1,073 hedge funds and large institutions have $51.8B invested in Ciena in 2026 Q1 according to their latest regulatory filings, with 318 funds opening new positions, 311 increasing their positions, 364 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 capital invested

Capital invested by funds: $ → $

more call options, than puts

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

more funds holding

Funds holding:

26% more funds holding in top 10

Funds holding in top 10: 2329 (+6)

13.04% less ownership

Funds ownership: 107.91%94.88% (-13%)

15% less repeat investments, than reductions

Existing positions increased: 311 | Existing positions reduced: 364

Holders
1,073
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.11B
Puts
$798M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
276
Portolan Capital Management
Massachusetts
$7.17M
Aberdeen Group
277
Aberdeen Group
United Kingdom
$7.1M
BC
278
Burney Company
Virginia
$7.04M
Bank of Nova Scotia
279
Bank of Nova Scotia
Ontario, Canada
$6.98M
Allspring Global Investments
280
Allspring Global Investments
North Carolina
$6.93M
KCM
281
Kornitzer Capital Management
Kansas
$6.93M
PNC Financial Services Group
282
PNC Financial Services Group
Pennsylvania
$6.92M
CAPTRUST Financial Advisors
283
CAPTRUST Financial Advisors
North Carolina
$6.83M
EMPI
284
Elo Mutual Pension Insurance
Finland
$6.82M
Capital Fund Management (CFM)
285
Capital Fund Management (CFM)
France
$6.79M
CIP
286
Convergence Investment Partners
Florida
$6.7M
Fifth Third Bancorp
287
Fifth Third Bancorp
Ohio
$6.67M
Commonwealth Equity Services
288
Commonwealth Equity Services
Massachusetts
$6.63M
VI
289
Vestcor Inc
New Brunswick, Canada
$6.62M
NAAA
290
New Age Alpha Advisors
New York
$6.59M
WLG
291
Williamson Legacy Group
Indiana
$6.57M
AI
292
Atria Investments
North Carolina
$6.56M
Mackenzie Financial
293
Mackenzie Financial
Ontario, Canada
$6.56M
US
294
UNICOM Systems
Nevada
$6.53M
AssetMark Inc
295
AssetMark Inc
California
$6.47M
JAM
296
Jupiter Asset Management
United Kingdom
$6.44M
MIF
297
Mediolanum International Funds
Ireland
$6.34M
MML Investors Services
298
MML Investors Services
Massachusetts
$6.32M
OPERF
299
Oregon Public Employees Retirement Fund
Oregon
$6.28M
IMPI
300
Ilmarinen Mutual Pension Insurance
Finland
$6.26M