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Ambarella (AMBA)
NASDAQ
$70.88-$2.92 (-3.96%)
Price as of Jun 04, 2026 9:26 AM EDT- $2.6BMarket Cap
- 37.84%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
Ambarella (AMBA)
$70.88-$2.92 (-3.96%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 12.49% | 5.5M | +311,649 (+5.69%) | Dec 31, 2025 |
BLACKROCK FUNDING, INC. /DE | 8.72% | 3.8M | +195,345 (+5.11%) | Dec 31, 2024 |
BLACKROCK, INC. | 8.64% | 3.8M | -38,634 (-1.02%) | Mar 31, 2026 |
N/A | 8.47% | 3.7M | +3.7M (+100.00%) | Mar 31, 2026 |
BLACKROCK INC. | 7.92% | 3.5M | +33,728 (+0.97%) | Jun 30, 2024 |
STATE STREET CORP | 4.51% | 2.0M | +273,971 (+13.86%) | Mar 31, 2026 |
JERICHO CAPITAL ASSET MANAGEMENT L.P. | 3.62% | 1.6M | +373,734 (+23.55%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 7.33% | 3.2M | +68,912 (+2.14%) | Mar 31, 2026 |
IVY FUNDS | 2.53% | 1.1M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.32% | 1.0M | +25,128 (+2.47%) | Feb 28, 2026 |
SPDR SERIES TRUST | 2.16% | 946,162 | 0 (0.00%) | Jan 31, 2026 |
VANGUARD HORIZON FUNDS | 1.53% | 672,415 | +265,788 (+39.53%) | Mar 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 1.37% | 600,822 | 0 (0.00%) | Jan 31, 2026 |
Capitol Series Trust | 1.23% | 540,000 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions591.6M (80.43%)
- Mutual Funds134.4M (18.26%)
- Insiders9.6M (1.31%)
- Other0 (0.00%)
Insider Transactions
- 1.31% (9.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 8Number of InsiderSelling (last 12 months)
- $845.9MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Wang Feng-Ming CEO | Sell | May 26, 2026 | $1.6M | 17,285 | $90.38 | 821,276 |
Wang Feng-Ming CEO | Sell | May 26, 2026 | $553,306.31 | 6,065 | $91.23 | 815,211 |
Wang Feng-Ming CEO | Sell | May 26, 2026 | $842,245.60 | 9,150 | $92.05 | 806,061 |
Lee Chan W Chief Operations Officer | Sell | Mar 19, 2026 | $197,123.74 | 3,641 | $54.14 | 160,049 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Sell | Mar 19, 2026 | $116,671.70 | 2,155 | $54.14 | 167,941 |
Wang Feng-Ming CEO | Sell | Mar 19, 2026 | $437,613.62 | 8,083 | $54.14 | 838,561 |
Chen Yen-Lung VP, Business Development and M | Award | Mar 18, 2026 | $0.00 | 2,849 | $0.00 | 76,371 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Award | Mar 18, 2026 | $0.00 | 5,930 | $0.00 | 170,096 |
Lee Chan W Chief Operations Officer | Award | Mar 18, 2026 | $0.00 | 7,320 | $0.00 | 163,690 |
Wang Feng-Ming CEO | Award | Mar 18, 2026 | $0.00 | 15,686 | $0.00 | 846,644 |
Chen Yen-Lung VP, Business Development and M | Exempt | Mar 17, 2026 | $0.00 | 4,651 | $0.00 | 0 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Exempt | Mar 17, 2026 | $0.00 | 9,553 | $0.00 | 0 |
Lee Chan W Chief Operations Officer | Exempt | Mar 17, 2026 | $0.00 | 13,678 | $0.00 | 0 |
Wang Feng-Ming CEO | Exempt | Mar 17, 2026 | $0.00 | 27,598 | $0.00 | 0 |
Chen Yen-Lung VP, Business Development and M | Exempt | Mar 17, 2026 | $0.00 | 4,651 | $0.00 | 73,522 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Exempt | Mar 17, 2026 | $0.00 | 9,553 | $0.00 | 168,895 |
Lee Chan W Chief Operations Officer | Exempt | Mar 17, 2026 | $0.00 | 13,678 | $0.00 | 163,099 |
Wang Feng-Ming CEO | Exempt | Mar 17, 2026 | $0.00 | 27,598 | $0.00 | 849,934 |
Lee Chan W Chief Operations Officer | Sell | Mar 17, 2026 | $355,089.33 | 6,729 | $52.77 | 156,370 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Sell | Mar 17, 2026 | $249,549.33 | 4,729 | $52.77 | 164,166 |
Wang Feng-Ming CEO | Sell | Mar 17, 2026 | $1.0M | 18,976 | $52.77 | 830,958 |
Lee Chan W Chief Operations Officer | Award | Mar 02, 2026 | $0.00 | 24,701 | $0.00 | 24,701 |
Bryant Gregory M | Award | Mar 02, 2026 | $0.00 | 2,457 | $0.00 | 2,457 |
Chen Yen-Lung VP, Business Development and M | Award | Mar 02, 2026 | $0.00 | 7,220 | $0.00 | 7,220 |
Wang Feng-Ming CEO | Exempt | Mar 02, 2026 | $0.00 | 50,000 | $0.00 | 0 |
Ju Chi-Hong Senior VP, Systems & GM, Asia | Award | Mar 02, 2026 | $0.00 | 17,329 | $0.00 | 17,329 |
Wang Feng-Ming CEO | Award | Mar 02, 2026 | $0.00 | 53,203 | $0.00 | 53,203 |
Young John Alexander CFO | Award | Mar 02, 2026 | $0.00 | 15,201 | $0.00 | 15,201 |
Wang Feng-Ming CEO | Exempt | Mar 02, 2026 | $2.1M | 50,000 | $41.36 | 818,979 |
Lee Chan W Chief Operations Officer | Award | Mar 02, 2026 | $0.00 | 24,701 | $0.00 | 149,267 |