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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 %
XT
176
XTX Topco
Cayman Islands
$3.39M 41,658 -33,661 -45%
MAM
177
Madison Asset Management
Wisconsin
$3.38M 41,543 +441 +1%
ASRS
178
Arizona State Retirement System
Arizona
$3.37M 41,484 +719 +2%
AAIS
179
ABN AMRO Investment Solutions
$3.37M 41,381 -160 -0.4%
LSERS
180
Louisiana State Employees Retirement System
Louisiana
$3.25M 40,000 +200 +0.5%
DSCM
181
Divisadero Street Capital Management
Florida
$3.25M 40,000 +40,000 New
WAM
182
Weiss Asset Management
Massachusetts
$3.23M 39,759 +1,869 +5%
HCM
183
Hilton Capital Management
New York
$3.22M 39,603 +7,620 +24%
HCA
184
Harbour Capital Advisors
Virginia
$3.22M 40,475 -80 -0.2%
GGHC
185
Gilder Gagnon Howe & Co
New York
$3.07M 37,716 +9,905 +36%
Handelsbanken Fonder
186
Handelsbanken Fonder
Sweden
$3.03M 37,262 -1,800 -5%
COPPSERS
187
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.97M 36,522 +2,550 +8%
RBI
188
Raiffeisen Bank International
Austria
$2.94M 36,980 -12,200 -25%
SC
189
Savant Capital
Illinois
$2.91M 35,775 +912 +3%
OHIS
190
Oak Harvest Investment Services
Texas
$2.88M 35,445 +35,445 New
Bank of Montreal
191
Bank of Montreal
Ontario, Canada
$2.86M 35,185 -22,870 -39%
BEI
192
Benjamin Edwards Inc
Missouri
$2.85M 34,995 +9,673 +38%
CNAM
193
Campbell Newman Asset Management
Wisconsin
$2.8M 34,442 +2,289 +7%
FFL
194
Future Fund LLC
Illinois
$2.79M 34,280 +26,580 +345%
SOMRS
195
State of Michigan Retirement System
Michigan
$2.78M 34,196 +200 +0.6%
Westfield Capital Management
196
Westfield Capital Management
Massachusetts
$2.58M 31,750 – –
NMIMC
197
Northwestern Mutual Investment Management Company
Wisconsin
$2.58M 31,738 +139 +0.4%
Kovitz Investment Group Partners
198
Kovitz Investment Group Partners
Illinois
$2.57M 31,568 -10,143 -24%
HSA
199
Hussman Strategic Advisors
Maryland
$2.56M 31,500 +31,500 New
VRS
200
Virginia Retirement Systems
Virginia
$2.55M 31,385 -100 -0.3%
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