543 hedge funds and large institutions have $8.25B invested in Ciena in 2025 Q1 according to their latest regulatory filings, with 99 funds opening new positions, 184 increasing their positions, 186 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

2.64% less ownership

Funds ownership: 98.66%96.02% (-2.6%)

31% less capital invested

Capital invested by funds: $11.9B → $8.25B (-$3.64B)

45% less funds holding in top 10

Funds holding in top 10: 116 (-5)

Holders
543
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$184M
Puts
$149M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
376
$274K
377
$269K
378
$267K
379
$261K
380
$260K
381
$256K
382
$251K
383
$249K
384
$246K
385
$234K
386
$231K
387
$231K
388
$229K
389
$228K
390
$228K
391
$226K
392
$223K
393
$219K
394
$215K
395
$213K
396
$209K
397
$207K
398
$206K
399
$203K
400
$202K