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 2025
Institutional positions in Ambarella Inc as of Mar 31, 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
- 298
- +4 vs. Q4 2024
- Shares held
- 35.3M
- +2.13M (+6.4%) vs. Q4 2024
- Total value
- $1.77B
- −$635.6M (−26.4%) vs. Q4 2024
- New holders
- 57
- 115 more added
- Sold out
- 53
- 94 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 | $2.69B |
| Q3 2025 | 329 | $2.95B |
| Q2 2025 | 305 | $2.33B |
| Q1 2025 | 298 | $1.78B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.87B |
| Q2 2024 | 262 | $1.86B |
| Q1 2024 | 269 | $1.84B |
| Q4 2023 | 258 | $2.15B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 272 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.78B |
| Q2 2022 | 267 | $1.96B |
| Q1 2022 | 293 | $3.09B |
| Q4 2021 | 328 | $5.73B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 259 | $2.99B |
| Q1 2021 | 266 | $2.80B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,848,305 | $244.0M | 0.00% | +152,181+3.2% | Added |
| BlackRock, Inc. | 3,789,706 | $190.7M | 0.00% | −34,939−0.9% | Reduced |
| State Street Corp | 1,703,476 | $85.7M | 0.00% | +116,802+7.4% | Added |
| Manufacturers Life Insurance Company, The | 1,318,557 | $66.4M | 0.06% | −133,571−9.2% | Reduced |
| UBS Asset Management Americas Inc | 1,232,272 | $62.0M | 0.02% | +579,917+88.9% | Added |
| Geode Capital Management, LLC | 947,910 | $47.7M | 0.00% | +33,376+3.6% | Added |
| Fuller & Thaler Asset Management, Inc. | 910,911 | $45.8M | 0.18% | +185,444+25.6% | Added |
| Millennium Management LLC | 910,171 | $45.8M | 0.04% | −484,021−34.7% | Reduced |
| Kodai Capital Management LP | 904,536 | $45.5M | 1.80% | +125,983+16.2% | Added |
| Morgan Stanley | 761,870 | $38.3M | 0.00% | −80,943−9.6% | Reduced |
| Citadel Advisors LLC | 711,253 | $35.8M | 0.04% | −137,726−16.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 647,788 | $32.6M | 0.13% | +610,460+1,635.4% | Added |
| Nuveen, LLC | 639,160 | $32.2M | 0.01% | +639,160 | New |
| Legal & General Group Plc | 580,560 | $29.2M | 0.01% | +127,867+28.2% | Added |
| Bank of America Corp | 575,533 | $29.0M | 0.00% | +188,910+48.9% | Added |
| Oberweis Asset Management Inc | 568,825 | $28.6M | 1.43% | +386,025+211.2% | Added |
| Dimensional Fund Advisors LP | 543,683 | $27.4M | 0.01% | −79,436−12.7% | Reduced |
| Stephens Investment Management Group LLC | 499,775 | $25.2M | 0.36% | −3,693−0.7% | Reduced |
| Pinnacle Associates Ltd | 496,094 | $25.0M | 0.37% | −18,744−3.6% | Reduced |
| Woodline Partners LP | 441,385 | $22.2M | 0.14% | +178,052+67.6% | Added |
| Goldman Sachs Group Inc | 421,125 | $21.2M | 0.00% | −302,156−41.8% | Reduced |
| Robeco Schweiz AG | 419,120 | $21.1M | 0.52% | +144,200+52.5% | Added |
| Northern Trust Corp | 386,686 | $19.5M | 0.00% | +3,650+1.0% | Added |
| Tairen Capital Ltd | 383,120 | $19.3M | 1.27% | +383,120 | New |
| Exchange Traded Concepts, LLC | 381,872 | $19.2M | 0.34% | +97,911+34.5% | Added |
