840 hedge funds and large institutions have $32.1B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 247 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:

9.2% more ownership

Funds ownership: 98.65%107.85% (+9.2%)

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
840
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
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
RS
626
Rakuten Securities
Japan
$319K
MM
627
MQS Management
New York
$317K
CI
628
Cigna Investments
Connecticut
$316K
4WM
629
44 Wealth Management
Oregon
$314K
CRC
630
Curi RMB Capital
Illinois
$309K
BFA
631
Beaumont Financial Advisors
Massachusetts
$302K
MAP
632
Moody Aldrich Partners
Massachusetts
$301K
PIM
633
Plato Investment Management
Australia
$298K
Susquehanna International Group
634
Susquehanna International Group
Pennsylvania
$297K
KIA
635
KCM Investment Advisors
California
$291K
LK
636
Lumbard & Kellner
New Hampshire
$291K
JTWM
637
Jackson Thornton Wealth Management
Alabama
$288K
AC
638
AlphaCore Capital
California
$286K
WANY
639
Wealthspire Advisors (New York)
New York
$282K
PS
640
Principal Securities
Iowa
$281K
RWC
641
Rare Wolf Capital
Washington
$279K
CF
642
Centaurus Financial
California
$276K
Hudson Bay Capital Management
643
Hudson Bay Capital Management
Connecticut
$274K
SOW
644
State of Wyoming
Wyoming
$269K
Aberdeen Group
645
Aberdeen Group
United Kingdom
$266K
AA
646
Armis Advisers
Georgia
$265K
HCMT
647
Highland Capital Management (Tennessee)
Tennessee
$263K
CPC
648
CFC Planning Company
Indiana
$263K
SP
649
SmartHarvest Portfolios
Washington
$262K
AFGAS
650
Allegiance Financial Group Advisory Services
Virginia
$262K