840 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 247 funds opening new positions, 248 increasing their positions, 274 reducing their positions, and 81 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 funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9.2% more ownership

Funds ownership: 98.65%107.85% (+9.2%)

9% less call options, than puts

Call options by funds: $572M | Put options by funds: $627M

9% less repeat investments, than reductions

Existing positions increased: 248 | Existing positions reduced: 274

Holders
840
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$572M
Puts
$627M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Verition Fund Management
276
Verition Fund Management
Connecticut
$4.29M
KCM
277
Kornitzer Capital Management
Kansas
$4.24M
GIA
278
Gateway Investment Advisers
Ohio
$4.17M
BC
279
Burney Company
Virginia
$4.15M
WAM
280
Weiss Asset Management
Massachusetts
$4.15M
CAPTRUST Financial Advisors
281
CAPTRUST Financial Advisors
North Carolina
$4.13M
HighTower Advisors
282
HighTower Advisors
Illinois
$4.06M
SP
283
SWS Partners
Ohio
$3.99M
WLG
284
Williamson Legacy Group
Indiana
$3.9M
SFM
285
Systematic Financial Management
New Jersey
$3.9M
Pathstone Holdings
286
Pathstone Holdings
New Jersey
$3.88M
JGUA
287
John G. Ullman & Associates
New York
$3.86M
NAAA
288
New Age Alpha Advisors
New York
$3.84M
ET
289
Entropy Technologies
New York
$3.64M
SMDAM
290
Sumitomo Mitsui DS Asset Management
Japan
$3.58M
NA
291
Navellier & Associates
Nevada
$3.57M
Select Equity Group
292
Select Equity Group
New York
$3.53M
KAS
293
Kestra Advisory Services
Texas
$3.52M
VIM
294
Vinva Investment Management
Australia
$3.49M
Fidelity International
295
Fidelity International
Bermuda
$3.44M
Calamos Advisors
296
Calamos Advisors
Illinois
$3.43M
IAA
297
Independent Advisor Alliance
North Carolina
$3.42M
ECSS
298
Eurizon Capital SGR SpA
$3.41M
QCG
299
Quadrant Capital Group
Ohio
$3.36M
EI
300
Ethic Inc
New York
$3.33M