What does CUSIP 377322102 represent in this 13F holders report?

CUSIP 377322102 is the security identifier for GKOS - GLAUKOS Corp - Common Stock used to aggregate holder disclosures.

How many institutions held GKOS - GLAUKOS Corp - Common Stock in Q2 2023?

217 institutional investors reported GKOS - GLAUKOS Corp - Common Stock for Q2 2023. Use the holders table for investor-level position and value details.

GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q2 2023 13F Holders as of 30 Jun 2023

Type / Class: Equity / Common Stock
Shares outstanding: 56,958,245
Total 13F shares: 48,437,046
Share change: +1,160,485
Total reported value: $3,449,116,516
Put/Call ratio: 83%
Price per share: $71.21
Number of holders: 217
Value change: +$95,457,907
Number of buys: 109
Number of sells: 92

Quarterly Holders Quick Answers

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

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2023
Previous quarter: Q1 2023

Recent filing periods for CUSIP 377322102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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 Finance, Inc.	13F	Company	14%	7,755,100	$388,530,511	—	31 Mar 2023	13F
VANGUARD GROUP INC	13F	Company	9.3%	5,304,947	$265,777,845	—	31 Mar 2023	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	8.2%	4,684,699	$234,703,420	—	31 Mar 2023	13F
BROWN CAPITAL MANAGEMENT LLC	13F	Company	5.1%	2,904,658	$145,523,366	—	31 Mar 2023	13F
Artisan Partners Limited Partnership	13F	Company	3.3%	1,875,057	$93,940,356	—	31 Mar 2023	13F
BRAIDWELL LP	13F	Company	3.2%	1,806,651	$90,513,215	—	31 Mar 2023	13F
STATE STREET CORP	13F	Company	3.1%	1,750,876	$87,718,888	—	31 Mar 2023	13F
JANUS HENDERSON GROUP PLC	13F	Company	2.8%	1,582,396	$79,277,481	—	31 Mar 2023	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	2.7%	1,520,787	$76,191,429	—	31 Mar 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	2.3%	1,298,052	$65,032,000	—	31 Mar 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.5%	870,632	$43,618,680	—	31 Mar 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.4%	801,386	$40,148,209	—	31 Mar 2023	13F
CITADEL ADVISORS LLC	13F	Company	1.3%	758,324	$37,992,032	—	31 Mar 2023	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	1.2%	691,899	$34,664,140	—	31 Mar 2023	13F
MORGAN STANLEY	13F	Company	1.1%	632,253	$31,675,876	—	31 Mar 2023	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	1.1%	608,200	$30,470,820	—	31 Mar 2023	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	1%	579,911	$29,053,541	—	31 Mar 2023	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	1%	567,891	$28,451,339	—	31 Mar 2023	13F
Capital World Investors	13F	Company	0.97%	550,322	$27,571,132	—	31 Mar 2023	13F
NORTHERN TRUST CORP	13F	Company	0.95%	539,828	$27,045,384	—	31 Mar 2023	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.9%	509,881	$25,545,038	—	31 Mar 2023	13F
Point72 Asset Management, L.P.	13F	Company	0.8%	456,700	$22,880,670	—	31 Mar 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.8%	453,275	$22,709,079	—	31 Mar 2023	13F
Bank of New York Mellon Corp	13F	Company	0.77%	440,509	$22,069,501	—	31 Mar 2023	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.65%	368,100	$18,441,810	—	31 Mar 2023	13F
Chris M. Calcaterra	3/4/5	Chief Operating Officer	— mixed-class rows	192,895 mixed-class rows	$17,854,811	—	24 Mar 2022	3/4/5
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.62%	355,554	$17,813,255	—	31 Mar 2023	13F
Camber Capital Management LP	13F	Company	0.61%	350,000	$17,535,000	—	31 Mar 2023	13F
LORD, ABBETT & CO. LLC	13F	Company	0.61%	347,171	$17,394,000	—	31 Mar 2023	13F
NORGES BANK	13F	Company	0.57%	322,502	$16,157,350	—	31 Mar 2023	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.53%	302,234	$15,141,923	—	31 Mar 2023	13F
NOMURA HOLDINGS INC	13F	Company	0.52%	296,288	$14,844,029	—	31 Mar 2023	13F
ROYAL BANK OF CANADA	13F	Company	0.38%	216,975	$10,871,000	—	31 Mar 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.38%	216,069	$10,825,057	—	31 Mar 2023	13F
Invesco Ltd.	13F	Company	0.37%	213,108	$10,676,710	—	31 Mar 2023	13F
Lombard Odier Asset Management (Switzerland) SA	13F	Company	0.37%	209,938	$10,517,894	—	31 Mar 2023	13F
C WorldWide Group Holding A/S	13F	Company	0.35%	197,212	$9,880,000	—	31 Mar 2023	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.31%	178,384	$8,937,038	—	31 Mar 2023	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.31%	178,315	$8,933,582	—	31 Mar 2023	13F
Polar Asset Management Partners Inc.	13F	Company	0.3%	171,908	$8,612,591	—	31 Mar 2023	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.29%	166,972	$8,365,297	—	31 Mar 2023	13F
KEYBANK NATIONAL ASSOCIATION/OH	13F	Company	0.25%	142,288	$7,128,629	—	31 Mar 2023	13F
RHUMBLINE ADVISERS	13F	Company	0.25%	140,572	$7,043,000	—	31 Mar 2023	13F
Legal & General Group Plc	13F	Company	0.24%	138,183	$6,922,969	—	31 Mar 2023	13F
MOORE CAPITAL MANAGEMENT, LP	13F	Company	0.24%	137,962	$6,911,896	—	31 Mar 2023	13F
Nuveen Asset Management, LLC	13F	Company	0.24%	135,959	$6,811,000	—	31 Mar 2023	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.23%	131,318	$6,579,032	—	31 Mar 2023	13F
TUDOR INVESTMENT CORP ET AL	13F	Company	0.21%	119,662	$5,995,000	—	31 Mar 2023	13F
SG Americas Securities, LLC	13F	Company	0.2%	115,095	$5,766,000	—	31 Mar 2023	13F
William J. Link PhD	3/4/5	Director	— class O/S missing	58,300	$5,480,783	—	03 Jun 2021	3/4/5

Institutional Holders of GLAUKOS Corp - Common Stock (GKOS) as of Q2 2023

As of 30 Jun 2023, GLAUKOS Corp - Common Stock (GKOS) was held by 217 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,437,046 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, BROWN CAPITAL MANAGEMENT LLC, Artisan Partners Limited Partnership, STATE STREET CORP, FRED ALGER MANAGEMENT, LLC, JANUS HENDERSON GROUP PLC, MILLENNIUM MANAGEMENT LLC, and BRAIDWELL LP. This page lists 217 institutional shareholders reporting positions in this security for the Q2 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

200

Q2 2023 holders

217

Holder diff

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 Value $	Q2 2023 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.