834 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 241 funds opening new positions, 248 increasing their positions, 274 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:

9.15% more ownership

Funds ownership: 98.65%107.8% (+9.1%)

9% less call options, than puts

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

9% less repeat investments, than reductions

Existing positions increased: 248 | Existing positions reduced: 274

Holders
834
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
CRC
626
Curi RMB Capital
Illinois
$309K
BFA
627
Beaumont Financial Advisors
Massachusetts
$302K
MAP
628
Moody Aldrich Partners
Massachusetts
$301K
PIM
629
Plato Investment Management
Australia
$298K
Susquehanna International Group
630
Susquehanna International Group
Pennsylvania
$297K
KIA
631
KCM Investment Advisors
California
$291K
LK
632
Lumbard & Kellner
New Hampshire
$291K
JTWM
633
Jackson Thornton Wealth Management
Alabama
$288K
AC
634
AlphaCore Capital
California
$286K
WANY
635
Wealthspire Advisors (New York)
New York
$282K
PS
636
Principal Securities
Iowa
$281K
RWC
637
Rare Wolf Capital
Washington
$279K
CF
638
Centaurus Financial
California
$276K
Hudson Bay Capital Management
639
Hudson Bay Capital Management
Connecticut
$274K
SOW
640
State of Wyoming
Wyoming
$269K
Aberdeen Group
641
Aberdeen Group
United Kingdom
$266K
HCMT
642
Highland Capital Management (Tennessee)
Tennessee
$263K
CPC
643
CFC Planning Company
Indiana
$263K
SP
644
SmartHarvest Portfolios
Washington
$262K
AFGAS
645
Allegiance Financial Group Advisory Services
Virginia
$262K
GA
646
Greenspring Advisors
Maryland
$260K
VF
647
Virtu Financial
New York
$259K
MC
648
Machina Capital
France
$257K
WA
649
Waddell & Associates
Tennessee
$257K
AWA
650
Aaron Wealth Advisors
Illinois
$254K