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, Q3 2025
Institutional positions in Ambarella Inc as of Sep 30, 2025. 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
- 329
- +26 vs. Q2 2025
- Shares held
- 35.6M
- +432.6K (+1.2%) vs. Q2 2025
- Total value
- $2.93B
- +$613.6M (+26.4%) vs. Q2 2025
- New holders
- 66
- 113 more added
- Sold out
- 40
- 105 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 2,924 | $241.3K | 0.00% | +2,924 | New |
| Polymer Capital Management (US) LLC | 3,010 | $248.4K | 0.03% | −3,578−54.3% | Reduced |
| Principal Financial Group Inc | 3,119 | $257.4K | 0.00% | +3,119 | New |
| Asset Management One Co.,Ltd. | 3,125 | $257.9K | 0.00% | −2,282−42.2% | Reduced |
| Janney Montgomery Scott LLC | 3,162 | $261.0K | 0.00% | −11−0.3% | Reduced |
| Change Path, LLC | 3,169 | $261.5K | 0.01% | +3,169 | New |
| DRW Securities, LLC | 3,187 | $263.5K | 0.01% | +3,187 | New |
| Aigen Investment Management, LP | 3,207 | $264.6K | 0.04% | +3,207 | New |
| NorthCrest Asset Manangement, LLC | 3,288 | $268.2K | 0.01% | −145−4.2% | Reduced |
| US Bancorp | 3,291 | $271.6K | 0.00% | −10,365−75.9% | Reduced |
| Register Financial Advisors LLC | 3,300 | $272.3K | 0.11% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,404 | $280.9K | 0.01% | −756−18.2% | Reduced |
| Rockefeller Capital Management L.P. | 3,441 | $284.0K | 0.00% | +3,441 | New |
| CAPROCK Group, Inc. | 3,481 | $287.1K | 0.01% | +3,481 | New |
| Xponance, Inc. | 3,516 | $290.1K | 0.00% | −514−12.8% | Reduced |
| Scientech Research LLC | 3,548 | $292.8K | 0.10% | +3,548 | New |
| Walleye Capital LLC | 3,565 | $294.2K | 0.00% | −5,213−59.4% | Reduced |
| Canada Pension Plan Investment Board | 3,600 | $297.1K | 0.00% | +1,200+50.0% | Added |
| Pitcairn Co | 3,613 | $298.1K | 0.02% | −952−20.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 3,638 | $300.2K | 0.01% | −15,971−81.4% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 3,695 | $304.9K | 0.00% | +51+1.4% | Added |
| SRS Capital Advisors, Inc. | 3,799 | $313.5K | 0.00% | +3,563+1,509.7% | Added |
| Stephens Inc | 3,804 | $313.9K | 0.00% | +137+3.7% | Added |
| State of Tennessee, Treasury Department | 3,828 | $315.9K | 0.00% | −5,825−60.3% | Reduced |
| Trust Point Inc. | 3,884 | $320.5K | 0.03% | +238+6.5% | Added |
| Public Employees Retirement Association of Colorado | 4,125 | $340.0K | 0.00% | 00.0% | Unchanged |
| PharVision Advisers, LLC | 4,153 | $342.7K | 0.19% | +4,153 | New |
| Cim Investment Mangement Inc | 4,188 | $345.6K | 0.09% | −4,510−51.9% | Reduced |
| Bailard, Inc. | 4,208 | $347.2K | 0.01% | +8+0.2% | Added |
| CIBC Bancorp USA Inc. | 4,343 | $358.4K | 0.00% | +4,343 | New |
| The PNC Financial Services Group, Inc. | 4,512 | $372.3K | 0.00% | −118−2.5% | Reduced |
| JustInvest LLC | 4,537 | $374.4K | 0.00% | +142+3.2% | Added |
| First National Advisers, LLC | 4,550 | $375.5K | 0.05% | −1,290−22.1% | Reduced |
| Bayforest Capital Ltd | 4,554 | $375.8K | 0.18% | −4,907−51.9% | Reduced |
| Victory Capital Management Inc | 4,619 | $381.2K | 0.00% | −128−2.7% | Reduced |
| Banque Pictet & Cie SA | 4,788 | $395.1K | 0.00% | −30−0.6% | Reduced |
| Vident Advisory, LLC | 4,912 | $405.3K | 0.00% | −124−2.5% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 4,950 | $408.5K | 0.09% | −1,488−23.1% | Reduced |
| First Community Trust NA | 5,000 | $412.6K | 0.32% | 00.0% | Unchanged |
| Oak Harvest Investment Services | 5,000 | $412.6K | 0.05% | +5,000 | New |
| WBI Investments | 5,007 | $413.2K | 0.11% | +5,007 | New |
| Pictet Asset Management Holding SA | 5,223 | $431.0K | 0.00% | −1,092−17.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 5,251 | $433.3K | 0.00% | +5,251 | New |
| Teacher Retirement System of Texas | 5,277 | $435.5K | 0.00% | −839−13.7% | Reduced |
| Simplex Trading, LLC | 5,290 | $436.0K | 0.01% | −813−13.3% | Reduced |
| Capstone Investment Advisors, LLC | 5,444 | $449.2K | 0.00% | −6,357−53.9% | Reduced |
| Quantbot Technologies LP | 5,515 | $455.1K | 0.01% | −6,274−53.2% | Reduced |
| Mercer Global Advisors Inc | 5,681 | $468.8K | 0.00% | +1,387+32.3% | Added |
