831 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 239 funds opening new positions, 246 increasing their positions, 275 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:

9.08% more ownership

Funds ownership: 98.67%107.76% (+9.1%)

9% less call options, than puts

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

11% less repeat investments, than reductions

Existing positions increased: 246 | Existing positions reduced: 275

Holders
831
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
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
GT
251
Glenmede Trust
Pennsylvania
$5.29M
CIP
252
Convergence Investment Partners
Florida
$5.27M
AC
253
Amitell Capital
Singapore
$5.23M
MML Investors Services
254
MML Investors Services
Massachusetts
$5.2M
Toronto Dominion Bank
255
Toronto Dominion Bank
Ontario, Canada
$5.15M
X
256
Xponance
Pennsylvania
$5.01M
Two Sigma Investments
257
Two Sigma Investments
New York
$4.93M
PFM
258
Premier Fund Managers
United Kingdom
$4.9M
Osaic Holdings
259
Osaic Holdings
Arizona
$4.87M
OSAM
260
O'Shaughnessy Asset Management
Connecticut
$4.8M
VPIM
261
Vanguard Personalized Indexing Management
California
$4.78M
Commonwealth Equity Services
262
Commonwealth Equity Services
Massachusetts
$4.77M
KCM
263
Kultura Capital Management
Utah
$4.75M
HCM
264
Hilton Capital Management
New York
$4.69M
JAM
265
Jupiter Asset Management
United Kingdom
$4.65M
Macquarie Group
266
Macquarie Group
Australia
$4.57M
GC
267
Guggenheim Capital
Illinois
$4.57M
PCM
268
Pinnbrook Capital Management
New York
$4.48M
MC
269
MIG Capital
California
$4.45M
EC
270
Estate Counselors
Wisconsin
$4.4M
SAM
271
Strategy Asset Managers
California
$4.36M
William Blair & Company
272
William Blair & Company
Illinois
$4.34M
EMPI
273
Elo Mutual Pension Insurance
Finland
$4.33M
Verition Fund Management
274
Verition Fund Management
Connecticut
$4.29M
KCM
275
Kornitzer Capital Management
Kansas
$4.24M