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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 102 funds opening new positions, 184 increasing their positions, 183 reducing their positions, and 80 closing their positions.

Holders
542
Holders Change
+12
Holders Change %
+2.26%
% 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
102
Increased
184
Reduced
183
Closed
80
Calls
$184M
Puts
$149M
Net Calls
+$35.2M
Net Calls Change
-$20.2M

Top Buyers

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

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$70.7M
2
SPC
2
Slate Path Capital
New York
$0
3
Fidelity International
3
Fidelity International
Bermuda
$0
4
Barrow, Hanley, Mewhinney & Strauss
4
Barrow, Hanley, Mewhinney & Strauss
Texas
$229M
5
PCH
5
Polar Capital Holdings
United Kingdom
$74.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
First Manhattan
151
First Manhattan
New York
$3.62M -$1.46M -24,217 -29%
LK
152
Lumbard & Kellner
New Hampshire
$3.56M -$324K -5,354 -8%
Bank of Montreal
153
Bank of Montreal
Ontario, Canada
$3.51M -$256K -4,242 -7%
NAAA
154
New Age Alpha Advisors
New York
$3.43M -$2M -33,082 -37%
SFM
155
Systematic Financial Management
New Jersey
$3.33M – – –
State of Tennessee, Department of Treasury
156
State of Tennessee, Department of Treasury
Tennessee
$3.28M +$334K +5,535 +11%
BCM
157
Bienville Capital Management
New York
$3.27M +$2.36M +39,085 +261%
Mariner
158
Mariner
Kansas
$3.2M +$221K +3,659 +7%
Ensign Peak Advisors
159
Ensign Peak Advisors
Utah
$3.16M +$323K +5,352 +11%
PFSRSONJ
160
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.12M -$11.3K -187 -0.4%
PA
161
Paralel Advisors
Colorado
$3.07M – – –
YCM
162
Yousif Capital Management
Michigan
$3.07M -$109K -1,798 -3%
State of New Jersey Common Pension Fund D
163
State of New Jersey Common Pension Fund D
New Jersey
$3.06M -$303K -5,015 -9%
RBI
164
Raiffeisen Bank International
Austria
$3.03M -$1.04M -16,901 -26%
American Century Companies
165
American Century Companies
Missouri
$2.96M +$258K +4,265 +10%
LPL Financial
166
LPL Financial
California
$2.95M +$656K +10,856 +29%
HSBC Holdings
167
HSBC Holdings
United Kingdom
$2.94M +$1.78M +29,758 +153%
SIA
168
Sit Investment Associates
Minnesota
$2.91M – – –
ACMH
169
Andar Capital Management (HK)
Hong Kong
$2.88M +$2.88M +47,690 New
Twin Tree Management
170
Twin Tree Management
Texas
$2.85M +$1.67M +27,597 +141%
Comerica Bank
171
Comerica Bank
Texas
$2.84M -$194K -3,211 -6%
Ohio Public Employees Retirement System (OPERS)
172
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.83M -$1.5M -24,749 -35%
DGM
173
Delta Global Management
New York
$2.81M +$2.81M +46,494 New
TRSOTSOK
174
Teachers Retirement System of the State of Kentucky
Kentucky
$2.73M – – –
Teacher Retirement System of Texas
175
Teacher Retirement System of Texas
Texas
$2.7M +$464K +7,673 +21%
5 6
7
8 9