Primecap Management CO Ciena Corp Transaction History

Primecap Management CO

$122 Billion
Q2 2025

A detailed history of Primecap Management CO transactions in Ciena Corp stock. As of the latest transaction made, Primecap Management CO holds 554,500 shares of CIEN stock, worth $86.5 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares

554,500

Previous 478,550 15.87%

Holding current value

$86.5 Million

Previous $28.9 Million 55.95%

% of portfolio

0.04%

Previous 0.02%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 11, 2025	BUY	$53.5 - $83.89 $4.06 Million - $6.37 Million	75,950 Added 15.87%	554,500 $45.1 Million
Q1 2025 May 09, 2025	BUY	$60.43 - $98.18 $898,594 - $1.46 Million	14,870 Added 3.21%	478,550 $28.9 Million
Q4 2024 Feb 10, 2025	BUY	$61.45 - $91.14 $20.7 Million - $30.6 Million	336,180 Added 263.67%	463,680 $39.3 Million
Q3 2024 Nov 08, 2024	BUY	$45.77 - $62.46 $228,850 - $312,300	5,000 Added 4.08%	127,500 $7.85 Million
Q2 2024 Aug 09, 2024	SELL	$43.56 - $49.56 $138,738 - $157,848	-3,185 Reduced 2.53%	122,500 $5.9 Million
Q1 2024 May 13, 2024	BUY	$44.58 - $62.48 $735,570 - $1.03 Million	16,500 Added 15.11%	125,685 $6.22 Million
Q3 2023 Nov 13, 2023	BUY	$40.43 - $49.98 $190,021 - $234,905	4,700 Added 4.5%	109,185 $5.16 Million
Q2 2023 Aug 11, 2023	BUY	$41.02 - $52.27 $82,040 - $104,540	2,000 Added 1.95%	104,485 $4.44 Million
Q1 2023 May 15, 2023	BUY	$46.18 - $52.52 $46,180 - $52,520	1,000 Added 0.99%	102,485 $5.38 Million
Q4 2022 Feb 13, 2023	BUY	$39.16 - $51.83 $39,160 - $51,830	1,000 Added 1.0%	101,485 $5.17 Million
Q3 2022 Nov 14, 2022	SELL	$39.71 - $56.37 $3,971 - $5,637	-100 Reduced 0.1%	100,485 $4.06 Million
Q2 2022 Aug 11, 2022	SELL	$42.04 - $61.74 $21,020 - $30,870	-500 Reduced 0.49%	100,585 $4.6 Million
Q1 2022 May 11, 2022	BUY	$53.7 - $77.38 $107,400 - $154,760	2,000 Added 2.02%	101,085 $6.13 Million
Q3 2021 Nov 12, 2021	BUY	$50.84 - $58.51 $2.08 Million - $2.4 Million	41,000 Added 70.59%	99,085 $5.09 Million
Q1 2021 May 14, 2021	SELL	$48.87 - $57.24 $2.71 Million - $3.17 Million	-55,425 Reduced 48.83%	58,085 $3.18 Million
Q4 2020 Feb 08, 2021	BUY	$38.44 - $53.47 $1.06 Million - $1.48 Million	27,700 Added 32.28%	113,510 $6 Million
Q3 2020 Nov 13, 2020	BUY	$38.82 - $60.99 $3.16 Million - $4.97 Million	81,525 Added 1902.57%	85,810 $3.41 Million
Q2 2020 Aug 13, 2020	BUY	$39.97 - $56.31 $171,271 - $241,288	4,285 New	4,285 $232,000

Others Institutions Holding CIEN

# of Institutions

656

Shares Held

121M

Call Options Held

2.51M

Put Options Held

1.2M

View Full List

About CIENA CORP

Ticker CIEN
Exchange NYSE
Sector Technology
Industry Communication Equipment
Shares Outstandng 148,142,000
Market Cap $23.1B
Description
Ciena Corporation provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking products and solutions that optimized for t...

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Primecap Management CO Ciena Corp Transaction History