AMBA
Ambarella (AMBA)
NASDAQ
$63.75-$0.36 (-0.56%)
Price as of Jun 25, 2026 7:57 PM EDT
  • $2.3B
    Market Cap
  • -7.49%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry

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

Current Ownership Distribution

  • Institutions591.6M (80.41%)
  • Mutual Funds134.5M (18.29%)
  • Insiders9.6M (1.30%)
  • Other0 (0.00%)

Insider Transactions

  • 1.30% (9.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $713.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Young John Alexander
CFO
Sell
Jun 17, 2026
$216,233.82
3,186
$67.87
114,437
Lee Chan W
Chief Operations Officer
Sell
Jun 17, 2026
$200,284.37
2,951
$67.87
157,098
Wang Feng-Ming
CEO
Sell
Jun 17, 2026
$421,065.48
6,204
$67.87
799,857
Ju Chi-Hong
Senior VP, Systems & GM
Sell
Jun 17, 2026
$136,893.79
2,017
$67.87
165,924
Young John Alexander
CFO
Sell
Jun 17, 2026
$123,712.06
1,847
$66.98
112,590
Wang Feng-Ming
CEO
Gift
Jun 17, 2026
$0.00
10,000
$0.00
789,857
Chen Yen-Lung
VP, Business Development and
Sell
Jun 12, 2026
$660,943.36
9,856
$67.06
66,515
Wang Feng-Ming
CEO
Sell
Mar 19, 2026
$437,613.62
8,083
$54.14
838,561
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
Chen Yen-Lung
VP, Business Development and M
Award
Mar 18, 2026
$0.00
2,849
$0.00
76,371
Wang Feng-Ming
CEO
Award
Mar 18, 2026
$0.00
15,686
$0.00
846,644
Lee Chan W
Chief Operations Officer
Award
Mar 18, 2026
$0.00
7,320
$0.00
163,690
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Award
Mar 18, 2026
$0.00
5,930
$0.00
170,096
Chen Yen-Lung
VP, Business Development and M
Exempt
Mar 17, 2026
$0.00
4,651
$0.00
0
Wang Feng-Ming
CEO
Exempt
Mar 17, 2026
$0.00
27,598
$0.00
0
Lee Chan W
Chief Operations Officer
Exempt
Mar 17, 2026
$0.00
13,678
$0.00
0
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Exempt
Mar 17, 2026
$0.00
9,553
$0.00
0
Chen Yen-Lung
VP, Business Development and M
Exempt
Mar 17, 2026
$0.00
4,651
$0.00
73,522
Wang Feng-Ming
CEO
Exempt
Mar 17, 2026
$0.00
27,598
$0.00
849,934
Lee Chan W
Chief Operations Officer
Exempt
Mar 17, 2026
$0.00
13,678
$0.00
163,099
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
Sell
Mar 17, 2026
$355,089.33
6,729
$52.77
156,370
Wang Feng-Ming
CEO
Sell
Mar 17, 2026
$1.0M
18,976
$52.77
830,958
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Sell
Mar 17, 2026
$249,549.33
4,729
$52.77
164,166
Lee Chan W
Chief Operations Officer
Award
Mar 02, 2026
$0.00
24,701
$0.00
24,701
Wang Feng-Ming
CEO
Exempt
Mar 02, 2026
$0.00
50,000
$0.00
0
Chen Yen-Lung
VP, Business Development and M
Award
Mar 02, 2026
$0.00
7,220
$0.00
7,220
Bryant Gregory M
Award
Mar 02, 2026
$0.00
2,457
$0.00
2,457
Ju Chi-Hong
Senior VP, Systems & GM, Asia
Award
Mar 02, 2026
$0.00
17,329
$0.00
17,329