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, Q2 2024
Institutional positions in Ambarella Inc as of Jun 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
- 262
- −5 vs. Q1 2024
- Shares held
- 34.6M
- −790.3K (−2.2%) vs. Q1 2024
- Total value
- $1.86B
- +$65.4M (+3.6%) vs. Q1 2024
- New holders
- 38
- 98 more added
- Sold out
- 43
- 91 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,596,170 | $248.0M | 0.00% | +255,339+5.9% | Added |
| BlackRock Inc. | 3,473,129 | $187.4M | 0.00% | +33,728+1.0% | Added |
| State Street Corp | 1,876,379 | $101.2M | 0.00% | −12,931−0.7% | Reduced |
| Millennium Management LLC | 1,447,466 | $78.1M | 0.06% | +94,257+7.0% | Added |
| Manufacturers Life Insurance Company, The | 1,291,900 | $69.7M | 0.07% | +343,385+36.2% | Added |
| Morgan Stanley | 1,128,606 | $60.9M | 0.00% | −3,001,797−72.7% | Reduced |
| Citadel Advisors LLC | 1,076,216 | $58.1M | 0.06% | +185,730+20.9% | Added |
| Kodai Capital Management LP | 1,027,414 | $55.4M | 1.05% | +17,524+1.7% | Added |
| Geode Capital Management, LLC | 902,189 | $48.7M | 0.00% | +33,873+3.9% | Added |
| AXA S.A. | 769,370 | $41.5M | 0.06% | +377,227+96.2% | Added |
| William Blair Investment Management, LLC | 732,127 | $39.5M | 0.10% | −870,352−54.3% | Reduced |
| Dimensional Fund Advisors LP | 683,119 | $36.9M | 0.01% | +2,994+0.4% | Added |
| UBS Asset Management Americas Inc | 622,412 | $33.6M | 0.01% | +587,283+1,671.8% | Added |
| Nuveen Asset Management, LLC | 621,919 | $33.6M | 0.01% | +431,638+226.8% | Added |
| Marshall Wace, LLP | 613,346 | $33.1M | 0.05% | +250,778+69.2% | Added |
| Legal & General Group Plc | 533,467 | $28.8M | 0.01% | −16,290−3.0% | Reduced |
| Point72 Asset Management, L.P. | 507,006 | $27.4M | 0.09% | +476,406+1,556.9% | Added |
| Pinnacle Associates Ltd | 485,838 | $26.2M | 0.41% | +932+0.2% | Added |
| SG Capital Management LLC | 455,562 | $24.6M | 4.16% | +455,562 | New |
| Bank of America Corp | 443,340 | $23.9M | 0.00% | +121,882+37.9% | Added |
| Stephens Investment Management Group LLC | 417,284 | $22.5M | 0.32% | +99,065+31.1% | Added |
| JPMorgan Chase & Co | 415,834 | $22.4M | 0.00% | −45,464−9.9% | Reduced |
| Assenagon Asset Management S.A. | 402,507 | $21.7M | 0.05% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 395,713 | $21.3M | 0.08% | −33,652−7.8% | Reduced |
| Exchange Traded Concepts, LLC | 385,220 | $20.8M | 0.53% | −37,181−8.8% | Reduced |
| Goldman Sachs Group Inc | 368,897 | $19.9M | 0.00% | +220,654+148.8% | Added |
| Northern Trust Corp | 361,613 | $19.5M | 0.00% | −10,891−2.9% | Reduced |
| Balyasny Asset Management LLC | 355,150 | $19.2M | 0.05% | +269,059+312.5% | Added |
| D. E. Shaw & Co., Inc. | 346,906 | $18.7M | 0.03% | +163,449+89.1% | Added |
| Two Sigma Advisers, LP | 342,900 | $18.5M | 0.04% | −67,400−16.4% | Reduced |
| Baillie Gifford & Co | 326,236 | $17.6M | 0.01% | −176,643−35.1% | Reduced |
| Charles Schwab Investment Management Inc | 316,619 | $17.1M | 0.00% | +10,689+3.5% | Added |
| Robeco Schweiz AG | 300,000 | $16.2M | 0.31% | −46,425−13.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 294,864 | $15.9M | 0.04% | +294,864 | New |
| Tributary Capital Management, LLC | 285,667 | $15.4M | 1.28% | +6,020+2.2% | Added |
| Bank of New York Mellon Corp | 205,233 | $11.1M | 0.00% | +22,276+12.2% | Added |
| Two Sigma Investments, LP | 196,080 | $10.6M | 0.03% | −39,845−16.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 190,525 | $10.3M | 0.04% | +9,335+5.2% | Added |
| LMR Partners LLP | 175,000 | $9.44M | 0.20% | +175,000 | New |
| Acadian Asset Management LLC | 172,444 | $9.30M | 0.03% | +120,204+230.1% | Added |
| UBS Group AG | 165,364 | $8.92M | 0.00% | −6,908−4.0% | Reduced |
| First Trust Advisors LP | 161,788 | $8.73M | 0.01% | −30,735−16.0% | Reduced |
| Sora Investors LLC | 155,000 | $8.36M | 1.54% | +155,000 | New |
| Cubist Systematic Strategies, LLC | 153,277 | $8.27M | 0.14% | −64,770−29.7% | Reduced |
| Tudor Investment Corp Et Al | 146,641 | $7.91M | 0.09% | +43,633+42.4% | Added |
| S Squared Technology, LLC | 125,551 | $6.77M | 2.99% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 123,505 | $6.66M | 0.01% | +27,648+28.8% | Added |
