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 2024
Institutional positions in Ambarella Inc as of Sep 30, 2024. 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
- 265
- +5 vs. Q2 2024
- Shares held
- 33.1M
- +1.98M (+6.4%) vs. Q2 2024
- Total value
- $1.87B
- +$189.9M (+11.3%) vs. Q2 2024
- New holders
- 39
- 96 more added
- Sold out
- 34
- 93 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,614,567 | $260.3M | 0.00% | +18,397+0.4% | Added |
| BlackRock, Inc. | 3,629,300 | $204.7M | 0.00% | +3,629,300 | New |
| State Street Corp | 1,924,235 | $108.5M | 0.00% | +47,856+2.6% | Added |
| Manufacturers Life Insurance Company, The | 1,353,287 | $76.3M | 0.07% | +61,387+4.8% | Added |
| Millennium Management LLC | 1,249,924 | $70.5M | 0.06% | −197,542−13.6% | Reduced |
| Geode Capital Management, LLC | 916,757 | $51.7M | 0.00% | +14,568+1.6% | Added |
| Citadel Advisors LLC | 882,010 | $49.7M | 0.05% | −194,206−18.0% | Reduced |
| Point72 Asset Management, L.P. | 862,084 | $48.6M | 0.17% | +355,078+70.0% | Added |
| Kodai Capital Management LP | 837,821 | $47.3M | 0.98% | −189,593−18.5% | Reduced |
| Morgan Stanley | 788,244 | $44.5M | 0.00% | −340,362−30.2% | Reduced |
| William Blair Investment Management, LLC | 761,008 | $42.9M | 0.11% | +28,881+3.9% | Added |
| UBS Asset Management Americas Inc | 666,286 | $37.6M | 0.01% | +43,874+7.0% | Added |
| Dimensional Fund Advisors LP | 651,331 | $36.7M | 0.01% | −31,788−4.7% | Reduced |
| Goldman Sachs Group Inc | 649,237 | $36.6M | 0.01% | +280,340+76.0% | Added |
| Nuveen Asset Management, LLC | 620,179 | $35.0M | 0.01% | −1,740−0.3% | Reduced |
| Marshall Wace, LLP | 556,014 | $31.4M | 0.04% | −57,332−9.3% | Reduced |
| Legal & General Group Plc | 533,406 | $30.1M | 0.01% | −610.0% | Reduced |
| Stephens Investment Management Group LLC | 501,036 | $28.3M | 0.39% | +83,752+20.1% | Added |
| Bank of America Corp | 453,487 | $25.6M | 0.00% | +10,147+2.3% | Added |
| Pinnacle Associates Ltd | 375,187 | $23.0M | 0.39% | −110,651−22.8% | Reduced |
| Assenagon Asset Management S.A. | 402,507 | $22.7M | 0.05% | 00.0% | Unchanged |
| Barclays PLC | 388,090 | $21.9M | 0.01% | +286,296+281.3% | Added |
| AXA S.A. | 380,444 | $21.5M | 0.06% | −388,926−50.6% | Reduced |
| Exchange Traded Concepts, LLC | 369,153 | $20.8M | 0.49% | −16,067−4.2% | Reduced |
| Northern Trust Corp | 335,285 | $18.9M | 0.00% | −26,328−7.3% | Reduced |
| Baillie Gifford & Co | 328,451 | $18.5M | 0.01% | +2,215+0.7% | Added |
| Charles Schwab Investment Management Inc | 320,319 | $18.1M | 0.00% | +3,700+1.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 295,236 | $16.7M | 0.04% | +372+0.1% | Added |
| Robeco Schweiz AG | 283,800 | $16.0M | 0.30% | −16,200−5.4% | Reduced |
| UBS Group AG | 268,345 | $15.1M | 0.00% | +102,981+62.3% | Added |
| Tributary Capital Management, LLC | 249,185 | $14.1M | 1.09% | −36,482−12.8% | Reduced |
| D. E. Shaw & Co., Inc. | 231,181 | $13.0M | 0.02% | −115,725−33.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 226,502 | $12.8M | 0.06% | +35,977+18.9% | Added |
| Voloridge Investment Management, LLC | 203,249 | $11.5M | 0.04% | −192,464−48.6% | Reduced |
| JPMorgan Chase & Co | 200,202 | $11.3M | 0.00% | −215,632−51.9% | Reduced |
| Sora Investors LLC | 185,000 | $10.4M | 1.82% | +30,000+19.4% | Added |
| Cubist Systematic Strategies, LLC | 176,559 | $9.96M | 0.15% | +23,282+15.2% | Added |
| Oberweis Asset Management Inc | 162,000 | $9.14M | 0.47% | +162,000 | New |
| Two Sigma Advisers, LP | 161,300 | $9.10M | 0.02% | −181,600−53.0% | Reduced |
| Bank of New York Mellon Corp | 157,313 | $8.87M | 0.00% | −47,920−23.3% | Reduced |
| Two Sigma Investments, LP | 147,735 | $8.33M | 0.02% | −48,345−24.7% | Reduced |
| J. Goldman & Co LP | 137,831 | $7.77M | 0.34% | +137,831 | New |
| First Trust Advisors LP | 134,946 | $7.61M | 0.01% | −26,842−16.6% | Reduced |
| Balyasny Asset Management LLC | 125,757 | $7.09M | 0.02% | −229,393−64.6% | Reduced |
| S Squared Technology, LLC | 125,551 | $7.08M | 3.02% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 121,747 | $6.87M | 0.01% | −1,758−1.4% | Reduced |
| Trexquant Investment LP | 109,420 | $6.17M | 0.08% | +109,420 | New |
