WESTFIELD CAPITAL MANAGEMENT CO LP
Position in AAOI — Applied Optoelectronics, Inc.
CIK 1177719
BOSTON, MA
Position in AAOI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$36,973,772
+$17,954,452 QoQ
Shares Held
249,553
-81.2% QoQ
Ownership
0.295%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#29
of 480 holders
Holding Since
Sep 2024
2 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in AAOI Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $93,420,638 across 3 Communication Equipment names. AAOI ranks #2 (39.6% of the industry book) .
All Filings in AAOI
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $36,973,772 | 249,553 | Shares | Sole | 2026-08-12 | |
| 2024-09-30 | $19,019,320 | 1,329,093 | Shares | Sole | 2024-11-12 | |
| No filing history on record for this holder in this stock. | ||||||