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Ciena
CIEN

Overview Fund Activity

553 hedge funds and large institutions have $11.4B invested in Ciena in 2025 Q2 according to their latest regulatory filings, with 101 funds opening new positions, 195 increasing their positions, 177 reducing their positions, and 81 closing their positions.

Holders
553
Holders Change
+11
Holders Change %
+2.03%
% of All Funds
7.43%
Holding in Top 10
9
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+50%
% of All Funds
0.12%
New
101
Increased
195
Reduced
177
Closed
81
Calls
$165M
Puts
$105M
Net Calls
+$59.9M
Net Calls Change
+$24.7M

Top Buyers

1
JCAM
1
Jericho Capital Asset Management
New York
$109M
2
AM
2
Atreides Management
Massachusetts
$103M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$84M
4
VNIM
4
Vaughan Nelson Investment Management
Texas
$100M
5
RCM
5
Rokos Capital Management
United Kingdom
$81.1M

Top Sellers

1
Thrivent Financial for Lutherans
1
Thrivent Financial for Lutherans
Minnesota
$43.5M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$21.3M
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$0
4
UBS Group
4
UBS Group
Switzerland
$38.4M
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Acadian Asset Management
151
Acadian Asset Management
Massachusetts
$4.4M 54,106 -7,238 -12%
PFSRSONJ
152
Police & Firemen's Retirement System of New Jersey
New Jersey
$4.39M 54,009 +2,455 +5%
First Manhattan
153
First Manhattan
New York
$4.3M 52,872 -6,955 -12%
QCM
154
Quantinno Capital Management
New York
$4.29M 52,720 +24,022 +84%
State of New Jersey Common Pension Fund D
155
State of New Jersey Common Pension Fund D
New Jersey
$4.1M 50,404 -305 -0.6%
Arrowstreet Capital
156
Arrowstreet Capital
Massachusetts
$4.09M 50,298 -151,069 -75%
FLPIM
157
F.L. Putnam Investment Management
Massachusetts
$4.06M 49,959 +13,683 +38%
YCM
158
Yousif Capital Management
Michigan
$4.03M 49,549 -1,178 -2%
JFG
159
Jefferies Financial Group
New York
$4.02M 49,400 +49,400 New
NAAA
160
New Age Alpha Advisors
New York
$3.96M 48,636 -8,184 -14%
AI
161
Atria Investments
North Carolina
$3.96M 48,634 +8,413 +21%
BA
162
Bridgewater Associates
Connecticut
$3.9M 47,956 +47,956 New
Comerica Bank
163
Comerica Bank
Texas
$3.87M 47,539 +582 +1%
Ohio Public Employees Retirement System (OPERS)
164
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.83M 47,085 +240 +0.5%
Luther King Capital Management (LKCM)
165
Luther King Capital Management (LKCM)
Texas
$3.81M 46,820 +15,290 +48%
SIA
166
Sit Investment Associates
Minnesota
$3.8M 46,775 -1,425 -3%
PAS
167
Park Avenue Securities
New York
$3.75M 46,077 +4,351 +10%
TRSOTSOK
168
Teachers Retirement System of the State of Kentucky
Kentucky
$3.67M 45,104 – –
Victory Capital Management
169
Victory Capital Management
Texas
$3.66M 44,971 +5,571 +14%
IMRF
170
Illinois Municipal Retirement Fund
Illinois
$3.62M 44,555 +10,904 +32%
PA
171
Paralel Advisors
Colorado
$3.6M 44,211 -6,673 -13%
TI
172
Tidal Investments
Wisconsin
$3.54M 43,584 +9,575 +28%
Zurich Cantonal Bank
173
Zurich Cantonal Bank
Switzerland
$3.45M 42,414 +3,504 +9%
Robeco Institutional Asset Management
174
Robeco Institutional Asset Management
Netherlands
$3.44M 42,297 – –
Teacher Retirement System of Texas
175
Teacher Retirement System of Texas
Texas
$3.41M 41,968 -2,673 -6%
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7
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