Ambiq Micro, Inc.

AMBQNYSE

$63.24-2.68 (-4.07%)as of Oct 6, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Ambiq Micro, Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (+102.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Manufacturers Life Insurance Company, the	42.67%	$434K	0.00%	Not reported
BlackRock, Inc.	5.72%	$122M	0.00%	Not reported
T. Rowe Price Investment Management, Inc.	4.17%	$88.9M	0.06%	Reduce 20.61%
D. E. Shaw & Co., Inc.	4.07%	$86.9M	0.04%	Not reported
Atreides Management, LP	3.63%	$77.4M	0.54%	Add 1.73%
State Street Corp	3.57%	$76.1M	0.00%	Not reported
Vanguard Capital Management LLC	3.18%	$67.9M	0.00%	Not reported
Two Sigma Investments, LP	2.70%	$57.6M	0.04%	Not reported
Alliancebernstein L.P.	2.52%	$15.5M	0.01%	Not reported
First Eagle Investment Management, LLC	2.02%	$43.2M	0.04%	Add 75.15%
Goldman Sachs Group Inc	1.85%	$39.5M	0.00%	Not reported
Geode Capital Management, LLC	1.41%	$30M	0.00%	Not reported
Needham Investment Management LLC	1.34%	$28.6M	0.86%	Add 61.85%
Schonfeld Strategic Advisors LLC	1.31%	$27.9M	0.10%	Not reported
Silvercrest Asset Management Group LLC	1.28%	$27.3M	0.18%	Add 9.46%
Jane Street Group, LLC	1.22%	$26M	0.00%	Not reported
Millennium Management LLC	1.20%	$25.5M	0.01%	Not reported
Driehaus Capital Management LLC	1.20%	$25.5M	0.15%	Reduce 24.11%
Neuberger Berman Group LLC	1.13%	$24M	0.02%	Not reported
Emerald Advisers, LLC	1.01%	$21.5M	0.51%	New Not reported
Voloridge Investment Management, LLC	0.92%	$19.7M	0.08%	New Not reported
Cooper Creek Partners Management LLC	0.91%	$19.4M	0.46%	Not reported
Renaissance Technologies LLC	0.89%	$19M	0.03%	Not reported
Walleye Capital LLC	0.89%	$18.9M	0.07%	Not reported
BNP Paribas Financial Markets	0.85%	$18M	0.01%	Not reported
Bank of America Corp	0.84%	$17.9M	0.00%	Not reported
JPMorgan Chase & Co	0.83%	$17.1M	0.00%	Not reported
Morgan Stanley	0.75%	$16.1M	0.00%	Not reported
Vanguard Portfolio Management LLC	0.70%	$15M	0.00%	Not reported
Wellington Management Group LLP	0.70%	$14.8M	0.00%	New Not reported
Deutsche Bank Ag\	0.68%	$14.6M	0.00%	Not reported
Gilder Gagnon Howe & Co LLC	0.66%	$14.1M	0.15%	Add 45.67%
Emerald Mutual Fund Advisers Trust	0.66%	$14.1M	0.49%	New Not reported
Softbank Group Corp.	0.62%	$13.2M	0.07%	Not reported
Nuveen, LLC	0.58%	$12.3M	0.00%	Not reported
Northern Trust Corp	0.54%	$11.5M	0.00%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	0.52%	$11.1M	0.02%	New Not reported
Citadel Advisors LLC	0.51%	$10.8M	0.00%	Not reported
Hood River Capital Management LLC	0.50%	$10.7M	0.08%	New Not reported
S Squared Technology, LLC	0.50%	$10.7M	3.31%	Reduce 37.35%
Lord, Abbett & Co. LLC	0.49%	$10.5M	0.03%	New Not reported
Marshall Wace, LLP	0.45%	$9.67M	0.01%	Not reported
Barclays PLC	0.41%	$8.8M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.41%	$8.69M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.34%	$7.34M	0.00%	Not reported
Wasatch Advisors LP	0.34%	$7.2M	0.05%	Reduce 67.93%
Moody Aldrich Partners LLC	0.34%	$7.19M	1.29%	New Not reported
Acadian Asset Management LLC	0.33%	$6.96M	0.01%	Not reported
Point72 Asset Management, L.P.	0.32%	$6.81M	0.01%	Not reported
Voleon Capital Management LP	0.31%	$6.71M	0.12%	New Not reported

50 of 173 holders

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