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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
GFA
326
Gifford Fong Associates
California
$2.87M
DF
327
Dedeker Financial
Minnesota
$2.85M +$2.36M +12,188 New
Federated Hermes
328
Federated Hermes
Pennsylvania
$2.84M -$129K -666 -5%
BBA
329
Baader Bank Aktiengesellschaft
Germany
$2.75M +$2.28M +11,738 New
PFA
330
Peak Financial Advisors
Colorado
$2.71M +$1.55M +8,003 +223%
EGM
331
Engineers Gate Manager
New York
$2.7M +$162K +837 +8%
CHP
332
Castle Hook Partners
New York
$2.68M +$1.89M +9,731 +557%
CIA
333
Concurrent Investment Advisors
Florida
$2.67M +$1.9M +9,772 +589%
ASN
334
Advisory Services Network
Georgia
$2.67M +$195K +1,003 +10%
FDCDDQ
335
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.62M +$123K +635 +6%
TM
336
Taproot Management
New York
$2.57M +$2.13M +10,988 New
CS
337
Candriam SCA
Luxembourg
$2.56M +$2.12M +10,937 New
VI
338
Vestcor Inc
New Brunswick, Canada
$2.52M +$1.73M +8,917 +477%
IMC Chicago
339
IMC Chicago
Illinois
$2.5M +$35.7K +184 +2%
AC
340
Allstate Corporation
Illinois
$2.48M +$2.06M +10,607 New
CAU
341
Caxton Associates (UK)
$2.46M +$2.04M +10,502 New
AC
342
Armistice Capital
New York
$2.43M +$2.02M +10,400 New
DF
343
Donoghue Forlines
Massachusetts
$2.42M +$2M +10,330 New
GP
344
Geneva Partners
Wisconsin
$2.42M +$2M +10,328 New
Jane Street
345
Jane Street
New York
$2.41M -$634K -3,268 -24%
SAM
346
Securian Asset Management
Minnesota
$2.4M -$59.6K -307 -3%
Mackenzie Financial
347
Mackenzie Financial
Ontario, Canada
$2.39M -$234K -1,208 -11%
MFG
348
Merit Financial Group
Georgia
$2.31M +$210K +1,080 +12%
FC
349
FORA Capital
Florida
$2.25M -$880K -4,534 -29%
IMCOOI
350
Investment Management Corp of Ontario (IMCO)
Canada
$2.25M +$1.87M +9,615 New