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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; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Ambarella Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
307
−13 vs. Q4 2025
Shares held
36.5M
+4.94M (+15.6%) vs. Q4 2025
Total value
$1.88B
−$358.2M (−16.0%) vs. Q4 2025
New holders
62
114 more added
Sold out
75
85 more reduced

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 307 institutions
Q1 2021: 266 institutionsQ2 2021: 260 institutionsQ3 2021: 281 institutionsQ4 2021: 328 institutionsQ1 2022: 293 institutionsQ2 2022: 267 institutionsQ3 2022: 244 institutionsQ4 2022: 265 institutionsQ1 2023: 273 institutionsQ2 2023: 258 institutionsQ3 2023: 254 institutionsQ4 2023: 258 institutionsQ1 2024: 269 institutionsQ2 2024: 262 institutionsQ3 2024: 265 institutionsQ4 2024: 299 institutionsQ1 2025: 298 institutionsQ2 2025: 305 institutionsQ3 2025: 329 institutionsQ4 2025: 324 institutionsQ1 2026: 307 institutionsQ2 2026: 341 institutions
Value heldQ1 2026: $1.88B
Q1 2021: $2.78BQ2 2021: $2.92BQ3 2021: $4.44BQ4 2021: $5.72BQ1 2022: $3.01BQ2 2022: $1.92BQ3 2022: $1.70BQ4 2022: $2.58BQ1 2023: $2.35BQ2 2023: $2.58BQ3 2023: $1.64BQ4 2023: $2.02BQ1 2024: $1.69BQ2 2024: $1.83BQ3 2024: $1.86BQ4 2024: $2.46BQ1 2025: $1.77BQ2 2025: $2.32BQ3 2025: $2.93BQ4 2025: $2.62BQ1 2026: $1.88BQ2 2026: $3.13B
Institutions holding AMBA and their total value by quarter
QuarterHoldersValue
Q2 2026341$3.13B
Q1 2026307$1.88B
Q4 2025324$2.62B
Q3 2025329$2.93B
Q2 2025305$2.32B
Q1 2025298$1.77B
Q4 2024299$2.46B
Q3 2024265$1.86B
Q2 2024262$1.83B
Q1 2024269$1.69B
Q4 2023258$2.02B
Q3 2023254$1.64B
Q2 2023258$2.58B
Q1 2023273$2.35B
Q4 2022265$2.58B
Q3 2022244$1.70B
Q2 2022267$1.92B
Q1 2022293$3.01B
Q4 2021328$5.72B
Q3 2021281$4.44B
Q2 2021260$2.92B
Q1 2021266$2.78B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q4 2025.

Institutions holding AMBA in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Geode Capital Management, LLC1,029,229$53.0M0.00%+8,702+0.9%Added
Millennium Management LLC1,512,539$77.9M0.06%+1,342,687+790.5%Added
Manufacturers Life Insurance Company, The1,586,082$81.6M0.07%+524,937+49.5%Added
Vanguard Capital Management LLC1,814,603$93.4M0.00%+1,814,603New
State Street Corp1,976,464$101.7M0.00%+273,971+16.1%Added
Vanguard Portfolio Management LLC3,716,863$191.3M0.01%+3,716,863New
BlackRock, Inc.3,789,215$195.0M0.00%−38,634−1.0%Reduced
Jericho Capital Asset Management L.P.0$00.00%−1,587,081−100.0%Sold out
Fuller & Thaler Asset Management, Inc.0$00.00%−848,092−100.0%Sold out
Slate Path Capital LP0$00.00%−814,400−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−366,251−100.0%Sold out
Segall Bryant & Hamill, LLC0$00.00%−178,097−100.0%Sold out
Potrero Capital Research LLC0$00.00%−148,537−100.0%Sold out
S Squared Technology, LLC0$00.00%−128,551−100.0%Sold out
Tributary Capital Management, LLC0$00.00%−107,508−100.0%Sold out
Glenview Capital Management, LLC0$00.00%−100,000−100.0%Sold out
Readystate Asset Management LP0$00.00%−76,879−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−57,338−100.0%Sold out
Capital Fund Management S.A.0$00.00%−47,246−100.0%Sold out
Jane Street Group, LLC0$00.00%−46,224−100.0%Sold out
HRT Financial LP0$00.00%−39,109−100.0%Sold out
G2 Investment Partners Management LLC0$00.00%−33,078−100.0%Sold out
FirstWave Capital Management LLC0$00.00%−33,075−100.0%Sold out
