675 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, 172 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: 559675 (+116)

1.14% less ownership

Funds ownership: 99.76%98.62% (-1.1%)

33% less repeat investments, than reductions

Existing positions increased: 172 | Existing positions reduced: 255

Holders
675
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
FMP
551
Financial Management Professionals
Texas
$156K
SS
552
Sunbelt Securities
Texas
$154K
SAM
553
Shell Asset Management
Netherlands
$152K
MCM
554
MAI Capital Management
Ohio
$147K
EPIM
555
Evelyn Partners Investment Management
$146K
PFBT
556
Parkside Financial Bank & Trust
Missouri
$135K
ST
557
Smithfield Trust
Pennsylvania
$132K
HNB
558
Huntington National Bank
Ohio
$124K
Optiver Holding
559
Optiver Holding
Netherlands
$124K
Nomura Asset Management
560
Nomura Asset Management
Japan
$122K
CSB
561
City State Bank
Iowa
$117K
SGK
562
Steigerwald Gordon & Koch
Virginia
$117K
JFA
563
JNBA Financial Advisors
Minnesota
$110K
IWA
564
Icon Wealth Advisors
Texas
$103K
GRP
565
Global Retirement Partners
California
$102K
MPWT
566
MassMutual Private Wealth & Trust
Connecticut
$94.2K
Bessemer Group
567
Bessemer Group
New Jersey
$93K
CT
568
Colonial Trust
South Carolina
$90.2K
PAS
569
Point72 Asia (Singapore)
Singapore
$87.9K
SAM
570
Smartleaf Asset Management
Massachusetts
$83.2K
WA
571
Westfuller Advisors
New York
$79K
WANY
572
Wealthspire Advisors (New York)
New York
$78.1K
MCM
573
Manchester Capital Management
Vermont
$72.8K
OCM
574
Orion Capital Management
California
$72.4K
TWC
575
TD Waterhouse Canada
Ontario, Canada
$69.8K