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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 10 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.46B in total; no superinvestor holds it.

13F holders, Q4 2021

Institutional positions in GLAUKOS Corp as of Dec 31, 2021. 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
208
+6 vs. Q3 2021
Shares held
44.3M
+338.0K (+0.8%) vs. Q3 2021
Total value
$1.97B
−$148.5M (−7.0%) vs. Q3 2021
New holders
38
77 more added
Sold out
32
67 more reduced

4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 208 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 heldQ4 2021: $1.97B
Q1 2021: $4.13BQ2 2021: $4.10BQ3 2021: $2.13BQ4 2021: $1.97BQ1 2022: $2.50BQ2 2022: $2.05BQ3 2022: $2.45BQ4 2022: $2.07BQ1 2023: $2.39BQ2 2023: $3.51BQ3 2023: $3.80BQ4 2023: $4.15BQ1 2024: $5.15BQ2 2024: $6.58BQ3 2024: $7.20BQ4 2024: $8.57BQ1 2025: $5.73BQ2 2025: $6.32BQ3 2025: $4.62BQ4 2025: $6.45BQ1 2026: $6.25BQ2 2026: $8.46B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026367$8.46B
Q1 2026336$6.25B
Q4 2025332$6.45B
Q3 2025315$4.62B
Q2 2025298$6.32B
Q1 2025317$5.73B
Q4 2024322$8.57B
Q3 2024315$7.20B
Q2 2024282$6.58B
Q1 2024254$5.15B
Q4 2023246$4.15B
Q3 2023233$3.80B
Q2 2023220$3.51B
Q1 2023203$2.39B
Q4 2022215$2.07B
Q3 2022222$2.45B
Q2 2022199$2.05B
Q1 2022211$2.50B
Q4 2021208$1.97B
Q3 2021206$2.13B
Q2 2021219$4.10B
Q1 2021217$4.13B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2021.

