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Ciena
CIEN

Overview Fund Activity

559 hedge funds and large institutions have $11.5B invested in Ciena in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 197 increasing their positions, 179 reducing their positions, and 81 closing their positions.

Holders
559
Holders Change
+17
Holders Change %
+3.14%
% of All Funds
7.5%
Holding in Top 10
9
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+50%
% of All Funds
0.12%
New
103
Increased
197
Reduced
179
Closed
81
Calls
$184M
Puts
$121M
Net Calls
+$62.8M
Net Calls Change
+$27.6M

Top Buyers

1
JCAM
1
Jericho Capital Asset Management
New York
$109M
2
AM
2
Atreides Management
Massachusetts
$103M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$84M
4
VNIM
4
Vaughan Nelson Investment Management
Texas
$100M
5
RCM
5
Rokos Capital Management
United Kingdom
$81.1M

Top Sellers

1
Thrivent Financial for Lutherans
1
Thrivent Financial for Lutherans
Minnesota
$43.5M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$21.3M
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$0
4
UBS Group
4
UBS Group
Switzerland
$38.4M
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
USAA
601
United Services Automobile Association
Texas
– – -9,434 Closed
OTPPB
602
Ontario Teachers' Pension Plan Board
Ontario, Canada
– – -9,021 Closed
BAM
603
Blueshift Asset Management
New Jersey
– – -7,269 Closed
UFF
604
USA Financial Formulas
Michigan
– – -7,126 Closed
Jacobs Levy Equity Management
605
Jacobs Levy Equity Management
New Jersey
– – -6,531 Closed
TL
606
Tradewinds LLC
North Carolina
– – -6,505 Closed
CAM
607
Congress Asset Management
Massachusetts
– – -6,293 Closed
SMH
608
Sanders Morris Harris
Texas
– – -6,000 Closed
LIP
609
Lighthouse Investment Partners
Florida
– – -6,000 Closed
SRL
610
Scientech Research LLC
New Jersey
– – -5,002 Closed
VF
611
Virtu Financial
New York
– – -4,934 Closed
Mirae Asset Global Investments
612
Mirae Asset Global Investments
South Korea
– – -4,851 Closed
IFU
613
iSAM Funds (UK)
United Kingdom
– – -4,444 Closed
PTC
614
Petrus Trust Company
Texas
– – -4,244 Closed
QC
615
Quadrature Capital
United Kingdom
– – -4,159 Closed
RT
616
Rockland Trust
Massachusetts
– – -4,128 Closed
TC
617
TownSquare Capital
Utah
– – -4,065 Closed
CIA
618
Choate Investment Advisors
Massachusetts
– – -3,864 Closed
CC
619
Centiva Capital
New York
– – -3,819 Closed
FC
620
Farringdon Capital
United Kingdom
– – -3,778 Closed
BCM
621
Bayesian Capital Management
New York
– – -3,405 Closed
CWC
622
Carolinas Wealth Consulting
North Carolina
– – -1,750 Closed
QL
623
Quarry LP
New York
– – -1,593 Closed
AIP
624
Arrowpoint Investment Partners
Singapore
– – -1,552 Closed
ACM
625
Aster Capital Management
United Arab Emirates
– – -672 Closed
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