GLAUKOS Corp - Common Stock (GKOS) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2015 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
GKOS on NYSE
Shares outstanding
56,919,368
Price per share
$112.91
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
55,919,624
Total reported value
$4,561,575,562
% of total 13F portfolios
0%
Share change
-5,144,172
Value change
-$458,481,429
Number of holders
311
Price from insider filings
$112.91
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of GLAUKOS Corp - Common Stock (GKOS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14% $731,657,250 8,160,353 BlackRock, Inc. 31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP 5.7% $281,808,931 3,244,404 Wellington Management Group LLP 30 Jun 2025
FMR LLC 4.5% -59% $222,485,675 -$305,497,738 2,561,428 -58% FMR LLC 31 Jul 2025
Burns Thomas William 4.4% $228,964,294 2,553,695 Thomas W. Burns 31 Dec 2024

As of 30 Sep 2025, 311 institutional investors reported holding 55,919,624 shares of GLAUKOS Corp - Common Stock (GKOS). This represents 98% of the company’s total 56,919,368 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of GLAUKOS Corp - Common Stock (GKOS) together control 71% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 8,655,795 -0.79% 0.01% $705,880,082
VANGUARD GROUP INC 11% 6,046,520 -1.1% 0.01% $493,093,705
WELLINGTON MANAGEMENT GROUP LLP 6.3% 3,580,670 +10% 0.05% $292,003,638
PRIMECAP MANAGEMENT CO/CA/ 4% 2,253,788 +23% 0.14% $183,796,416
STATE STREET CORP 3.7% 2,104,362 +0.67% 0.01% $171,610,721
AMERIPRISE FINANCIAL INC 3.3% 1,900,284 -5% 0.04% $154,968,243
ALLIANCEBERNSTEIN L.P. 3% 1,733,474 +38% 0.04% $141,364,805
GEODE CAPITAL MANAGEMENT, LLC 2.3% 1,316,087 -1.1% 0.01% $107,343,190
WESTFIELD CAPITAL MANAGEMENT CO LP 2.2% 1,231,641 +5.5% 0.42% $100,440,324
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.9% 1,093,744 -3.7% 0.23% $89,194,823
JANUS HENDERSON GROUP PLC 1.9% 1,065,209 -2% 0.04% $86,867,046
MILLENNIUM MANAGEMENT LLC 1.6% 913,410 0.06% $74,488,586
Capital World Investors 1.5% 850,893 0% 0.01% $69,390,324
BRAIDWELL LP 1.4% 780,164 +29% 1.9% $63,622,374
BROWN CAPITAL MANAGEMENT LLC 1.3% 762,760 -33% 2.6% $62,203,078
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 702,380 +0.27% 0.01% $57,279,089
Point72 Asset Management, L.P. 1.2% 690,723 -4% 0.12% $56,328,429
JPMORGAN CHASE & CO 1.2% 670,083 +4.3% 0% $54,645,268
NORTHERN TRUST CORP 1.1% 627,660 -1.2% 0.01% $51,185,673
Invesco Ltd. 1.1% 607,442 -39% 0.01% $49,536,895
MACQUARIE GROUP LTD 1.1% 600,228 +713% 0.06% $48,949,000
RIVERBRIDGE PARTNERS LLC 1% 569,644 +41% 0.78% $46,454,445
Holocene Advisors, LP 0.96% 547,052 -48% 0.1% $44,612,091
Capital International Investors 0.9% 511,510 +107% 0.01% $41,713,641
BANK OF AMERICA CORP /DE/ 0.83% 474,930 +66% 0% $38,730,542

Institutional Holders of GLAUKOS Corp - Common Stock (GKOS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 797,258 $90,018,634 +$4,531,969 $112.91 11
2025 Q3 55,919,624 $4,561,575,562 -$458,481,429 $81.55 311
2025 Q2 61,056,629 $6,306,184,856 +$430,126,533 $103.29 297
2025 Q1 56,920,610 $5,602,540,899 -$131,202,296 $98.42 312
2024 Q4 57,135,995 $8,567,835,850 +$415,890,548 $149.94 320
2024 Q3 54,356,044 $7,081,935,263 -$9,117,297 $130.28 312
2024 Q2 54,047,373 $6,396,375,266 +$345,053,450 $118.35 282
2024 Q1 51,279,299 $4,835,304,228 +$85,827,180 $94.29 255
2023 Q4 187,152 $14,876,713 +$307,229 $79.49 3
2023 Q3 49,027,301 $3,689,229,097 +$93,877,592 $75.25 227
2023 Q2 48,128,091 $3,427,115,976 +$69,719,891 $71.21 214
2023 Q1 47,342,174 $2,371,741,394 +$44,473,822 $50.10 199
2022 Q4 46,516,951 $2,031,971,924 +$15,417,533 $43.68 208
2022 Q3 44,381,433 $2,363,223,109 +$20,932,649 $53.24 216
2022 Q2 44,136,996 $2,005,599,153 +$48,799,792 $45.42 189
2022 Q1 43,205,070 $2,498,678,078 -$11,063,800 $57.82 203
2021 Q4 43,542,631 $1,935,671,895 -$31,172,615 $44.44 203
2021 Q3 44,150,864 $2,126,746,282 -$266,984,717 $48.17 199
2021 Q2 48,312,499 $4,098,207,667 +$33,583,598 $84.83 213
2021 Q1 49,181,723 $4,128,344,360 +$57,584,375 $83.93 213
2020 Q4 48,532,001 $3,653,121,634 -$82,743,990 $75.26 199
2020 Q3 50,194,870 $2,486,703,644 +$149,587,118 $49.52 170
2020 Q2 47,115,852 $1,810,224,243 +$92,008,023 $38.42 172
2020 Q1 44,875,251 $1,384,966,400 -$64,921,774 $30.86 154
2019 Q4 44,148,894 $2,404,750,548 +$233,030,830 $54.47 151
2019 Q3 39,731,017 $2,483,556,270 +$240,288,861 $62.51 140
2019 Q2 35,723,897 $2,693,597,160 +$78,896,108 $75.40 170
2019 Q1 35,205,663 $2,759,065,240 -$141,237,100 $78.37 167
2018 Q4 37,011,237 $2,078,917,124 +$99,908,958 $56.17 141
2018 Q3 35,091,526 $2,276,898,040 -$88,895,433 $64.90 153
2018 Q2 36,686,197 $1,490,917,967 -$14,773,084 $40.64 126
2018 Q1 37,464,559 $1,155,025,859 +$93,734,791 $30.83 128
2017 Q4 34,269,539 $879,027,599 -$19,992,330 $25.65 129
2017 Q3 33,562,800 $1,107,588,830 -$16,901,261 $33.00 119
2017 Q2 34,573,478 $1,433,660,199 +$237,870,168 $41.47 146
2017 Q1 30,393,159 $1,558,960,167 +$130,080,153 $51.30 151
2016 Q4 29,540,619 $1,013,285,895 +$90,524,055 $34.30 134
2016 Q3 25,895,088 $977,295,404 +$88,062,736 $37.74 138
2016 Q2 23,748,648 $692,112,607 +$98,188,790 $29.16 110
2016 Q1 20,477,633 $345,241,353 +$8,886,682 $16.86 72
2015 Q4 19,585,077 $483,703,916 +$3,351,496 $24.69 60
2015 Q3 16,738,468 $404,902,027 +$106,380,791 $24.19 63
2015 Q2 12,226,918 $354,335,000 +$354,335,085 $28.98 49