GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
58,134,728
Total 13F shares
55,921,410
Share change
-5,124,431
Total reported value
$4,561,721,472
Put/Call ratio
263%
Price per share
$81.55
Number of holders
313
Value change
-$456,444,413
Number of buys
162
Number of sells
158

Quarterly Holders Quick Answers

What is CUSIP 377322102?
CUSIP 377322102 identifies GKOS - GLAUKOS Corp - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of GKOS - GLAUKOS Corp - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
BlackRock, Inc.
13F 13D/G
Company
14%
from 13D/G
8,724,474
$901,150,918 30 Jun 2025
FMR LLC
13F 13D/G
Company
4.5%
from 13D/G
6,336,619
$654,509,336 30 Jun 2025
VANGUARD GROUP INC
13F
Company
11%
6,112,219
$631,331,100 30 Jun 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
5.6%
3,244,404
$335,114,488 30 Jun 2025
13F
Thomas W. Burns
13D/G
4.4%
2,553,695
$239,613,202 $0 31 Dec 2024
STATE STREET CORP
13F
Company
3.6%
2,090,365
$215,913,801 30 Jun 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
3.4%
1,999,252
$206,502,801 30 Jun 2025
13F
PRIMECAP MANAGEMENT CO/CA/
13F
Company
3.1%
1,827,998
$188,813,915 30 Jun 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.3%
1,330,593
$137,454,223 30 Jun 2025
13F
ALLIANCEBERNSTEIN L.P.
13F
Company
2.2%
1,251,854
$129,304,000 30 Jun 2025
13F
WESTFIELD CAPITAL MANAGEMENT CO LP
13F
Company
2%
1,167,853
$120,627,536 30 Jun 2025
13F
BROWN CAPITAL MANAGEMENT LLC
13F
Company
2%
1,139,119
$117,659,602 30 Jun 2025
13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
Company
2%
1,136,095
$117,347,253 30 Jun 2025
13F
JANUS HENDERSON GROUP PLC
13F
Company
1.9%
1,087,194
$112,297,142 30 Jun 2025
13F
Holocene Advisors, LP
13F
Company
1.8%
1,045,886
$108,029,565 30 Jun 2025
13F
Invesco Ltd.
13F
Company
1.7%
997,092
$102,989,632 30 Jun 2025
13F
Capital World Investors
13F
Company
1.5%
850,893
$87,888,738 30 Jun 2025
13F
NORGES BANK
13F
Company
1.3%
738,828
$76,313,544 30 Jun 2025
13F
Point72 Asset Management, L.P.
13F
Company
1.2%
719,262
$74,292,572 30 Jun 2025
13F
GILDER GAGNON HOWE & CO LLC
13F
Company
1.2%
700,634
$72,368,519 30 Jun 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
1.2%
700,458
$72,350,307 30 Jun 2025
13F
JPMORGAN CHASE & CO
13F
Company
1.1%
642,437
$66,357,323 30 Jun 2025
13F
NORTHERN TRUST CORP
13F
Company
1.1%
635,012
$65,590,390 30 Jun 2025
13F
BRAIDWELL LP
13F
Company
1%
603,414
$62,326,632 30 Jun 2025
13F
LOOMIS SAYLES & CO L P
13F
Company
1%
593,612
$61,314,184 30 Jun 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.96%
560,920
$57,937,427 30 Jun 2025
13F
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
0.86%
500,472
$51,693,753 30 Jun 2025
13F
MORGAN STANLEY
13F
Company
0.85%
496,318
$51,264,807 30 Jun 2025
13F
Clearbridge Investments, LLC
13F
Company
0.82%
478,792
$49,454,381 30 Jun 2025
13F
FRED ALGER MANAGEMENT, LLC
13F
Company
0.73%
425,974
$43,998,855 30 Jun 2025
13F
AustralianSuper Pty Ltd
13F
Company
0.7%
406,096
$41,945,656 30 Jun 2025
13F
RIVERBRIDGE PARTNERS LLC
13F
Company
0.69%
403,971
$41,726,140 30 Jun 2025
13F
Bank of New York Mellon Corp
13F
Company
0.68%
392,542
$40,545,695 30 Jun 2025
13F
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
0.67%
387,901
$40,066,294 30 Jun 2025
13F
Champlain Investment Partners, LLC
13F
Company
0.62%
363,026
$37,496,956 30 Jun 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.57%
333,835
$34,476,883 30 Jun 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.55%
320,512
$33,105,685 30 Jun 2025
13F
Atika Capital Management LLC
13F
Company
0.55%
319,500
$33,001,154 30 Jun 2025
13F
Squarepoint Ops LLC
13F
Company
0.51%
297,148
$30,692,417 30 Jun 2025
13F
Artisan Partners Limited Partnership
13F
Company
0.49%
287,221
$29,667,057 30 Jun 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.49%
285,646
$29,504,375 30 Jun 2025
13F
PRINCIPAL FINANCIAL GROUP INC
13F
Company
0.49%
283,390
$29,271,353 30 Jun 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.48%
279,393
$28,858,503 30 Jun 2025
13F
Allspring Global Investments Holdings, LLC
13F
Company
0.48%
280,815
$28,789,154 30 Jun 2025
13F
Iron Triangle Partners LP
13F
Company
0.47%
271,163
$28,008,426 30 Jun 2025
13F
Capital International Investors
13F
Company
0.42%
246,539
$25,465,013 30 Jun 2025
13F
Amundi
13F
Individual
0.41%
239,279
$24,796,483 30 Jun 2025
13F
Rhenman & Partners Asset Management AB
13F
Company
0.4%
235,000
$24,273,150 30 Jun 2025
13F
MARSHALL WACE, LLP
13F
Company
0.4%
230,685
$23,827,453 30 Jun 2025
13F
COMERICA BANK
13F
Company
0.39%
225,190
$23,259,857 30 Jun 2025
13F

Institutional Holders of GLAUKOS Corp - Common Stock (GKOS) as of Q3 2025

As of 30 Sep 2025, GLAUKOS Corp - Common Stock (GKOS) was held by 313 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 55,921,410 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, AMERIPRISE FINANCIAL INC, ALLIANCEBERNSTEIN L.P., GEODE CAPITAL MANAGEMENT, LLC, WESTFIELD CAPITAL MANAGEMENT CO LP, and WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC. This page lists 314 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
297
Q3 2025 holders
313
Holder diff
16
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .