AMBIQ MICRO INC (AMBQ) Institutional Ownership Changes & 13F Activity

AMBIQ MICRO INC (AMBQ). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include D. E. Shaw & Co., Inc., Two Sigma Investments, Lp, Schonfeld Strategic Advisors Llc, Jane Street Group, Llc, and T. Rowe Price Investment Management, Inc..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+4,9164,916$434.08KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+122,425122,425$10.81MQ2 2026Sep 02, 2026
First Eagle U.S. ValueSell-34,679-12.4%244,394$21.58MQ2 2026Aug 24, 2026
California State Teachers Retirement SystemSell-735-74.3%254$22.43KQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+2,6022,602$229.76KQ2 2026Aug 19, 2026
D. E. Shaw & Co., Inc.Buy+983,916983,916$86.88MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+614,992+1671.4%651,786$57.55MQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcSell-341,097-52.0%315,455$27.85MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+294,802294,802$26.03MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Sell-261,192-20.6%1,006,359$88.86MQ2 2026Aug 14, 2026
Hrt Financial LpBuy+225,639225,639$19.92MQ2 2026Aug 14, 2026
Voloridge Investment Management, LlcBuy+223,276223,276$19.72MQ2 2026Aug 14, 2026
Cooper Creek Partners Management LlcBuy+220,000220,000$19.43MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+168,139168,139$14.85MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+155,240+323.2%203,273$17.95MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+141,970+950.5%156,906$13.86MQ2 2026Aug 14, 2026
Needham Investment Management LlcBuy+123,700+61.9%323,700$28.58MQ2 2026Aug 14, 2026
Hood River Capital Management LlcBuy+121,738121,738$10.75MQ2 2026Aug 14, 2026
Lord, Abbett & Co. LlcBuy+118,432118,432$10.46MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+111,650+62.9%289,206$25.54MQ2 2026Aug 14, 2026
Barclays PlcBuy+94,955+2007.1%99,686$8.80MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcSell-91,789-24.1%288,979$25.52MQ2 2026Aug 14, 2026
Summit Partners Public Asset Management, LlcSell-88,900-57.1%66,697$5.89MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+77,16577,165$6.81MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Sell-76,491-11.1%609,607$15.49MQ2 2026Aug 14, 2026
Voleon Capital Management LpBuy+75,98075,980$6.71MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+73,60073,600$6.50MQ2 2026Aug 14, 2026
S Squared Technology, LlcSell-72,000-37.3%120,773$10.66MQ2 2026Aug 14, 2026
Alyeska Investment Group, L.P.Sell-67,976-86.8%10,329$912.05KQ2 2026Aug 14, 2026
Woodline Partners LpBuy+64,48464,484$5.69MQ2 2026Aug 14, 2026
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Frequently asked questions about AMBQ activity

  • Which institutional owners are buying AMBQ?

    Institutional owners buying AMBQ include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in AMBQ activity?

    "Buy" means an investor increased their reported position in AMBQ compared to the prior reporting period. This reflects growing exposure to AMBIQ MICRO INC (AMBQ) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in AMBQ increasing?

    Institutional interest in AMBQ can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.