WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in AAOI — Applied Optoelectronics, Inc.
CIK 1644956
CHICAGO, IL
Position in AAOI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$74,702,568
New position
Shares Held
504,202
first reported quarter
Ownership
0.596%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#19
of 480 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 96%
Shared 0%
None 4%
Position in Communication Equipment
Technology · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $195,112,302 across 6 Communication Equipment names. AAOI ranks #1 (38.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AAOI |
Applied Optoelectronics, Inc.
This page
|
504,202 | $74,702,568 | |
| 2 | CIEN |
Ciena Corp
|
133,801 | $65,637,418 | |
| 3 | BDC |
Belden Inc.
|
178,144 | $21,361,247 | |
| 4 | MSI |
Motorola Solutions, Inc.
|
42,766 | $17,760,292 | |
| 5 | ADTN |
ADTRAN Holdings, Inc.
|
1,099,019 | $15,276,364 | |
| 6 | HPE |
Hewlett Packard Enterprise Co
|
8,300 | $374,413 |
All Filings in AAOI
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $74,702,568 | 504,202 | Shares | Sole | 2026-08-12 | |
| No filing history on record for this holder in this stock. | ||||||