Sei Investments CO Glaukos Corp Transaction History

Sei Investments CO

$89.6 Billion
Q3 2025

A detailed history of Sei Investments CO transactions in Glaukos Corp stock. As of the latest transaction made, Sei Investments CO holds 148,108 shares of GKOS stock, worth $13.3 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

148,108

Previous 120,755 22.65%

Holding current value

$13.3 Million

Previous $12.5 Million 3.16%

% of portfolio

0.01%

Previous 0.02%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$79.92 - $106.55 $2.19 Million - $2.91 Million	27,353 Added 22.65%	148,108 $12.1 Million
Q2 2025 Aug 14, 2025	BUY	$82.27 - $103.29 $1.62 Million - $2.03 Million	19,682 Added 19.47%	120,755 $12.5 Million
Q1 2025 May 14, 2025	SELL	$96.6 - $161.22 $488,989 - $816,095	-5,062 Reduced 4.77%	101,073 $9.95 Million
Q1 2025 May 13, 2025	BUY	$96.6 - $161.22 $1.69 Million - $2.81 Million	17,445 Added 19.67%	106,135 $10.4 Million
Q4 2024 Feb 11, 2025	SELL	$126.42 - $152.67 $2.23 Million - $2.69 Million	-17,633 Reduced 16.58%	88,690 $13.3 Million

Q3 2024 Nov 12, 2024	SELL	$113.62 - $135.39 $252,577 - $300,971	-2,223 Reduced 2.05%	106,323 $13.9 Million
Q2 2024 Aug 13, 2024	BUY	$89.48 - $118.35 $3.3 Million - $4.37 Million	36,933 Added 51.57%	108,546 $12.8 Million
Q1 2024 May 07, 2024	BUY	$76.4 - $96.33 $90,916 - $114,632	1,190 Added 1.69%	71,613 $6.75 Million
Q4 2023 Feb 14, 2024	SELL	$59.53 - $85.11 $18,990 - $27,150	-319 Reduced 0.45%	70,423 $5.6 Million
Q3 2023 Nov 14, 2023	BUY	$69.23 - $79.09 $748,445 - $855,041	10,811 Added 18.04%	70,742 $5.32 Million
Q2 2023 Aug 11, 2023	BUY	$45.44 - $71.21 $353,659 - $554,227	7,783 Added 14.92%	59,931 $4.27 Million
Q1 2023 May 12, 2023	SELL	$43.88 - $52.48 $825,777 - $987,621	-18,819 Reduced 26.52%	52,148 $2.61 Million
Q4 2022 Feb 10, 2023	BUY	$40.82 - $57.75 $1.42 Million - $2.01 Million	34,860 Added 96.55%	70,967 $3.1 Million
Q3 2022 Nov 14, 2022	BUY	$46.84 - $58.49 $443,012 - $553,198	9,458 Added 35.49%	36,107 $1.92 Million
Q2 2022 Aug 15, 2022	SELL	$34.86 - $63.77 $166,212 - $304,055	-4,768 Reduced 15.18%	26,649 $1.21 Million
Q1 2022 May 13, 2022	BUY	$44.33 - $57.82 $169,961 - $221,681	3,834 Added 13.9%	31,417 $1.82 Million
Q4 2021 Feb 14, 2022	BUY	$40.27 - $56.99 $220,800 - $312,476	5,483 Added 24.81%	27,583 $1.23 Million
Q3 2021 Nov 12, 2021	SELL	$47.43 - $84.23 $764,239 - $1.36 Million	-16,113 Reduced 42.17%	22,100 $1.07 Million
Q2 2021 Aug 06, 2021	BUY	$73.06 - $97.7 $1.06 Million - $1.42 Million	14,499 Added 61.14%	38,213 $3.24 Million
Q1 2021 May 12, 2021	SELL	$70.43 - $97.42 $20,495 - $28,349	-291 Reduced 1.21%	23,714 $1.99 Million
Q4 2020 Feb 08, 2021	BUY	$48.9 - $75.26 $167,531 - $257,840	3,426 Added 16.65%	24,005 $1.81 Million
Q3 2020 Nov 06, 2020	SELL	$37.23 - $50.97 $5,323 - $7,288	-143 Reduced 0.69%	20,579 $1.02 Million
Q2 2020 Aug 17, 2020	SELL	$28.78 - $46.83 $60,725 - $98,811	-2,110 Reduced 9.24%	20,722 $796,000
Q2 2020 Aug 11, 2020	SELL	$28.78 - $46.83 $478,381 - $778,408	-16,622 Reduced 42.13%	22,832 $1.24 Million
Q1 2020 May 14, 2020	BUY	$25.53 - $70.14 $424,359 - $1.17 Million	16,622 Added 72.8%	39,454 $1.22 Million
Q4 2019 Feb 06, 2020	BUY	$54.18 - $65.64 $173,484 - $210,179	3,202 Added 16.31%	22,832 $1.24 Million
Q3 2019 Nov 12, 2019	SELL	$58.58 - $83.91 $790,947 - $1.13 Million	-13,502 Reduced 40.75%	19,630 $1.23 Million
Q2 2019 Aug 14, 2019	BUY	$63.59 - $78.71 $512,281 - $634,087	8,056 Added 32.13%	33,132 $2.5 Million
Q1 2019 May 15, 2019	BUY	$50.75 - $80.54 $1.16 Million - $1.85 Million	22,954 Added 1081.72%	25,076 $1.97 Million
Q3 2018 Nov 08, 2018	BUY	$38.13 - $68.37 $4,651 - $8,341	122 Added 6.1%	2,122 $138,000
Q2 2018 Aug 03, 2018	BUY	$27.62 - $44.51 $51,594 - $83,144	1,868 Added 1415.15%	2,000 $81,000
Q1 2018 May 11, 2018	BUY	$26.05 - $34.5 $3,438 - $4,554	132 New	132 $4,000

Others Institutions Holding GKOS

# of Institutions

351

Shares Held

55.3M

Call Options Held

163K

Put Options Held

458K

View Full List

About GLAUKOS Corp

Ticker GKOS
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 47,596,900
Market Cap $4.29B
Description
Glaukos Corporation, an ophthalmic medical technology and pharmaceutical company, focuses on the development of novel therapies for the treatment of glaucoma, corneal disorders, and retinal diseases. It offers iStent, iStent inject, iStent inject W micro-bypass stents that enhance aqueous humor outflow inserted in cataract surgery to treat mild-...

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Sei Investments CO Glaukos Corp Transaction History