1,073 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, 311 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: 311 | Existing positions reduced: 364

Holders
1,073
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
VPIM
251
Vanguard Personalized Indexing Management
California
$8.56M
Fidelity International
252
Fidelity International
Bermuda
$8.47M
Wealthfront Advisers
253
Wealthfront Advisers
California
$8.42M
VAM
254
VMS Asset Management
$8.4M
IRP
255
Investment Research Partners
Pennsylvania
$8.06M
EF
256
Empowered Funds
Pennsylvania
$8.02M
PAS
257
Park Avenue Securities
New York
$7.99M
Calamos Advisors
258
Calamos Advisors
Illinois
$7.98M
EWA
259
EverSource Wealth Advisors
Alabama
$7.96M
FDCDDQ
260
Federation des caisses Desjardins du Quebec
Quebec, Canada
$7.86M
NIM
261
NEOS Investment Management
Connecticut
$7.83M
RIM
262
Rakuten Investment Management
Japan
$7.63M
NYLIM
263
New York Life Investment Management
New York
$7.6M
William Blair & Company
264
William Blair & Company
Illinois
$7.57M
BCIM
265
British Columbia Investment Management
British Columbia, Canada
$7.54M
ECSS
266
Eurizon Capital SGR SpA
$7.46M
GC
267
Guggenheim Capital
Illinois
$7.45M
XT
268
XTX Topco
Cayman Islands
$7.45M
HighTower Advisors
269
HighTower Advisors
Illinois
$7.42M
SMDAM
270
Sumitomo Mitsui DS Asset Management
Japan
$7.37M
Macquarie Group
271
Macquarie Group
Australia
$7.34M
II
272
Inspire Investing
Idaho
$7.29M
TA
273
Tectonic Advisors
Texas
$7.21M
Pathstone Holdings
274
Pathstone Holdings
New Jersey
$7.21M
BCI
275
Brinker Capital Investments
Pennsylvania
$7.2M