Dimensional Fund Advisors LP Ciena Corp Transaction History

Dimensional Fund Advisors LP

$449 Billion
Q3 2025

A detailed history of Dimensional Fund Advisors LP transactions in Ciena Corp stock. As of the latest transaction made, Dimensional Fund Advisors LP holds 1,995,699 shares of CIEN stock, worth $383 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares

1,995,699

Previous 2,269,224 12.05%

Holding current value

$383 Million

Previous $185 Million 57.52%

% of portfolio

0.06%

Previous 0.04%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	SELL	$77.75 - $145.67 $21.3 Million - $39.8 Million	-273,525 Reduced 12.05%	1,995,699 $291 Million
Q2 2025 Aug 12, 2025	SELL	$53.5 - $83.89 $5.79 Million - $9.08 Million	-108,254 Reduced 4.55%	2,269,224 $185 Million
Q1 2025 May 13, 2025	SELL	$60.43 - $98.18 $13.6 Million - $22.1 Million	-225,053 Reduced 8.65%	2,377,478 $144 Million
Q4 2024 Feb 13, 2025	SELL	$61.45 - $91.14 $2.67 Million - $3.97 Million	-43,513 Reduced 1.64%	2,602,531 $221 Million
Q3 2024 Nov 07, 2024	SELL	$45.77 - $62.46 $2.76 Million - $3.76 Million	-60,264 Reduced 2.23%	2,646,044 $163 Million

Q2 2024 Aug 09, 2024	BUY	$43.56 - $49.56 $22.8 Million - $25.9 Million	523,313 Added 23.97%	2,706,308 $130 Million
Q1 2024 May 10, 2024	BUY	$44.58 - $62.48 $917,679 - $1.29 Million	20,585 Added 0.95%	2,182,995 $108 Million
Q4 2023 Feb 07, 2024	BUY	$40.6 - $47.16 $13.5 Million - $15.7 Million	332,181 Added 18.15%	2,162,410 $97.3 Million
Q3 2023 Nov 09, 2023	BUY	$40.43 - $49.98 $6.37 Million - $7.88 Million	157,604 Added 9.42%	1,830,229 $86.5 Million
Q2 2023 Aug 09, 2023	SELL	$41.02 - $52.27 $320,325 - $408,176	-7,809 Reduced 0.46%	1,672,625 $71.1 Million
Q1 2023 May 12, 2023	SELL	$46.18 - $52.52 $254,775 - $289,752	-5,517 Reduced 0.33%	1,680,434 $88.3 Million
Q4 2022 Feb 09, 2023	BUY	$39.16 - $51.83 $839,825 - $1.11 Million	21,446 Added 1.29%	1,685,951 $85.9 Million
Q3 2022 Nov 10, 2022	SELL	$39.71 - $56.37 $327,845 - $465,390	-8,256 Reduced 0.49%	1,664,505 $67.3 Million
Q2 2022 Aug 12, 2022	SELL	$42.04 - $61.74 $3.4 Million - $5 Million	-80,991 Reduced 4.62%	1,672,761 $76.4 Million
Q1 2022 May 13, 2022	BUY	$53.7 - $77.38 $2.25 Million - $3.24 Million	41,815 Added 2.44%	1,753,752 $106 Million
Q4 2021 Feb 09, 2022	BUY	$51.73 - $77.6 $124,876 - $187,326	2,414 Added 0.14%	1,711,937 $132 Million
Q3 2021 Nov 12, 2021	SELL	$50.84 - $58.51 $68,227 - $78,520	-1,342 Reduced 0.08%	1,709,523 $87.8 Million
Q2 2021 Aug 12, 2021	SELL	$49.52 - $60.77 $897,698 - $1.1 Million	-18,128 Reduced 1.05%	1,710,865 $97.3 Million
Q1 2021 May 14, 2021	BUY	$48.87 - $57.24 $1.37 Million - $1.6 Million	28,000 Added 1.65%	1,728,993 $94.6 Million
Q4 2020 Feb 25, 2021	BUY	$38.44 - $53.47 $65.4 Million - $91 Million	1,700,993 New	1,700,993 $89.9 Million

Others Institutions Holding CIEN

# of Institutions

779

Shares Held

121M

Call Options Held

2.98M

Put Options Held

1.22M

View Full List

About CIENA CORP

Ticker CIEN
Exchange NYSE
Sector Technology
Industry Communication Equipment
Shares Outstandng 148,142,000
Market Cap $28.4B
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...

More about CIEN

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Dimensional Fund Advisors LP, based on Form 13F filings with the SEC.

News

Stay updated on Dimensional Fund Advisors LP with notifications on news.

Account

Dimensional Fund Advisors LP Ciena Corp Transaction History