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
351
$373K
352
$372K
353
$369K
354
$366K
355
$363K
356
$363K
357
$355K
358
$348K
359
$340K
360
$335K
361
$329K
362
$329K
363
$320K
364
$320K
365
$319K
366
$309K
367
$302K
368
$302K
369
$299K
370
$298K
371
$298K
372
$290K
373
$288K
374
$276K
375
$276K