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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.

New
Increased
Maintained
Reduced
Closed
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 %
CRM
51
Cramer Rosenthal McGlynn
Connecticut
$24.1M -$1.67M -27,653 -6%
Citadel Advisors
52
Citadel Advisors
Florida
$23.7M -$3.2M -52,915 -12%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$23M -$531K -8,788 -2%
Envestnet Asset Management
54
Envestnet Asset Management
Illinois
$21.7M -$187K -3,097 -0.9%
Capital Fund Management (CFM)
55
Capital Fund Management (CFM)
France
$21.6M +$11.7M +192,831 +117%
Invesco
56
Invesco
Georgia
$20.1M -$7.49K -124 -0%
Citigroup
57
Citigroup
New York
$19.9M +$3.35M +55,402 +20%
Principal Financial Group
58
Principal Financial Group
Iowa
$19.8M -$248K -4,105 -1%
1SAMC
59
12th Street Asset Management Company
Tennessee
$18.7M +$25.5K +422 +0.1%
Renaissance Technologies
60
Renaissance Technologies
New York
$18.7M +$18.7M +309,174 New
Deutsche Bank
61
Deutsche Bank
Germany
$18.5M +$1.23M +20,307 +7%
CSS
62
Cubist Systematic Strategies
Connecticut
$18.5M +$18.5M +305,767 New
TAM
63
Talos Asset Management
New York
$18M +$18M +297,162 New
Legal & General Group
64
Legal & General Group
United Kingdom
$17.9M +$218K +3,614 +1%
Swiss National Bank
65
Swiss National Bank
Switzerland
$16.6M -$526K -8,700 -3%
WJWM
66
Williams Jones Wealth Management
New York
$16.3M +$382K +6,318 +2%
FWIA
67
Fort Washington Investment Advisors
Ohio
$15.9M +$2.03M +33,666 +15%
VNIM
68
Vaughan Nelson Investment Management
Texas
$15.7M -$32.6M -539,642 -67%
Grantham, Mayo, Van Otterloo & Co (GMO)
69
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$15.3M -$17.6M -290,703 -53%
SEI Investments
70
SEI Investments
Pennsylvania
$15.1M +$5.58M +92,407 +59%
BCM
71
Becker Capital Management
Oregon
$14.6M -$344K -5,691 -2%
Wells Fargo
72
Wells Fargo
California
$14.4M -$1.14M -18,939 -7%
BFM
73
Boothbay Fund Management
New York
$14.2M +$1.25M +20,701 +10%
California Public Employees Retirement System
74
California Public Employees Retirement System
California
$14.2M +$754K +12,485 +6%
PL
75
Perpetual Ltd
Australia
$14M -$7.45M -123,260 -35%
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