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 2026
Institutional positions in Ambarella Inc as of Jun 30, 2026. 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
- 341
- +38 vs. Q1 2026
- Shares held
- 35.9M
- −570.9K (−1.6%) vs. Q1 2026
- Total value
- $3.13B
- +$1.25B (+66.8%) vs. Q1 2026
- New holders
- 88
- 118 more added
- Sold out
- 50
- 89 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,944,592 | $338.4M | 0.01% | +155,377+4.1% | Added |
| Vanguard Portfolio Management LLC | 3,688,405 | $316.5M | 0.01% | −28,458−0.8% | Reduced |
| Price T Rowe Associates Inc | 2,598,976 | $223.0M | 0.02% | +1,646,661+172.9% | Added |
| State Street Corp | 2,562,733 | $219.9M | 0.01% | +586,269+29.7% | Added |
| Vanguard Capital Management LLC | 1,873,539 | $160.7M | 0.00% | +58,936+3.2% | Added |
| Manufacturers Life Insurance Company, The | 1,186,541 | $158.2M | 0.12% | −399,541−25.2% | Reduced |
| Legal & General Group Plc | 1,116,729 | $95.8M | 0.02% | +190,333+20.5% | Added |
| Geode Capital Management, LLC | 1,098,120 | $94.2M | 0.01% | +68,891+6.7% | Added |
| Menora Mivtachim Holdings Ltd. | 757,571 | $65.0M | 0.25% | +757,571 | New |
| Stephens Investment Management Group LLC | 721,711 | $61.9M | 0.66% | +246,570+51.9% | Added |
| Dimensional Fund Advisors LP | 718,154 | $61.6M | 0.01% | +79,567+12.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 685,726 | $58.8M | 0.11% | +85,220+14.2% | Added |
| Exchange Traded Concepts, LLC | 630,697 | $54.1M | 0.27% | +59,117+10.3% | Added |
| Morgan Stanley | 611,551 | $52.5M | 0.00% | −113,104−15.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 562,013 | $47.1M | 0.06% | +20,112+3.7% | Added |
| D. E. Shaw & Co., Inc. | 515,084 | $44.2M | 0.03% | +269,919+110.1% | Added |
| T. Rowe Price Investment Management, Inc. | 513,569 | $44.1M | 0.03% | +255,769+99.2% | Added |
| Jacobs Levy Equity Management, Inc | 504,409 | $43.3M | 0.16% | +139,980+38.4% | Added |
| AQR Capital Management LLC | 495,583 | $42.5M | 0.01% | −2320.0% | Reduced |
| Nuveen, LLC | 439,002 | $37.7M | 0.01% | −48,818−10.0% | Reduced |
| Pinnacle Associates Ltd | 408,846 | $35.1M | 0.38% | −21,403−5.0% | Reduced |
| Northern Trust Corp | 403,692 | $34.6M | 0.00% | +28,912+7.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 394,182 | $33.8M | 0.03% | +9,386+2.4% | Added |
| Charles Schwab Investment Management Inc | 379,551 | $32.6M | 0.00% | +16,260+4.5% | Added |
| Goldman Sachs Group Inc | 379,423 | $32.6M | 0.00% | +169,606+80.8% | Added |
| Bank of America Corp | 361,932 | $31.1M | 0.00% | −119,826−24.9% | Reduced |
| Squarepoint Ops LLC | 358,889 | $30.8M | 0.06% | −101,691−22.1% | Reduced |
| Nomura Asset Management International Inc. | 358,122 | $30.7M | 0.05% | +358,122 | New |
| Oberweis Asset Management Inc | 342,254 | $29.4M | 0.61% | +47,069+15.9% | Added |
| FMR LLC | 316,013 | $27.1M | 0.00% | +13,676+4.5% | Added |
| Vanguard Fiduciary Trust Co | 298,076 | $25.6M | 0.01% | +13,787+4.8% | Added |
| Algert Global LLC | 297,624 | $25.5M | 0.30% | −111,596−27.3% | Reduced |
| Raymond James Financial Inc | 187,266 | $16.1M | 0.00% | +970+0.5% | Added |
| Robinhood Asset Management, LLC | 159,123 | $13.7M | 0.73% | +159,123 | New |
| Panagora Asset Management Inc | 150,261 | $12.9M | 0.04% | +63,094+72.4% | Added |
| Deutsche Bank AG | 150,163 | $12.9M | 0.00% | +54,703+57.3% | Added |
| UBS Group AG | 143,071 | $12.3M | 0.00% | −170,975−54.4% | Reduced |
| Samjo Management, LLC | 136,955 | $11.8M | 4.01% | +95,325+229.0% | Added |
| Needham Investment Management LLC | 135,000 | $11.6M | 0.35% | +115,000+575.0% | Added |
| Handelsbanken Fonder AB | 134,397 | $11.5M | 0.03% | −262,293−66.1% | Reduced |
| SWS Partners | 132,050 | $11.3M | 2.45% | +40,613+44.4% | Added |
| Mairs & Power Inc | 126,353 | $10.8M | 0.10% | +8,772+7.5% | Added |
| Bank of New York Mellon Corp | 122,202 | $10.5M | 0.00% | +10,010+8.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 121,951 | $10.5M | 0.01% | +40,042+48.9% | Added |
| First Trust Advisors LP | 118,029 | $10.1M | 0.01% | −14,909−11.2% | Reduced |
| Point72 Asset Management, L.P. | 117,943 | $10.1M | 0.02% | −403,268−77.4% | Reduced |
