Primecap Management CO Glaukos Corp Transaction History

Primecap Management CO

$122 Billion
Q2 2025

A detailed history of Primecap Management CO transactions in Glaukos Corp stock. As of the latest transaction made, Primecap Management CO holds 1,827,998 shares of GKOS stock, worth $154 Million. This represents 0.15% of its overall portfolio holdings.

Number of Shares

1,827,998

Previous 1,218,475 50.02%

Holding current value

$154 Million

Previous $120 Million 57.45%

% of portfolio

0.15%

Previous 0.1%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 11, 2025	BUY	$82.27 - $103.29 $50.1 Million - $63 Million	609,523 Added 50.02%	1,827,998 $189 Million
Q1 2025 May 09, 2025	BUY	$96.6 - $161.22 $400,890 - $669,063	4,150 Added 0.34%	1,218,475 $120 Million
Q4 2024 Feb 10, 2025	SELL	$126.42 - $152.67 $3.9 Million - $4.71 Million	-30,860 Reduced 2.48%	1,214,325 $182 Million
Q3 2024 Nov 08, 2024	BUY	$113.62 - $135.39 $2.77 Million - $3.3 Million	24,370 Added 2.0%	1,245,185 $162 Million
Q2 2024 Aug 09, 2024	BUY	$89.48 - $118.35 $33.3 Million - $44 Million	372,180 Added 43.86%	1,220,815 $144 Million
Q1 2024 May 13, 2024	BUY	$76.4 - $96.33 $4.48 Million - $5.64 Million	58,600 Added 7.42%	848,635 $80 Million
Q4 2023 Feb 09, 2024	BUY	$59.53 - $85.11 $9.01 Million - $12.9 Million	151,415 Added 23.71%	790,035 $62.8 Million
Q3 2023 Nov 13, 2023	BUY	$69.23 - $79.09 $1.39 Million - $1.59 Million	20,120 Added 3.25%	638,620 $48.1 Million
Q2 2023 Aug 11, 2023	BUY	$45.44 - $71.21 $468,032 - $733,462	10,300 Added 1.69%	618,500 $44 Million
Q1 2023 May 15, 2023	BUY	$43.88 - $52.48 $2.53 Million - $3.03 Million	57,720 Added 10.49%	608,200 $30.5 Million
Q4 2022 Feb 13, 2023	BUY	$40.82 - $57.75 $513,923 - $727,072	12,590 Added 2.34%	550,480 $24 Million
Q3 2022 Nov 14, 2022	SELL	$46.84 - $58.49 $163,003 - $203,545	-3,480 Reduced 0.64%	537,890 $28.6 Million
Q2 2022 Aug 11, 2022	BUY	$34.86 - $63.77 $309,208 - $565,639	8,870 Added 1.67%	541,370 $24.6 Million
Q1 2022 May 11, 2022	SELL	$44.33 - $57.82 $17,732 - $23,128	-400 Reduced 0.08%	532,500 $30.8 Million
Q4 2021 Feb 11, 2022	BUY	$40.27 - $56.99 $1.32 Million - $1.86 Million	32,700 Added 6.54%	532,900 $23.7 Million
Q3 2021 Nov 12, 2021	BUY	$47.43 - $84.23 $2.64 Million - $4.69 Million	55,700 Added 12.53%	500,200 $24.1 Million
Q2 2021 Aug 10, 2021	BUY	$73.06 - $97.7 $599,092 - $801,140	8,200 Added 1.88%	444,500 $37.7 Million
Q1 2021 May 14, 2021	BUY	$70.43 - $97.42 $359,193 - $496,842	5,100 Added 1.18%	436,300 $36.6 Million
Q4 2020 Feb 08, 2021	BUY	$48.9 - $75.26 $1.15 Million - $1.77 Million	23,500 Added 5.76%	431,200 $32.5 Million
Q3 2020 Nov 13, 2020	BUY	$37.23 - $50.97 $225,986 - $309,387	6,070 Added 1.51%	407,700 $20.2 Million
Q2 2020 Aug 13, 2020	BUY	$28.78 - $46.83 $1.78 Million - $2.9 Million	61,930 Added 18.23%	401,630 $15.4 Million
Q1 2020 May 14, 2020	BUY	$25.53 - $70.14 $548,895 - $1.51 Million	21,500 Added 6.76%	339,700 $10.5 Million
Q4 2019 Feb 14, 2020	BUY	$54.18 - $65.64 $1.95 Million - $2.36 Million	35,900 Added 12.72%	318,200 $17.3 Million
Q3 2019 Nov 13, 2019	BUY	$58.58 - $83.91 $562,368 - $805,536	9,600 Added 3.52%	282,300 $17.6 Million
Q1 2019 May 14, 2019	BUY	$50.75 - $80.54 $203,000 - $322,160	4,000 Added 1.49%	272,700 $21.4 Million
Q4 2018 Feb 12, 2019	SELL	$52.18 - $67.93 $15,654 - $20,379	-300 Reduced 0.11%	268,700 $15.1 Million
Q3 2018 Nov 13, 2018	BUY	$38.13 - $68.37 $2.08 Million - $3.73 Million	54,500 Added 25.41%	269,000 $17.5 Million
Q2 2018 Aug 13, 2018	BUY	$27.62 - $44.51 $897,650 - $1.45 Million	32,500 Added 17.86%	214,500 $8.72 Million
Q1 2018 May 14, 2018	BUY	$26.05 - $34.5 $2.6 Million - $3.44 Million	99,790 Added 121.38%	182,000 $5.61 Million
Q4 2017 Feb 13, 2018	BUY	$24.5 - $36.01 $2.01 Million - $2.96 Million	82,210	82,210 $2.11 Million

Others Institutions Holding GKOS

# of Institutions

334

Shares Held

54.2M

Call Options Held

259K

Put Options Held

481K

View Full List

About GLAUKOS Corp

Ticker GKOS
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 47,596,900
Market Cap $4B
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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Primecap Management CO Glaukos Corp Transaction History