831 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 239 funds opening new positions, 246 increasing their positions, 275 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

9.08% more ownership

Funds ownership: 98.67%107.76% (+9.1%)

9% less call options, than puts

Call options by funds: $572M | Put options by funds: $627M

11% less repeat investments, than reductions

Existing positions increased: 246 | Existing positions reduced: 275

Holders
831
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
21
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$572M
Puts
$627M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
BFA
626
Beaumont Financial Advisors
Massachusetts
$302K
MAP
627
Moody Aldrich Partners
Massachusetts
$301K
PIM
628
Plato Investment Management
Australia
$298K
Susquehanna International Group
629
Susquehanna International Group
Pennsylvania
$297K
KIA
630
KCM Investment Advisors
California
$291K
LK
631
Lumbard & Kellner
New Hampshire
$291K
JTWM
632
Jackson Thornton Wealth Management
Alabama
$288K
AC
633
AlphaCore Capital
California
$286K
WANY
634
Wealthspire Advisors (New York)
New York
$282K
PS
635
Principal Securities
Iowa
$281K
RWC
636
Rare Wolf Capital
Washington
$279K
CF
637
Centaurus Financial
California
$276K
Hudson Bay Capital Management
638
Hudson Bay Capital Management
Connecticut
$274K
SOW
639
State of Wyoming
Wyoming
$269K
Aberdeen Group
640
Aberdeen Group
United Kingdom
$266K
HCMT
641
Highland Capital Management (Tennessee)
Tennessee
$263K
CPC
642
CFC Planning Company
Indiana
$263K
SP
643
SmartHarvest Portfolios
Washington
$262K
AFGAS
644
Allegiance Financial Group Advisory Services
Virginia
$262K
GA
645
Greenspring Advisors
Maryland
$260K
VF
646
Virtu Financial
New York
$259K
MC
647
Machina Capital
France
$257K
WA
648
Waddell & Associates
Tennessee
$257K
AWA
649
Aaron Wealth Advisors
Illinois
$254K
CIA
650
Capital Investment Advisors
Georgia
$250K