Position in AMBQ
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$25,516,845
+$15,841,531 QoQ
Shares Held
288,979
-24.1% QoQ
Ownership
1.19%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#16
of 185 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 77%
Shared 0%
None 23%
Common Shares in AMBQ Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026Driehaus Capital Management LLC holds $1,533,407,968 across 16 Semiconductors names. AMBQ ranks #11 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
984,500 | $470,167,665 | |
| 2 | SIMO |
Silicon Motion Technology CORP
|
786,074 | $262,022,046 | |
| 3 | CRDO |
Credo Technology Group Holding Ltd
|
517,062 | $140,615,010 | |
| 4 | LASR |
Nlight, Inc.
|
1,986,119 | $138,273,604 | |
| 5 | SITM |
SITIME Corp
|
172,133 | $128,335,479 | |
| 6 | MTSI |
MACOM Technology Solutions Holdings, Inc.
|
251,107 | $95,513,569 | |
| 7 | ALAB |
Astera Labs, Inc.
|
194,619 | $94,004,869 | |
| 8 | SMTC |
Semtech Corp
|
419,633 | $67,917,601 |
All Filings in AMBQ
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $25,516,845 | 288,979 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $9,675,314 | 380,768 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||