835 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 242 funds opening new positions, 248 increasing their positions, 274 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9.15% more ownership

Funds ownership: 98.65%107.8% (+9.1%)

9% less call options, than puts

Call options by funds: $572M | Put options by funds: $627M

9% less repeat investments, than reductions

Existing positions increased: 248 | Existing positions reduced: 274

Holders
835
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$572M
Puts
$627M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MPI
501
Mairs & Power Inc
Minnesota
$702K
CICI
502
Capital Investment Counsel Inc
North Carolina
$702K
DIM
503
Delta Investment Management
California
$702K
NFSG
504
Newbridge Financial Services Group
Florida
$702K
BT
505
Banque Transatlantique
France
$692K
SC
506
Savant Capital
Illinois
$690K
TSS
507
Two Sigma Securities
New York
$689K
PAG
508
Private Advisor Group
New Jersey
$687K
ACGA
509
Atlanta Consulting Group Advisors
Georgia
$685K
FSA
510
Fort Sheridan Advisors
Illinois
$685K
SC
511
Scotia Capital
Ontario, Canada
$679K
DZ Bank
512
DZ Bank
Germany
$673K
EFG
513
Everhart Financial Group
Ohio
$667K
UM
514
UniSuper Management
Australia
$655K
KA
515
KLCM Advisors
Wisconsin
$651K
QC
516
Quadrature Capital
United Kingdom
$651K
AWM
517
Ariadne Wealth Management
California
$641K
VT
518
Vise Technologies
New York
$641K
JCM
519
Janney Capital Management
Pennsylvania
$635K
MAS
520
Meeder Advisory Services
Ohio
$634K
OA
521
Operose Advisors
Wisconsin
$631K
VC
522
Vestor Capital
Illinois
$631K
OAM
523
Ostrum Asset Management
France
$627K
XT
524
XTX Topco
Cayman Islands
$623K
IAS
525
Insigneo Advisory Services
Florida
$613K