AmbarellaAMBA
13F holders, Q3 2025 (September 30)329holders +25
61new positions
40sold out
7famous investors
$82.52avg. 13F price*
At the end of Q3 2025, 329 institutions reported holding Ambarella Inc. (AMBA) in their 13F filings, up 25 from Q2 2025. 61 opened new positions and 40 sold out. The largest holders were Vanguard Group Inc. ($426.5M), BlackRock, Inc. ($323.7M) and State Street Corp. ($138.7M). 7 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Ambarella Inc.
- CUSIP
- G037AX101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 61 | $95.4M |
| Exits | 40 | $128.0M |
All 13F filers, Q2 2025 → Q3 2025: 4,907,177 shares bought and 4,819,411 shares sold, net +87,766 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 329 holders
| Vanguard Group Inc. | 0.01% | Add +0.1% | 5,168,636 | $426.5M |
| BlackRock, Inc. | 0.01% | Add +0.1% | 3,922,242 | $323.7M |
| State Street Corp. | 0.00% | Reduce -9.4% | 1,680,855 | $138.7M |
| Jericho Capital Asset Management L.P. | 1.04% | Add +10.5% | 1,213,347 | $100.1M |
| Fuller & Thaler Asset Management, Inc. | 0.31% | Add +8.9% | 1,107,673 | $91.4M |
| Geode Capital Management, LLC | 0.01% | Add +0.9% | 985,017 | $81.3M |
| Morgan Stanley | 0.00% | Add +21.0% | 958,506 | $79.1M |
| Manufacturers Life Insurance Company, The | 0.06% | Reduce -37.8% | 853,215 | $70.4M |
| UBS Group AG | 0.01% | Add +379.3% | 821,747 | $67.8M |
| Barclays PLC | 0.02% | Add +121.7% | 775,113 | $64.0M |
| Oberweis Asset Management Inc./ | 1.93% | Add +6.6% | 611,360 | $50.4M |
| Bank of America Corp. | 0.00% | Add +6.9% | 607,249 | $50.1M |
| Squarepoint Ops LLC | 0.10% | Add +5.3% | 586,972 | $48.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.15% | Add +17.8% | 566,830 | $46.8M |
| Nuveen, LLC | 0.01% | Add +10.6% | 558,196 | $46.1M |
| Legal & General Group Plc | 0.01% | Reduce -18.2% | 518,799 | $42.8M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -0.9% | 511,598 | $42.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +40.9% | 507,552 | $41.9M |
| Stephens Investment Management Group LLC | 0.51% | Reduce -3.3% | 477,498 | $39.4M |
| Citadel Advisors | 0.03% | Reduce -51.9% | 454,988 | $37.5M |
| Jacobs Levy Equity Management, Inc. | 0.13% | Reduce -11.3% | 397,202 | $32.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.05% | Add +37.7% | 386,140 | $31.9M |
| Northern Trust Corp. | 0.00% | Add +0.1% | 383,175 | $31.6M |
| Driehaus Capital Management LLC | 0.23% | New | 381,131 | $31.5M |
| Pinnacle Associates Ltd. | 0.41% | Reduce -3.0% | 376,801 | $31.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.5% | 358,157 | $29.6M |
| Invesco Ltd. | 0.00% | Add +3.1% | 356,194 | $29.4M |
| Segall Bryant & Hamill, LLC | 0.37% | Reduce -1.6% | 339,201 | $28.0M |
| AXA Investment Managers S.A. | 0.07% | — | 332,581 | $27.4M |
| Balyasny Asset Management L.P. | 0.06% | Reduce -28.0% | 330,802 | $27.3M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +180.8% | 316,381 | $26.1M |
| Qube Research & Technologies Ltd | 0.03% | Add +21.6% | 291,425 | $24.0M |
| Exchange Traded Concepts, LLC | 0.21% | Reduce -26.8% | 271,433 | $22.4M |
| Robeco Schweiz AG | 0.46% | Reduce -2.2% | 247,545 | $20.4M |
| Trexquant Investment LP | 0.21% | Add +52.4% | 244,325 | $20.2M |
| JPMorgan Chase & Co. | 0.00% | Add +98.7% | 242,630 | $20.0M |
| Renaissance Technologies | 0.03% | Reduce -30.9% | 242,600 | $20.0M |
| FMR LLC | 0.00% | Add +9.6% | 241,865 | $20.0M |
| Algert Global LLC | 0.33% | Add +7.5% | 237,890 | $19.6M |
| SG Capital Management LLC | 1.92% | Add +23.0% | 232,713 | $19.2M |
| AQR Capital Management | 0.01% | Add +2.4% | 230,385 | $19.0M |
| BNP Paribas Financial Markets | 0.01% | Add +977.6% | 227,205 | $18.7M |
| Marshall Wace, LLP | 0.02% | Add +150.1% | 220,869 | $18.2M |
| Tributary Capital Management, LLC | 1.58% | Reduce -5.8% | 211,895 | $17.5M |
| Royal Bank of Canada | 0.00% | Add +179.7% | 200,696 | $16.6M |
