1,072 hedge funds and large institutions have $51.8B invested in Ciena in 2026 Q1 according to their latest regulatory filings, with 318 funds opening new positions, 310 increasing their positions, 364 reducing their positions, and 80 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

Funds holding:

26% more funds holding in top 10

Funds holding in top 10: 2329 (+6)

13.04% less ownership

Funds ownership: 107.91%94.88% (-13%)

15% less repeat investments, than reductions

Existing positions increased: 310 | Existing positions reduced: 364

Holders
1,072
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
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
AllianceBernstein
51
AllianceBernstein
Tennessee
$123M
Mitsubishi UFJ Asset Management
52
Mitsubishi UFJ Asset Management
Japan
$123M
AIM
53
Anatole Investment Management
Hong Kong
$122M
VGA
54
Vanguard Global Advisers
Pennsylvania
$121M
Raymond James Financial
55
Raymond James Financial
Florida
$118M
Barrow, Hanley, Mewhinney & Strauss
56
Barrow, Hanley, Mewhinney & Strauss
Texas
$117M
National Pension Service
57
National Pension Service
South Korea
$116M
Allianz Asset Management
58
Allianz Asset Management
Germany
$112M
Neuberger Berman Group
59
Neuberger Berman Group
New York
$112M
1832 Asset Management
60
1832 Asset Management
Ontario, Canada
$112M
Robeco Institutional Asset Management
61
Robeco Institutional Asset Management
Netherlands
$104M
Barclays
62
Barclays
United Kingdom
$103M
Royal Bank of Canada
63
Royal Bank of Canada
Ontario, Canada
$102M
FIA
64
Foundations Investment Advisors
Arizona
$99.6M
Janus Henderson Group
65
Janus Henderson Group
United Kingdom
$96.7M
ACM
66
Analog Century Management
New York
$96.1M
RhumbLine Advisers
67
RhumbLine Advisers
Massachusetts
$95.6M
VAM
68
Vanguard Asset Management
$94.9M
California Public Employees Retirement System
69
California Public Employees Retirement System
California
$92.4M
WRCM
70
Whale Rock Capital Management
Massachusetts
$89.8M
HSBC Holdings
71
HSBC Holdings
United Kingdom
$86.5M
MP
72
Munro Partners
Australia
$83.5M
WJWM
73
Williams Jones Wealth Management
New York
$83.4M
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$81.4M
Citigroup
75
Citigroup
New York
$77.7M