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 8 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 |
|---|---|---|---|---|---|
| Voloridge Investment Management, LLC | 24,038 | $1.98M | 0.01% | −154,022−86.5% | Reduced |
| MetLife Investment Management | 23,698 | $1.96M | 0.01% | −611−2.5% | Reduced |
| First National Bank of Omaha | 23,545 | $1.94M | 0.12% | −6,556−21.8% | Reduced |
| Boothbay Fund Management, LLC | 23,046 | $1.90M | 0.05% | +23,046 | New |
| Citigroup Inc | 22,934 | $1.89M | 0.00% | −25,722−52.9% | Reduced |
| KBC Group NV | 21,795 | $1.80M | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 21,171 | $1.75M | 0.10% | +21,171 | New |
| Virtus ETF Advisers LLC | 20,930 | $1.73M | 0.95% | −2,760−11.7% | Reduced |
| Primecap Management Co | 20,900 | $1.72M | 0.00% | −1,000−4.6% | Reduced |
| Collar Capital Management, LLC | 20,701 | $1.71M | 1.20% | −100−0.5% | Reduced |
| Fox Run Management, L.L.C. | 19,230 | $1.59M | 0.25% | +10,994+133.5% | Added |
| McDonald Partners LLC | 19,096 | $1.58M | 0.47% | −150−0.8% | Reduced |
| Intech Investment Management LLC | 18,871 | $1.56M | 0.01% | −3,672−16.3% | Reduced |
| Two Sigma Investments, LP | 18,568 | $1.53M | 0.00% | −12,188−39.6% | Reduced |
| Pathstone Holdings, LLC | 18,260 | $1.51M | 0.01% | −29−0.2% | Reduced |
| Janus Henderson Group PLC | 17,898 | $1.48M | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 17,596 | $1.45M | 0.00% | −11,701−39.9% | Reduced |
| Stifel Financial Corp | 17,391 | $1.44M | 0.00% | −1,106−6.0% | Reduced |
| Linden Thomas Advisory Services, LLC | 17,211 | $1.42M | 0.14% | +43+0.3% | Added |
| Main Management ETF Advisors, LLC | 17,050 | $1.41M | 0.05% | +17,050 | New |
| Graham Capital Management, L.P. | 16,476 | $1.36M | 0.05% | −35,534−68.3% | Reduced |
| LPL Financial LLC | 16,454 | $1.36M | 0.00% | −1,097−6.3% | Reduced |
| Headlands Technologies LLC | 16,387 | $1.35M | 0.11% | +16,387 | New |
| Aquatic Capital Management LLC | 15,674 | $1.29M | 0.02% | +15,674 | New |
| Gamco Investors, Inc. Et Al | 15,199 | $1.25M | 0.01% | −977−6.0% | Reduced |
| Mackenzie Financial Corp | 15,169 | $1.25M | 0.00% | −7,001−31.6% | Reduced |
| Ieq Capital, LLC | 15,038 | $1.24M | 0.00% | +2,898+23.9% | Added |
| Red Spruce Capital, LLC | 15,028 | $1.24M | 0.51% | −21−0.1% | Reduced |
| New York State Common Retirement Fund | 14,303 | $1.18M | 0.00% | 00.0% | Unchanged |
| Legato Capital Management LLC | 14,280 | $1.18M | 0.13% | 00.0% | Unchanged |
| White Pine Capital LLC | 14,249 | $1.18M | 0.34% | −496−3.4% | Reduced |
| Connective Capital Management, LLC | 13,934 | $1.15M | 1.06% | +13,934 | New |
| Summit Global Investments | 13,831 | $1.14M | 0.07% | +1,165+9.2% | Added |
| Sigma Planning Corp | 13,819 | $1.14M | 0.03% | +8,166+144.5% | Added |
| Campbell & CO Investment Adviser LLC | 13,777 | $1.14M | 0.09% | +10,259+291.6% | Added |
| Natixis Advisors, L.P. | 13,721 | $1.13M | 0.00% | +204+1.5% | Added |
| STRS Ohio | 13,600 | $1.12M | 0.00% | −1,500−9.9% | Reduced |
| Lazard Asset Management LLC | 13,455 | $1.11M | 0.00% | +3,481+34.9% | Added |
| Neo Ivy Capital Management | 13,244 | $1.09M | 0.27% | +13,067+7,382.5% | Added |
| Perbak Capital Partners LLP | 13,133 | $1.08M | 0.19% | +484+3.8% | Added |
| Moody National Bank Trust Division | 12,993 | $1.07M | 0.09% | +20+0.2% | Added |
| Versor Investments LP | 12,030 | $992.7K | 0.18% | −770−6.0% | Reduced |
| Arizona State Retirement System | 11,899 | $981.9K | 0.01% | +157+1.3% | Added |
| Azzad Asset Management Inc | 11,883 | $980.6K | 0.10% | −1,666−12.3% | Reduced |
| ProShare Advisors LLC | 11,767 | $971.0K | 0.00% | −295−2.4% | Reduced |
| Los Angeles Capital Management LLC | 11,531 | $951.5K | 0.00% | +4,152+56.3% | Added |
| State of Wisconsin Investment Board | 11,423 | $942.6K | 0.00% | −14−0.1% | Reduced |
| Bayesian Capital Management, LP | 11,400 | $940.7K | 0.19% | +11,400 | New |
| Cerity Partners LLC | 11,375 | $938.7K | 0.00% | +3,323+41.3% | Added |
