686 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, 174 increasing their positions, 261 reducing their positions, and 48 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: $ → $

22% more funds holding

Funds holding: 562686 (+124)

0.98% less ownership

Funds ownership: 99.63%98.65% (-0.98%)

33% less repeat investments, than reductions

Existing positions increased: 174 | Existing positions reduced: 261

Holders
686
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

Top Sellers

1 -$221M
2 -$213M
3 -$150M
4
IAM
Ion Asset Management
Israel
-$102M
5
SM
Senvest Management
New York
-$80.2M
Name Holding Trade Value Shares
Change
Change in
Stake
GCS
551
Gordian Capital (Singapore)
Singapore
$175K
QL
552
Quarry LP
New York
$170K
WC
553
Wexford Capital
Florida
$170K
CTC
554
Central Trust Company
Missouri
$165K
BTI
555
Blue Trust Inc
Georgia
$161K
WSFS
556
Wilmington Savings Fund Society
Delaware
$157K
FMP
557
Financial Management Professionals
Texas
$156K
SS
558
Sunbelt Securities
Texas
$154K
SAM
559
Shell Asset Management
Netherlands
$152K
MCM
560
MAI Capital Management
Ohio
$147K
EPIM
561
Evelyn Partners Investment Management
$146K
IA
562
IFP Advisors
Florida
$144K
PFBT
563
Parkside Financial Bank & Trust
Missouri
$135K
ST
564
Smithfield Trust
Pennsylvania
$132K
HNB
565
Huntington National Bank
Ohio
$124K
Optiver Holding
566
Optiver Holding
Netherlands
$124K
Nomura Asset Management
567
Nomura Asset Management
Japan
$122K
CSB
568
City State Bank
Iowa
$117K
SGK
569
Steigerwald Gordon & Koch
Virginia
$117K
JFA
570
JNBA Financial Advisors
Minnesota
$110K
LSA
571
Leonteq Securities AG
Switzerland
$107K
IWA
572
Icon Wealth Advisors
Texas
$103K
GRP
573
Global Retirement Partners
California
$102K
MPWT
574
MassMutual Private Wealth & Trust
Connecticut
$94.2K
Bessemer Group
575
Bessemer Group
New Jersey
$93K