Position in AMBA
as of Jun 30, 2026
· filed Jul 13, 2026
Position Value
$235,950
+$9,020 QoQ
Shares Held
2,750
0.0% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#226
of 335 holders
Holding Since
Dec 2020
12 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, 2026McCollum Christoferson Group LLC holds $235,950 across 1 Semiconductor Equipment & Materials name. AMBA ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMBA |
Ambarella Inc
This page
|
2,750 | $235,950 |
All Filings in AMBA
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $235,950 | 2,750 | Shares | Sole | 2026-07-13 | |
| 2025-09-30 | $226,930 | 2,750 | Shares | Sole | 2025-11-17 | |
| 2024-12-31 | $200,035 | 2,750 | Shares | Sole | 2025-02-11 | |
| 2023-06-30 | $250,591 | 2,995 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $231,872 | 2,995 | Shares | Sole | 2023-05-02 | |
| 2022-12-31 | $246,278 | 2,995 | Shares | Sole | 2023-02-07 | |
| 2022-03-31 | $314,235 | 2,995 | Shares | Sole | 2022-05-10 | |
| 2021-12-31 | $607,655 | 2,995 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $466,441 | 2,995 | Shares | Sole | 2021-10-13 | |
| 2021-06-30 | $319,356 | 2,995 | Shares | Sole | 2021-07-14 | |
| 2021-03-31 | $300,668 | 2,995 | Shares | Sole | 2021-04-22 | |
| 2020-12-31 | $275,000 | 2,995 | Shares | Sole | 2021-01-22 | |
| No filing history on record for this holder in this stock. | ||||||