AmbarellaAMBA
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 307 institutions reported holding Ambarella Inc. (AMBA) in their 13F filings, down 17 from Q4 2025. 54 opened new positions and 75 sold out. The largest holders were BlackRock, Inc. ($195.0M), Vanguard Portfolio Management LLC ($191.3M) and State Street Corp. ($101.7M). 7 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ambarella Inc.
- CUSIP
- G037AX101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 54 | $127.4M |
| Exits | 75 | $352.7M |
All 13F filers, Q4 2025 → Q1 2026: 7,726,393 shares bought and 8,665,010 shares sold, net −938,617 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 307 holders
| BlackRock, Inc. | 0.00% | Reduce -1.0% | 3,789,215 | $195.0M |
| Vanguard Portfolio Management LLC | 0.01% | — | 3,716,863 | $191.3M |
| State Street Corp. | 0.00% | Add +16.1% | 1,976,464 | $101.7M |
| Vanguard Capital Management LLC | 0.00% | — | 1,814,603 | $93.4M |
| Manufacturers Life Insurance Company, The | 0.07% | Add +49.5% | 1,586,082 | $81.6M |
| Millennium Management | 0.06% | Add +790.5% | 1,512,539 | $77.9M |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 1,029,229 | $53.0M |
| T. Rowe Price Associates Inc. | 0.01% | Add +10.1% | 952,315 | $49.0M |
| Citadel Advisors | 0.03% | Add +74.0% | 931,862 | $48.0M |
| Legal & General Group Plc | 0.01% | Add +50.9% | 926,396 | $47.7M |
| Morgan Stanley | 0.00% | Reduce -20.5% | 724,655 | $37.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +28.1% | 638,587 | $32.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.07% | Add +7.8% | 600,506 | $30.9M |
| Exchange Traded Concepts, LLC | 0.23% | Add +61.9% | 571,580 | $29.4M |
| FIFTHDELTA Ltd | 3.88% | New | 546,538 | $28.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.04% | Add +23.7% | 541,901 | $27.7M |
| Point72 Asset Management | 0.05% | Reduce -32.5% | 521,211 | $26.8M |
| AQR Capital Management | 0.01% | Add +110.2% | 495,815 | $25.5M |
| Nuveen, LLC | 0.01% | Add +2.3% | 487,820 | $25.1M |
| Bank of America Corp. | 0.00% | Add +7.8% | 481,758 | $24.8M |
| Stephens Investment Management Group LLC | 0.34% | Reduce -0.4% | 475,141 | $24.5M |
| Squarepoint Ops LLC | 0.05% | Reduce -42.0% | 460,580 | $23.7M |
| JPMorgan Chase & Co. | 0.00% | Add +76.9% | 473,762 | $23.0M |
| Pinnacle Associates Ltd. | 0.28% | Add +19.8% | 430,249 | $22.1M |
| Algert Global LLC | 0.32% | Add +96.8% | 409,220 | $21.1M |
| Handelsbanken Fonder AB | 0.07% | Add +27.0% | 396,690 | $20.4M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | Add +24.4% | 384,796 | $19.8M |
| Northern Trust Corp. | 0.00% | Add +3.0% | 374,780 | $19.3M |
| Jacobs Levy Equity Management, Inc. | 0.08% | Add +14.4% | 364,429 | $18.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.5% | 363,291 | $18.7M |
| Woodline Partners LP | 0.07% | New | 349,479 | $18.0M |
| UBS Group AG | 0.00% | Reduce -50.6% | 314,046 | $16.2M |
| FMR LLC | 0.00% | Add +7.5% | 302,337 | $15.6M |
| Oberweis Asset Management Inc./ | 0.45% | Reduce -52.2% | 295,185 | $15.2M |
| Balyasny Asset Management L.P. | 0.03% | Reduce -19.5% | 289,849 | $14.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 284,289 | $14.6M |
| Hawk Ridge Capital Management LP | 0.52% | New | 276,100 | $14.2M |
| T. Rowe Price Investment Management, Inc. | 0.01% | New | 257,800 | $13.3M |
| Marshall Wace, LLP | 0.01% | Reduce -21.6% | 249,542 | $12.8M |
| D. E. Shaw & Co. | 0.01% | New | 245,165 | $12.6M |
| Walleye Capital LLC | 0.07% | Add +2201.8% | 210,934 | $10.9M |
| Goldman Sachs Group Inc. | 0.00% | Add +1.1% | 209,817 | $10.8M |
| Renaissance Technologies | 0.02% | New | 199,400 | $10.3M |
| Raymond James Financial Inc. | 0.00% | Reduce -1.4% | 186,296 | $9.2M |
| Susquehanna International Group, LLP | 0.01% | Reduce -30.9% | 153,741 | $7.9M |
