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
OSAM
301
O'Shaughnessy Asset Management
Connecticut
$1.67M
STA
302
Summit Trail Advisors
New York
$1.67M
Truist Financial
303
Truist Financial
North Carolina
$1.65M
Mackenzie Financial
304
Mackenzie Financial
Ontario, Canada
$1.64M
SC
305
Shay Capital
New York
$1.6M
CFC
306
Coyle Financial Counsel
Illinois
$1.58M
US Bancorp
307
US Bancorp
Minnesota
$1.57M
EGM
308
Engineers Gate Manager
New York
$1.56M
FDCDDQ
309
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.54M
SAM
310
Securian Asset Management
Minnesota
$1.54M
ONGA
311
O'Neil Global Advisors
California
$1.54M
HSA
312
Hussman Strategic Advisors
Maryland
$1.53M
IMC Chicago
313
IMC Chicago
Illinois
$1.53M
ASN
314
Advisory Services Network
Georgia
$1.52M
SDIC
315
South Dakota Investment Council
South Dakota
$1.49M
JF
316
Joule Financial
Kentucky
$1.45M
RHJA
317
Rice Hall James & Associates
California
$1.42M
Corient Private Wealth
318
Corient Private Wealth
Florida
$1.38M
GC
319
GMT Capital
Georgia
$1.37M
PCM
320
Perkins Capital Management
Minnesota
$1.37M
SMH
321
Sanders Morris Harris
Texas
$1.36M
FPAS
322
Focus Partners Advisor Solutions
Missouri
$1.33M
VI
323
Versor Investments
New York
$1.33M
EH
324
Equitable Holdings
New York
$1.32M
CPM
325
Connective Portfolio Management
New York
$1.29M