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853 hedge funds and large institutions have $32.2B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 258 funds opening new positions, 249 increasing their positions, 274 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

215% more first-time investments, than exits

New positions opened: 258 | Existing positions closed: 82

59% more capital invested

Capital invested by funds: $20.3B → $32.2B (+$11.9B)

44% more funds holding in top 10

Funds holding in top 10: 1623 (+7)

24% more funds holding

Funds holding: 688853 (+165)

9.27% more ownership

Funds ownership: 98.65%107.93% (+9.3%)

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: 249 | Existing positions reduced: 274

Holders
853
Holders Change
+165
Holders Change %
+23.98%
% of All Funds
10.38%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.28%
New
258
Increased
249
Reduced
274
Closed
82
Calls
$572M
Puts
$627M
Net Calls
-$55.1M
Net Calls Change
-$254M
Name Holding Trade Value Shares
Change
Change in
Stake
AI
226
Atria Investments
North Carolina
$6.99M +$552K +2,843 +11%
SA
227
Spear Advisors
New York
$6.95M +$5.76M +29,705 New
VCM
228
Voleon Capital Management
California
$6.94M +$2.09M +10,788 +57%
SLAM
229
Swiss Life Asset Management
$6.89M +$4.43M +22,822 +344%
PAS
230
Park Avenue Securities
New York
$6.87M -$1.72M -8,886 -23%
FAF
231
Fjarde Ap-fonden
Sweden
$6.85M +$5.68M +29,300 New
NMERB
232
New Mexico Educational Retirement Board
New Mexico
$6.83M -$213K -1,100 -4%
FLPIM
233
F.L. Putnam Investment Management
Massachusetts
$6.78M -$4.05M -20,863 -42%
OHIS
234
Oak Harvest Investment Services
Texas
$6.73M +$149K +767 +3%
Mercer Global Advisors
235
Mercer Global Advisors
Colorado
$6.69M +$847K +4,364 +18%
OPERF
236
Oregon Public Employees Retirement Fund
Oregon
$6.6M -$55.5K -286 -1%
DnB Asset Management
237
DnB Asset Management
Norway
$6.44M +$4.89M +25,225 +1,096%
Bank Julius Baer & Co
238
Bank Julius Baer & Co
Switzerland
$6.42M -$12.6M -64,922 -71%
RBI
239
Raiffeisen Bank International
Austria
$6.34M +$13.6K +70 +0.3%
FBFS
240
First Business Financial Services
Wisconsin
$6.25M +$152K +784 +3%
AIIMS
241
Analyst IMS Investment Management Services
Israel
$6.2M
Canada Pension Plan Investment Board
242
Canada Pension Plan Investment Board
Ontario, Canada
$6.2M -$8.17M -42,100 -61%
BAMF
243
BI Asset Management Fondsmaeglerselskab
Denmark
$6.17M +$5.12M +26,371 New
TCA
244
Tortoise Capital Advisors
Kansas
$6.08M +$2.61M +13,474 +107%
PCM
245
Prelude Capital Management
New York
$6.07M +$739K +3,809 +17%
AIP
246
Ameritas Investment Partners
Nebraska
$6.05M -$126K -649 -2%
BCI
247
Brinker Capital Investments
Pennsylvania
$5.89M +$1.17M +6,032 +31%
BCIM
248
British Columbia Investment Management
British Columbia, Canada
$5.85M +$4.86M +25,029 New
OAM
249
OP Asset Management
$5.84M +$4.84M +24,951 New
DCM
250
Dilation Capital Management
New York
$5.66M +$889K +4,580 +23%