834 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 241 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
834
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
PA
426
PSI Advisors
Florida
$1.19M
TL
427
Tradewinds LLC
North Carolina
$1.17M
SMTF
428
Sphera Management Technology Funds
Israel
$1.17M
EOJOAM
429
E. Ohman J:or Asset Management
Sweden
$1.17M
GI
430
GAMMA Investing
California
$1.17M
CWM
431
CIBC World Markets
New York
$1.14M
S
432
SignatureFD
Georgia
$1.14M
EPW
433
Evolve Private Wealth
California
$1.14M
FTWA
434
Fifth Third Wealth Advisors
Ohio
$1.13M
DT
435
Diversified Trust
Tennessee
$1.13M
ITFISA
436
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$1.1M
WG
437
Winton Group
United Kingdom
$1.1M
SCM
438
Shelton Capital Management
Colorado
$1.09M
FA
439
Fedenia Advisers
Wisconsin
$1.08M
CFO
440
Callan Family Office
Pennsylvania
$1.06M
OWG
441
Oxford Wealth Group
Florida
$1.06M
CPBTD
442
Central Pacific Bank - Trust Division
Hawaii
$1.05M
Northwestern Mutual Wealth Management
443
Northwestern Mutual Wealth Management
Wisconsin
$1.04M
Los Angeles Capital Management
444
Los Angeles Capital Management
California
$1.04M
AAP
445
Arax Advisory Partners
Colorado
$1.04M
LNWTC
446
Laird Norton Wetherby Trust Company
Washington
$1.02M
SI
447
Stephens Inc
Arkansas
$1.02M
HIS
448
Harvest Investment Services
Illinois
$1M
GRP
449
Global Retirement Partners
California
$992K
TSW
450
Three Seasons Wealth
Utah
$991K