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1,080 hedge funds and large institutions have $51.8B invested in Ciena in 2026 Q1 according to their latest regulatory filings, with 319 funds opening new positions, 315 increasing their positions, 366 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

27% more funds holding

Funds holding: 8531,080 (+227)

12.96% less ownership

Funds ownership: 107.93%94.96% (-13%)

14% less repeat investments, than reductions

Existing positions increased: 315 | Existing positions reduced: 366

Holders
1,080
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$798M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
QL
701
Quarry LP
New York
$467K
HCM
702
Harvey Capital Management
Florida
$466K
Tudor Investment Corp
703
Tudor Investment Corp
Connecticut
$464K
SCA
704
Snowden Capital Advisors
New York
$463K
SCP
705
Sivia Capital Partners
California
$462K
LFA
706
Legacy Financial Advisors
Kentucky
$462K
Parallax Volatility Advisers
707
Parallax Volatility Advisers
California
$461K
ACB
708
Aristotle Capital Boston
Massachusetts
$459K
AG
709
Ascent Group
Virginia
$459K
LTM
710
Lotus Technology Management
Florida
$455K
EP
711
Essential Partners
California
$451K
AC
712
Aristeia Capital
Connecticut
$448K
AFGAS
713
Allegiance Financial Group Advisory Services
Virginia
$446K
GWP
714
Gateway Wealth Partners
Wisconsin
$443K
SP
715
SmartHarvest Portfolios
Washington
$443K
Bessemer Group
716
Bessemer Group
New Jersey
$441K
LSA
717
Leonteq Securities AG
Switzerland
$434K
FT
718
Fiduciary Trust
Massachusetts
$432K
CAM
719
Cresset Asset Management
Illinois
$432K
ADEF
720
ABS Direct Equity Fund
Connecticut
$431K
EI
721
Ellevest Inc
New York
$431K
UFF
722
USA Financial Formulas
Michigan
$429K
SWM
723
SeaCrest Wealth Management
New York
$424K
NL
724
NWAM LLC
Washington
$422K
BA
725
Bridgewater Advisors
New York
$418K