GLAUKOS Corp (GKOS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

57,398,000Shares Outstanding
63,183,131Shares held by institutions
$6,536,294,902Value of institutional holdings
110.08%Institutional ownership %
24.96%Shares Changed QoQ
332No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

GLAUKOS Corp (NYSE:GKOS) has 321 institutional investors with active 13F positions as of December 2025.

617 Institutional Holders

63,183,131 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
Janus Henderson Group Plc 31 Mar, 2026 10,696,790 7,678,003 254.34% $1,151,688,948.00
BlackRock, Inc. 31 Mar, 2026 9,164,538 508,743 5.88% $1,034,767,984.00
BlackRock, Inc. 31 Mar, 2026 9,089,868 -74,670 -0.81% $978,615,188.00
VANGUARD GROUP INC 31 Mar, 2026 6,020,492 -26,028 -0.43% $679,773,752.00
PRIMECAP MANAGEMENT CO/CA/ 31 Mar, 2026 3,376,928 1,123,140 49.83% $381,288,942.00
PRIMECAP MANAGEMENT CO/CA/ 31 Mar, 2026 3,370,628 -6,300 -0.19% $362,881,812.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 3,208,363 3,208,363 0.00% $345,412,361.00
Janus Henderson Group Plc 31 Mar, 2026 3,018,787 1,953,578 183.40% $340,854,975.00
Goldman Sachs Group Inc 31 Mar, 2026 2,700,850 2,263,883 518.09% $304,952,974.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 2,508,771 2,508,771 0.00% $270,094,286.00
State Street Corp 31 Mar, 2026 2,182,617 60,215 2.84% $234,980,546.00
State Street Corp 31 Mar, 2026 2,122,402 18,040 0.86% $239,640,410.00
Ameriprise Financial Inc 31 Mar, 2026 2,104,294 204,010 10.74% $237,595,989.00
ALLIANCEBERNSTEIN L.P. 31 Mar, 2026 1,643,448 -90,026 -5.19% $185,561,714.00
Ameriprise Financial Inc 31 Mar, 2026 1,610,774 -493,520 -23.45% $173,416,177.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 1,609,699 696,289 76.23% $181,751,114.00
CITADEL ADVISORS LLC 31 Mar, 2026 1,446,926 1,419,970 5,267.73% $155,776,053.00
ALLIANCEBERNSTEIN L.P. 31 Mar, 2026 1,397,556 -245,892 -14.96% $157,798,048.00
Holocene Advisors, LP 31 Mar, 2026 1,383,715 84,421 6.50% $148,970,757.00
Goldman Sachs Group Inc 31 Mar, 2026 1,374,958 -1,325,892 -49.09% $148,027,978.00