AMBARELLA INC (AMBA) Institutional Ownership Changes & 13F Activity

AMBARELLA INC (AMBA). 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 Price T Rowe Associates Inc, Millennium Management Llc, Point72 Asset Management, L.P., Manufacturers Life Insurance Company, The, and Nomura Asset Management International Inc..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-399,541-25.2%1,186,541$158.19MQ2 2026Sep 09, 2026
Allianz Asset Management GmbhSell-61,700-66.6%30,900$2.65MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemBuy+61+0.1%47,979$4.12MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+2,938+28.6%13,218$1.13MQ2 2026Aug 19, 2026
Jacobs Equity LlcBuy+3,2753,275$281.00KQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+1,627+33.5%6,480$555.98KQ2 2026Aug 17, 2026
Centaurus Financial, Inc.Sell-459-10.4%3,961$340.00KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+1212$1.03KQ2 2026Aug 17, 2026
Price T Rowe Associates IncBuy+1,646,661+172.9%2,598,976$222.99MQ2 2026Aug 14, 2026
Millennium Management LlcSell-1,471,221-97.3%41,318$3.55MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Sell-403,268-77.4%117,943$10.12MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+358,122358,122$30.73MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+269,919+110.1%515,084$44.19MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+255,769+99.2%513,569$44.06MQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+190,333+20.5%1,116,729$95.82MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+169,606+80.8%379,423$32.55MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+139,980+38.4%504,409$43.28MQ2 2026Aug 14, 2026
Bank Of America CorpSell-119,826-24.9%361,932$31.05MQ2 2026Aug 14, 2026
Needham Investment Management LlcBuy+115,000+575.0%135,000$11.58MQ2 2026Aug 14, 2026
Squarepoint Ops LlcSell-101,691-22.1%358,889$30.79MQ2 2026Aug 14, 2026
Samjo Management, LlcBuy+95,325+229.0%136,955$11.75MQ2 2026Aug 14, 2026
Engineers Gate Manager LpSell-90,913-96.8%3,030$259.97KQ2 2026Aug 14, 2026
Apis Capital Advisors, LlcBuy+88,00088,000$7.55MQ2 2026Aug 14, 2026
Potrero Capital Research LlcBuy+86,59586,595$7.43MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+79,16179,161$6.79MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-72,139-46.9%81,602$7.00MQ2 2026Aug 14, 2026
Westerly Capital Management, LlcSell-50,000-38.5%80,000$6.86MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+47,435+347.3%61,095$5.24MQ2 2026Aug 14, 2026
Oberweis Asset Management Inc/Buy+47,069+15.9%342,254$29.37MQ2 2026Aug 14, 2026
Sora Investors LlcBuy+41,843+70.8%100,935$8.66MQ2 2026Aug 14, 2026
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Frequently asked questions about AMBA activity

  • Which institutional owners are buying AMBA?

    Institutional owners buying AMBA 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 AMBA activity?

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

  • Is institutional interest in AMBA increasing?

    Institutional interest in AMBA 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.