Glaukos Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:GKOS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
06 Mar 24	SellUS$270,501	InterWest Partners LLC	Company	3,145	US$86.01
06 Mar 24	SellUS$441,806	InterWest Partners LLC	Company	5,202	US$84.93
27 Feb 24	SellUS$736,000	InterWest Partners LLC	Company	8,000	US$92.00
23 Feb 24	SellUS$1,980,101	Joseph Gilliam	Individual	21,414	US$93.05
15 Dec 23	SellUS$101,346	Alex Thurman	Individual	1,270	US$79.80

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GKOS?
Owner Type	Number of Shares	Ownership Percentage
State or Government	22,693	0.0397%
Individual Insiders	1,748,604	3.06%
Institutions	55,329,843	96.9%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 13%.

Top Shareholders

Top 25 shareholders own 79.25% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.6%	BlackRock, Inc.	8,037,805	US$1.1b	0%	0.02%
12%	FMR LLC	6,583,802	US$931.2m	-3%	0.05%
10.7%	The Vanguard Group, Inc.	5,873,133	US$830.7m	7.71%	0.01%
3.96%	Wellington Management Group LLP	2,183,766	US$308.9m	295%	0.05%
3.55%	State Street Global Advisors, Inc.	1,954,449	US$276.4m	5.29%	0.01%
2.98%	Columbia Management Investment Advisers, LLC	1,640,165	US$232.0m	22.1%	0.05%
2.97%	Brown Capital Management, LLC	1,634,591	US$231.2m	-13.9%	3.14%
2.77%	Lord, Abbett & Co. LLC	1,528,515	US$216.2m	11%	0.65%
2.68%	Thomas Burns	1,475,755	US$208.7m	0.07%	no data
2.41%	Janus Henderson Group plc	1,325,784	US$187.5m	-9.04%	0.07%
2.26%	PRIMECAP Management Company	1,245,185	US$176.1m	2%	0.12%
2.13%	Geode Capital Management, LLC	1,172,016	US$165.8m	5.98%	0.01%
2.05%	Invesco Ltd.	1,131,761	US$160.1m	-17.6%	0.04%
1.95%	Fred Alger Management, LLC	1,076,974	US$152.3m	-15.8%	0.68%
1.56%	Driehaus Capital Management LLC	861,607	US$121.9m	7.21%	0.72%
1.44%	Artisan Partners Limited Partnership	795,246	US$112.5m	-22.6%	0.09%
1.22%	Loomis Sayles & Company, L.P.	673,751	US$95.3m	21.6%	0.12%
1.2%	Gilder Gagnon Howe & Co. LLC	658,599	US$93.2m	3.89%	1.03%
1.16%	Charles Schwab Investment Management, Inc.	641,761	US$90.8m	47.7%	0.01%
1.12%	Summit Partners Public Asset Management, LLC	617,440	US$87.3m	50.3%	3.43%
1%	Capital Research and Management Company	550,322	US$77.8m	0%	no data
0.98%	Northern Trust Global Investments	538,621	US$76.2m	3.4%	0.01%
0.98%	Norges Bank Investment Management	537,967	US$76.1m	0%	0.01%
0.86%	Riverbridge Partners, LLC	476,682	US$67.4m	-3.32%	0.84%
0.83%	Morgan Stanley, Investment Banking and Brokerage Investments	459,829	US$65.0m	7.07%	0.01%