CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in AMBQ — Ambiq Micro, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in AMBQ
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,059,912
+$1,095,672 QoQ
Shares Held
81,067
+139.6% QoQ
Ownership
0.379%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 99.9950658097623.ToString("F0")%
Shared 0.ToString("F0")%
None 0.004934190237704614.ToString("F0")%
Common Shares in AMBQ Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $57,727,617,867 across 47 Semiconductors names. AMBQ ranks #43 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
160,788,892 | $28,041,582,764 | |
| 2 | AVGO |
Broadcom Inc.
|
33,710,329 | $10,433,683,927 | |
| 3 | TXN |
Texas Instruments Inc
|
25,927,676 | $5,033,599,017 | |
| 4 | QCOM |
Qualcomm Inc/De
|
30,864,702 | $3,974,756,323 | |
| 5 | AMD |
Advanced Micro Devices Inc
|
11,900,631 | $2,420,945,364 | |
| 6 | MU |
Micron Technology Inc
|
6,984,665 | $2,359,699,223 | |
| 7 | INTC |
Intel Corp
|
35,281,668 | $1,556,980,008 | |
| 8 | ADI |
Analog Devices Inc
|
2,976,872 | $947,062,058 |
All Filings in AMBQ
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,059,912 | 81,067 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $964,240 | 33,833 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $923,091 | 30,852 | Shares | Sole | 2025-11-10 | |
| No filing history on record for this holder in this stock. | ||||||