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Livermore
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Ambarella Inc

AMBA
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280263

In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 342 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Ambarella Inc changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of AMBA: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders2982305+9
Shares35.3M904.7K35.1M+788.3K (+2.3%)
Value$1.77B$45.5M$2.32B+$592.3M (+34.3%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (59)

Institutions that held Ambarella Inc at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to AMBA in Q2 2025
InstitutionSharesValue% of portfolio
Jericho Capital Asset Management L.P.1,098,482$72.6M0.97%
Squarepoint Ops LLC557,172$36.8M0.08%
Voloridge Investment Management, LLC178,060$11.8M0.04%
Potrero Capital Research LLC150,000$9.91M4.61%
LMR Partners LLP150,000$9.91M0.15%
Westerly Capital Management, LLC143,000$9.45M4.00%
Stanley-Laman Group, Ltd.111,164$7.34M1.09%
Jain Global LLC101,616$6.71M0.10%
Healthcare of Ontario Pension Plan Trust Fund71,200$4.70M0.01%
Susquehanna Portfolio Strategies, LLC48,867$3.23M0.07%
Shellback Capital, LP43,745$2.89M0.19%
Harber Asset Management LLC41,782$2.76M0.89%
Virtus ETF Advisers LLC23,690$1.57M0.96%
Atom Investors LP23,533$1.55M0.14%
Katamaran Capital LLP20,595$1.36M1.32%
Winton Group Ltd13,571$896.6K0.05%
Versor Investments LP12,800$845.6K0.15%
Capstone Investment Advisors, LLC11,801$779.6K0.01%
Oak Associates, Ltd7,885$520.9K0.03%
Wealth Enhancement Advisory Services, LLC6,998$471.1K0.00%
Lombard Odier Asset Management (USA) Corp6,438$425.3K0.11%
Simplex Trading, LLC6,103$403.0K0.01%
Bridgefront Capital, LLC5,929$391.7K0.10%
Symmetry Peak Management LLC5,860$387.1K4.39%
Sigma Planning Corp5,653$373.5K0.01%
Centiva Capital, LP5,125$338.6K0.02%
Vident Advisory, LLC5,036$332.7K0.00%
Ardsley Advisory Partners LP5,000$330.3K0.05%
JustInvest LLC4,395$290.4K0.00%
Mercer Global Advisors Inc4,294$283.7K0.00%
Bailard, Inc.4,200$277.5K0.01%
Robeco Institutional Asset Management B.V.4,191$276.9K0.00%
Xponance, Inc.4,030$266.2K0.00%
Stephens Inc3,667$242.3K0.00%
Emerald Advisers, LLC3,558$235.1K0.01%
NorthCrest Asset Manangement, LLC3,433$231.1K0.01%
Register Financial Advisors LLC3,300$218.0K0.10%
Oxford Asset Management LLP3,084$203.7K0.07%
Clear Street Markets LLC2,000$132.1K0.05%
Johnson Financial Group, Inc.1,018$67.3K0.00%
State of Wyoming948$62.6K0.01%
Optiver Holding B.V.856$56.6K0.00%
Total Investment Management Inc450$29.7K0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.351$23.0K0.00%
Fifth Third Bancorp305$20.1K0.00%
Essential Partners LLC247$16.3K0.01%
Neo Ivy Capital Management177$11.7K0.00%
Greykasell Wealth Strategies, Inc.115$7.60K0.00%
GWM Advisors LLC100$6.61K0.00%
CoreFirst Bank & Trust100$6.61K0.00%
Ameritas Advisory Services, LLC70$4.63K0.00%
Chapman Financial Group, LLC65$4.29K0.00%
Rise Advisors, LLC43$2.84K0.00%
Parkside Financial Bank & Trust40$2.65K0.00%
Global Retirement Partners, LLC33$2.18K0.00%
Bare Financial Services, Inc14$9250.00%
CVA Family Office, LLC11$7270.00%
Riggs Asset Managment Co. Inc.5$3310.00%
Clearstead Advisors, LLC4$2650.00%

Sold out (50)

Institutions that held Ambarella Inc at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of AMBA in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Woodline Partners LP441,385$22.2M
Intrinsic Edge Capital Management LLC210,000$10.6M
Cubist Systematic Strategies, LLC120,432$6.06M
Tudor Investment Corp Et Al107,764$5.42M
Point72 Asset Management, L.P.94,857$4.77M
Meridiem Capital Partners LP89,720$4.52M
Twinbeech Capital LP55,296$2.78M
Nebula Research & Development LLC33,274$1.67M
Prudential Financial Inc21,946$1.35M
Principal Financial Group Inc25,794$1.30M
Valliance Asset Management Ltd20,000$1.01M
Corebridge Financial, Inc.18,897$951.1K
Dynamic Technology Lab Private Ltd18,710$941.0K
Holocene Advisors, LP18,301$921.1K
Bayesian Capital Management, LP17,269$869.1K
Scientech Research LLC16,997$855.5K
Blueshift Asset Management, LLC16,043$807.4K
Counterpoint Mutual Funds LLC14,549$732.3K
Steel Peak Wealth Management LLC13,506$679.8K
Aquatic Capital Management LLC13,176$663.1K
IMC-Chicago, LLC10,046$505.6K
Jump Financial, LLC9,298$468.0K
Guggenheim Capital LLC9,004$453.2K
HRT Financial LP8,420$423.0K
Semanteon Capital Management, LP7,978$401.5K
OmniStar Financial Group, Inc.7,929$399.1K
Headlands Technologies LLC7,193$362.0K
Empowered Funds, LLC6,838$344.2K
William Blair Investment Management, LLC6,351$319.6K
DnB Asset Management AS6,259$315.0K
Numerai GP LLC5,658$284.8K
PharVision Advisers, LLC5,335$268.5K
Main Street Financial Solutions, LLC5,275$265.5K
Virtu Financial LLC4,838$243.0K
Gotham Asset Management, LLC4,748$239.0K
111 Capital4,635$233.3K
KG&L Capital Management,LLC4,222$212.5K
Magnetar Financial LLC4,013$202.0K
Point72 Hong Kong Ltd3,848$193.7K
Boston Private Wealth LLC421$21.2K
Glass Jacobson Investment Advisors llc100$7.27K
Coldstream Capital Management Inc109$5.49K
Private Wealth Management Group, LLC105$5.29K
Picton Mahoney Asset Management118$5.00K
First Pacific Financial62$3.12K
Bell Investment Advisors, Inc59$2.97K
Quadrant Capital Group LLC36$1.81K
Hughes Financial Services, LLC9$454
TD Capital Management LLC7$352
South State Corp.3$133

Not filed for Q2 2025 yet (2)

Institutions that held Ambarella Inc at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMBA in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Kodai Capital Management LP904,536$45.5M
Lindbrook Capital, LLC165$8.30K