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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 %
A
351
AlphaQuest
New York
$372K +$304K +5,033 +451%
SMH
352
Sanders Morris Harris
Texas
$369K – – –
ProShare Advisors
353
ProShare Advisors
Maryland
$366K -$42.4K -702 -10%
VAS
354
Vestmark Advisory Solutions
Massachusetts
$363K +$137K +2,266 +61%
LIP
355
Lighthouse Investment Partners
Florida
$363K +$363K +6,000 New
PP
356
Prudential plc
United Kingdom
$355K +$50.7K +839 +17%
Focus Partners Wealth
357
Focus Partners Wealth
Massachusetts
$348K +$44.3K +733 +15%
QCM
358
QRG Capital Management
Illinois
$340K +$43.1K +713 +15%
MFG
359
Merit Financial Group
Georgia
$335K +$35.5K +587 +12%
SI
360
Stephens Inc
Arkansas
$329K +$58.9K +975 +22%
PAM
361
Panagora Asset Management
Massachusetts
$329K – – –
SCM
362
Shelton Capital Management
Colorado
$320K -$7.43K -123 -2%
Janney Montgomery Scott
363
Janney Montgomery Scott
Pennsylvania
$320K +$3.2K +53 +1%
AAM
364
Advisors Asset Management
Colorado
$309K +$95K +1,572 +44%
SRL
365
Scientech Research LLC
New Jersey
$302K +$302K +5,002 New
EH
366
Equitable Holdings
New York
$302K +$302K +4,996 New
Mirae Asset Global Investments
367
Mirae Asset Global Investments
South Korea
$299K -$649K -10,538 -68%
PA
368
Parallel Advisors
California
$298K +$10K +166 +3%
VF
369
Virtu Financial
New York
$298K -$1.93M -31,996 -87%
Lido Advisors
370
Lido Advisors
California
$290K +$7.61K +126 +3%
FTWA
371
Fifth Third Wealth Advisors
Ohio
$288K +$967 +16 +0.3%
CIBC Asset Management
372
CIBC Asset Management
Ontario, Canada
$276K +$5.68K +94 +2%
CCM
373
Coldstream Capital Management
Washington
$276K -$16.9K -279 -6%
BPA
374
Beacon Pointe Advisors
California
$274K +$16.4K +272 +6%
IFU
375
iSAM Funds (UK)
United Kingdom
$269K +$269K +4,444 New
13 14
15
16 17