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, 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 | $2.62B |
| 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, 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 |
|---|---|---|---|---|---|
| Prudential Financial Inc | 21,946 | $1.35M | 0.00% | +21,946 | New |
| Verition Fund Management LLC | 27,107 | $1.36M | 0.01% | −20,806−43.4% | Reduced |
| Price T Rowe Associates Inc | 28,748 | $1.45M | 0.00% | +3,367+13.3% | Added |
| Occudo Quantitative Strategies LP | 29,080 | $1.47M | 0.20% | +24,323+511.3% | Added |
| First National Bank of Omaha | 29,677 | $1.49M | 0.10% | −3,796−11.3% | Reduced |
| Gsa Capital Partners LLP | 29,996 | $1.51M | 0.14% | +15,585+108.1% | Added |
| Sender Co & Partners, Inc. | 31,276 | $1.57M | 1.17% | +18,524+145.3% | Added |
| HSBC Holdings PLC | 32,623 | $1.62M | 0.00% | −930−2.8% | Reduced |
| Janus Henderson Group PLC | 32,607 | $1.65M | 0.00% | +3,416+11.7% | Added |
| Nebula Research & Development LLC | 33,274 | $1.67M | 0.15% | +9,050+37.4% | Added |
| California State Teachers Retirement System | 35,800 | $1.80M | 0.00% | −766−2.1% | Reduced |
| Edgestream Partners, L.P. | 35,985 | $1.81M | 0.06% | +35,985 | New |
| PEAK6 LLC | 37,467 | $1.89M | 0.07% | +20,957+126.9% | Added |
| BNP Paribas Arbitrage, SA | 41,463 | $2.09M | 0.00% | +10,457+33.7% | Added |
| Citigroup Inc | 41,720 | $2.10M | 0.00% | −16,785−28.7% | Reduced |
| Franklin Resources Inc | 42,257 | $2.13M | 0.00% | −3,106−6.8% | Reduced |
| Canada Pension Plan Investment Board | 44,676 | $2.25M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 44,821 | $2.26M | 0.00% | +2,863+6.8% | Added |
| Granite Investment Partners, LLC | 45,107 | $2.27M | 0.12% | −6,670−12.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 45,706 | $2.30M | 0.04% | −4,143−8.3% | Reduced |
| Balyasny Asset Management LLC | 46,200 | $2.33M | 0.01% | −584,307−92.7% | Reduced |
| Envestnet Asset Management Inc | 46,952 | $2.36M | 0.00% | −5,367−10.3% | Reduced |
| Wells Fargo & Company | 50,298 | $2.53M | 0.00% | −3,099−5.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 51,760 | $2.61M | 0.02% | +45,206+689.7% | Added |
| Twinbeech Capital LP | 55,296 | $2.78M | 0.05% | +55,296 | New |
| SG Capital Management LLC | 56,355 | $2.84M | 0.29% | −46,017−45.0% | Reduced |
| Rhumbline Advisers | 58,571 | $2.95M | 0.00% | +2,249+4.0% | Added |
| Graham Capital Management, L.P. | 59,728 | $3.01M | 0.10% | +28,895+93.7% | Added |
| Susquehanna International Group, LLP | 59,835 | $3.01M | 0.00% | +42,084+237.1% | Added |
| Man Group plc | 64,073 | $3.22M | 0.01% | +49,079+327.3% | Added |
| Royal Bank of Canada | 64,744 | $3.26M | 0.00% | +1,307+2.1% | Added |
| Hillsdale Investment Management Inc. | 73,290 | $3.69M | 0.19% | +3,900+5.6% | Added |
| ArrowMark Colorado Holdings LLC | 75,000 | $3.77M | 0.06% | −10,000−11.8% | Reduced |
| Russell Investments Group, Ltd. | 75,169 | $3.78M | 0.01% | +52,570+232.6% | Added |
| Deutsche Bank AG | 75,714 | $3.81M | 0.00% | +185+0.2% | Added |
| SWS Partners | 75,926 | $3.82M | 1.25% | +8,518+12.6% | Added |
| Swiss National Bank | 76,733 | $3.86M | 0.00% | −300−0.4% | Reduced |
| Trexquant Investment LP | 78,240 | $3.94M | 0.05% | +47,461+154.2% | Added |
| AQR Capital Management LLC | 84,871 | $4.27M | 0.00% | +47,414+126.6% | Added |
| Essex Investment Management Co LLC | 86,431 | $4.35M | 0.91% | −4,091−4.5% | Reduced |
| Walleye Capital LLC | 87,472 | $4.40M | 0.05% | +87,472 | New |
| Meridiem Capital Partners LP | 89,720 | $4.52M | 0.49% | +89,720 | New |
| Point72 Asset Management, L.P. | 94,857 | $4.77M | 0.01% | −707,423−88.2% | Reduced |
| Tudor Investment Corp Et Al | 107,764 | $5.42M | 0.05% | +107,764 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 110,887 | $5.58M | 0.01% | +4,276+4.0% | Added |
| Acadian Asset Management LLC | 113,819 | $5.72M | 0.02% | −7,742−6.4% | Reduced |
| Ameriprise Financial Inc | 120,269 | $6.05M | 0.00% | +115,644+2,500.4% | Added |
| Cubist Systematic Strategies, LLC | 120,432 | $6.06M | 0.08% | +71,752+147.4% | Added |
