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Ciena
CIEN

Overview Fund Activity

542 hedge funds and large institutions have $8.25B invested in Ciena in 2025 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 184 increasing their positions, 183 reducing their positions, and 80 closing their positions.

Holders
542
Holders Change
+12
Holders Change %
+2.26%
% of All Funds
7.36%
Holding in Top 10
6
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-45.45%
% of All Funds
0.08%
New
102
Increased
184
Reduced
183
Closed
80
Calls
$184M
Puts
$149M
Net Calls
+$35.2M
Net Calls Change
-$20.2M

Top Buyers

1
William Blair Investment Management
1
William Blair Investment Management
Illinois
$121M
2
Capital World Investors
2
Capital World Investors
California
$112M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$120M
4
WP
4
Woodline Partners
California
$49.2M
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$51.4M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$70.7M
2
SPC
2
Slate Path Capital
New York
$0
3
Fidelity International
3
Fidelity International
Bermuda
$0
4
Barrow, Hanley, Mewhinney & Strauss
4
Barrow, Hanley, Mewhinney & Strauss
Texas
$229M
5
PCH
5
Polar Capital Holdings
United Kingdom
$74.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Natixis Advisors
101
Natixis Advisors
Massachusetts
$8.38M -$2.86M -47,269 -25%
State of Wisconsin Investment Board
102
State of Wisconsin Investment Board
Wisconsin
$8.33M +$572K +9,471 +7%
IIM
103
INTECH Investment Management
Florida
$8.19M +$4.23M +70,027 +107%
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$8.07M -$92.3K -1,528 -1%
Connor, Clark & Lunn Investment Management (CC&L)
105
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.97M +$3.34M +55,237 +72%
MGM
106
Manchester Global Management
United Kingdom
$7.89M -$8.34M -138,000 -51%
Barclays
107
Barclays
United Kingdom
$7.77M -$2.55M -42,175 -25%
PHK
108
Point72 Hong Kong
Hong Kong
$7.6M +$6.5M +107,508 +587%
WCM
109
Westerly Capital Management
California
$7.55M +$4.83M +80,000 +178%
RA
110
Royce & Associates
New York
$7.17M – – –
OAM
111
Oppenheimer Asset Management
New York
$7.14M +$445K +7,360 +7%
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
$7.13M +$6.18M +102,202 +647%
Bank Julius Baer & Co
113
Bank Julius Baer & Co
Switzerland
$6.92M +$6.92M +111,133 New
Manulife (Manufacturers Life Insurance)
114
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.76M -$414K -6,844 -6%
DP
115
DDD Partners
Washington
$6.68M -$817K -13,517 -11%
TGCMU
116
Titan Global Capital Management USA
New York
$6.67M +$6.67M +110,395 New
Canada Life
117
Canada Life
Manitoba, Canada
$6.55M -$623K -10,301 -9%
Stifel Financial
118
Stifel Financial
Missouri
$6.36M -$123K -2,028 -2%
Prudential Financial
119
Prudential Financial
New Jersey
$6.28M +$4.95M +81,922 +372%
Allianz Asset Management
120
Allianz Asset Management
Germany
$6.25M +$1.93M +31,947 +45%
FSCM
121
Front Street Capital Management
Montana
$6.07M -$648K -10,726 -10%
SFI
122
Susquehanna Fundamental Investments
Pennsylvania
$6.05M -$3.68M -60,857 -38%
AAP
123
Ardsley Advisory Partners
Connecticut
$6.01M +$4.5M +74,500 +298%
HVIA
124
Hudson Valley Investment Advisors
New York
$5.89M -$102K -1,687 -2%
Jane Street
125
Jane Street
New York
$5.74M +$2.38M +39,333 +71%
3 4
5
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