| Engineers Gate Manager LP | 121,147 | $6.54M | 0.15% | +2,038+1.7% | Added |
| Capital Fund Management S.A. | 113,919 | $6.15M | 0.07% | −6,951−5.8% | Reduced |
| Barclays PLC | 101,794 | $5.49M | 0.00% | −3,075−2.9% | Reduced |
| Granite Investment Partners, LLC | 97,455 | $5.26M | 0.22% | +25,198+34.9% | Added |
| Scout Investments, Inc. | 90,520 | $4.88M | 0.13% | −12,677−12.3% | Reduced |
| ExodusPoint Capital Management, LP | 90,407 | $4.88M | 0.05% | −2,295−2.5% | Reduced |
| Westerly Capital Management, LLC | 88,000 | $4.75M | 2.58% | −87,000−49.7% | Reduced |
| Essex Investment Management Co LLC | 87,219 | $4.71M | 0.88% | +87,219 | New |
| Bank of Montreal | 82,432 | $4.46M | 0.00% | +72,663+743.8% | Added |
| Atom Investors LP | 82,163 | $4.43M | 0.44% | +82,163 | New |
| Victory Capital Management Inc | 81,213 | $4.38M | 0.00% | +3,578+4.6% | Added |
| SWS Partners | 79,522 | $4.29M | 1.28% | +16,049+25.3% | Added |
| Swiss National Bank | 76,633 | $4.13M | 0.00% | +1,200+1.6% | Added |
| Woodline Partners LP | 73,674 | $3.97M | 0.04% | −122,410−62.4% | Reduced |
| Canada Pension Plan Investment Board | 70,600 | $3.81M | 0.00% | +70,600 | New |
| ArrowMark Colorado Holdings LLC | 70,000 | $3.78M | 0.05% | +5,000+7.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 66,800 | $3.60M | 0.01% | +66,800 | New |
| Holocene Advisors, LP | 60,811 | $3.28M | 0.01% | −21,672−26.3% | Reduced |
| Rhumbline Advisers | 60,780 | $3.28M | 0.00% | +3,177+5.5% | Added |
| Jane Street Group, LLC | 59,187 | $3.19M | 0.00% | +47,095+389.5% | Added |
| Envestnet Asset Management Inc | 54,743 | $2.95M | 0.00% | +2,024+3.8% | Added |
| Algert Global LLC | 53,905 | $2.91M | 0.10% | −2,288−4.1% | Reduced |
| Citigroup Inc | 52,433 | $2.83M | 0.00% | +24,157+85.4% | Added |
| Ameriprise Financial Inc | 51,534 | $2.78M | 0.00% | −10,882−17.4% | Reduced |
| Numerai GP LLC | 50,882 | $2.75M | 1.00% | +18,664+57.9% | Added |
| HRT Financial LP | 50,186 | $2.71M | 0.02% | +30,720+157.8% | Added |
| SEI Investments Co | 48,463 | $2.61M | 0.00% | +37,211+330.7% | Added |
| Twinbeech Capital LP | 48,398 | $2.61M | 0.05% | −15,747−24.5% | Reduced |
| Wells Fargo & Company | 48,099 | $2.59M | 0.00% | +2,025+4.4% | Added |
| Jump Financial, LLC | 47,457 | $2.56M | 0.05% | −4,962−9.5% | Reduced |
| Royal Bank of Canada | 46,238 | $2.49M | 0.00% | +13,587+41.6% | Added |
| Alliancebernstein L.P. | 43,961 | $2.37M | 0.00% | −1,704−3.7% | Reduced |
| Franklin Resources Inc | 43,951 | $2.37M | 0.00% | +33,069+303.9% | Added |
| Jacobs Levy Equity Management, Inc | 43,836 | $2.36M | 0.01% | 00.0% | Unchanged |
| KBC Group NV | 41,310 | $2.23M | 0.01% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 41,107 | $2.22M | 0.05% | −20,865−33.7% | Reduced |
| Aquila Investment Management LLC | 40,000 | $2.16M | 2.03% | 00.0% | Unchanged |
| Invesco Ltd. | 39,665 | $2.14M | 0.00% | +1,654+4.4% | Added |
| Deutsche Bank AG | 39,459 | $2.13M | 0.00% | +518+1.3% | Added |
| California State Teachers Retirement System | 37,881 | $2.04M | 0.00% | −383−1.0% | Reduced |
| State of New Jersey Common Pension Fund D | 37,840 | $2.04M | 0.01% | −11,229−22.9% | Reduced |
| First National Bank of Omaha | 37,697 | $2.03M | 0.13% | +8,020+27.0% | Added |
| Arrowstreet Capital, Limited Partnership | 36,669 | $1.98M | 0.00% | +24,146+192.8% | Added |
| Neuberger Berman Group LLC | 35,185 | $1.90M | 0.00% | −135,730−79.4% | Reduced |
| BNP Paribas Arbitrage, SA | 33,527 | $1.81M | 0.00% | −10,080−23.1% | Reduced |
| Edgestream Partners, L.P. | 32,578 | $1.76M | 0.08% | +9,465+41.0% | Added |
| Thrivent Financial for Lutherans | 31,310 | $1.69M | 0.00% | −1,336−4.1% | Reduced |
| Primecap Management Co | 30,100 | $1.62M | 0.00% | −1,200−3.8% | Reduced |
| Torno Capital, LLC | 30,000 | $1.62M | 0.09% | +30,000 | New |
| Natixis Advisors, L.P. | 28,428 | $1.53M | 0.00% | +2,268+8.7% | Added |
| Janus Henderson Group PLC | 28,368 | $1.53M | 0.00% | −559−1.9% | Reduced |
| HSBC Holdings PLC | 27,830 | $1.48M | 0.00% | +6,621+31.2% | Added |
| Quantbot Technologies LP | 26,521 | $1.43M | 0.07% | −31,906−54.6% | Reduced |