840 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 247 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:

9.2% more ownership

Funds ownership: 98.65%107.85% (+9.2%)

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
840
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
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
HFS
401
Hantz Financial Services
Michigan
$1.44M
RIM
402
Rakuten Investment Management
Japan
$1.43M
FB
403
Fulton Bank
Pennsylvania
$1.43M
FAMI
404
Fideuram Asset Management (Ireland)
$1.38M
ALMGDA
405
AG2R La Mondiale Gestion d'Actifs
France
$1.38M
CIBC World Market
406
CIBC World Market
Ontario, Canada
$1.37M
SC
407
Stance Capital
Massachusetts
$1.35M
GT
408
Greenleaf Trust
Michigan
$1.34M
FPAS
409
Focus Partners Advisor Solutions
Missouri
$1.33M
ProShare Advisors
410
ProShare Advisors
Maryland
$1.32M
NDSIB
411
North Dakota State Investment Board
North Dakota
$1.32M
HIM
412
Hillsdale Investment Management
Ontario, Canada
$1.31M
RHJA
413
Rice Hall James & Associates
California
$1.3M
KF
414
Krilogy Financial
Missouri
$1.28M
FFA
415
Florida Financial Advisors
Florida
$1.28M
PI
416
PFG Investments
New York
$1.28M
VA
417
Verdad Advisers
Massachusetts
$1.27M
QCM
418
QRG Capital Management
Illinois
$1.27M
ATPW
419
Ashton Thomas Private Wealth
Arizona
$1.25M
FISPB
420
Fideuram - Intesa Sanpaolo Private Banking
$1.23M
SCM
421
Sandler Capital Management
New York
$1.23M
WWM
422
Walser Wealth Management
Florida
$1.22M
HS
423
HighVista Strategies
Massachusetts
$1.21M
ECM
424
Evergreen Capital Management
Washington
$1.21M
BPA
425
Beacon Pointe Advisors
California
$1.2M