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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 %
FC
176
FORA Capital
Florida
$2.58M +$2.58M +42,767 New
LI
177
LHM Inc
Utah
$2.56M -$1.68M -27,759 -40%
Robeco Institutional Asset Management
178
Robeco Institutional Asset Management
Netherlands
$2.56M – – –
PAS
179
Park Avenue Securities
New York
$2.52M +$204K +3,376 +9%
Kovitz Investment Group Partners
180
Kovitz Investment Group Partners
Illinois
$2.52M -$24.6M -407,189 -91%
AAIS
181
ABN AMRO Investment Solutions
$2.51M +$2.51M +41,541 New
MAM
182
Madison Asset Management
Wisconsin
$2.48M -$328K -5,435 -12%
ASRS
183
Arizona State Retirement System
Arizona
$2.46M -$69.5K -1,150 -3%
ECM
184
ExodusPoint Capital Management
New York
$2.45M -$2.5M -41,417 -51%
PCM
185
Penserra Capital Management
California
$2.44M +$208K +3,441 +9%
AI
186
Atria Investments
North Carolina
$2.43M -$80.7K -1,336 -3%
FSCM
187
First Sabrepoint Capital Management
Texas
$2.42M -$2.73M -45,200 -53%
LSERS
188
Louisiana State Employees Retirement System
Louisiana
$2.41M -$18.1K -300 -0.7%
Assenagon Asset Management
189
Assenagon Asset Management
Luxembourg
$2.4M +$2.4M +39,690 New
Victory Capital Management
190
Victory Capital Management
Texas
$2.38M -$20.4M -337,116 -90%
Handelsbanken Fonder
191
Handelsbanken Fonder
Sweden
$2.36M – – –
Zurich Cantonal Bank
192
Zurich Cantonal Bank
Switzerland
$2.35M +$10.8K +178 +0.5%
NAM
193
Nissay Asset Management
Japan
$2.31M +$253K +4,186 +12%
WAM
194
Weiss Asset Management
Massachusetts
$2.29M +$2.29M +37,890 New
HCA
195
Harbour Capital Advisors
Virginia
$2.28M +$272K +4,845 +14%
FLPIM
196
F.L. Putnam Investment Management
Massachusetts
$2.19M +$60.2K +996 +3%
SC
197
Savant Capital
Illinois
$2.11M +$665 +11 +0%
TI
198
Tidal Investments
Wisconsin
$2.06M +$181K +2,996 +10%
SOMRS
199
State of Michigan Retirement System
Michigan
$2.05M -$12.1K -200 -0.6%
COPPSERS
200
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.05M +$125K +2,075 +7%
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8
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