AmbarellaAMBA
13F holders, Q2 2025 (June 30)304holders +7
56new positions
51sold out
5famous investors
$66.07avg. 13F price*
At the end of Q2 2025, 304 institutions reported holding Ambarella Inc. (AMBA) in their 13F filings, up 7 from Q1 2025. 56 opened new positions and 51 sold out. The largest holders were Vanguard Group Inc. ($341.2M), BlackRock, Inc. ($258.8M) and State Street Corp. ($122.6M). 5 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 56 | $192.0M |
| Exits | 51 | $75.3M |
All 13F filers, Q1 2025 → Q2 2025: 6,097,444 shares bought and 5,309,493 shares sold, net +787,951 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 304 holders
| Vanguard Group Inc. | 0.01% | Add +6.5% | 5,164,126 | $341.2M |
| BlackRock, Inc. | 0.01% | Add +3.4% | 3,917,779 | $258.8M |
| State Street Corp. | 0.00% | Add +8.9% | 1,855,170 | $122.6M |
| Manufacturers Life Insurance Company, The | 0.08% | Add +4.0% | 1,371,511 | $90.6M |
| Jericho Capital Asset Management L.P. | 0.97% | New | 1,098,482 | $72.6M |
| Fuller & Thaler Asset Management, Inc. | 0.25% | Add +11.7% | 1,017,287 | $67.2M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 976,281 | $64.5M |
| Citadel Advisors | 0.06% | Add +33.0% | 945,660 | $62.5M |
| Morgan Stanley | 0.00% | Add +4.0% | 792,128 | $52.3M |
| Legal & General Group Plc | 0.01% | Add +9.3% | 634,477 | $41.9M |
| Oberweis Asset Management Inc./ | 1.65% | Add +0.8% | 573,360 | $37.9M |
| Bank of America Corp. | 0.00% | Reduce -1.3% | 567,886 | $37.5M |
| Squarepoint Ops LLC | 0.08% | New | 557,172 | $36.8M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -5.1% | 516,159 | $34.1M |
| Nuveen, LLC | 0.01% | Reduce -21.0% | 504,740 | $33.3M |
| Stephens Investment Management Group LLC | 0.43% | Reduce -1.2% | 493,929 | $32.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.11% | Add +34.5% | 481,163 | $31.8M |
| Balyasny Asset Management L.P. | 0.07% | Add +894.7% | 459,562 | $30.4M |
| Jacobs Levy Equity Management, Inc. | 0.12% | Reduce -30.9% | 447,826 | $29.6M |
| Pinnacle Associates Ltd. | 0.37% | Reduce -21.7% | 388,437 | $25.7M |
| Northern Trust Corp. | 0.00% | Reduce -1.0% | 382,670 | $25.3M |
| Exchange Traded Concepts, LLC | 0.31% | Reduce -2.9% | 370,741 | $24.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.5% | 360,215 | $23.8M |
| AXA S.A. | 0.07% | Reduce -1.5% | 356,992 | $23.6M |
| Renaissance Technologies | 0.03% | Reduce -1.9% | 350,849 | $23.2M |
| Barclays PLC | 0.01% | Add +13.1% | 349,567 | $23.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.9% | 345,872 | $22.9M |
| Invesco Ltd. | 0.00% | Add +12.8% | 345,447 | $22.8M |
| Segall Bryant & Hamill, LLC | 0.32% | Add +11.4% | 344,834 | $22.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.04% | Reduce -1.7% | 280,419 | $18.6M |
| Baillie Gifford & Co. | 0.01% | Reduce -10.5% | 259,380 | $17.1M |
| Assenagon Asset Management S.A. | 0.03% | Reduce -0.1% | 257,899 | $17.0M |
| Robeco Schweiz AG | 0.39% | Reduce -39.6% | 253,120 | $16.7M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -15.2% | 239,606 | $15.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -81.1% | 232,634 | $15.4M |
| Acadian Asset Management LLC | 0.03% | Add +98.4% | 225,787 | $14.9M |
| AQR Capital Management | 0.01% | Add +165.1% | 224,997 | $14.9M |
| Tributary Capital Management, LLC | 1.32% | Reduce -6.5% | 224,856 | $14.9M |
| Algert Global LLC | 0.31% | Reduce -7.1% | 221,363 | $14.6M |
| FMR LLC | 0.00% | Reduce -3.4% | 220,745 | $14.6M |
| SG Capital Management LLC | 1.06% | Add +235.8% | 189,221 | $12.5M |
| Deutsche Bank AG | 0.00% | Add +136.6% | 179,143 | $11.8M |
| Voloridge Investment Management, LLC | 0.04% | New | 178,060 | $11.8M |
| First Trust Advisors LP | 0.01% | Add +2.3% | 174,919 | $11.6M |
| UBS Group AG | 0.00% | Add +13.4% | 171,441 | $11.3M |
| Trexquant Investment LP | 0.12% | Add +105.0% | 160,359 | $10.6M |
