Position in AMBQ
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$1,207,855
+$719,577 QoQ
Shares Held
13,679
-28.8% QoQ
Ownership
0.057%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
#91
of 184 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMBQ Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $66,189,661 across 13 Semiconductors names. AMBQ ranks #8 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TSEM |
Tower Semiconductor Ltd
|
105,543 | $27,508,727 | |
| 2 | AIP |
Arteris, Inc.
|
277,665 | $13,491,742 | |
| 3 | MRVL |
Marvell Technology, Inc.
|
25,911 | $7,718,627 | |
| 4 | SMTC |
Semtech Corp
|
38,226 | $6,186,878 | |
| 5 | DIOD |
Diodes Inc /Del/
|
46,732 | $5,114,350 | |
| 6 | MTSI |
MACOM Technology Solutions Holdings, Inc.
|
4,919 | $1,871,040 | |
| 7 | ON |
On Semiconductor Corp
|
19,369 | $1,831,145 | |
| 8 | AMBQ |
Ambiq Micro, Inc.
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|
13,679 | $1,207,855 |
All Filings in AMBQ
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,207,855 | 13,679 | Shares | Sole | 2026-08-06 | |
| 2026-03-31 | $488,278 | 19,216 | Shares | Sole | 2026-05-11 | |
| No filing history on record for this holder in this stock. | ||||||