| Freemont Management S.A. | 1.31% | Add +251.9% | 135,800 | $7.0M |
| First Trust Advisors LP | 0.00% | Reduce -9.3% | 132,938 | $6.8M |
| Westerly Capital Management, LLC | 2.06% | Add +52.9% | 130,000 | $6.7M |
| Mairs & Power Inc. | 0.06% | New | 117,581 | $6.1M |
| Shannon River Fund Management LLC | 1.13% | Reduce -61.8% | 114,940 | $5.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.6% | 112,192 | $5.8M |
| Portolan Capital Management, LLC | 0.30% | Add +100.5% | 108,749 | $5.6M |
| Hillsdale Investment Management Inc. | 0.15% | Add +2.0% | 107,000 | $5.5M |
| Robeco Schweiz AG | 0.11% | Reduce -35.9% | 104,154 | $5.4M |
| Deutsche Bank AG | 0.00% | Reduce -2.8% | 95,460 | $4.9M |
| Engineers Gate Manager LP | 0.06% | Reduce -24.9% | 93,943 | $4.8M |
| Allianz Asset Management GmbH | 0.01% | New | 92,600 | $4.8M |
| SWS Partners | 1.16% | Add +2.5% | 91,437 | $4.7M |
| Sei Investments Co. | 0.00% | Add +38.4% | 89,139 | $4.6M |
| ArrowMark Colorado Holdings LLC | 0.12% | Add +61.8% | 89,000 | $4.6M |
| Russell Investments Group, Ltd. | 0.00% | Add +24.6% | 88,320 | $4.5M |
| Invesco Ltd. | 0.00% | Add +7.3% | 87,804 | $4.5M |
| Panagora Asset Management Inc. | 0.02% | New | 87,167 | $4.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.9% | 83,104 | $4.3M |
| Essex Investment Management Co. LLC | 0.67% | Reduce -1.7% | 82,387 | $4.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +0.8% | 81,909 | $4.2M |
| Swiss National Bank | 0.00% | Add +1.0% | 80,833 | $4.2M |
| Franklin Resources Inc. | 0.00% | Add +41.3% | 77,413 | $4.0M |
| Lord, Abbett & Co. LLC | 0.01% | Reduce -3.9% | 76,646 | $3.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -62.9% | 44,258 | $3.1M |
| Sora Investors LLC | 0.28% | Reduce -63.7% | 59,092 | $3.0M |
| DNB Asset Management AS | 0.01% | Add +22.3% | 57,689 | $3.0M |
| Rhumbline Advisers | 0.00% | Add +1.4% | 56,654 | $2.9M |
| Acadian Asset Management LLC | 0.00% | Reduce -55.4% | 54,200 | $2.8M |
| SG Americas Securities, LLC | 0.00% | Reduce -7.0% | 51,367 | $2.6M |
| Trexquant Investment LP | 0.02% | Reduce -66.2% | 49,294 | $2.5M |
| Wells Fargo & Company | 0.00% | Reduce -47.4% | 48,433 | $2.5M |
| California State Teachers Retirement System | 0.00% | Add +24.0% | 47,918 | $2.5M |
| Granite Investment Partners, LLC | 0.14% | Add +59.3% | 44,240 | $2.3M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Add +0.6% | 43,068 | $2.2M |
| Susquehanna Portfolio Strategies, LLC | 0.03% | Reduce -13.6% | 42,202 | $2.2M |
| Samjo Management, LLC | 0.93% | New | 41,630 | $2.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -32.3% | 40,622 | $2.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 36,100 | $1.9M |
| Holocene Advisors, LP | 0.00% | New | 35,460 | $1.8M |
| Creative Planning | 0.00% | Add +34.5% | 34,524 | $1.8M |
| Occudo Quantitative Strategies LP | 0.09% | Add +442.3% | 25,210 | $1.7M |
| Ieq Capital, LLC | 0.01% | Add +185.8% | 32,408 | $1.7M |
| Brevan Howard Capital Management LP | 0.02% | New | 30,759 | $1.6M |
| Citigroup Inc. | 0.00% | Reduce -1.3% | 30,324 | $1.6M |
| Man Group plc | 0.00% | Add +16.7% | 28,984 | $1.5M |
| Van Eck Associates Corp. | 0.00% | Reduce -19.4% | 28,682 | $1.5M |
| Stifel Financial Corp. | 0.00% | Add +171.7% | 27,253 | $1.4M |
| Harbor Capital Advisors, Inc. | 0.11% | New | 26,989 | $1.4M |
| IMC-Chicago, LLC | 0.02% | Reduce -42.3% | 25,608 | $1.3M |
| Quantbot Technologies LP | 0.05% | Add +6.4% | 25,225 | $1.3M |
| Dark Forest Capital Management LP | 0.11% | New | 23,073 | $1.2M |
| MetLife Investment Management, LLC | 0.01% | Add +1.0% | 22,912 | $1.2M |
| KBC Group NV | 0.00% | No change | 21,795 | $1.1M |
| Los Angeles Capital Management LLC | 0.00% | Add +11.2% | 20,842 | $1.1M |
"% of holder's portfolio" is AMBA's weight in each manager's 13F, not the share of Ambarella Inc. the manager owns.