$AMBQ stock is down 9% today. Here's what we see in our data.

$AMBQ stock has now fallen 9% today, according to our price data from Polygon. There has been approximately $5,059,979 of trading volume.

Here is what we see in our data on $AMBQ (you can track the company live on Quiver's $AMBQ stock page):

$AMBQ Insider Trading Activity

$AMBQ insiders have traded $AMBQ stock on the open market 16 times in the past 6 months. Of those trades, 0 have been purchases and 16 have been sales.

Here’s a breakdown of recent trading of $AMBQ stock by insiders over the last 6 months:

TIMOTHY CHEN has made 0 purchases and 4 sales selling 70,592 shares for an estimated $5,632,525.
FUMIHIDE ESAKA (Chief Executive Officer) sold 60,000 shares for an estimated $4,201,122
SEAN CHIHHSIANG CHEN (President and COO) has made 0 purchases and 2 sales selling 55,685 shares for an estimated $3,947,280.
JEFFREY G WINZELER (Chief Financial Officer) has made 0 purchases and 2 sales selling 26,000 shares for an estimated $1,817,412.
SCOTT MCLEAN HANSON (Chief Technology Officer) has made 0 purchases and 4 sales selling 20,200 shares for an estimated $1,016,252.
JOSEPH A TAUTGES sold 7,800 shares for an estimated $241,800
MICHELE KIM CONNORS (General Counsel) has made 0 purchases and 2 sales selling 811 shares for an estimated $21,209.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

$AMBQ Hedge Fund Activity

We have seen 70 institutional investors add shares of $AMBQ stock to their portfolio, and 21 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

BLACKROCK, INC. added 705,265 shares (+229.1%) to their portfolio in Q1 2026, for an estimated $17,920,783
SCHONFELD STRATEGIC ADVISORS LLC added 434,742 shares (+196.0%) to their portfolio in Q1 2026, for an estimated $11,046,794
KADENSA CAPITAL LTD removed 394,991 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $10,036,721
DRIEHAUS CAPITAL MANAGEMENT LLC added 380,768 shares (+inf%) to their portfolio in Q1 2026, for an estimated $9,675,314
ALLIANCEBERNSTEIN L.P. added 290,727 shares (+73.5%) to their portfolio in Q1 2026, for an estimated $7,387,373
GOLDMAN SACHS GROUP INC added 281,314 shares (+212.9%) to their portfolio in Q1 2026, for an estimated $7,148,188
FRANKLIN RESOURCES INC added 234,329 shares (+76.1%) to their portfolio in Q1 2026, for an estimated $5,954,299

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

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$AMBQ Price Targets

Multiple analysts have issued price targets for $AMBQ recently. We have seen 3 analysts offer price targets for $AMBQ in the last 6 months, with a median target of $70.0.

Here are some recent targets:

Timothy Arcuri from UBS set a target price of $70.0 on 05/13/2026
N. Quinn Bolton from Needham set a target price of $70.0 on 05/12/2026
Gus Richard from Northland Capital Markets set a target price of $44.0 on 04/21/2026

You can track data on $AMBQ on Quiver Quantitative.

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.