William Blair Investment Management, LLC Ciena Corp Transaction History
William Blair Investment Management, LLC
- $34.7 Billion
- Q2 2025
A detailed history of William Blair Investment Management, LLC transactions in Ciena Corp stock. As of the latest transaction made, William Blair Investment Management, LLC holds 2,708,540 shares of CIEN stock, worth $255 Million. This represents 0.63% of its overall portfolio holdings.
Number of Shares
2,708,540
Previous 2,005,631
35.05%
Holding current value
$255 Million
Previous $121 Million
81.75%
% of portfolio
0.63%
Previous 0.37%
Shares
7 transactions
Others Institutions Holding CIEN
# of Institutions
647Shares Held
121MCall Options Held
2.51MPut Options Held
1.2M-
Black Rock Inc. New York, NY15.6MShares$1.47 Billion0.02% of portfolio
-
Vanguard Group Inc Valley Forge, PA15.1MShares$1.42 Billion0.02% of portfolio
-
Jpmorgan Chase & CO New York, NY4.84MShares$454 Million0.02% of portfolio
-
State Street Corp Boston, MA4.45MShares$419 Million0.01% of portfolio
-
Barrow Hanley Mewhinney & Strauss LLC Dallas, TX4.25MShares$400 Million1.23% of portfolio
About CIENA CORP
- Ticker CIEN
- Exchange NYSE
- Sector Technology
- Industry Communication Equipment
- Shares Outstandng 148,142,000
- Market Cap $13.9B
- 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...