681 hedge funds and large institutions have $20.3B invested in Ciena in 2025 Q3 according to their latest regulatory filings, with 179 funds opening new positions, 175 increasing their positions, 258 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

21% more funds holding

Funds holding: 562681 (+119)

1.11% less ownership

Funds ownership: 99.77%98.65% (-1.1%)

32% less repeat investments, than reductions

Existing positions increased: 175 | Existing positions reduced: 258

Holders
681
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
16
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$419M
Puts
$220M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SLAM
351
Swiss Life Asset Management
$967K
AAM
352
Advisors Asset Management
Colorado
$961K
IWC
353
Integrated Wealth Concepts
Massachusetts
$961K
CPBTD
354
Central Pacific Bank - Trust Division
Hawaii
$958K
Nisa Investment Advisors
355
Nisa Investment Advisors
Missouri
$943K
CAM
356
Congress Asset Management
Massachusetts
$938K
VA
357
Vident Advisory
Georgia
$927K
PA
358
PSI Advisors
Florida
$922K
CIP
359
Cornerstone Investment Partners
Georgia
$920K
Wolverine Trading
360
Wolverine Trading
Illinois
$892K
KF
361
Krilogy Financial
Missouri
$881K
ProShare Advisors
362
ProShare Advisors
Maryland
$876K
CIBC World Market
363
CIBC World Market
Ontario, Canada
$873K
PAM
364
Panagora Asset Management
Massachusetts
$814K
S
365
SignatureFD
Georgia
$806K
ATPW
366
Ashton Thomas Private Wealth
Arizona
$805K
ECM
367
Evergreen Capital Management
Washington
$799K
JCM
368
Janney Capital Management
Pennsylvania
$784K
GT
369
Greenleaf Trust
Michigan
$778K
SRL
370
Scientech Research LLC
New Jersey
$761K
PA
371
Parallel Advisors
California
$738K
SFFS
372
Stonehage Fleming Financial Services
Jersey
$737K
OAM
373
Ostrum Asset Management
France
$736K
SCM
374
Shelton Capital Management
Colorado
$734K
A
375
AlphaQuest
New York
$730K