| AXA S.A. | 362,554 | $18.2M | 0.06% | −9,210−2.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 357,771 | $18.0M | 0.08% | +52,376+17.2% | Added |
| Renaissance Technologies LLC | 357,700 | $18.0M | 0.03% | +314,700+731.9% | Added |
| Charles Schwab Investment Management Inc | 323,500 | $16.3M | 0.00% | −1,501−0.5% | Reduced |
| Segall Bryant & Hamill, LLC | 309,520 | $15.6M | 0.24% | +309,520 | New |
| Barclays PLC | 309,040 | $15.6M | 0.01% | +91,140+41.8% | Added |
| Invesco Ltd. | 306,356 | $15.4M | 0.00% | −29,374−8.7% | Reduced |
| Baillie Gifford & Co | 289,923 | $14.6M | 0.01% | −39,277−11.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 285,192 | $14.4M | 0.03% | −6,874−2.4% | Reduced |
| Qube Research & Technologies Ltd | 282,397 | $14.2M | 0.02% | +226,390+404.2% | Added |
| Assenagon Asset Management S.A. | 258,122 | $13.0M | 0.02% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 240,415 | $12.1M | 1.06% | −47,150−16.4% | Reduced |
| Algert Global LLC | 238,301 | $12.0M | 0.30% | +29,870+14.3% | Added |
| JPMorgan Chase & Co | 230,327 | $11.6M | 0.00% | +56,718+32.7% | Added |
| FMR LLC | 228,416 | $11.5M | 0.00% | +136,688+149.0% | Added |
| Intrinsic Edge Capital Management LLC | 210,000 | $10.6M | 2.22% | +210,000 | New |
| Alliancebernstein L.P. | 194,010 | $9.76M | 0.00% | +4,775+2.5% | Added |
| Lord, Abbett & Co. LLC | 178,299 | $8.97M | 0.03% | +45,239+34.0% | Added |
| First Trust Advisors LP | 170,952 | $8.60M | 0.01% | +42,494+33.1% | Added |
| S Squared Technology, LLC | 170,551 | $8.58M | 4.39% | +45,000+35.8% | Added |
| UBS Group AG | 151,223 | $7.61M | 0.00% | −204,000−57.4% | Reduced |
| Bank of New York Mellon Corp | 150,305 | $7.56M | 0.00% | −592−0.4% | Reduced |
| Hel Ved Capital Management Ltd | 122,330 | $6.16M | 3.10% | +122,330 | New |
| Neuberger Berman Group LLC | 120,704 | $6.08M | 0.01% | +69,960+137.9% | Added |
| Sora Investors LLC | 120,680 | $6.07M | 0.74% | −232,692−65.8% | Reduced |
| Cubist Systematic Strategies, LLC | 120,432 | $6.06M | 0.08% | +71,752+147.4% | Added |
| Ameriprise Financial Inc | 120,269 | $6.05M | 0.00% | +115,644+2,500.4% | Added |
| Acadian Asset Management LLC | 113,819 | $5.72M | 0.02% | −7,742−6.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 110,887 | $5.58M | 0.01% | +4,276+4.0% | Added |
| Tudor Investment Corp Et Al | 107,764 | $5.42M | 0.05% | +107,764 | New |
| Point72 Asset Management, L.P. | 94,857 | $4.77M | 0.01% | −707,423−88.2% | Reduced |
| Meridiem Capital Partners LP | 89,720 | $4.52M | 0.49% | +89,720 | New |
| Walleye Capital LLC | 87,472 | $4.40M | 0.05% | +87,472 | New |
| Essex Investment Management Co LLC | 86,431 | $4.35M | 0.91% | −4,091−4.5% | Reduced |
| AQR Capital Management LLC | 84,871 | $4.27M | 0.00% | +47,414+126.6% | Added |
| Trexquant Investment LP | 78,240 | $3.94M | 0.05% | +47,461+154.2% | Added |
| Swiss National Bank | 76,733 | $3.86M | 0.00% | −300−0.4% | Reduced |
| SWS Partners | 75,926 | $3.82M | 1.25% | +8,518+12.6% | Added |
