GLAUKOS Corp

GKOS

Exchange: NYSE
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001192448

SEC filings (opens in a new tab)

In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.

Q3 2023 vs. Q2 2023

How the institutions holding GLAUKOS Corp changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of GKOS: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Of which not filed for Q3 2023	Q3 2023	Change
Holders	220	1	233	+14
Shares	48.5M	5.04K	49.8M	+1.32M (+2.7%)
Value	$3.45B	$359.1K	$3.75B	+$296.0M (+8.6%)

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (30)

Institutions that held GLAUKOS Corp at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to GKOS in Q3 2023
Institution	Shares	Value	% of portfolio
Voloridge Investment Management, LLC	124,830	$9.39M	0.05%
Lisanti Capital Growth, LLC	84,605	$6.37M	1.01%
Castleark Management LLC	72,320	$5.44M	0.28%
Natixis	62,469	$4.70M	0.04%
Tri Locum Partners LP	56,230	$4.23M	1.36%
EAM Global Investors LLC	48,890	$3.68M	0.99%
Caption Management, LLC	37,991	$2.86M	0.37%
LMR Partners LLP	31,350	$2.36M	0.05%
Illinois Municipal Retirement Fund	27,170	$2.04M	0.04%
EAM Investors, LLC	25,145	$1.89M	0.37%
Comerica Bank	22,362	$1.68M	0.01%
Federated Hermes, Inc.	16,572	$1.25M	0.00%
Jefferies Financial Group Inc.	10,311	$775.9K	0.02%
Capstone Investment Advisors, LLC	8,843	$665.4K	0.02%
Gsa Capital Partners LLP	7,666	$577.0K	0.05%
Pictet Asset Management Holding SA	5,043	$379.5K	0.00%
Legato Capital Management LLC	5,025	$378.1K	0.05%
Yarbrough Capital, LLC	4,728	$355.8K	0.02%
Walleye Capital LLC	4,050	$304.8K	0.00%
Mount Yale Investment Advisors, LLC	3,158	$237.6K	0.03%
Vident Advisory, LLC	2,970	$223.5K	0.01%
Pathstone Family Office, LLC	2,889	$217.4K	0.00%
Xponance, Inc.	2,766	$208.1K	0.00%
Wealthcare Advisory Partners LLC	2,706	$203.6K	0.01%
Mackenzie Financial Corp	2,842	$202.8K	0.00%
LGT Financial Advisors LLC	76	$5.72K	0.01%
Private Trust Co NA	62	$4.67K	0.00%
EverSource Wealth Advisors, LLC	14	$1.05K	0.00%
Grove Bank & Trust	10	$753	0.00%
Crewe Advisors LLC	2	$151	0.00%

Sold out (16)

Institutions that held GLAUKOS Corp at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of GKOS in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Camber Capital Management LP	160,000	$11.4M
Squarepoint Ops LLC	13,101	$932.9K
Centiva Capital, LP	7,681	$547.0K
Quantbot Technologies LP	7,567	$538.8K
Cubist Systematic Strategies, LLC	5,558	$395.8K
Campbell & CO Investment Adviser LLC	5,199	$370.2K
HRT Financial LP	5,147	$366.0K
Engineers Gate Manager LP	4,296	$305.9K
Two Sigma Advisers, LP	3,800	$270.6K
Two Sigma Securities, LLC	3,700	$263.5K
Holocene Advisors, LP	3,627	$258.3K
PEAK6 Investments LLC	2,207	$157.2K
Silverarc Capital Management, LLC	1,000	$71.2K
Global Wealth Strategies & Associates	204	$14.5K
Venturi Wealth Management, LLC	85	$6.05K
Ronald Blue Trust, Inc.	13	$1.00K

Not filed for Q3 2023 yet (1)

Institutions that held GLAUKOS Corp at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GKOS in Q2 2023 that haven't filed for Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Pictet Asset Management SA	5,043	$359.1K