| Sora Investors LLC | 120,680 | $6.07M | 0.74% | −232,692−65.8% | Reduced |
| Neuberger Berman Group LLC | 120,704 | $6.08M | 0.01% | +69,960+137.9% | Added |
| Hel Ved Capital Management Ltd | 122,330 | $6.16M | 3.10% | +122,330 | New |
| Bank of New York Mellon Corp | 150,305 | $7.56M | 0.00% | −592−0.4% | Reduced |
| UBS Group AG | 151,223 | $7.61M | 0.00% | −204,000−57.4% | Reduced |
| S Squared Technology, LLC | 170,551 | $8.58M | 4.39% | +45,000+35.8% | Added |
| First Trust Advisors LP | 170,952 | $8.60M | 0.01% | +42,494+33.1% | Added |
| Lord, Abbett & Co. LLC | 178,299 | $8.97M | 0.03% | +45,239+34.0% | Added |
| Alliancebernstein L.P. | 194,010 | $9.76M | 0.00% | +4,775+2.5% | Added |
| Intrinsic Edge Capital Management LLC | 210,000 | $10.6M | 2.22% | +210,000 | New |
| FMR LLC | 228,416 | $11.5M | 0.00% | +136,688+149.0% | Added |
| JPMorgan Chase & Co | 230,327 | $11.6M | 0.00% | +56,718+32.7% | Added |
| Algert Global LLC | 238,301 | $12.0M | 0.30% | +29,870+14.3% | Added |
| Tributary Capital Management, LLC | 240,415 | $12.1M | 1.06% | −47,150−16.4% | Reduced |
| Assenagon Asset Management S.A. | 258,122 | $13.0M | 0.02% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 282,397 | $14.2M | 0.02% | +226,390+404.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 285,192 | $14.4M | 0.03% | −6,874−2.4% | Reduced |
| Baillie Gifford & Co | 289,923 | $14.6M | 0.01% | −39,277−11.9% | Reduced |
| Invesco Ltd. | 306,356 | $15.4M | 0.00% | −29,374−8.7% | Reduced |
| Barclays PLC | 309,040 | $15.6M | 0.01% | +91,140+41.8% | Added |
| Segall Bryant & Hamill, LLC | 309,520 | $15.6M | 0.24% | +309,520 | New |
| Charles Schwab Investment Management Inc | 323,500 | $16.3M | 0.00% | −1,501−0.5% | Reduced |
| Renaissance Technologies LLC | 357,700 | $18.0M | 0.03% | +314,700+731.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 357,771 | $18.0M | 0.08% | +52,376+17.2% | Added |
| AXA S.A. | 362,554 | $18.2M | 0.06% | −9,210−2.5% | Reduced |
| Exchange Traded Concepts, LLC | 381,872 | $19.2M | 0.34% | +97,911+34.5% | Added |
| Tairen Capital Ltd | 383,120 | $19.3M | 1.27% | +383,120 | New |
| Northern Trust Corp | 386,686 | $19.5M | 0.00% | +3,650+1.0% | Added |
| Robeco Schweiz AG | 419,120 | $21.1M | 0.52% | +144,200+52.5% | Added |
| Goldman Sachs Group Inc | 421,125 | $21.2M | 0.00% | −302,156−41.8% | Reduced |
| Woodline Partners LP | 441,385 | $22.2M | 0.14% | +178,052+67.6% | Added |
| Pinnacle Associates Ltd | 496,094 | $25.0M | 0.37% | −18,744−3.6% | Reduced |
| Stephens Investment Management Group LLC | 499,775 | $25.2M | 0.36% | −3,693−0.7% | Reduced |
| Dimensional Fund Advisors LP | 543,683 | $27.4M | 0.01% | −79,436−12.7% | Reduced |
| Oberweis Asset Management Inc | 568,825 | $28.6M | 1.43% | +386,025+211.2% | Added |
| Bank of America Corp | 575,533 | $29.0M | 0.00% | +188,910+48.9% | Added |
| Legal & General Group Plc | 580,560 | $29.2M | 0.01% | +127,867+28.2% | Added |
| Nuveen, LLC | 639,160 | $32.2M | 0.01% | +639,160 | New |
| Jacobs Levy Equity Management, Inc | 647,788 | $32.6M | 0.13% | +610,460+1,635.4% | Added |
| Citadel Advisors LLC | 711,253 | $35.8M | 0.04% | −137,726−16.2% | Reduced |
| Morgan Stanley | 761,870 | $38.3M | 0.00% | −80,943−9.6% | Reduced |
| Kodai Capital Management LP | 904,536 | $45.5M | 1.80% | +125,983+16.2% | Added |
| Millennium Management LLC | 910,171 | $45.8M | 0.04% | −484,021−34.7% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 910,911 | $45.8M | 0.18% | +185,444+25.6% | Added |
| Geode Capital Management, LLC | 947,910 | $47.7M | 0.00% | +33,376+3.6% | Added |
| UBS Asset Management Americas Inc | 1,232,272 | $62.0M | 0.02% | +579,917+88.9% | Added |
| Manufacturers Life Insurance Company, The | 1,318,557 | $66.4M | 0.06% | −133,571−9.2% | Reduced |
| State Street Corp | 1,703,476 | $85.7M | 0.00% | +116,802+7.4% | Added |
| BlackRock, Inc. | 3,789,706 | $190.7M | 0.00% | −34,939−0.9% | Reduced |
| Vanguard Group Inc | 4,848,305 | $244.0M | 0.00% | +152,181+3.2% | Added |
| Bessemer Group Inc | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Proequities, Inc. | 0 | $0 | 0.00% | −19−100.0% | Sold out |