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
301
$628K
302
$609K
303
$605K
304
$594K
305
$592K
306
$592K
307
$590K
308
$585K
309
$581K
310
$580K
311
$577K
312
$569K
313
$569K
314
$564K
315
$562K
316
$558K
317
$545K
318
$525K
319
$512K
320
$511K
321
$496K
322
$494K
323
$491K
324
$487K
325
$483K