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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
LSERS
201
Louisiana State Employees Retirement System
Louisiana
$9.12M -$77.6K -400 -1%
ASRS
202
Arizona State Retirement System
Arizona
$9.06M -$603K -3,110 -7%
Comerica Bank
203
Comerica Bank
Texas
$8.88M -$604K -3,111 -8%
Pacer Advisors
204
Pacer Advisors
Pennsylvania
$8.7M +$1.97M +10,153 +38%
DB
205
Danske Bank
Denmark
$8.58M +$6.79M +35,000 +2,059%
ACB
206
Aristotle Capital Boston
Massachusetts
$8.56M -$3.33M -17,176 -32%
MLCM
207
M & L Capital Management
United Kingdom
$8.48M +$6.08M +31,350 +640%
GGHC
208
Gilder Gagnon Howe & Co
New York
$8.43M -$360K -1,857 -5%
Bank of Montreal
209
Bank of Montreal
Ontario, Canada
$8.39M +$596K +3,073 +9%
COPPSERS
210
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$8.26M -$191K -984 -3%
Thrivent Financial for Lutherans
211
Thrivent Financial for Lutherans
Minnesota
$8.06M -$2.89M -14,900 -30%
SOMRS
212
State of Michigan Retirement System
Michigan
$7.79M -$77.6K -400 -1%
Renaissance Technologies
213
Renaissance Technologies
New York
$7.62M +$6.32M +32,600 New
Mirae Asset Global Investments
214
Mirae Asset Global Investments
South Korea
$7.57M +$6.28M +32,363 New
IC
215
IEQ Capital
California
$7.5M -$1.35M -6,980 -18%
MCM
216
Maytus Capital Management
New York
$7.48M +$6.21M +32,000 New
Cetera Investment Advisers
217
Cetera Investment Advisers
Illinois
$7.48M +$1.37M +7,085 +28%
Westfield Capital Management
218
Westfield Capital Management
Massachusetts
$7.43M
NMIMC
219
Northwestern Mutual Investment Management Company
Wisconsin
$7.38M +$9.51K +49 +0.2%
Impax Asset Management Group
220
Impax Asset Management Group
United Kingdom
$7.31M -$15.3M -79,000 -72%
KBC Group
221
KBC Group
Belgium
$7.29M +$612K +3,156 +11%
IGAM
222
iA Global Asset Management
Quebec, Canada
$7.16M +$5.94M +30,630 New
II
223
IFM Investors
Australia
$7.08M +$5.88M +30,284 New
Man Group
224
Man Group
United Kingdom
$7.04M -$4.64M -23,924 -44%
JCM
225
JAT Capital Management
Connecticut
$7.02M +$3.3M +17,000 +131%