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 2018?

128 institutional investors reported GKOS - GLAUKOS Corp - Common Stock for Q2 2018. Use the holders table for investor-level position and value details.

GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q2 2018 13F Holders as of 30 Jun 2018

Type / Class: Equity / Common Stock
Shares outstanding: 56,958,245
Total 13F shares: 36,724,707
Share change: -750,977
Total reported value: $1,492,484,055
Put/Call ratio: 38%
Price per share: $40.64
Number of holders: 128
Value change: -$14,810,203
Number of buys: 84
Number of sells: 53

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.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q3 2018
Previous quarter: Q1 2018

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
JANUS HENDERSON GROUP PLC	13F	Company	8.9%	5,081,439	$156,661,000	—	31 Mar 2018	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	4.9%	2,769,045	$85,370,000	—	31 Mar 2018	13F
Capital World Investors	13F	Company	4.8%	2,740,000	$84,474,000	—	31 Mar 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	4.3%	2,470,186	$76,156,000	—	31 Mar 2018	13F
VANGUARD GROUP INC	13F	Company	4.3%	2,446,380	$75,422,000	—	31 Mar 2018	13F
BlackRock Finance, Inc.	13F	Company	3.5%	2,004,379	$61,795,000	—	31 Mar 2018	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	2.9%	1,643,031	$50,655,000	—	31 Mar 2018	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	2.3%	1,309,491	$40,372,000	—	31 Mar 2018	13F
BAILLIE GIFFORD & CO	13F	Company	2%	1,119,613	$34,518,000	—	31 Mar 2018	13F
INTERWEST VENTURE MANAGEMENT CO	13F	Company	1.8%	1,018,362	$31,396,000	—	31 Mar 2018	13F
FMR LLC	13F	Company	1.6%	885,070	$27,287,000	—	31 Mar 2018	13F
Meritech Capital Associates III L.L.C.	13F	Company	1.4%	822,307	$25,352,000	—	31 Mar 2018	13F
FEDERATED HERMES, INC.	13F	Company	1.4%	790,750	$24,379,000	—	31 Mar 2018	13F
Cortina Asset Management, LLC	13F	Company	1.2%	669,597	$20,644,000	—	31 Mar 2018	13F
WADDELL & REED FINANCIAL INC	13F	Company	1.2%	662,648	$20,429,000	—	31 Mar 2018	13F
STATE STREET CORP	13F	Company	1.1%	647,339	$19,955,000	—	31 Mar 2018	13F
JENNISON ASSOCIATES LLC	13F	Company	1.1%	602,106	$18,563,000	—	31 Mar 2018	13F
Novo Holdings A/S	13F	Company	0.99%	565,165	$17,424,000	—	31 Mar 2018	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.95%	540,985	$16,679,000	—	31 Mar 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.89%	505,900	$15,597,000	—	31 Mar 2018	13F
Rhenman & Partners Asset Management AB	13F	Company	0.88%	503,400	$15,520,000	—	31 Mar 2018	13F
Granite Investment Partners, LLC	13F	Company	0.78%	442,281	$13,635,000	—	31 Mar 2018	13F
Artisan Partners Limited Partnership	13F	Company	0.74%	423,401	$13,053,000	—	31 Mar 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.73%	417,061	$12,858,000	—	31 Mar 2018	13F
NORTHERN TRUST CORP	13F	Company	0.71%	405,603	$12,506,000	—	31 Mar 2018	13F
Sandhill Capital Partners LLC	13F	Company	0.63%	360,988	$11,129,000	—	31 Mar 2018	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.58%	329,199	$10,149,000	—	31 Mar 2018	13F
Broadfin Capital, LLC	13F	Company	0.52%	293,900	$9,061,000	—	31 Mar 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.49%	280,419	$8,645,000	—	31 Mar 2018	13F
C WorldWide Group Holding A/S	13F	Company	0.49%	276,272	$8,517,000	—	31 Mar 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.46%	261,104	$8,050,000	—	31 Mar 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.45%	258,972	$7,984,000	—	31 Mar 2018	13F
Handelsbanken Fonder AB	13F	Company	0.45%	258,000	$7,954,000	—	31 Mar 2018	13F
AMUNDI ASSET MANAGEMENT US, INC.	13F	Company	0.44%	252,900	$7,797,000	—	31 Mar 2018	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.44%	250,000	$7,708,000	—	31 Mar 2018	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.43%	243,420	$7,505,000	—	31 Mar 2018	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	0.32%	182,000	$5,611,000	—	31 Mar 2018	13F
LORD, ABBETT & CO. LLC	13F	Company	0.27%	151,816	$4,680,000	—	31 Mar 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.26%	150,723	$4,646,000	—	31 Mar 2018	13F
Bank of New York Mellon Corp	13F	Company	0.26%	149,650	$4,613,000	—	31 Mar 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.26%	147,513	$4,548,000	—	31 Mar 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.26%	146,838	$4,527,000	—	31 Mar 2018	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.19%	108,930	$3,358,000	—	31 Mar 2018	13F
MORGAN STANLEY	13F	Company	0.19%	106,832	$3,293,000	—	31 Mar 2018	13F
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	13F	Company	0.16%	91,500	$2,821,000	—	31 Mar 2018	13F
Taylor Frigon Capital Management LLC	13F	Company	0.15%	85,749	$2,644,000	—	31 Mar 2018	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.15%	85,363	$2,632,000	—	31 Mar 2018	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.14%	78,762	$2,428,000	—	31 Mar 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.12%	69,312	$2,137,000	—	31 Mar 2018	13F
Sterling Capital Management LLC	13F	Company	0.12%	66,017	$2,035,000	—	31 Mar 2018	13F

Institutional Holders of GLAUKOS Corp - Common Stock (GKOS) as of Q2 2018

As of 30 Jun 2018, GLAUKOS Corp - Common Stock (GKOS) was held by 128 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,724,707 shares. The largest 10 holders included JANUS HENDERSON GROUP PLC, Capital World Investors, VANGUARD GROUP INC, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, BlackRock Inc., PRICE T ROWE ASSOCIATES INC /MD/, GILDER GAGNON HOWE & CO LLC, BAILLIE GIFFORD & CO, WADDELL & REED FINANCIAL INC, and LORD, ABBETT & CO. LLC. This page lists 128 institutional shareholders reporting positions in this security for the Q2 2018 filing period.

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

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

127

Q2 2018 holders

128

Holder diff

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 Value $	Q2 2018 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.