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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 %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$92.3M 1,135,491 -44,228 -4%
Balyasny Asset Management
27
Balyasny Asset Management
Illinois
$84M 1,032,393 +1,004,323 +3,578%
RCM
28
Rokos Capital Management
United Kingdom
$81.1M 997,425 +843,235 +547%
Charles Schwab
29
Charles Schwab
California
$77.8M 956,593 +3,788 +0.4%
ACM
30
Analog Century Management
New York
$73.1M 898,981 +57,670 +7%
WRCM
31
Whale Rock Capital Management
Massachusetts
$68M 835,848 +835,848 New
Wealth Enhancement Advisory Services
32
Wealth Enhancement Advisory Services
Minnesota
$66.2M 813,979 +2,968 +0.4%
Assenagon Asset Management
33
Assenagon Asset Management
Luxembourg
$64M 787,266 +747,576 +1,884%
Diamond Hill Capital Management
34
Diamond Hill Capital Management
Ohio
$61.5M 756,571 -66,510 -8%
Janus Henderson Group
35
Janus Henderson Group
United Kingdom
$59.5M 731,585 -77,014 -10%
SIMG
36
Stephens Investment Management Group
Texas
$54.6M 671,152 -9,685 -1%
UBS AM
37
UBS AM
Illinois
$54M 663,862 +155,075 +30%
Primecap Management
38
Primecap Management
California
$45.1M 554,500 +75,950 +16%
Thrivent Financial for Lutherans
39
Thrivent Financial for Lutherans
Minnesota
$43.5M 534,254 -1,283,357 -71%
First Trust Advisors
40
First Trust Advisors
Illinois
$42.3M 519,727 -23,418 -4%
FGP
41
Freestone Grove Partners
California
$41.4M 509,409 +509,409 New
Goldman Sachs
42
Goldman Sachs
New York
$40.6M 498,830 +276,776 +125%
Raymond James Financial
43
Raymond James Financial
Florida
$40.3M 495,289 +7,127 +1%
American Century Companies
44
American Century Companies
Missouri
$38.9M 478,756 +429,780 +878%
UBS Group
45
UBS Group
Switzerland
$38.4M 472,023 -547,925 -54%
CRM
46
Cramer Rosenthal McGlynn
Connecticut
$37.9M 465,491 +66,518 +17%
WP
47
Woodline Partners
California
$35.3M 434,502 -380,012 -47%
NGM
48
North Growth Management
British Columbia, Canada
$33.1M 407,000 -22,000 -5%
SCM
49
SG Capital Management
Illinois
$32.9M 404,735 +404,735 New
Envestnet Asset Management
50
Envestnet Asset Management
Illinois
$32.4M 400,627 +41,166 +11%
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