678 hedge funds and large institutions have $20.3B invested in Ciena in 2025 Q3 according to their latest regulatory filings, with 180 funds opening new positions, 175 increasing their positions, 255 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

21% more funds holding

Funds holding: 560678 (+118)

1.13% less ownership

Funds ownership: 99.76%98.63% (-1.1%)

31% less repeat investments, than reductions

Existing positions increased: 175 | Existing positions reduced: 255

Holders
678
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
16
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$419M
Puts
$220M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VPIM
251
Vanguard Personalized Indexing Management
California
$2.82M
CMF
252
Counterpoint Mutual Funds
California
$2.82M
BCI
253
Brinker Capital Investments
Pennsylvania
$2.79M
SMTF
254
Sphera Management Technology Funds
Israel
$2.77M
P
255
&Partners
Tennessee
$2.76M
VCM
256
Voleon Capital Management
California
$2.75M
JG
257
Jain Global
New York
$2.74M
GC
258
Guggenheim Capital
Illinois
$2.74M
Commonwealth Equity Services
259
Commonwealth Equity Services
Massachusetts
$2.72M
William Blair & Company
260
William Blair & Company
Illinois
$2.7M
SAM
261
Strategy Asset Managers
California
$2.67M
OQS
262
Occudo Quantitative Strategies
Florida
$2.65M
BC
263
Burney Company
Virginia
$2.61M
Pathstone Holdings
264
Pathstone Holdings
New Jersey
$2.51M
PP
265
Pacifica Partners
Canada
$2.48M
MML Investors Services
266
MML Investors Services
Massachusetts
$2.45M
JGUA
267
John G. Ullman & Associates
New York
$2.43M
X
268
Xponance
Pennsylvania
$2.37M
KAS
269
Kestra Advisory Services
Texas
$2.36M
RIL
270
Rothschild Investment LLC
Illinois
$2.32M
FC
271
FORA Capital
Florida
$2.31M
BEI
272
Benjamin Edwards Inc
Missouri
$2.25M
WLG
273
Williamson Legacy Group
Indiana
$2.23M
Axa
274
Axa
France
$2.22M
SOADOR
275
State of Alaska Department of Revenue
Alaska
$2.21M