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 |
|---|---|---|---|---|---|
| Covestor Ltd | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 1 | $61 | 0.00% | +1 | New |
| Tortoise Investment Management, LLC | 2 | $165 | 0.00% | +2 | New |
| Private Wealth Asset Management, LLC | 4 | $330 | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 7 | $578 | 0.00% | +7 | New |
| Spire Wealth Management | 10 | $825 | 0.00% | −5−33.3% | Reduced |
| NBT Bank N A | 83 | $825 | 0.00% | +73+730.0% | Added |
| Tradewinds Capital Management, LLC | 10 | $826 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 11 | $908 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 12 | $991 | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 14 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 16 | $1.00K | 0.00% | +16 | New |
| Bare Financial Services, Inc | 14 | $1.16K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 15 | $1.24K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 17 | $1.40K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 19 | $1.57K | 0.00% | +19 | New |
| Beaird Harris Wealth Management, LLC | 22 | $1.82K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 23 | $1.90K | 0.00% | +19+475.0% | Added |
| Avion Wealth | 35 | $2.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 25 | $2.06K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 25 | $2.06K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 40 | $3.30K | 0.00% | 00.0% | Unchanged |
| MJT & Associates Financial Advisory Group, Inc. | 41 | $3.38K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 43 | $3.55K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 49 | $4.04K | 0.00% | +49 | New |
| Global Retirement Partners, LLC | 51 | $4.21K | 0.00% | +18+54.5% | Added |
| Principal Securities, Inc. | 57 | $4.70K | 0.00% | +11+23.9% | Added |
| Bartlett & Co. Wealth Management LLC | 59 | $4.87K | 0.00% | 00.0% | Unchanged |
| Chapman Financial Group, LLC | 65 | $5.36K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 66 | $5.45K | 0.00% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 70 | $5.78K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 75 | $6.19K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 99 | $8.17K | 0.00% | +1+1.0% | Added |
| Danske Bank A/S | 100 | $8.25K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 100 | $8.25K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 100 | $8.25K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 100 | $8.25K | 0.00% | +100 | New |
| Greykasell Wealth Strategies, Inc. | 115 | $9.49K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 119 | $9.86K | 0.00% | +52+77.6% | Added |
| Caldwell Sutter Capital, Inc. | 125 | $10.3K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 151 | $12.5K | 0.00% | +3+2.0% | Added |
| CIBC Private Wealth Group, LLC | 161 | $13.3K | 0.00% | −1,000−86.1% | Reduced |
| Global X Japan Co., Ltd. | 170 | $14.0K | 0.00% | +19+12.6% | Added |
| Parallel Advisors, LLC | 172 | $14.2K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 178 | $14.7K | 0.00% | +178 | New |
| Private Trust Co NA | 185 | $15.3K | 0.00% | +103+125.6% | Added |
| Larson Financial Group LLC | 188 | $15.5K | 0.00% | +20+11.9% | Added |
| Umb Bank N A | 190 | $15.7K | 0.00% | −3−1.6% | Reduced |
| Caitong International Asset Management Co., Ltd | 195 | $16.1K | 0.01% | +195 | New |
| Steward Partners Investment Advisory, LLC | 200 | $16.5K | 0.00% | +25+14.3% | Added |
| Truvestments Capital LLC | 262 | $21.6K | 0.00% | −436−62.5% | Reduced |
