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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 %
OAM
101
Oppenheimer Asset Management
New York
$11.8M 145,558 +27,356 +23%
CCM
102
Channing Capital Management
Illinois
$11.4M 139,622 +139,622 New
IIM
103
INTECH Investment Management
Florida
$11M 135,687 +113 +0.1%
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$10.8M 133,382 -195 -0.1%
BFM
105
Boothbay Fund Management
New York
$10.4M 128,276 -107,452 -46%
State of Wisconsin Investment Board
106
State of Wisconsin Investment Board
Wisconsin
$10.1M 124,351 -13,436 -10%
SAM
107
Silvercrest Asset Management
New York
$9.91M 121,811 +54,485 +81%
Two Sigma Investments
108
Two Sigma Investments
New York
$9.82M 120,804 -344,260 -74%
First Eagle Investment Management
109
First Eagle Investment Management
New York
$9.63M 118,349 +118,349 New
Prudential Financial
110
Prudential Financial
New Jersey
$9.28M 114,076 +10,105 +10%
DP
111
DDD Partners
Washington
$9.2M 113,135 +2,659 +2%
Bank Julius Baer & Co
112
Bank Julius Baer & Co
Switzerland
$8.98M 110,468 -665 -0.6%
WCM
113
Westerly Capital Management
California
$8.95M 110,000 -15,000 -12%
AAP
114
Ardsley Advisory Partners
Connecticut
$8.95M 110,000 +10,500 +11%
Manulife (Manufacturers Life Insurance)
115
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$8.65M 106,378 -5,468 -5%
Canada Life
116
Canada Life
Manitoba, Canada
$8.53M 104,784 -3,666 -3%
TA
117
Tectonic Advisors
Texas
$8.4M 103,319 +11,772 +13%
MCM
118
Maytus Capital Management
New York
$8.28M 101,808 +101,808 New
Stifel Financial
119
Stifel Financial
Missouri
$8.28M 101,798 -3,396 -3%
FSCM
120
Front Street Capital Management
Montana
$8.16M 100,296 -76 -0.1%
BCM
121
Bienville Capital Management
New York
$8.09M 99,476 +45,424 +84%
Twin Tree Management
122
Twin Tree Management
Texas
$7.89M 97,040 +49,841 +106%
ECM
123
ExodusPoint Capital Management
New York
$7.8M 95,865 +55,382 +137%
National Bank of Canada
124
National Bank of Canada
Quebec, Canada
$7.79M 95,781 +94,634 +8,251%
Connor, Clark & Lunn Investment Management (CC&L)
125
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.26M 89,223 -42,656 -32%
3 4
5
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