9.77M0.01%−44,848−25.7%Reduced
Voloridge Investment Management, LLC124,830$9.39M0.05%+124,830New
Peregrine Capital Management LLC116,781$8.79M0.26%−20,319−14.8%Reduced
Macquarie Group Ltd114,212$8.59M0.01%+40,532+55.0%Added
Goldman Sachs Group Inc108,003$8.13M0.00%−16,032−12.9%Reduced
JPMorgan Chase & Co104,171$7.84M0.00%−1,128−1.1%Reduced
Envestnet Asset Management Inc101,602$7.65M0.00%+22,652+28.7%Added
Swiss National Bank100,600$7.57M0.01%+1,600+1.6%Added
Boothbay Fund Management, LLC98,283$7.40M0.26%+19,405+24.6%Added
Lisanti Capital Growth, LLC84,605$6.37M1.01%+84,605New
Balyasny Asset Management LLC83,209$6.26M0.02%−74,920−47.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.75,781$5.70M0.03%−34,157−31.1%Reduced
Credit Suisse AG75,725$5.70M0.01%−2,207−2.8%Reduced
Rhenman & Partners Asset Management AB73,000$5.49M0.59%−22,000−23.2%Reduced
Castleark Management LLC72,320$5.44M0.28%+72,320New
SEI Investments Co70,742$5.32M0.01%+10,811+18.0%Added
California Public Employees Retirement System69,697$5.24M0.00%00.0%Unchanged
Gilder Gagnon Howe & Co LLC69,688$5.24M0.08%−566−0.8%Reduced
Sectoral Asset Management Inc69,000$5.19M1.01%00.0%Unchanged
SG Americas Securities, LLC65,582$4.93M0.07%+11,057+20.3%Added
Natixis62,469$4.70M0.04%+62,469New
Public Sector Pension Investment Board60,131$4.52M0.03%−25,441−29.7%Reduced
Alliancebernstein L.P.60,089$4.52M0.00%−1,280−2.1%Reduced
Prudential Financial Inc58,543$4.41M0.01%−770−1.3%Reduced
First Trust Advisors LP58,040$4.37M0.01%+51,445+780.1%Added
UBS Asset Management Americas Inc57,057$4.29M0.00%+6,013+11.8%Added
Blair William & Co56,612$4.26M0.02%+42,946+314.3%Added
Tri Locum Partners LP56,230$4.23M1.36%+56,230New
Allianz Asset Management GmbH54,943$4.13M0.01%−9,997−15.4%Reduced
Great West Life Assurance Co53,342$4.01M0.01%+574+1.1%Added
D. E. Shaw & Co., Inc.53,101$4.00M0.01%−68,324−56.3%Reduced
Silvercrest Asset Management Group LLC52,391$3.94M0.03%−61,786−54.1%Reduced
Taylor Frigon Capital Management LLC51,567$3.88M2.16%−1,253−2.4%Reduced
Granite Investment Partners, LLC51,551$3.88M0.16%−94−0.2%Reduced
California State Teachers Retirement System50,844$3.83M0.01%−4,774−8.6%Reduced
EAM Global Investors LLC48,890$3.68M0.99%+48,890New
New York State Teachers Retirement System48,343$3.64M0.01%−700−1.4%Reduced
Truist Financial Corp46,518$3.50M0.01%−265−0.6%Reduced
Barclays PLC46,039$3.46M0.00%+11,973+35.1%Added
Neuberger Berman Group LLC45,749$3.44M0.00%+332+0.7%Added
Schroder Investment Management Group44,840$3.37M0.01%+220.0%Added
Thrivent Financial for Lutherans44,505$3.35M0.01%−1,613−3.5%Reduced
Renaissance Technologies LLC43,492$3.27M0.01%+3,700+9.3%Added
Texas Permanent School Fund41,317$3.11M0.03%−1,130−2.7%Reduced
Caption Management, LLC37,991$2.86M0.37%+37,991New
Advisor Group Holdings, Inc.34,057$2.56M0.00%+17,713+108.4%Added
Natixis Advisors, L.P.33,979$2.56M0.01%+1,298+4.0%Added
State of New Jersey Common Pension Fund D32,999$2.48M0.01%−9,018−21.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys32,525$2.45M0.02%−21,969−40.3%Reduced
LMR Partners LLP31,350$2.36M0.05%+31,350New
State of Alaska, Department of Revenue30,290$2.28M0.03%−1,435−4.5%Reduced
BNP Paribas Arbitrage, SA29,631$2.23M0.00%+16,872+132.2%Added
EFG Asset Management (North America) Corp.28,648$2.15M0.51%−2,736−8.7%Reduced
Teachers Retirement System of the State of Kentucky28,338$2.13M0.02%00.0%Unchanged
Baird Financial Group, Inc.27,782$2.09M0.01%+110.0%Added
Illinois Municipal Retirement Fund27,170$2.04M0.04%+27,170New