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853 hedge funds and large institutions have $32.2B invested in Ciena in 2025 Q4 according to their latest regulatory filings, with 258 funds opening new positions, 249 increasing their positions, 274 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

215% more first-time investments, than exits

New positions opened: 258 | Existing positions closed: 82

59% more capital invested

Capital invested by funds: $20.3B → $32.2B (+$11.9B)

44% more funds holding in top 10

Funds holding in top 10: 1623 (+7)

24% more funds holding

Funds holding: 688853 (+165)

9.27% more ownership

Funds ownership: 98.65%107.93% (+9.3%)

9% less call options, than puts

Call options by funds: $572M | Put options by funds: $627M

9% less repeat investments, than reductions

Existing positions increased: 249 | Existing positions reduced: 274

Holders
853
Holders Change
+165
Holders Change %
+23.98%
% of All Funds
10.38%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.28%
New
258
Increased
249
Reduced
274
Closed
82
Calls
$572M
Puts
$627M
Net Calls
-$55.1M
Net Calls Change
-$254M
Name Holding Trade Value Shares
Change
Change in
Stake
William Blair & Company
276
William Blair & Company
Illinois
$4.34M +$12.2K +63 +0.3%
EMPI
277
Elo Mutual Pension Insurance
Finland
$4.33M +$3.59M +18,514 New
Verition Fund Management
278
Verition Fund Management
Connecticut
$4.29M -$8.8M -45,370 -71%
KCM
279
Kornitzer Capital Management
Kansas
$4.24M -$9.83M -50,650 -74%
GIA
280
Gateway Investment Advisers
Ohio
$4.17M -$631K -3,255 -15%
BC
281
Burney Company
Virginia
$4.15M -$36.3K -187 -1%
WAM
282
Weiss Asset Management
Massachusetts
$4.15M -$1.29M -6,663 -27%
CAPTRUST Financial Advisors
283
CAPTRUST Financial Advisors
North Carolina
$4.13M -$603K -3,106 -15%
HighTower Advisors
284
HighTower Advisors
Illinois
$4.06M -$915K -4,719 -21%
SP
285
SWS Partners
Ohio
$3.99M -$540K -2,784 -14%
WLG
286
Williamson Legacy Group
Indiana
$3.9M +$272K +1,404 +9%
SFM
287
Systematic Financial Management
New Jersey
$3.9M -$4.14M -21,331 -56%
Pathstone Holdings
288
Pathstone Holdings
New Jersey
$3.88M -$119K -611 -4%
JGUA
289
John G. Ullman & Associates
New York
$3.86M -$38.8K -200 -1%
NAAA
290
New Age Alpha Advisors
New York
$3.84M -$6.03M -31,082 -65%
ET
291
Entropy Technologies
New York
$3.64M +$474K +2,443 +19%
SMDAM
292
Sumitomo Mitsui DS Asset Management
Japan
$3.58M +$2.97M +15,328 New
NA
293
Navellier & Associates
Nevada
$3.57M +$2.96M +15,282 New
Select Equity Group
294
Select Equity Group
New York
$3.53M -$13.3M -68,440 -82%
KAS
295
Kestra Advisory Services
Texas
$3.52M -$229K -1,179 -7%
VIM
296
Vinva Investment Management
Australia
$3.49M +$2.84M +14,653 New
Fidelity International
297
Fidelity International
Bermuda
$3.44M +$2.43M +12,503 +570%
Calamos Advisors
298
Calamos Advisors
Illinois
$3.43M -$9.58M -49,395 -77%
IAA
299
Independent Advisor Alliance
North Carolina
$3.42M +$2.83M +14,605 New
ECSS
300
Eurizon Capital SGR SpA
$3.41M +$2.82M +14,537 New