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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 101 funds opening new positions, 184 increasing their positions, 184 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
542
Holders Change
+11
Holders Change %
+2.07%
% 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
101
Increased
184
Reduced
184
Closed
80
Calls
$184M
Puts
$149M
Net Calls
+$35.2M
Net Calls Change
-$20.2M

Top Buyers

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

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$70.7M
2
SPC
Slate Path Capital
New York
$0
3
Fidelity International
Fidelity International
Bermuda
$0
4
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
$229M
5
PCH
Polar Capital Holdings
United Kingdom
$74.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
PCM
576
Prelude Capital Management
New York
– -$604K -7,122 Closed
QCM
577
Qsemble Capital Management
New York
– -$558K -6,581 Closed
OC
578
Oppenheimer & Co
New York
– -$491K -5,794 Closed
1C
579
111 Capital
France
– -$428K -5,052 Closed
TPI
580
Trust Point Inc
Wisconsin
– -$398K -4,687 Closed
Group One Trading
581
Group One Trading
Illinois
– -$375K -4,418 Closed
NRD
582
Nebula Research & Development
New York
– -$359K -4,228 Closed
MC
583
MIG Capital
California
– -$332K -3,920 Closed
CL
584
Choreo LLC
Illinois
– -$328K -3,863 Closed
BCA
585
Bay Colony Advisors
Massachusetts
– -$315K -3,716 Closed
JIP
586
Jaffetilchin Investment Partners
Florida
– -$315K -3,711 Closed
TW
587
Trajan Wealth
Arizona
– -$293K -3,454 Closed
PA
588
Pinnacle Associates
New York
– -$276K -3,257 Closed
PAG
589
Poinciana Advisors Group
Florida
– -$274K -3,226 Closed
EF
590
Empowered Funds
Pennsylvania
– -$263K -3,099 Closed
BCAM
591
Boston Common Asset Management
Massachusetts
– -$256K -3,015 Closed
DIM
592
Delta Investment Management
California
– -$254K -3,000 Closed
DTL
593
Dynamic Technology Lab
Singapore
– -$254K -3,000 Closed
CICI
594
Capital Investment Counsel Inc
North Carolina
– -$254K -3,000 Closed
FSA
595
Fort Sheridan Advisors
Illinois
– -$254K -2,991 Closed
HFM
596
Harvest Fund Management
China
– -$253K -2,978 Closed
IFWM
597
Institute for Wealth Management
Colorado
– -$246K -2,898 Closed
RWM
598
Ritholtz Wealth Management
New York
– -$245K -2,888 Closed
NL
599
NWAM LLC
Washington
– -$243K -2,871 Closed
IAS
600
Insigneo Advisory Services
Florida
– -$239K -2,823 Closed
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