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
STA
301
Summit Trail Advisors
New York
$1.67M
Truist Financial
302
Truist Financial
North Carolina
$1.65M
Mackenzie Financial
303
Mackenzie Financial
Ontario, Canada
$1.64M
SC
304
Shay Capital
New York
$1.6M
CFC
305
Coyle Financial Counsel
Illinois
$1.58M
US Bancorp
306
US Bancorp
Minnesota
$1.57M
EGM
307
Engineers Gate Manager
New York
$1.56M
FDCDDQ
308
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.54M
SAM
309
Securian Asset Management
Minnesota
$1.54M
ONGA
310
O'Neil Global Advisors
California
$1.54M
HSA
311
Hussman Strategic Advisors
Maryland
$1.53M
IMC Chicago
312
IMC Chicago
Illinois
$1.53M
ASN
313
Advisory Services Network
Georgia
$1.52M
SDIC
314
South Dakota Investment Council
South Dakota
$1.49M
JF
315
Joule Financial
Kentucky
$1.45M
RHJA
316
Rice Hall James & Associates
California
$1.42M
Corient Private Wealth
317
Corient Private Wealth
Florida
$1.38M
GC
318
GMT Capital
Georgia
$1.37M
PCM
319
Perkins Capital Management
Minnesota
$1.37M
SMH
320
Sanders Morris Harris
Texas
$1.36M
FPAS
321
Focus Partners Advisor Solutions
Missouri
$1.33M
VI
322
Versor Investments
New York
$1.33M
EH
323
Equitable Holdings
New York
$1.32M
CPM
324
Connective Portfolio Management
New York
$1.29M
MFG
325
Merit Financial Group
Georgia
$1.28M