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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
PCM
376
Perkins Capital Management
Minnesota
$3.45M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
377
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.43M
BIG
378
Brooklyn Investment Group
New York
$3.36M
MFS
379
Mirabella Financial Services
United Kingdom
$3.34M
OQS
380
Occudo Quantitative Strategies
Florida
$3.32M
MSU
381
Mizuho Securities USA
New York
$3.31M
KFA
382
Krane Funds Advisors
New York
$3.3M
TA
383
TKG Advisors
Indiana
$3.24M
KPWS
384
Kestra Private Wealth Services
Texas
$3.21M
NB
385
Norinchukin Bank
Japan
$3.2M
AC
386
Armistice Capital
New York
$3.16M
HIMCH
387
Hartford Investment Management Co (HIMCO)
Connecticut
$3.13M
Thrivent Financial for Lutherans
388
Thrivent Financial for Lutherans
Minnesota
$3.11M
PWM
389
Parkway Wealth Management
Texas
$3.05M
SFA
390
Sequoia Financial Advisors
Ohio
$3M
EC
391
Estate Counselors
Wisconsin
$2.94M
DF
392
Donoghue Forlines
Massachusetts
$2.92M
OIMU
393
Osmosis Investment Management UK
United Kingdom
$2.92M
QT
394
Quantbot Technologies
New York
$2.86M
Blackstone Inc
395
Blackstone Inc
New York
$2.82M
Lido Advisors
396
Lido Advisors
California
$2.81M
LSERS
397
Louisiana State Employees Retirement System
Louisiana
$2.8M
Truist Financial
398
Truist Financial
North Carolina
$2.78M
WA
399
Win Advisors
Florida
$2.76M
Cambridge Investment Research Advisors
400
Cambridge Investment Research Advisors
Iowa
$2.75M