| Susquehanna International Group, LLP | 0.02% | Add +167.2% | 159,859 | $10.6M |
| Potrero Capital Research LLC | 4.61% | New | 150,000 | $9.9M |
| LMR Partners LLP | 0.23% | New | 150,000 | $9.9M |
| Tairen Capital Ltd | 0.99% | Reduce -61.9% | 146,000 | $9.6M |
| Westerly Capital Management, LLC | 4.00% | New | 143,000 | $9.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -10.5% | 134,547 | $8.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -47.0% | 122,107 | $8.1M |
| Neuberger Berman Group LLC | 0.01% | Reduce -0.0% | 120,677 | $8.0M |
| S Squared Technology, LLC | 3.30% | Reduce -30.5% | 118,551 | $7.8M |
| Alliancebernstein L.P. | 0.00% | Reduce -38.9% | 118,464 | $7.8M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +899.6% | 112,659 | $7.4M |
| Stanley-Laman Group, Ltd. | 1.09% | New | 111,164 | $7.3M |
| Hel Ved Capital Management Ltd | 3.09% | Reduce -15.1% | 103,870 | $6.9M |
| Russell Investments Group, Ltd. | 0.01% | Add +35.6% | 101,919 | $6.8M |
| Jain Global LLC | 0.11% | New | 101,616 | $6.7M |
| Engineers Gate Manager LP | 0.08% | Add +402.8% | 101,536 | $6.7M |
| Man Group plc | 0.01% | Add +55.7% | 99,755 | $6.6M |
| Hillsdale Investment Management Inc. | 0.24% | Add +32.2% | 96,890 | $6.4M |
| Capital Fund Management S.A. | 0.07% | Add +642.3% | 96,703 | $6.4M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Reduce -13.3% | 96,160 | $6.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -21.9% | 93,959 | $6.2M |
| Marshall Wace, LLP | 0.01% | Add +1895.1% | 88,324 | $5.8M |
| Essex Investment Management Co. LLC | 1.01% | Reduce -2.3% | 84,479 | $5.6M |
| Swiss National Bank | 0.00% | Add +0.4% | 77,033 | $5.1M |
| Sora Investors LLC | 0.45% | Reduce -37.1% | 75,908 | $5.0M |
| SWS Partners | 1.34% | Reduce -1.0% | 75,156 | $5.0M |
| Royal Bank of Canada | 0.00% | Add +10.8% | 71,761 | $4.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | New | 71,200 | $4.7M |
| Lord, Abbett & Co. LLC | 0.02% | Reduce -61.3% | 69,089 | $4.6M |
| ArrowMark Colorado Holdings LLC | 0.08% | Reduce -13.3% | 65,000 | $4.3M |
| Millennium Management | 0.00% | Reduce -93.0% | 64,044 | $4.2M |
| Envestnet Asset Management Inc. | 0.00% | Add +32.4% | 62,174 | $4.1M |
| Rhumbline Advisers | 0.00% | Add +6.0% | 62,113 | $4.1M |
| Wells Fargo & Company | 0.00% | Add +8.7% | 54,650 | $3.6M |
| Graham Capital Management, L.P. | 0.10% | Reduce -12.9% | 52,010 | $3.4M |
| Susquehanna Portfolio Strategies, LLC | 0.07% | New | 48,867 | $3.2M |
| Citigroup Inc. | 0.00% | Add +16.6% | 48,656 | $3.2M |
| Sei Investments Co. | 0.00% | Add +86.3% | 45,769 | $3.0M |
| Granite Investment Partners, LLC | 0.14% | Reduce -1.3% | 44,514 | $2.9M |
| Wolverine Trading, LLC | 0.07% | Add +238.8% | 43,291 | $2.9M |
| Shellback Capital, LP | 0.19% | New | 43,745 | $2.9M |
| Franklin Resources Inc. | 0.00% | Add +0.6% | 42,506 | $2.8M |
| Harber Asset Management LLC | 0.90% | New | 41,782 | $2.8M |
| Susquehanna Fundamental Investments, LLC | 0.07% | Reduce -12.1% | 40,199 | $2.7M |
| California State Teachers Retirement System | 0.00% | Add +1.5% | 36,344 | $2.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +15.2% | 33,119 | $2.2M |
| PEAK6 LLC | 0.07% | Reduce -12.2% | 32,890 | $2.2M |
| Freemont Management S.A. | 0.34% | Add +27.9% | 31,600 | $2.1M |
| Two Sigma Investments, LP | 0.00% | Add +27.3% | 30,756 | $2.0M |
| First National Bank of Omaha | 0.13% | Add +1.4% | 30,101 | $2.0M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +16.9% | 29,830 | $2.0M |
| HSBC Holdings PLC | 0.00% | Reduce -10.2% | 29,297 | $1.9M |
| Handelsbanken Fonder AB | 0.01% | Add +102.7% | 26,639 | $1.8M |
| Raymond James Financial Inc. | 0.00% | Add +19.6% | 24,847 | $1.6M |
"% of holder's portfolio" is AMBA's weight in each manager's 13F, not the share of Ambarella Inc. the manager owns.