| Centaurus Financial, Inc. | 5,710 | $471.0K | 0.02% | +102+1.8% | Added |
| Phoenix Holdings Ltd. | 5,800 | $478.9K | 0.01% | +1,400+31.8% | Added |
| Cresset Asset Management, LLC | 6,047 | $499.0K | 0.00% | −66−1.1% | Reduced |
| HighTower Advisors, LLC | 6,142 | $506.8K | 0.00% | +6,142 | New |
| Oxford Asset Management LLP | 6,207 | $512.2K | 0.17% | +3,123+101.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 6,686 | $551.7K | 0.00% | −1,656−19.9% | Reduced |
| CWM, LLC | 7,300 | $602.0K | 0.00% | +1,276+21.2% | Added |
| Voya Investment Management LLC | 7,363 | $607.6K | 0.00% | −3,726−33.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,722 | $637.2K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 7,777 | $641.8K | 0.00% | −1,530−16.4% | Reduced |
| Oak Associates, Ltd | 7,803 | $644.0K | 0.04% | −82−1.0% | Reduced |
| Advisor Group Holdings, Inc. | 8,084 | $667.2K | 0.00% | +512+6.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 8,212 | $670.0K | 0.00% | +1,214+17.3% | Added |
| Magnetar Financial LLC | 8,420 | $694.8K | 0.00% | +8,420 | New |
| Bridgefront Capital, LLC | 8,515 | $702.7K | 0.21% | +2,586+43.6% | Added |
| Quantinno Capital Management LP | 8,550 | $705.5K | 0.00% | +1,487+21.1% | Added |
| Mariner, LLC | 8,574 | $707.5K | 0.00% | +219+2.6% | Added |
| Ensign Peak Advisors, Inc | 8,590 | $708.8K | 0.00% | −3,700−30.1% | Reduced |
| Vista Investment Partners LLC | 8,712 | $718.9K | 0.20% | +8,712 | New |
| KLP Kapitalforvaltning AS | 8,800 | $726.2K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 9,020 | $744.3K | 0.04% | −4,582−33.7% | Reduced |
| Verition Fund Management LLC | 9,102 | $751.1K | 0.00% | −10,296−53.1% | Reduced |
| Banco Santander, S.A. | 9,446 | $779.5K | 0.01% | +9,446 | New |
| Keel Point, LLC | 10,027 | $827.4K | 0.05% | +21+0.2% | Added |
| Gsa Capital Partners LLP | 10,115 | $835.0K | 0.07% | −10,985−52.1% | Reduced |
| Steel Peak Wealth Management LLC | 10,129 | $835.8K | 0.03% | +10,129 | New |
| Ofi Invest Asset Management | 11,974 | $840.9K | 0.02% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 10,564 | $871.7K | 0.03% | −457−4.1% | Reduced |
| Thrivent Financial for Lutherans | 10,574 | $873.0K | 0.00% | −9,589−47.6% | Reduced |
| State Board of Administration of Florida Retirement System | 10,760 | $887.9K | 0.00% | −25−0.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,272 | $930.2K | 0.01% | +2,042+22.1% | Added |
| Robeco Institutional Asset Management B.V. | 11,353 | $936.8K | 0.00% | +7,162+170.9% | Added |
| Cerity Partners LLC | 11,375 | $938.7K | 0.00% | +3,323+41.3% | Added |
| Bayesian Capital Management, LP | 11,400 | $940.7K | 0.19% | +11,400 | New |
| State of Wisconsin Investment Board | 11,423 | $942.6K | 0.00% | −14−0.1% | Reduced |
| Los Angeles Capital Management LLC | 11,531 | $951.5K | 0.00% | +4,152+56.3% | Added |
| ProShare Advisors LLC | 11,767 | $971.0K | 0.00% | −295−2.4% | Reduced |
| Azzad Asset Management Inc | 11,883 | $980.6K | 0.10% | −1,666−12.3% | Reduced |
| Arizona State Retirement System | 11,899 | $981.9K | 0.01% | +157+1.3% | Added |
| Versor Investments LP | 12,030 | $992.7K | 0.18% | −770−6.0% | Reduced |
| Moody National Bank Trust Division | 12,993 | $1.07M | 0.09% | +20+0.2% | Added |
| Perbak Capital Partners LLP | 13,133 | $1.08M | 0.19% | +484+3.8% | Added |
| Neo Ivy Capital Management | 13,244 | $1.09M | 0.27% | +13,067+7,382.5% | Added |
| Lazard Asset Management LLC | 13,455 | $1.11M | 0.00% | +3,481+34.9% | Added |
| STRS Ohio | 13,600 | $1.12M | 0.00% | −1,500−9.9% | Reduced |
| Natixis Advisors, L.P. | 13,721 | $1.13M | 0.00% | +204+1.5% | Added |
| Campbell & CO Investment Adviser LLC | 13,777 | $1.14M | 0.09% | +10,259+291.6% | Added |
| Sigma Planning Corp | 13,819 | $1.14M | 0.03% | +8,166+144.5% | Added |
| Summit Global Investments | 13,831 | $1.14M | 0.07% | +1,165+9.2% | Added |
| Connective Capital Management, LLC | 13,934 | $1.15M | 1.06% | +13,934 | New |
| White Pine Capital LLC | 14,249 | $1.18M | 0.34% | −496−3.4% | Reduced |
| Legato Capital Management LLC | 14,280 | $1.18M | 0.13% | 00.0% | Unchanged |