| Deutsche Bank AG | 75,714 | $3.81M | 0.00% | +185+0.2% | Added |
| Russell Investments Group, Ltd. | 75,169 | $3.78M | 0.01% | +52,570+232.6% | Added |
| ArrowMark Colorado Holdings LLC | 75,000 | $3.77M | 0.06% | −10,000−11.8% | Reduced |
| Hillsdale Investment Management Inc. | 73,290 | $3.69M | 0.19% | +3,900+5.6% | Added |
| Royal Bank of Canada | 64,744 | $3.26M | 0.00% | +1,307+2.1% | Added |
| Man Group plc | 64,073 | $3.22M | 0.01% | +49,079+327.3% | Added |
| Susquehanna International Group, LLP | 59,835 | $3.01M | 0.00% | +42,084+237.1% | Added |
| Graham Capital Management, L.P. | 59,728 | $3.01M | 0.10% | +28,895+93.7% | Added |
| Rhumbline Advisers | 58,571 | $2.95M | 0.00% | +2,249+4.0% | Added |
| SG Capital Management LLC | 56,355 | $2.84M | 0.29% | −46,017−45.0% | Reduced |
| Twinbeech Capital LP | 55,296 | $2.78M | 0.05% | +55,296 | New |
| Schonfeld Strategic Advisors LLC | 51,760 | $2.61M | 0.02% | +45,206+689.7% | Added |
| Wells Fargo & Company | 50,298 | $2.53M | 0.00% | −3,099−5.8% | Reduced |
| Envestnet Asset Management Inc | 46,952 | $2.36M | 0.00% | −5,367−10.3% | Reduced |
| Balyasny Asset Management LLC | 46,200 | $2.33M | 0.01% | −584,307−92.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 45,706 | $2.30M | 0.04% | −4,143−8.3% | Reduced |
| Granite Investment Partners, LLC | 45,107 | $2.27M | 0.12% | −6,670−12.9% | Reduced |
| Jane Street Group, LLC | 44,821 | $2.26M | 0.00% | +2,863+6.8% | Added |
| Canada Pension Plan Investment Board | 44,676 | $2.25M | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 42,257 | $2.13M | 0.00% | −3,106−6.8% | Reduced |
| Citigroup Inc | 41,720 | $2.10M | 0.00% | −16,785−28.7% | Reduced |
| BNP Paribas Arbitrage, SA | 41,463 | $2.09M | 0.00% | +10,457+33.7% | Added |
| PEAK6 LLC | 37,467 | $1.89M | 0.07% | +20,957+126.9% | Added |
| Edgestream Partners, L.P. | 35,985 | $1.81M | 0.06% | +35,985 | New |
| California State Teachers Retirement System | 35,800 | $1.80M | 0.00% | −766−2.1% | Reduced |
| Nebula Research & Development LLC | 33,274 | $1.67M | 0.15% | +9,050+37.4% | Added |
| Janus Henderson Group PLC | 32,607 | $1.65M | 0.00% | +3,416+11.7% | Added |
| HSBC Holdings PLC | 32,623 | $1.62M | 0.00% | −930−2.8% | Reduced |
| Sender Co & Partners, Inc. | 31,276 | $1.57M | 1.17% | +18,524+145.3% | Added |
| Gsa Capital Partners LLP | 29,996 | $1.51M | 0.14% | +15,585+108.1% | Added |
| First National Bank of Omaha | 29,677 | $1.49M | 0.10% | −3,796−11.3% | Reduced |
| Occudo Quantitative Strategies LP | 29,080 | $1.47M | 0.20% | +24,323+511.3% | Added |
| Price T Rowe Associates Inc | 28,748 | $1.45M | 0.00% | +3,367+13.3% | Added |
| Verition Fund Management LLC | 27,107 | $1.36M | 0.01% | −20,806−43.4% | Reduced |
| Prudential Financial Inc | 21,946 | $1.35M | 0.00% | +21,946 | New |
| Principal Financial Group Inc | 25,794 | $1.30M | 0.00% | +9,857+61.8% | Added |
| Intech Investment Management LLC | 25,586 | $1.29M | 0.01% | +8,306+48.1% | Added |