| Quadrature Capital Ltd | 117,737 | $10.1M | 0.09% | +117,737 | New |
| Hillsdale Investment Management Inc. | 116,280 | $9.98M | 0.23% | +9,280+8.7% | Added |
| Renaissance Technologies LLC | 110,300 | $9.46M | 0.01% | −89,100−44.7% | Reduced |
| Robeco Schweiz AG | 106,242 | $9.12M | 0.15% | +2,088+2.0% | Added |
| Sora Investors LLC | 100,935 | $8.66M | 0.66% | +41,843+70.8% | Added |
| Portolan Capital Management, LLC | 97,072 | $8.33M | 0.31% | −11,677−10.7% | Reduced |
| Emerald Advisers, LLC | 96,501 | $8.28M | 0.19% | +96,501 | New |
| ArrowMark Colorado Holdings LLC | 89,000 | $7.64M | 0.32% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 111,267 | $7.59M | 0.00% | −362,495−76.5% | Reduced |
| Apis Capital Advisors, LLC | 88,000 | $7.55M | 0.73% | +88,000 | New |
| Potrero Capital Research LLC | 86,595 | $7.43M | 4.55% | +86,595 | New |
| Swiss National Bank | 83,433 | $7.16M | 0.00% | +2,600+3.2% | Added |
| Susquehanna International Group, LLP | 81,602 | $7.00M | 0.01% | −72,139−46.9% | Reduced |
| Westerly Capital Management, LLC | 80,000 | $6.86M | 1.27% | −50,000−38.5% | Reduced |
| Essex Investment Management Co LLC | 79,997 | $6.86M | 0.90% | −2,390−2.9% | Reduced |
| Invesco Ltd. | 79,161 | $6.79M | 0.00% | −8,643−9.8% | Reduced |
| Russell Investments Group, Ltd. | 78,892 | $6.77M | 0.01% | −9,428−10.7% | Reduced |
| Wells Fargo & Company | 68,229 | $5.85M | 0.00% | +19,796+40.9% | Added |
| Emerald Mutual Fund Advisers Trust | 65,731 | $5.64M | 0.20% | +65,731 | New |
| Franklin Resources Inc | 63,751 | $5.47M | 0.00% | −13,662−17.6% | Reduced |
| SEI Investments Co | 62,855 | $5.39M | 0.00% | −26,284−29.5% | Reduced |
| Qube Research & Technologies Ltd | 61,095 | $5.24M | 0.01% | +47,435+347.3% | Added |
| IMC-Chicago, LLC | 60,277 | $5.17M | 0.05% | +34,669+135.4% | Added |
| Citigroup Inc | 57,317 | $4.92M | 0.00% | +26,993+89.0% | Added |
| Rhumbline Advisers | 53,925 | $4.63M | 0.00% | −2,729−4.8% | Reduced |
| LPL Financial LLC | 53,306 | $4.57M | 0.00% | +46,308+661.7% | Added |
| Holocene Advisors, LP | 51,883 | $4.45M | 0.01% | +16,423+46.3% | Added |
| California State Teachers Retirement System | 47,979 | $4.12M | 0.00% | +61+0.1% | Added |
| Van Eck Associates Corp | 45,316 | $3.89M | 0.00% | +16,634+58.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 42,746 | $3.67M | 0.07% | −322−0.7% | Reduced |
| Stifel Financial Corp | 42,491 | $3.65M | 0.00% | +15,238+55.9% | Added |
| Zacks Investment Management | 41,882 | $3.59M | 0.03% | +41,882 | New |
| Vanguard Asset Management, Ltd | 41,873 | $3.59M | 0.00% | +5,773+16.0% | Added |
| Millennium Management LLC | 41,318 | $3.55M | 0.00% | −1,471,221−97.3% | Reduced |
| Ameriprise Financial Inc | 39,890 | $3.42M | 0.00% | −732−1.8% | Reduced |
| Granite Investment Partners, LLC | 38,303 | $3.29M | 0.17% | −5,937−13.4% | Reduced |
| Creative Planning | 37,012 | $3.18M | 0.00% | +2,488+7.2% | Added |
| Arosa Capital Management LP | 35,000 | $3.00M | 2.62% | +35,000 | New |
| Katamaran Capital LLP | 33,024 | $2.83M | 2.42% | +33,024 | New |
| Winton Group Ltd | 32,100 | $2.75M | 0.09% | +26,900+517.3% | Added |
| Allianz Asset Management GmbH | 30,900 | $2.65M | 0.00% | −61,700−66.6% | Reduced |
| Los Angeles Capital Management LLC | 30,588 | $2.62M | 0.01% | +9,746+46.8% | Added |
| Man Group plc | 29,542 | $2.53M | 0.00% | +558+1.9% | Added |
| Susquehanna Fundamental Investments, LLC | 29,133 | $2.50M | 0.05% | +29,133 | New |
| Alliancebernstein L.P. | 48,344 | $2.49M | 0.00% | +4,086+9.2% | Added |
| White Pine Capital LLC | 28,652 | $2.46M | 0.58% | +3,632+14.5% | Added |
| DnB Asset Management AS | 28,057 | $2.41M | 0.01% | −29,632−51.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 26,242 | $2.25M | 0.18% | +9,169+53.7% | Added |
| Odyssean, LLC | 26,188 | $2.25M | 0.37% | +26,188 | New |
| MetLife Investment Management | 24,859 | $2.13M | 0.01% | +1,947+8.5% | Added |
| BNP Paribas Arbitrage, SA | 23,592 | $2.02M | 0.00% | +8,677+58.2% | Added |
| Marex Group plc | 23,437 | $2.01M | 0.01% | +5,551+31.0% | Added |
| Lighthouse Investment Partners, LLC | 23,433 | $2.01M | 0.06% | +23,433 | New |
| Harbor Capital Advisors, Inc. | 23,331 | $2.00M | 0.14% | −3,658−13.6% | Reduced |