| Robeco Institutional Asset Management B.V. | 11,353 | $936.8K | 0.00% | +7,162+170.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,272 | $930.2K | 0.01% | +2,042+22.1% | Added |
| State Board of Administration of Florida Retirement System | 10,760 | $887.9K | 0.00% | −25−0.2% | Reduced |
| Thrivent Financial for Lutherans | 10,574 | $873.0K | 0.00% | −9,589−47.6% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 10,564 | $871.7K | 0.03% | −457−4.1% | Reduced |
| Ofi Invest Asset Management | 11,974 | $840.9K | 0.02% | 00.0% | Unchanged |
| Steel Peak Wealth Management LLC | 10,129 | $835.8K | 0.03% | +10,129 | New |
| Gsa Capital Partners LLP | 10,115 | $835.0K | 0.07% | −10,985−52.1% | Reduced |
| Keel Point, LLC | 10,027 | $827.4K | 0.05% | +21+0.2% | Added |
| Banco Santander, S.A. | 9,446 | $779.5K | 0.01% | +9,446 | New |
| Verition Fund Management LLC | 9,102 | $751.1K | 0.00% | −10,296−53.1% | Reduced |
| Leonteq Securities AG | 9,020 | $744.3K | 0.04% | −4,582−33.7% | Reduced |
| KLP Kapitalforvaltning AS | 8,800 | $726.2K | 0.00% | 00.0% | Unchanged |
| Vista Investment Partners LLC | 8,712 | $718.9K | 0.20% | +8,712 | New |
| Ensign Peak Advisors, Inc | 8,590 | $708.8K | 0.00% | −3,700−30.1% | Reduced |
| Mariner, LLC | 8,574 | $707.5K | 0.00% | +219+2.6% | Added |
| Quantinno Capital Management LP | 8,550 | $705.5K | 0.00% | +1,487+21.1% | Added |
| Bridgefront Capital, LLC | 8,515 | $702.7K | 0.21% | +2,586+43.6% | Added |
| Magnetar Financial LLC | 8,420 | $694.8K | 0.00% | +8,420 | New |
| Wealth Enhancement Advisory Services, LLC | 8,212 | $670.0K | 0.00% | +1,214+17.3% | Added |
| Advisor Group Holdings, Inc. | 8,084 | $667.2K | 0.00% | +512+6.8% | Added |
| Oak Associates, Ltd | 7,803 | $644.0K | 0.04% | −82−1.0% | Reduced |
| Captrust Financial Advisors | 7,777 | $641.8K | 0.00% | −1,530−16.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,722 | $637.2K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 7,363 | $607.6K | 0.00% | −3,726−33.6% | Reduced |
| CWM, LLC | 7,300 | $602.0K | 0.00% | +1,276+21.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 6,686 | $551.7K | 0.00% | −1,656−19.9% | Reduced |
| Oxford Asset Management LLP | 6,207 | $512.2K | 0.17% | +3,123+101.3% | Added |
| HighTower Advisors, LLC | 6,142 | $506.8K | 0.00% | +6,142 | New |
| Cresset Asset Management, LLC | 6,047 | $499.0K | 0.00% | −66−1.1% | Reduced |
| Phoenix Holdings Ltd. | 5,800 | $478.9K | 0.01% | +1,400+31.8% | Added |
| Centaurus Financial, Inc. | 5,710 | $471.0K | 0.02% | +102+1.8% | Added |
| Mercer Global Advisors Inc | 5,681 | $468.8K | 0.00% | +1,387+32.3% | Added |
| Quantbot Technologies LP | 5,515 | $455.1K | 0.01% | −6,274−53.2% | Reduced |
| Capstone Investment Advisors, LLC | 5,444 | $449.2K | 0.00% | −6,357−53.9% | Reduced |
| Simplex Trading, LLC | 5,290 | $436.0K | 0.01% | −813−13.3% | Reduced |
| Teacher Retirement System of Texas | 5,277 | $435.5K | 0.00% | −839−13.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 5,251 | $433.3K | 0.00% | +5,251 | New |
| Pictet Asset Management Holding SA | 5,223 | $431.0K | 0.00% | −1,092−17.3% | Reduced |
| WBI Investments | 5,007 | $413.2K | 0.11% | +5,007 | New |
| 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 |
| Lombard Odier Asset Management (USA) Corp | 4,950 | $408.5K | 0.09% | −1,488−23.1% | Reduced |
| Vident Advisory, LLC | 4,912 | $405.3K | 0.00% | −124−2.5% | Reduced |
| Banque Pictet & Cie SA | 4,788 | $395.1K | 0.00% | −30−0.6% | Reduced |
| Victory Capital Management Inc | 4,619 | $381.2K | 0.00% | −128−2.7% | Reduced |
| Bayforest Capital Ltd | 4,554 | $375.8K | 0.18% | −4,907−51.9% | Reduced |
| First National Advisers, LLC | 4,550 | $375.5K | 0.05% | −1,290−22.1% | Reduced |
| JustInvest LLC | 4,537 | $374.4K | 0.00% | +142+3.2% | Added |
| The PNC Financial Services Group, Inc. | 4,512 | $372.3K | 0.00% | −118−2.5% | Reduced |
| CIBC Bancorp USA Inc. | 4,343 | $358.4K | 0.00% | +4,343 | New |