541 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, 185 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:

2.65% less ownership

Funds ownership: 98.66%96.01% (-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
541
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
301
$609K
302
$605K
303
$594K
304
$592K
305
$592K
306
$590K
307
$585K
308
$581K
309
$580K
310
$577K
311
$569K
312
$569K
313
$564K
314
$562K
315
$558K
316
$545K
317
$525K
318
$512K
319
$511K
320
$496K
321
$494K
322
$491K
323
$487K
324
$483K
325
$482K