| Handelsbanken Fonder AB | 0.04% | Add +537.3% | 169,775 | $14.0M |
| Susquehanna International Group, LLP | 0.02% | Reduce -0.6% | 158,846 | $13.1M |
| S Squared Technology, LLC | 4.82% | Add +29.5% | 153,551 | $12.7M |
| Sora Investors LLC | 1.16% | Add +100.7% | 152,367 | $12.6M |
| Acadian Asset Management LLC | 0.02% | Reduce -33.6% | 149,960 | $12.4M |
| Engineers Gate Manager LP | 0.13% | Add +31.2% | 133,200 | $11.0M |
| First Trust Advisors LP | 0.01% | Reduce -30.1% | 122,214 | $10.1M |
| Point72 Asset Management | 0.02% | New | 121,611 | $10.0M |
| Millennium Management | 0.01% | Add +85.5% | 118,822 | $9.8M |
| Raymond James Financial Inc. | 0.00% | Add +369.6% | 116,683 | $9.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -18.5% | 109,649 | $9.0M |
| Potrero Capital Research LLC | 2.64% | Reduce -29.8% | 105,373 | $8.7M |
| Capital Fund Management S.A. | 0.08% | Add +4.0% | 100,550 | $8.3M |
| Hillsdale Investment Management Inc. | 0.25% | Add +3.3% | 100,080 | $8.3M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Reduce -2.1% | 94,088 | $7.8M |
| Essex Investment Management Co. LLC | 1.08% | Add +1.0% | 85,352 | $7.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -9.8% | 84,725 | $7.0M |
| Deutsche Bank AG | 0.00% | Reduce -55.1% | 80,404 | $6.6M |
| Lord, Abbett & Co. LLC | 0.02% | Add +15.4% | 79,751 | $6.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -66.2% | 78,727 | $6.5M |
| HRT Financial LP | 0.02% | New | 78,262 | $6.5M |
| Swiss National Bank | 0.00% | Add +1.4% | 78,133 | $6.4M |
| SWS Partners | 1.54% | Add +1.7% | 76,417 | $6.3M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -27.5% | 73,880 | $6.1M |
| Readystate Asset Management LP | 0.59% | New | 72,945 | $6.0M |
| Atom Investors LP | 0.43% | Add +191.0% | 68,487 | $5.7M |
| G2 Investment Partners Management LLC | 1.12% | New | 66,000 | $5.4M |
| ArrowMark Colorado Holdings LLC | 0.10% | No change | 65,000 | $5.4M |
| Wells Fargo & Company | 0.00% | Add +15.6% | 63,157 | $5.2M |
| Jump Financial, LLC | 0.07% | New | 63,053 | $5.2M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -0.5% | 61,871 | $5.1M |
| Rhumbline Advisers | 0.00% | Reduce -4.1% | 59,563 | $4.9M |
| Man Group plc | 0.01% | Reduce -40.9% | 58,983 | $4.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +290.4% | 58,428 | $4.8M |
| AIGH Capital Management LLC | 1.44% | New | 50,000 | $4.1M |
| Susquehanna Portfolio Strategies, LLC | 0.06% | No change | 48,867 | $4.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -59.7% | 47,767 | $3.9M |
| Edgestream Partners, L.P. | 0.11% | Add +181.3% | 46,557 | $3.8M |
| Franklin Resources Inc. | 0.00% | Add +7.5% | 45,706 | $3.8M |
| Westerly Capital Management, LLC | 1.18% | Reduce -68.5% | 45,000 | $3.7M |
| Sei Investments Co. | 0.00% | Reduce -7.3% | 42,405 | $3.5M |
| Jane Street Group, LLC | 0.00% | Add +275.8% | 41,984 | $3.5M |
| Granite Investment Partners, LLC | 0.18% | Reduce -11.3% | 39,485 | $3.3M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 36,346 | $3.0M |
| Van Eck Associates Corp. | 0.00% | Add +110.3% | 36,303 | $3.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.2% | 35,837 | $3.0M |
| Wolverine Trading, LLC | 0.06% | Reduce -23.8% | 32,985 | $2.7M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +8.0% | 32,218 | $2.7M |
| IMC-Chicago, LLC | 0.04% | New | 27,228 | $2.2M |
| Occudo Quantitative Strategies LP | 0.27% | Add +91.2% | 26,650 | $2.2M |
| Creative Planning | 0.00% | Add +23.1% | 26,554 | $2.2M |
| Prudential Financial Inc. | 0.00% | New | 26,460 | $2.2M |
| Harber Asset Management LLC | 0.75% | Reduce -41.1% | 24,594 | $2.0M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +13.4% | 24,347 | $2.0M |
| Point72 Hong Kong Ltd | 0.09% | New | 24,212 | $2.0M |
"% of holder's portfolio" is AMBA's weight in each manager's 13F, not the share of Ambarella Inc. the manager owns.