678 hedge funds and large institutions have $20.3B invested in Ciena in 2025 Q3 according to their latest regulatory filings, with 180 funds opening new positions, 175 increasing their positions, 255 reducing their positions, and 47 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: 560678 (+118)

1.13% less ownership

Funds ownership: 99.76%98.63% (-1.1%)

31% less repeat investments, than reductions

Existing positions increased: 175 | Existing positions reduced: 255

Holders
678
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
RBI
226
Raiffeisen Bank International
Austria
$3.82M
CCS
227
Concentric Capital Strategies
Connecticut
$3.82M
FBFS
228
First Business Financial Services
Wisconsin
$3.78M
EWA
229
EverSource Wealth Advisors
Alabama
$3.75M
Walleye Capital
230
Walleye Capital
New York
$3.63M
Cetera Investment Advisers
231
Cetera Investment Advisers
Illinois
$3.63M
GIM
232
Granahan Investment Management
Massachusetts
$3.59M
WAM
233
Weiss Asset Management
Massachusetts
$3.55M
Mercer Global Advisors
234
Mercer Global Advisors
Colorado
$3.53M
EWS
235
Evergreen Wealth Solutions
Pennsylvania
$3.52M
URS
236
Utah Retirement Systems
Utah
$3.39M
EAM
237
Eventide Asset Management
Massachusetts
$3.24M
PCM
238
Prelude Capital Management
New York
$3.23M
HighTower Advisors
239
HighTower Advisors
Illinois
$3.22M
PCMH
240
Polymer Capital Management (HK)
Hong Kong
$3.17M
EP
241
Edgestream Partners
New Jersey
$3.15M
Two Sigma Investments
242
Two Sigma Investments
New York
$3.07M
GIA
243
Gateway Investment Advisers
Ohio
$3.07M
Sumitomo Mitsui Trust Group
244
Sumitomo Mitsui Trust Group
Japan
$3.07M
CAPTRUST Financial Advisors
245
CAPTRUST Financial Advisors
North Carolina
$3.02M
BCM
246
Bayesian Capital Management
New York
$2.99M
Pictet Asset Management
247
Pictet Asset Management
Switzerland
$2.99M
RP
248
Riverwater Partners
Wisconsin
$2.92M
SP
249
SWS Partners
Ohio
$2.89M
DCM
250
Dilation Capital Management
New York
$2.86M