| Jones Financial Companies LLLP | 266 | $22.2K | 0.00% | +71+36.4% | Added |
| Ronald Blue Trust, Inc. | 275 | $22.7K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 275 | $22.7K | 0.01% | +275 | New |
| SBI Securities Co., Ltd. | 276 | $22.8K | 0.00% | +27+10.8% | Added |
| GAMMA Investing LLC | 322 | $26.6K | 0.00% | −4−1.2% | Reduced |
| AdvisorNet Financial, Inc | 340 | $28.1K | 0.00% | −50−12.8% | Reduced |
| Essential Partners LLC | 363 | $30.0K | 0.01% | +116+47.0% | Added |
| Versant Capital Management, Inc | 367 | $30.3K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 394 | $32.5K | 0.00% | +92+30.5% | Added |
| Nisa Investment Advisors, LLC | 398 | $32.8K | 0.00% | +17+4.5% | Added |
| Advisory Services Network, LLC | 401 | $33.1K | 0.00% | +401 | New |
| EverSource Wealth Advisors, LLC | 452 | $37.3K | 0.00% | +36+8.7% | Added |
| Federation des caisses Desjardins du Quebec | 460 | $38.0K | 0.00% | +125+37.3% | Added |
| CoreCap Advisors, LLC | 516 | $42.6K | 0.00% | +516 | New |
| Signaturefd, LLC | 536 | $44.2K | 0.00% | +33+6.6% | Added |
| Point72 Europe (London) LLP | 561 | $46.3K | 0.00% | +561 | New |
| Rothschild Investment LLC | 641 | $52.9K | 0.00% | +281+78.1% | Added |
| Quarry LP | 793 | $65.4K | 0.02% | +348+78.2% | Added |
| State of Wyoming | 913 | $75.3K | 0.01% | −35−3.7% | Reduced |
| Johnson Financial Group, Inc. | 1,018 | $84.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 1,043 | $86.0K | 0.00% | −100−8.7% | Reduced |
| National Bank of Canada | 1,146 | $94.5K | 0.00% | +182+18.9% | Added |
| Manchester Capital Management LLC | 1,170 | $96.5K | 0.01% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 1,266 | $104.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,330 | $110.0K | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 1,502 | $123.9K | 0.00% | +368+32.5% | Added |
| Abich Financial Wealth Management LLC | 1,905 | $157.2K | 0.06% | +1,905 | New |
| State of Alaska, Department of Revenue | 1,968 | $162.0K | 0.00% | +1,968 | New |
| Farther Finance Advisors, LLC | 1,973 | $162.8K | 0.00% | +19+1.0% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 2,035 | $167.9K | 0.03% | +2,035 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 2,139 | $176.5K | 0.00% | −9−0.4% | Reduced |
| Tower Research Capital LLC (TRC) | 2,191 | $180.8K | 0.00% | −4,733−68.4% | Reduced |
| Pacer Advisors, Inc. | 2,322 | $191.6K | 0.00% | +1,553+202.0% | Added |
| Buckingham Strategic Partners | 2,209 | $200.6K | 0.00% | +2,209 | New |
| Western Wealth Management, LLC | 2,500 | $206.3K | 0.01% | +2,500 | New |
| Torrey Growth & Income Advisors | 2,500 | $206.3K | 0.06% | +2,500 | New |
| Stoneridge Investment Partners LLC | 2,569 | $212.0K | 0.15% | +2,569 | New |
| Commonwealth Equity Services, LLC | 2,590 | $214.0K | 0.00% | −3,205−55.3% | Reduced |
| Two Sigma Advisers, LP | 2,600 | $214.6K | 0.00% | +2,600 | New |
| Group One Trading, L.P. | 2,611 | $215.5K | 0.01% | +2,611 | New |
| TradeLink Capital LLC | 2,630 | $217.0K | 1.69% | +2,630 | New |
| Gotham Asset Management, LLC | 2,672 | $220.5K | 0.00% | +2,672 | New |
| Winslow Asset Management Inc | 2,740 | $226.0K | 0.04% | −1,285−31.9% | Reduced |
| First Manhattan Co | 2,745 | $226.5K | 0.00% | +2,745 | New |
| McCollum Christoferson Group LLC | 2,750 | $226.9K | 0.07% | +2,750 | New |
| Point72 (DIFC) Ltd | 2,866 | $236.5K | 0.02% | +2,866 | New |
| Heritage Family Offices, LLP | 2,870 | $236.8K | 0.11% | +2,870 | New |
| Farringdon Capital, Ltd. | 2,904 | $239.6K | 0.06% | +2,904 | New |
| Pallas Capital Advisors LLC | 2,919 | $240.9K | 0.01% | +2,919 | New |