CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in AMBA — Ambarella Inc
CIK 884546
SAN FRANCISCO, CA
Position in AMBA
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$32,565,475
+$13,863,255 QoQ
Shares Held
379,551
+4.5% QoQ
Ownership
0.865%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#24
of 335 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMBA Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $12,324,123,598 across 27 Semiconductor Equipment & Materials names. AMBA ranks #19 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
4,969,702 | $3,593,094,546 | |
| 2 | LRCX |
Lam Research Corp
|
7,698,872 | $3,336,152,203 | |
| 3 | KLAC |
Kla Corp
|
10,416,170 | $3,142,662,650 | |
| 4 | TER |
Teradyne, Inc
|
1,014,857 | $491,028,410 | |
| 5 | Q |
Qnity Electronics, Inc.
|
1,505,919 | $245,931,631 | |
| 6 | ENTG |
Entegris Inc
|
1,221,521 | $219,702,766 | |
| 7 | ONTO |
Onto Innovation Inc.
|
509,528 | $192,830,871 | |
| 8 | ASML |
Asml Holding NV
|
88,615 | $176,294,215 |
All Filings in AMBA
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $32,565,475 | 379,551 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $18,702,220 | 363,291 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $25,872,113 | 365,219 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $29,555,115 | 358,157 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $22,851,763 | 345,872 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $16,281,755 | 323,500 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $23,640,572 | 325,001 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $18,069,194 | 320,319 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $17,081,595 | 316,619 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $15,532,066 | 305,930 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $18,329,509 | 299,062 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $15,615,691 | 294,469 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $23,736,760 | 283,695 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $21,652,903 | 279,681 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $25,901,134 | 314,984 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $17,025,236 | 303,048 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $19,881,903 | 303,726 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $31,377,375 | 299,060 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $56,439,331 | 278,177 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $42,799,688 | 274,815 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $29,461,122 | 276,293 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $26,650,834 | 265,473 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $23,627,581 | 257,325 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $12,906,305 | 247,342 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $10,698,559 | 233,593 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $10,116,990 | 208,340 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||