Institutions holding GKOS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.7,423,702$329.9M0.01%+306,284+4.3%Added
Vanguard Group Inc5,116,595$227.4M0.01%+195,364+4.0%Added
Wellington Management Group LLP4,923,297$218.8M0.03%+1,126,120+29.7%Added
Brown Capital Management LLC3,021,796$134.3M1.11%−194,062−6.0%Reduced
Artisan Partners Limited Partnership1,983,513$88.1M0.11%+372,024+23.1%Added
State Street Corp1,693,002$75.2M0.00%+56,547+3.5%Added
Janus Henderson Group PLC1,580,026$70.2M0.03%+17,707+1.1%Added
Barclays PLC1,492,842$66.3M0.02%+1,357,153+1,000.2%Added
Deerfield Management Company, L.P. (Series C)1,161,414$51.6M1.09%+542,414+87.6%Added
Fred Alger Management, LLC965,703$42.9M0.11%+348,954+56.6%Added
Geode Capital Management, LLC758,321$33.7M0.00%+10,404+1.4%Added
Capital World Investors750,322$33.3M0.01%00.0%Unchanged
Point72 Asset Management, L.P.670,100$29.8M0.13%+670,100New
Northern Trust Corp563,764$25.1M0.00%−4,879−0.9%Reduced
Riverbridge Partners LLC554,555$24.6M0.24%+8,124+1.5%Added
Primecap Management Co532,900$23.7M0.02%+32,700+6.5%Added
Morgan Stanley503,393$22.4M0.00%−25,256−4.8%Reduced
Bank of New York Mellon Corp478,385$21.3M0.00%+12,793+2.7%Added
Norges Bank442,791$19.7M0.00%−29,245−6.2%Reduced
Marshall Wace, LLP425,535$18.9M0.04%−247,228−36.7%Reduced
Bank of America Corp379,526$16.9M0.00%+27,302+7.8%Added
New York State Common Retirement Fund353,564$15.7M0.02%−51,501−12.7%Reduced
Interwest Venture Management Co350,264$15.6M9.20%00.0%Unchanged
Charles Schwab Investment Management Inc331,801$14.7M0.00%+10,690+3.3%Added
Principal Financial Group Inc325,326$14.5M0.01%+325,326New
Ameriprise Financial Inc304,987$13.6M0.00%−271,886−47.1%Reduced
Nomura Holdings Inc288,163$12.9M0.07%+10,688+3.9%Added
Polar Asset Management Partners Inc.255,100$11.3M0.14%+122,200+91.9%Added
Assenagon Asset Management S.A.254,843$11.3M0.04%+254,843New
D. E. Shaw & Co., Inc.250,058$11.1M0.01%+159,353+175.7%Added
Goldman Sachs Group Inc223,355$9.93M0.00%+84,586+61.0%Added
Invesco Ltd.221,961$9.86M0.00%−11,883−5.1%Reduced
Wells Fargo & Company212,980$9.46M0.00%+2,527+1.2%Added
Legal & General Group Plc202,275$8.99M0.00%+17,631+9.5%Added
C WorldWide Group Holding A/S197,212$8.76M0.08%00.0%Unchanged
Rhenman & Partners Asset Management AB175,000$8.02M0.53%+25,000+16.7%Added
Royal Bank of Canada178,701$7.94M0.00%−32,082−15.2%Reduced
Voloridge Investment Management, LLC173,484$7.71M0.04%−36,219−17.3%Reduced
State of Wisconsin Investment Board171,100$7.60M0.01%00.0%Unchanged
Renaissance Technologies LLC162,492$7.22M0.01%−224,500−58.0%Reduced
Nuveen Asset Management, LLC156,038$6.93M0.00%−31,416−16.8%Reduced
Silvercrest Asset Management Group LLC142,219$6.32M0.04%+34,338+31.8%Added
Cinctive Capital Management LP126,463$5.62M0.26%+50,463+66.4%Added
Two Sigma Investments, LP117,106$5.20M0.01%−10,569−8.3%Reduced
Dimensional Fund Advisors LP116,301$5.17M0.00%−2,982−2.5%Reduced
JPMorgan Chase & Co114,074$5.07M0.00%−10,327−8.3%Reduced
Susquehanna International Group, LLP112,664$5.01M0.00%+47,688+73.4%Added
Rhumbline Advisers111,068$4.94M0.01%+559+0.5%Added
Taylor Frigon Capital Management LLC108,681$4.83M1.51%+203+0.2%Added
Parametric Portfolio Associates LLC103,845$4.62M0.00%+16,814+19.3%Added
Swiss National Bank102,200$4.54M0.00%00.0%Unchanged
Man Group plc99,785$4.43M0.01%−2,607−2.5%Reduced
Public Sector Pension Investment Board95,500$4.24M0.02%+930+1.0%Added
California Public Employees Retirement System88,002$3.91M0.00%−4,158−4.5%Reduced
Exchange Traded Concepts, LLC82,912$3.69M0.07%+10,491+14.5%Added
Altium Capital Management LP81,000$3.60M1.01%+81,000New
Moore Capital Management, LP80,417$3.57M0.09%+80,417New
Granite Investment Partners, LLC78,499$3.49M0.10%+14,319+22.3%Added
Camber Capital Management LP75,000$3.33M0.13%+75,000New
Alliancebernstein L.P.67,355$2.99M0.00%−650−1.0%Reduced
Citadel Advisors LLC66,367$2.95M0.00%−227,022−77.4%Reduced
Bridgewater Associates, LP64,877$2.88M0.02%+20,753+47.0%Added
California State Teachers Retirement System64,135$2.85M0.00%+1,967+3.2%Added
State of New Jersey Common Pension Fund D58,379$2.59M0.01%+2,869+5.2%Added
Holocene Advisors, LP56,400$2.51M0.01%+15,141+36.7%Added
Connor, Clark & Lunn Investment Management Ltd.56,046$2.49M0.01%−27,894−33.2%Reduced
Twinbeech Capital LP53,994$2.40M0.14%+53,994New
Prudential Financial Inc49,623$2.21M0.00%−765−1.5%Reduced
UBS Asset Management Americas Inc48,992$2.18M0.00%+326+0.7%Added
Cubist Systematic Strategies, LLC47,763$2.12M0.02%−19,670−29.2%Reduced
New York State Teachers Retirement System46,643$2.07M0.00%+300+0.6%Added
Credit Suisse AG45,891$2.04M0.00%−478−1.0%Reduced
Comerica Bank39,414$1.99M0.01%−2,782−6.6%Reduced
Engineers Gate Manager LP43,934$1.95M0.09%+28,043+176.5%Added
Yousif Capital Management, LLC41,997$1.87M0.02%+41,997New
Great West Life Assurance Co40,260$1.79M0.00%+719+1.8%Added
Envestnet Asset Management Inc39,888$1.77M0.00%+3,111+8.5%Added
Thrivent Financial for Lutherans38,160$1.70M0.00%+524+1.4%Added
PDT Partners, LLC36,451$1.62M0.12%−38,158−51.1%Reduced
Citigroup Inc35,943$1.60M0.00%+10,122+39.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys35,440$1.57M0.02%+137+0.4%Added
Deutsche Bank AG34,914$1.55M0.00%−109,176−75.8%Reduced
Texas Permanent School Fund33,806$1.50M0.02%−637−1.8%Reduced
Duality Advisers, LP33,220$1.48M0.16%−28,678−46.3%Reduced
State of Alaska, Department of Revenue33,144$1.47M0.01%−820−2.4%Reduced
Teachers Retirement System of the State of Kentucky32,452$1.44M0.01%−51,947−61.5%Reduced
AlphaCrest Capital Management LLC30,901$1.37M0.05%+17,468+130.0%Added
American International Group, Inc.27,791$1.24M0.01%−545−1.9%Reduced
SEI Investments Co27,583$1.23M0.00%+5,483+24.8%Added
State of Tennessee, Treasury Department27,536$1.22M0.00%+1,580+6.1%Added
Baird Financial Group, Inc.26,258$1.17M0.00%+335+1.3%Added
Natixis26,000$1.16M0.00%−185,400−87.7%Reduced
AQR Capital Management LLC24,802$1.10M0.00%+8,110+48.6%Added
Amalgamated Bank23,997$1.07M0.01%−87−0.4%Reduced
Blair William & Co23,947$1.06M0.00%−14,320−37.4%Reduced
Squarepoint Ops LLC23,556$1.05M0.01%−43,405−64.8%Reduced
Raymond James & Associates23,227$1.03M0.00%−2,220−8.7%Reduced
Manufacturers Life Insurance Company, The22,969$1.02M0.00%−117−0.5%Reduced
Price T Rowe Associates Inc22,925$1.02M0.00%−687−2.9%Reduced
Jefferies Group LLC22,749$1.01M0.02%+22,749New