AMBQ
AMBIQ MICRO (AMBQ)
NYSE
$82.53+$1.18 (+1.45%)
Price as of Jul 13, 2026 7:58 PM EDT
  • $2.0B
    Market Cap
  • N/A
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
5.32%
1.3M
+1.3M (+100.00%)
Mar 31, 2026
BLACKROCK, INC.
4.25%
1.0M
+705,265 (+69.61%)
Mar 31, 2026
ATREIDES MANAGEMENT, LP
3.62%
862,175
+165,755 (+19.23%)
Mar 31, 2026
N/A
2.97%
707,404
+707,404 (+100.00%)
Mar 31, 2026
ALLIANCEBERNSTEIN L.P.
2.88%
686,098
+290,727 (+42.37%)
Mar 31, 2026
SCHONFELD STRATEGIC ADVISORS LLC
2.75%
656,552
+434,742 (+66.22%)
Mar 31, 2026
FRANKLIN RESOURCES INC
2.27%
542,216
+234,329 (+43.22%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions20.0M (66.37%)
  • Mutual Funds9.2M (30.72%)
  • Insiders875,791 (2.91%)
  • Other0 (0.00%)

Insider Transactions

  • 2.91% (875,791)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $7.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
TAUTGES JOSEPH A
Award
Jun 08, 2026
$0.00
4,957
$0.00
53,703
ZHANG KER
Award
Jun 08, 2026
$0.00
4,957
$0.00
28,766
Banks Bernard Bennett
Award
Jun 08, 2026
$0.00
4,957
$0.00
4,957
HSIEH Wen Hsuan
Award
Jun 08, 2026
$0.00
4,957
$0.00
4,957
Connors Michele Kim
General Counsel
Sell
Apr 02, 2026
$17,185.41
660
$26.04
60,705
Connors Michele Kim
General Counsel
Sell
Apr 02, 2026
$4,024.29
151
$26.65
60,554
Chen Sean Chihhsiang
President and COO
Award
Mar 06, 2026
$0.00
64,246
$0.00
120,275
Hanson Scott McLean
Chief Technology Officer
Award
Mar 06, 2026
$0.00
80,308
$0.00
203,126
Winzeler Jeffrey G
Chief Financial Officer
Award
Mar 06, 2026
$0.00
41,728
$0.00
94,395
TAUTGES JOSEPH A
Sell
Jan 26, 2026
$241,800.00
7,800
$31.00
48,746
Hanson Scott McLean
Chief Technology Officer
Sell
Jan 26, 2026
$310,000.00
10,000
$31.00
122,818
Connors Michele Kim
General Counsel
Award
Jan 05, 2026
$0.00
23,759
$0.00
23,759
Connors Michele Kim
General Counsel
Award
Jan 05, 2026
$0.00
5,483
$0.00
29,242
Esaka Fumihide
Chief Executive Officer
Exempt
Oct 07, 2025
$0.00
53,660
$0.00
0
Esaka Fumihide
Chief Executive Officer
Exempt
Oct 07, 2025
$315,520.80
53,660
$5.88
230,573
Esaka Fumihide
Chief Executive Officer
Award
Oct 02, 2025
$0.00
159,907
$0.00
176,913
Hanson Scott McLean
Chief Financial Officer
Award
Oct 02, 2025
$0.00
83,819
$0.00
132,818
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
748,046
$0.00
0
HSIEH Wen Hsuan
Conversion
Jul 31, 2025
$0.00
394,989
$0.00
0
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
98,958
$0.00
0
HSIEH Wen Hsuan
Conversion
Jul 31, 2025
$0.00
394,989
$0.00
394,989
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
22,594
$0.00
0
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
171,064
$0.00
0
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
748,046
$0.00
1.2M
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
98,958
$0.00
1.3M
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
23,294
$0.00
1.3M
KPCB XVI Associates, LLC
Conversion
Jul 31, 2025
$0.00
194,618
$0.00
1.5M
ZHANG KER
Award
Jul 29, 2025
$0.00
23,809
$0.00
23,809
Chen Timothy
Award
Jul 29, 2025
$0.00
47,618
$0.00
47,618
TAUTGES JOSEPH A
Award
Jul 29, 2025
$0.00
56,546
$0.00
56,546