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 2023?

200 institutional investors reported GKOS - GLAUKOS Corp - Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock
Total 13F shares: 47,342,474
Total 13F value: $2,371,756,462
Share change: +839,246
Put/Call ratio: 218%
SEC-reported price per share: $50.10
Number of holders: 200
Value change: +$44,473,822
Number of buys: 97
Number of sells: 95
Shares outstanding: 58,134,728

Security key

377322102

Report period

Q1 2023

Institutions

200

Top holders

GKOS full security history Ownership snapshot Full 13F holder table GLAUKOS Corp SEC filings GLAUKOS Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 13% Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. leads the comparable SEC ownership view at 13%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock Finance, Inc. 13%

VANGUARD GROUP INC 9.2%

WELLINGTON MANAGEMENT GROUP LLP 7.5%

BROWN CAPITAL MANAGEMENT LLC 4.7%

Artisan Partners Limited Partnership 3.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	13%	$339,996,122 7,783,794 shares	—	31 Dec 2022
VANGUARD GROUP INC	13F Company 13F	9.2%	$233,654,147 5,349,225 shares	—	31 Dec 2022
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	7.5%	$191,565,454 4,385,656 shares	—	31 Dec 2022
BROWN CAPITAL MANAGEMENT LLC	13F Company 13F	4.7%	$118,495,497 2,712,809 shares	—	31 Dec 2022
Artisan Partners Limited Partnership	13F Company 13F	3.3%	$83,191,574 1,904,569 shares	—	31 Dec 2022
STATE STREET CORP	13F Company 13F	2.9%	$74,532,101 1,706,321 shares	—	31 Dec 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

200

47,342,474

Rows available

200

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

200

Q1 2023 holders

200

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %