AmbarellaAMBA
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 341 institutions reported holding Ambarella Inc. (AMBA) in their 13F filings, up 34 from Q1 2026. 85 opened new positions and 48 sold out. The largest holders were BlackRock, Inc. ($338.4M), Vanguard Portfolio Management LLC ($316.5M) and T. Rowe Price Associates Inc. ($223.0M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Ambarella Inc.
- CUSIP
- G037AX101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 85 | $192.8M |
| Exits | 48 | $168.4M |
All 13F filers, Q1 2026 → Q2 2026: 7,312,533 shares bought and 7,885,415 shares sold, net −572,882 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 341 holders
| BlackRock, Inc. | 0.01% | Add +4.1% | 3,944,592 | $338.4M |
| Vanguard Portfolio Management LLC | 0.01% | Reduce -0.8% | 3,688,405 | $316.5M |
| T. Rowe Price Associates Inc. | 0.02% | Add +172.9% | 2,598,976 | $223.0M |
| State Street Corp. | 0.01% | Add +29.7% | 2,562,733 | $219.9M |
| Vanguard Capital Management LLC | 0.00% | Add +3.3% | 1,873,539 | $160.7M |
| Manufacturers Life Insurance Company, The | 0.12% | Reduce -25.2% | 1,186,541 | $158.2M |
| Legal & General Group Plc | 0.02% | Add +20.6% | 1,116,729 | $95.8M |
| Geode Capital Management, LLC | 0.01% | Add +6.7% | 1,098,120 | $94.2M |
| Menora Mivtachim Holdings LTD. | 0.25% | New | 757,571 | $65.0M |
| Stephens Investment Management Group LLC | 0.66% | Add +51.9% | 721,711 | $61.9M |
| Dimensional Fund Advisors LP | 0.01% | Add +12.5% | 718,154 | $61.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.11% | Add +14.2% | 685,726 | $58.8M |
| Exchange Traded Concepts, LLC | 0.27% | Add +10.3% | 630,697 | $54.1M |
| Morgan Stanley | 0.00% | Reduce -15.6% | 611,551 | $52.5M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.06% | Add +3.7% | 562,013 | $47.1M |
| D. E. Shaw & Co. | 0.03% | Add +110.1% | 515,084 | $44.2M |
| T. Rowe Price Investment Management, Inc. | 0.03% | Add +99.2% | 513,569 | $44.1M |
| Jacobs Levy Equity Management, Inc. | 0.16% | Add +38.4% | 504,409 | $43.3M |
| AQR Capital Management | 0.01% | Reduce -0.1% | 495,583 | $42.5M |
| Nuveen, LLC | 0.01% | Reduce -10.0% | 439,002 | $37.7M |
| Pinnacle Associates Ltd. | 0.38% | Reduce -5.0% | 408,846 | $35.1M |
| Northern Trust Corp. | 0.00% | Add +7.7% | 403,692 | $34.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +2.4% | 394,182 | $33.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.5% | 379,551 | $32.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +80.8% | 379,423 | $32.6M |
| Bank of America Corp. | 0.00% | Reduce -24.9% | 361,932 | $31.1M |
| Squarepoint Ops LLC | 0.06% | Reduce -22.1% | 358,889 | $30.8M |
| Nomura Asset Management International Inc. | 0.05% | New | 358,122 | $30.7M |
| Oberweis Asset Management Inc./ | 0.61% | Add +15.9% | 342,254 | $29.4M |
| FMR LLC | 0.00% | Add +4.5% | 316,013 | $27.1M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +4.8% | 298,076 | $25.6M |
| Algert Global LLC | 0.30% | Reduce -27.3% | 297,624 | $25.5M |
| Raymond James Financial Inc. | 0.00% | Add +0.5% | 187,266 | $16.1M |
| Robinhood Asset Management, LLC | 0.73% | New | 159,123 | $13.7M |
| Panagora Asset Management Inc. | 0.04% | Add +72.4% | 150,261 | $12.9M |
| Deutsche Bank AG | 0.00% | Add +57.3% | 150,163 | $12.9M |
| UBS Group AG | 0.00% | Reduce -54.4% | 143,071 | $12.3M |
| Samjo Management, LLC | 4.01% | Add +229.0% | 136,955 | $11.8M |
| Needham Investment Management LLC | 0.35% | Add +575.0% | 135,000 | $11.6M |
| Handelsbanken Fonder AB | 0.03% | Reduce -66.1% | 134,397 | $11.5M |
| SWS Partners | 2.45% | Add +44.4% | 132,050 | $11.3M |
| Mairs & Power Inc. | 0.10% | Add +7.5% | 126,353 | $10.8M |
| Bank of New York Mellon Corp | 0.00% | Add +8.9% | 122,202 | $10.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Add +48.9% | 121,951 | $10.5M |