PEAK6 LLC0$00.00%−32,844−100.0%Sold out
Oak Harvest Investment Services0$00.00%−31,959−100.0%Sold out
MYDA Advisors LLC0$00.00%−28,000−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−25,958−100.0%Sold out
Main Management ETF Advisors, LLC0$00.00%−17,226−100.0%Sold out
Connective Capital Management, LLC0$00.00%−14,516−100.0%Sold out
Caption Management, LLC0$00.00%−14,000−100.0%Sold out
Sona Asset Management (US) LLC0$00.00%−14,000−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−12,624−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−10,596−100.0%Sold out
WBI Investments0$00.00%−10,574−100.0%Sold out
Odyssean, LLC0$00.00%−10,347−100.0%Sold out
K.J. Harrison & Partners Inc0$00.00%−10,000−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−9,767−100.0%Sold out
Banco Santander, S.A.0$00.00%−9,446−100.0%Sold out
Lombard Odier Asset Management (USA) Corp0$00.00%−9,354−100.0%Sold out
Vista Investment Partners LLC0$00.00%−9,318−100.0%Sold out
Moody National Bank Trust Division0$00.00%−8,638−100.0%Sold out
Azzad Asset Management Inc0$00.00%−8,058−100.0%Sold out
CenterBook Partners LP0$00.00%−6,954−100.0%Sold out
Oxford Asset Management LLP0$00.00%−6,251−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−5,618−100.0%Sold out
Verition Fund Management LLC0$00.00%−4,200−100.0%Sold out
DRW Securities, LLC0$00.00%−4,149−100.0%Sold out
Armistice Capital, LLC0$00.00%−4,148−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−3,949−100.0%Sold out
Banque Pictet & Cie SA0$00.00%−3,876−100.0%Sold out
First National Bank of Omaha0$00.00%−3,543−100.0%Sold out
Callan Family Office, LLC0$00.00%−3,462−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−3,310−100.0%Sold out
Register Financial Advisors LLC0$00.00%−3,300−100.0%Sold out
Jacobs Equity LLC0$00.00%−3,275−100.0%Sold out
Xponance, Inc.0$00.00%−3,248−100.0%Sold out
Versor Investments LP0$00.00%−3,227−100.0%Sold out
CAPROCK Group, Inc.0$00.00%−3,179−100.0%Sold out
Pallas Capital Advisors LLC0$00.00%−3,109−100.0%Sold out
Knuff & Co LLC0$00.00%−3,020−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−2,950−100.0%Sold out
Amalgamated Bank0$00.00%−1,280−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−1,243−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−848−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−680−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−266−100.0%Sold out
Private Trust Co NA0$00.00%−145−100.0%Sold out
Silicon Valley Capital Partners0$00.00%−124−100.0%Sold out
Garner Asset Management Corp0$00.00%−110−100.0%Sold out
Danske Bank A/S0$00.00%−100−100.0%Sold out
Quarry LP0$00.00%−90−100.0%Sold out
Bessemer Group Inc0$00.00%−76−100.0%Sold out
Bartlett & Co. Wealth Management LLC0$00.00%−59−100.0%Sold out
Quattro Advisors LLC0$00.00%−56−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−25−100.0%Sold out
MJT & Associates Financial Advisory Group, Inc.0$00.00%−25−100.0%Sold out
Torren Management, LLC0$00.00%−17−100.0%Sold out
Hantz Financial Services, Inc.0$00.00%−12−100.0%Sold out
Golden State Wealth Management, LLC0$00.00%−12−100.0%Sold out
Optima Capital LLC0$00.00%−7−100.0%Sold out
McGuire Capital Advisors Inc0$00.00%−6−100.0%Sold out
Private Wealth Asset Management, LLC0$00.00%−4−100.0%Sold out
Vanguard Group Inc––––Not filed
CIBC Private Wealth Group, LLC––––Not filed
Global Retirement Partners, LLC––––Not filed
ORG Partners LLC––––Not filed