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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 101 funds opening new positions, 184 increasing their positions, 184 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
542
Holders Change
+11
Holders Change %
+2.07%
% 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
101
Increased
184
Reduced
184
Closed
80
Calls
$184M
Puts
$149M
Net Calls
+$35.2M
Net Calls Change
-$20.2M

Top Buyers

1
William Blair Investment Management
William Blair Investment Management
Illinois
$121M
2
Capital World Investors
Capital World Investors
California
$112M
3
Point72 Asset Management
Point72 Asset Management
Connecticut
$120M
4
WP
Woodline Partners
California
$49.2M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$51.4M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$70.7M
2
SPC
Slate Path Capital
New York
$0
3
Fidelity International
Fidelity International
Bermuda
$0
4
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
$229M
5
PCH
Polar Capital Holdings
United Kingdom
$74.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Mackenzie Financial
326
Mackenzie Financial
Ontario, Canada
$476K – – –
SCM
327
Sterling Capital Management
North Carolina
$475K -$655K -10,834 -58%
Baird Financial Group
328
Baird Financial Group
Wisconsin
$466K -$570K -9,426 -55%
FB
329
Fulton Bank
Pennsylvania
$465K -$34.8K -576 -7%
FFL
330
Future Fund LLC
Illinois
$465K +$465K +7,700 New
GWM
331
Geneos Wealth Management
Colorado
$460K +$231K +3,824 +101%
SW
332
SkyOak Wealth
Michigan
$447K -$102K -1,687 -19%
BAM
333
Blueshift Asset Management
New Jersey
$439K +$439K +7,269 New
UFF
334
USA Financial Formulas
Michigan
$431K +$431K +7,126 New
PI
335
PFG Investments
New York
$419K +$51.4K +851 +14%
SF
336
Summit Financial
New Jersey
$412K +$906 +15 +0.2%
MSRPS
337
Maryland State Retirement & Pension System
Maryland
$407K -$57.8K -957 -12%
Nisa Investment Advisors
338
Nisa Investment Advisors
Missouri
$406K +$7.98K +132 +2%
FA
339
Fedenia Advisers
Wisconsin
$401K +$12.9K +213 +3%
KeyBank National Association
340
KeyBank National Association
Ohio
$397K -$18.4K -305 -4%
Jacobs Levy Equity Management
341
Jacobs Levy Equity Management
New Jersey
$395K +$395K +6,531 New
TL
342
Tradewinds LLC
North Carolina
$393K -$27.1K -449 -6%
Osaic Holdings
343
Osaic Holdings
Arizona
$389K +$166K +2,744 +74%
PA
344
PSI Advisors
Florida
$387K – – –
CIBC World Market
345
CIBC World Market
Ontario, Canada
$387K -$39.8K -659 -9%
CAM
346
Congress Asset Management
Massachusetts
$380K +$380K +6,293 New
OSAM
347
O'Shaughnessy Asset Management
Connecticut
$379K +$33.5K +555 +10%
QCG
348
Quadrant Capital Group
Ohio
$376K +$203K +3,354 +117%
S
349
SignatureFD
Georgia
$374K -$77.2K -1,278 -17%
GT
350
Greenleaf Trust
Michigan
$373K +$71.9K +1,190 +24%
12 13
14
15 16