| First Trust Advisors LP | 0.01% | Reduce -11.2% | 118,029 | $10.1M |
| Point72 Asset Management | 0.02% | Reduce -77.4% | 117,943 | $10.1M |
| Quadrature Capital Ltd | 0.09% | New | 117,737 | $10.1M |
| Hillsdale Investment Management Inc. | 0.23% | Add +8.7% | 116,280 | $10.0M |
| Renaissance Technologies | 0.01% | Reduce -44.7% | 110,300 | $9.5M |
| Robeco Schweiz AG | 0.15% | Add +2.0% | 106,242 | $9.1M |
| Sora Investors LLC | 0.66% | Add +70.8% | 100,935 | $8.7M |
| Portolan Capital Management, LLC | 0.31% | Reduce -10.7% | 97,072 | $8.3M |
| Emerald Advisers, LLC | 0.19% | New | 96,501 | $8.3M |
| ArrowMark Colorado Holdings LLC | 0.32% | No change | 89,000 | $7.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -76.5% | 111,267 | $7.6M |
| Apis Capital Advisors, LLC | 0.73% | New | 88,000 | $7.6M |
| Potrero Capital Research LLC | 4.55% | New | 86,595 | $7.4M |
| Swiss National Bank | 0.00% | Add +3.2% | 83,433 | $7.2M |
| Susquehanna International Group, LLP | 0.01% | Reduce -46.9% | 81,602 | $7.0M |
| Westerly Capital Management, LLC | 1.27% | Reduce -38.5% | 80,000 | $6.9M |
| Essex Investment Management Co. LLC | 0.90% | Reduce -2.9% | 79,997 | $6.9M |
| Invesco Ltd. | 0.00% | Reduce -9.8% | 79,161 | $6.8M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -10.7% | 78,892 | $6.8M |
| Wells Fargo & Company | 0.00% | Add +40.9% | 68,229 | $5.9M |
| Emerald Mutual Fund Advisers Trust | 0.20% | New | 65,731 | $5.6M |
| Franklin Resources Inc. | 0.00% | Reduce -17.6% | 63,751 | $5.5M |
| Sei Investments Co. | 0.00% | Reduce -29.5% | 62,855 | $5.4M |
| Qube Research & Technologies Ltd | 0.01% | Add +347.3% | 61,095 | $5.2M |
| IMC-Chicago, LLC | 0.05% | Add +135.4% | 60,277 | $5.2M |
| Citigroup Inc. | 0.00% | Add +89.0% | 57,317 | $4.9M |
| Rhumbline Advisers | 0.00% | Reduce -4.8% | 53,925 | $4.6M |
| LPL Financial LLC | 0.00% | Add +661.7% | 53,306 | $4.6M |
| Holocene Advisors, LP | 0.01% | Add +46.3% | 51,883 | $4.5M |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 47,979 | $4.1M |
| Van Eck Associates Corp. | 0.00% | Add +58.0% | 45,316 | $3.9M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Reduce -0.8% | 42,746 | $3.7M |
| Stifel Financial Corp. | 0.00% | Add +55.9% | 42,491 | $3.6M |
| Zacks Investment Management | 0.03% | New | 41,882 | $3.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +16.0% | 41,873 | $3.6M |
| Millennium Management | 0.00% | Reduce -97.3% | 41,318 | $3.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.8% | 39,890 | $3.4M |
| Granite Investment Partners, LLC | 0.17% | Reduce -13.4% | 38,303 | $3.3M |
| Creative Planning | 0.00% | Add +7.2% | 37,012 | $3.2M |
| Arosa Capital Management LP | 2.65% | New | 35,000 | $3.0M |
| Katamaran Capital LLP | 2.42% | New | 33,024 | $2.8M |
| WINTON GROUP Ltd | 0.09% | Add +517.3% | 32,100 | $2.8M |
| Allianz Asset Management GmbH | 0.00% | Reduce -66.6% | 30,900 | $2.7M |
| Los Angeles Capital Management LLC | 0.01% | Add +46.8% | 30,588 | $2.6M |
| Man Group plc | 0.00% | Add +1.9% | 29,542 | $2.5M |
| Susquehanna Fundamental Investments, LLC | 0.05% | New | 29,133 | $2.5M |
| Alliancebernstein L.P. | 0.00% | Add +9.2% | 48,344 | $2.5M |
| White Pine Capital LLC | 0.58% | Add +109.4% | 28,652 | $2.5M |
| DNB Asset Management AS | 0.01% | Reduce -51.4% | 28,057 | $2.4M |
| Linden Thomas Advisory Services, LLC | 0.18% | Add +53.7% | 26,242 | $2.3M |
| Odyssean, LLC | 0.37% | New | 26,188 | $2.2M |
| MetLife Investment Management, LLC | 0.01% | Add +8.5% | 24,859 | $2.1M |
| BNP Paribas Financial Markets | 0.00% | Add +58.2% | 23,592 | $2.0M |
| Marex Group Ltd | 0.01% | Add +31.0% | 23,437 | $2.0M |
| Lighthouse Investment Partners, LLC | 0.06% | New | 23,433 | $2.0M |
| Harbor Capital Advisors, Inc. | 0.14% | Reduce -13.6% | 23,331 | $2.0M |
"% of holder's portfolio" is AMBA's weight in each manager's 13F, not the share of Ambarella Inc. the manager owns.