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.

Q4 2024 vs. Q3 2024

How the institutions holding GLAUKOS Corp changed between Q3 2024 and Q4 2024.

All holders in Q4 2024 All holders in Q3 2024

13F holders of GKOS: Q3 2024 compared with Q4 2024
Measure	Q3 2024	Of which not filed for Q4 2024	Q4 2024	Change
Holders	315	7	322	+14
Shares	54.9M	121.6K	57.1M	+2.37M (+4.3%)
Value	$7.15B	$16.6M	$8.57B	+$1.43B (+20.1%)

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (54)

Institutions that held GLAUKOS Corp at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to GKOS in Q4 2024
Institution	Shares	Value	% of portfolio
William Blair Investment Management, LLC	809,589	$121.4M	0.30%
Holocene Advisors, LP	309,469	$46.4M	0.15%
Raymond James Financial Inc	112,771	$16.9M	0.01%
Universal- Beteiligungs- und Servicegesellschaft mbH	82,477	$12.4M	0.02%
Armistice Capital, LLC	58,919	$8.83M	0.21%
Zweig-DiMenna Associates LLC	58,665	$8.80M	0.74%
Science & Technology Partners, L.P.	51,750	$7.76M	2.36%
Balyasny Asset Management LLC	31,752	$4.76M	0.01%
Harbor Capital Advisors, Inc.	24,539	$3.68M	0.16%
Susquehanna Fundamental Investments, LLC	12,689	$1.90M	0.03%
KLP Kapitalforvaltning AS	11,400	$1.71M	0.01%
Oak Ridge Investments LLC	11,150	$1.67M	0.13%
Police & Firemen's Retirement System of New Jersey	10,421	$1.56M	0.02%
Campbell & CO Investment Adviser LLC	7,311	$1.10M	0.08%
FIL Ltd	7,089	$1.06M	0.00%
Williamson Legacy Group, LLC	5,789	$868.0K	0.58%
New York Life Investment Management LLC	5,656	$848.1K	0.01%
CIBC World Markets Corp	4,579	$686.6K	0.00%
Bokf, NA	3,798	$594.5K	0.01%
Brevan Howard Capital Management LP	3,671	$550.4K	0.01%
Landscape Capital Management, L.L.C.	3,075	$461.1K	0.05%
New Age Alpha Advisors, LLC	3,007	$450.9K	0.02%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	2,602	$390.1K	0.01%
Colony Group, LLC	2,528	$379.0K	0.00%
CenterBook Partners LP	2,438	$365.6K	0.02%
Anb Bank	2,040	$305.9K	0.13%
Divisadero Street Capital Management, LP	1,791	$268.5K	0.03%
Farringdon Capital, Ltd.	1,627	$244.0K	0.10%
Empowered Funds, LLC	1,574	$236.0K	0.00%
CIBC Asset Management Inc	1,514	$227.0K	0.00%
Zhang Financial LLC	1,474	$221.0K	0.01%
Congress Asset Management Co	1,463	$219.4K	0.00%
Forum Financial Management, LP	1,406	$210.8K	0.00%
Ci Investments Inc.	1,392	$209.0K	0.00%
Coldstream Capital Management Inc	1,385	$207.7K	0.00%
BI Asset Management Fondsmaeglerselskab A/S	1,216	$182.0K	0.00%
SBI Securities Co., Ltd.	1,018	$152.6K	0.00%
Picton Mahoney Asset Management	840	$125.0K	0.00%
Asset Planning,Inc	600	$90.0K	0.07%
IFP Advisors, Inc	289	$43.3K	0.00%
Point72 Asia (Singapore) Pte. Ltd.	145	$21.7K	0.01%
Fuller & Thaler Asset Management, Inc.	70	$10.5K	0.00%
Meeder Asset Management Inc	43	$6.45K	0.00%
Steward Partners Investment Advisory, LLC	31	$4.65K	0.00%
WPG Advisers, LLC	25	$3.75K	0.00%
Spire Wealth Management	21	$3.15K	0.00%
Van Hulzen Asset Management, LLC	17	$2.55K	0.00%
Sierra Ocean, LLC	15	$2.25K	0.00%
Center for Financial Planning, Inc.	14	$2.10K	0.00%
GeoWealth Management, LLC	11	$1.65K	0.00%
Whipplewood Advisors, LLC	7	$1.05K	0.00%
UMA Financial Services, Inc.	6	$900	0.00%
Skopos Labs, Inc.	3	$450	0.00%
WealthTrak Capital Management LLC	1	$150	0.00%

Sold out (40)

Institutions that held GLAUKOS Corp at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of GKOS in Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
RTW Investments, LP	386,291	$50.3M
Marshall Wace, LLP	128,803	$16.8M
Nomura Holdings Inc	104,625	$13.6M
Eventide Asset Management, LLC	63,542	$8.28M
Point72 (DIFC) Ltd	53,211	$6.93M
Connor, Clark & Lunn Investment Management Ltd.	46,913	$6.11M
Pura Vida Investments, LLC	44,000	$5.73M
Man Group plc	40,473	$5.27M
Twinbeech Capital LP	39,652	$5.17M
Macquarie Group Ltd	37,708	$4.91M
Lighthouse Investment Partners, LLC	35,287	$4.60M
Boothbay Fund Management, LLC	26,244	$3.42M
Exome Asset Management LLC	25,857	$3.37M
Cubist Systematic Strategies, LLC	13,780	$1.80M
Seven Eight Capital, LP	11,977	$1.56M
Tudor Investment Corp Et Al	9,829	$1.28M
Y-Intercept (Hong Kong) Ltd	7,724	$1.01M
Prelude Capital Management, LLC	6,746	$878.9K
Private Advisory Group LLC	6,738	$877.8K
Jennison Associates LLC	6,080	$792.1K
Jefferies Financial Group Inc.	5,000	$651.4K
Group One Trading, L.P.	4,458	$580.8K
XTX Topco Ltd	3,100	$403.9K
Simplex Trading, LLC	3,079	$401.0K
Acadian Asset Management LLC	3,050	$397.0K
Omers Administration Corp	2,900	$377.8K
American Century Companies Inc	2,562	$333.8K
Veriti Management LLC	2,003	$261.0K
Deerfield Management Company, L.P. (Series C)	1,938	$252.5K
Schonfeld Strategic Advisors LLC	1,723	$224.5K
Values First Advisors, Inc.	191	$24.8K
Walleye Capital LLC	175	$22.8K
Cullen/Frost Bankers, Inc.	118	$15.4K
Quarry LP	85	$11.1K
Ronald Blue Trust, Inc.	57	$6.75K
Hollencrest Capital Management	5	$651
Capital Performance Advisors LLP	5	$651
Mendota Financial Group, LLC	4	$522
National Bank of Canada	2	$261
Natixis	1	$130

Not filed for Q4 2024 yet (7)

Institutions that held GLAUKOS Corp at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GKOS in Q3 2024 that haven't filed for Q4 2024
Institution	Shares, Q3 2024	Value, Q3 2024
Eagle Asset Management Inc	78,455	$11.1M
Raymond James & Associates	13,966	$1.82M
ClariVest Asset Management LLC	11,935	$1.41M
B. Metzler seel. Sohn & Co. Holding AG	10,339	$1.35M
Chartwell Investment Partners, LLC	5,272	$687.0K
Raymond James Financial Services Advisors, Inc.	1,558	$203.0K
PEAK6 Investments LLC	38	$4.95K