| SG Capital Management LLC | 106,329 | $6.00M | 0.87% | −349,233−76.7% | Reduced |
| Westerly Capital Management, LLC | 100,000 | $5.64M | 3.20% | +12,000+13.6% | Added |
| Engineers Gate Manager LP | 99,595 | $5.62M | 0.11% | −21,552−17.8% | Reduced |
| Algert Global LLC | 94,999 | $5.36M | 0.14% | +41,094+76.2% | Added |
| Scout Investments, Inc. | 86,931 | $5.18M | 0.14% | −3,589−4.0% | Reduced |
| Twinbeech Capital LP | 86,381 | $4.87M | 0.09% | +37,983+78.5% | Added |
| Essex Investment Management Co LLC | 85,424 | $4.82M | 0.84% | −1,795−2.1% | Reduced |
| ArrowMark Colorado Holdings LLC | 85,000 | $4.79M | 0.06% | +15,000+21.4% | Added |
| Jump Financial, LLC | 77,100 | $4.35M | 0.09% | +29,643+62.5% | Added |
| Swiss National Bank | 76,033 | $4.29M | 0.00% | −600−0.8% | Reduced |
| Canada Pension Plan Investment Board | 70,300 | $3.97M | 0.00% | −300−0.4% | Reduced |
| Capital Fund Management S.A. | 69,628 | $3.93M | 0.04% | −44,291−38.9% | Reduced |
| Lord, Abbett & Co. LLC | 69,224 | $3.90M | 0.01% | +69,224 | New |
| Tudor Investment Corp Et Al | 68,726 | $3.88M | 0.04% | −77,915−53.1% | Reduced |
| Hillsdale Investment Management Inc. | 68,490 | $3.86M | 0.30% | +68,490 | New |
| Acadian Asset Management LLC | 68,152 | $3.84M | 0.01% | −104,292−60.5% | Reduced |
| SWS Partners | 67,161 | $3.79M | 1.21% | −12,361−15.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 66,800 | $3.77M | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 61,026 | $3.44M | 0.01% | +1,839+3.1% | Added |
| Rhumbline Advisers | 56,607 | $3.19M | 0.00% | −4,173−6.9% | Reduced |
| Granite Investment Partners, LLC | 55,840 | $3.15M | 0.13% | −41,615−42.7% | Reduced |
| Royal Bank of Canada | 55,092 | $3.11M | 0.00% | +8,854+19.1% | Added |
| Citigroup Inc | 53,736 | $3.03M | 0.00% | +1,303+2.5% | Added |
| Envestnet Asset Management Inc | 51,396 | $2.90M | 0.00% | −3,347−6.1% | Reduced |
| PEAK6 Investments LLC | 49,514 | $2.79M | 0.14% | +49,514 | New |
| Qube Research & Technologies Ltd | 48,591 | $2.74M | 0.01% | +48,591 | New |
| Franklin Resources Inc | 44,084 | $2.65M | 0.00% | +133+0.3% | Added |
| Deutsche Bank AG | 46,406 | $2.62M | 0.00% | +6,947+17.6% | Added |
| Wells Fargo & Company | 46,085 | $2.60M | 0.00% | −2,014−4.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 43,420 | $2.45M | 0.01% | −416−0.9% | Reduced |
| Ameriprise Financial Inc | 43,181 | $2.44M | 0.00% | −8,353−16.2% | Reduced |
| Numerai GP LLC | 42,726 | $2.41M | 0.64% | −8,156−16.0% | Reduced |
| Walleye Capital LLC | 42,522 | $2.40M | 0.03% | +39,064+1,129.7% | Added |
| Alliancebernstein L.P. | 42,506 | $2.40M | 0.00% | −1,455−3.3% | Reduced |
| Susquehanna International Group, LLP | 42,459 | $2.39M | 0.00% | +23,874+128.5% | Added |
| HRT Financial LP | 42,277 | $2.38M | 0.01% | −7,909−15.8% | Reduced |
| KBC Group NV | 41,835 | $2.36M | 0.01% | +525+1.3% | Added |
| BNP Paribas Arbitrage, SA | 41,310 | $2.33M | 0.00% | +7,783+23.2% | Added |
| Invesco Ltd. | 40,124 | $2.26M | 0.00% | +459+1.2% | Added |
| State of New Jersey Common Pension Fund D | 38,780 | $2.19M | 0.01% | +940+2.5% | Added |
| First National Bank of Omaha | 37,181 | $2.10M | 0.13% | −516−1.4% | Reduced |
| California State Teachers Retirement System | 36,755 | $2.07M | 0.00% | −1,126−3.0% | Reduced |
| Neuberger Berman Group LLC | 35,035 | $1.98M | 0.00% | −150−0.4% | Reduced |
| Holocene Advisors, LP | 34,659 | $1.95M | 0.01% | −26,152−43.0% | Reduced |
| HSBC Holdings PLC | 33,576 | $1.87M | 0.00% | +5,746+20.6% | Added |
| Nebula Research & Development LLC | 30,535 | $1.72M | 0.21% | +16,050+110.8% | Added |
| Thrivent Financial for Lutherans | 30,291 | $1.71M | 0.00% | −1,019−3.3% | Reduced |
| Primecap Management Co | 29,400 | $1.66M | 0.00% | −700−2.3% | Reduced |
| Janus Henderson Group PLC | 29,191 | $1.65M | 0.00% | +823+2.9% | Added |
| Squarepoint Ops LLC | 27,908 | $1.57M | 0.01% | +12,524+81.4% | Added |
| Atom Investors LP | 27,473 | $1.55M | 0.16% | −54,690−66.6% | Reduced |
| Mirabella Financial Services LLP | 28,224 | $1.53M | 0.09% | +28,224 | New |
| Schonfeld Strategic Advisors LLC | 26,177 | $1.48M | 0.01% | +12,071+85.6% | Added |