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Ciena
CIEN

Overview Fund Activity

542 hedge funds and large institutions have $8.25B invested in Ciena in 2025 Q1 according to their latest regulatory filings, with 101 funds opening new positions, 184 increasing their positions, 184 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
542
Holders Change
+11
Holders Change %
+2.07%
% of All Funds
7.36%
Holding in Top 10
6
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-45.45%
% of All Funds
0.08%
New
101
Increased
184
Reduced
184
Closed
80
Calls
$184M
Puts
$149M
Net Calls
+$35.2M
Net Calls Change
-$20.2M

Top Buyers

1
William Blair Investment Management
William Blair Investment Management
Illinois
$121M
2
Capital World Investors
Capital World Investors
California
$112M
3
Point72 Asset Management
Point72 Asset Management
Connecticut
$120M
4
WP
Woodline Partners
California
$49.2M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$51.4M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$70.7M
2
SPC
Slate Path Capital
New York
$0
3
Fidelity International
Fidelity International
Bermuda
$0
4
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
$229M
5
PCH
Polar Capital Holdings
United Kingdom
$74.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
IMRF
201
Illinois Municipal Retirement Fund
Illinois
$2.03M – – –
EI
202
EAM Investors
California
$1.96M -$1.88M -31,034 -49%
CNAM
203
Campbell Newman Asset Management
Wisconsin
$1.94M -$9.19K -152 -0.5%
HCM
204
Hilton Capital Management
New York
$1.93M +$222K +3,670 +13%
Westfield Capital Management
205
Westfield Capital Management
Massachusetts
$1.92M – – –
Amundi
206
Amundi
France
$1.91M +$1.46M +25,986 +323%
NMIMC
207
Northwestern Mutual Investment Management Company
Wisconsin
$1.91M -$30.2K -499 -2%
Luther King Capital Management (LKCM)
208
Luther King Capital Management (LKCM)
Texas
$1.91M +$1.91M +31,530 New
VRS
209
Virginia Retirement Systems
Virginia
$1.9M +$1.9M +31,485 New
OQS
210
Occudo Quantitative Strategies
Florida
$1.84M +$1.1M +17,927 +149%
NMERB
211
New Mexico Educational Retirement Board
New Mexico
$1.83M – – –
KBC Group
212
KBC Group
Belgium
$1.82M -$1.09K -18 -0.1%
RIL
213
Rothschild Investment LLC
Illinois
$1.78M +$495K +8,189 +39%
KK
214
KLP Kapitalforvaltning
Norway
$1.78M +$6.04K +100 +0.3%
SP
215
SWS Partners
Ohio
$1.75M -$524K -8,678 -23%
OPERF
216
Oregon Public Employees Retirement Fund
Oregon
$1.75M -$29.9K -494 -2%
QCM
217
Quantinno Capital Management
New York
$1.73M -$80.1K -1,325 -4%
PP
218
Pacifica Partners
Canada
$1.73M -$168K -2,982 -9%
CCM
219
Cinctive Capital Management
New York
$1.71M +$1.71M +28,282 New
EAM
220
Eventide Asset Management
Massachusetts
$1.7M +$572K +9,456 +51%
Balyasny Asset Management
221
Balyasny Asset Management
Illinois
$1.7M +$227K +3,758 +15%
AIP
222
Ameritas Investment Partners
Nebraska
$1.69M -$58.4K -966 -3%
GGHC
223
Gilder Gagnon Howe & Co
New York
$1.68M +$1.68M +27,811 New
BEI
224
Benjamin Edwards Inc
Missouri
$1.53M +$61.8K +1,022 +4%
EGM
225
Engineers Gate Manager
New York
$1.5M +$1.5M +24,797 New
7 8
9
10 11