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 Q1 2022?

204 institutional investors reported GKOS - GLAUKOS Corp - Common Stock for Q1 2022. Use the holders table for investor-level position and value details.

GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q1 2022 13F Holders as of 31 Mar 2022

Type / Class: Equity / Common Stock
Shares outstanding: 58,127,160
Total 13F shares: 43,205,720
Share change: -337,311
Total reported value: $2,498,715,661
Put/Call ratio: 87%
Price per share: $57.82
Number of holders: 204
Value change: -$11,042,581
Number of buys: 98
Number of sells: 91

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: Q2 2022
Previous quarter: Q4 2021

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	13%	7,423,702	$329,909,000	—	31 Dec 2021	13F
VANGUARD GROUP INC	13F	Company	8.8%	5,116,595	$227,383,000	—	31 Dec 2021	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	8.5%	4,923,297	$218,791,000	—	31 Dec 2021	13F
BROWN CAPITAL MANAGEMENT LLC	13F	Company	5.2%	3,021,796	$134,289,000	—	31 Dec 2021	13F
Artisan Partners Limited Partnership	13F	Company	3.4%	1,983,513	$88,147,000	—	31 Dec 2021	13F
STATE STREET CORP	13F	Company	2.9%	1,693,002	$75,237,000	—	31 Dec 2021	13F
JANUS HENDERSON GROUP PLC	13F	Company	2.7%	1,580,026	$70,217,000	—	31 Dec 2021	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	2%	1,161,414	$51,613,000	—	31 Dec 2021	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	1.7%	965,703	$42,916,000	—	31 Dec 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.3%	758,321	$33,699,000	—	31 Dec 2021	13F
Capital World Investors	13F	Company	1.3%	750,322	$33,344,000	—	31 Dec 2021	13F
BARCLAYS PLC	13F	Company	1.3%	746,421	$33,171,000	—	31 Dec 2021	13F
Point72 Asset Management, L.P.	13F	Company	1.2%	670,100	$29,779,000	—	31 Dec 2021	13F
NORTHERN TRUST CORP	13F	Company	0.97%	563,764	$25,054,000	—	31 Dec 2021	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	0.95%	554,555	$24,644,000	—	31 Dec 2021	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	0.92%	532,900	$23,682,000	—	31 Dec 2021	13F
MORGAN STANLEY	13F	Company	0.87%	503,393	$22,371,000	—	31 Dec 2021	13F
Bank of New York Mellon Corp	13F	Company	0.82%	478,385	$21,259,000	—	31 Dec 2021	13F
NORGES BANK	13F	Company	0.76%	442,791	$19,678,000	—	31 Dec 2021	13F
MARSHALL WACE, LLP	13F	Company	0.73%	425,535	$18,911,000	—	31 Dec 2021	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
BANK OF AMERICA CORP /DE/	13F	Company	0.65%	379,519	$16,866,000	—	31 Dec 2021	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.61%	353,564	$15,712,000	—	31 Dec 2021	13F
INTERWEST VENTURE MANAGEMENT CO	13F	Company	0.6%	350,264	$15,565,000	—	31 Dec 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.57%	331,801	$14,745,000	—	31 Dec 2021	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.56%	325,326	$14,458,000	—	31 Dec 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.52%	304,987	$13,553,000	—	31 Dec 2021	13F
NOMURA HOLDINGS INC	13F	Company	0.5%	288,163	$12,866,000	—	31 Dec 2021	13F
Polar Asset Management Partners Inc.	13F	Company	0.44%	255,100	$11,337,000	—	31 Dec 2021	13F
Assenagon Asset Management S.A.	13F	Company	0.44%	254,843	$11,325,000	—	31 Dec 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	0.43%	250,058	$11,113,000	—	31 Dec 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.38%	223,355	$9,926,000	—	31 Dec 2021	13F
Invesco Ltd.	13F	Company	0.38%	221,961	$9,864,000	—	31 Dec 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.37%	212,980	$9,464,000	—	31 Dec 2021	13F
Legal & General Group Plc	13F	Company	0.35%	202,275	$8,989,000	—	31 Dec 2021	13F
C WorldWide Group Holding A/S	13F	Company	0.34%	197,212	$8,764,000	—	31 Dec 2021	13F
Rhenman & Partners Asset Management AB	13F	Company	0.3%	175,000	$8,022,000	—	31 Dec 2021	13F
ROYAL BANK OF CANADA	13F	Company	0.31%	178,701	$7,941,000	—	31 Dec 2021	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.3%	173,484	$7,710,000	—	31 Dec 2021	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.29%	171,100	$7,604,000	—	31 Dec 2021	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.28%	162,492	$7,221,000	—	31 Dec 2021	13F
Nuveen Asset Management, LLC	13F	Company	0.27%	156,038	$6,934,000	—	31 Dec 2021	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.24%	142,219	$6,320,000	—	31 Dec 2021	13F
Cinctive Capital Management LP	13F	Company	0.22%	126,463	$5,620,000	—	31 Dec 2021	13F
William J. Link PhD	3/4/5	Director	— class O/S missing	58,300	$5,480,783	—	03 Jun 2021	3/4/5
TWO SIGMA INVESTMENTS, LP	13F	Company	0.2%	117,106	$5,204,000	—	31 Dec 2021	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.2%	116,301	$5,170,000	—	31 Dec 2021	13F
JPMORGAN CHASE & CO	13F	Company	0.2%	114,074	$5,069,000	—	31 Dec 2021	13F
RHUMBLINE ADVISERS	13F	Company	0.19%	111,068	$4,936,000	—	31 Dec 2021	13F
Taylor Frigon Capital Management LLC	13F	Company	0.19%	108,681	$4,830,000	—	31 Dec 2021	13F

Institutional Holders of GLAUKOS Corp - Common Stock (GKOS) as of Q1 2022

As of 31 Mar 2022, GLAUKOS Corp - Common Stock (GKOS) was held by 204 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 43,205,720 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, BROWN CAPITAL MANAGEMENT LLC, Artisan Partners Limited Partnership, JANUS HENDERSON GROUP PLC, STATE STREET CORP, Point72 Asset Management, L.P., FRED ALGER MANAGEMENT, LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 204 institutional shareholders reporting positions in this security for the Q1 2022 filing period.

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

Compare Q1 2022 vs Q4 2021 Across Filers

Q4 2021 holders

204

Q1 2022 holders

204

Holder diff

Investor	Q4 2021 Shares	Q1 2022 Shares	Share Diff	Share Chg %	Q4 2021 Value $	Q1 2022 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.