CIEN icon

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.

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 Market Value Shares Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$57.6M 952,805 -7,026 -0.7%
Qube Research & Technologies (QRT)
27
Qube Research & Technologies (QRT)
United Kingdom
$51.4M 849,833 +771,463 +984%
HRCM
28
Hood River Capital Management
Florida
$51.2M 847,682 +291,433 +52%
ACM
29
Analog Century Management
New York
$50.8M 841,311 +208,509 +33%
Janus Henderson Group
30
Janus Henderson Group
United Kingdom
$49.8M 808,599 +78,877 +11%
Diamond Hill Capital Management
31
Diamond Hill Capital Management
Ohio
$49.7M 823,081 -58,050 -7%
WP
32
Woodline Partners
California
$49.2M 814,514 +814,514 New
Wealth Enhancement Advisory Services
33
Wealth Enhancement Advisory Services
Minnesota
$49M 811,011 -3,170 -0.4%
SIMG
34
Stephens Investment Management Group
Texas
$41.1M 680,837 +8,777 +1%
Millennium Management
35
Millennium Management
New York
$38.3M 634,051 +402,879 +174%
Alyeska Investment Group
36
Alyeska Investment Group
Illinois
$36.1M 596,830 +139,926 +31%
Marshall Wace
37
Marshall Wace
United Kingdom
$33.9M 561,173 -338,655 -38%
First Trust Advisors
38
First Trust Advisors
Illinois
$32.8M 543,145 +11,767 +2%
AQR Capital Management
39
AQR Capital Management
Connecticut
$32.1M 543,628 -51,552 -9%
UBS AM
40
UBS AM
Illinois
$30.7M 508,787 -73,997 -13%
Raymond James Financial
41
Raymond James Financial
Florida
$29.5M 488,162 +5,682 +1%
Primecap Management
42
Primecap Management
California
$28.9M 478,550 +14,870 +3%
Axa
43
Axa
France
$28.3M 469,097 -10,838 -2%
Two Sigma Investments
44
Two Sigma Investments
New York
$28.1M 465,064 +422,667 +997%
DG
45
DigitalBridge Group
Florida
$27.5M 455,065 -39,172 -8%
TCP
46
ThornTree Capital Partners
Massachusetts
$26.2M 433,489 -178,503 -29%
AllianceBernstein
47
AllianceBernstein
Tennessee
$26.1M 431,517 -11,816 -3%
NGM
48
North Growth Management
British Columbia, Canada
$26M 429,000 -29,000 -6%
Loomis, Sayles & Company
49
Loomis, Sayles & Company
Massachusetts
$25.4M 420,901 -9,609 -2%
OCM
50
Oribel Capital Management
New York
$25.1M 415,400 +415,400 New
1
2
3 4 5