AMBA · Company research
Ambarella, Inc. Ordinary Shares (AMBA): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| PFG Advisors | 1694435 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7045 | 604461 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| OBERWEIS ASSET MANAGEMENT INC/ | 937886 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 342254 | 29365393 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 884414 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 504409 | 43278292 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| KBC Group NV | 1411133 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21795 | 1870 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| TOTH FINANCIAL ADVISORY CORP | 866780 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35 | 3003 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42746 | 3667607 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Bare Financial Services, Inc | 2009426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22 | 1888 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| VICTORY CAPITAL MANAGEMENT INC | 1040188 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4833 | 414671 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25 | 2145 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| McCollum Christoferson Group LLC | 1727573 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2750 | 235950 | — | — | — | Jul 13, 2026 | SEC_13F_DATASET |
| Thrivent Financial for Lutherans | 314984 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6470 | 555 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Portolan Capital Management, LLC | 1350290 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 97072 | 8328778 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SG Americas Securities, LLC | 1313360 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9696 | 832 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Cornerstone Investment Partners, LLC | 1328062 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2647 | 227113 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Cetera Investment Advisers | 1666741 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5729 | 491548 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| FIRST COMMUNITY TRUST NA | 1130344 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5000 | 429000 | — | — | — | Jul 10, 2026 | SEC_13F_DATASET |
| Financial Management Professionals, Inc. | 1568132 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 373 | 32003 | — | — | — | Jul 9, 2026 | SEC_13F_DATASET |
| USS Investment Management Ltd | 1587381 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2700 | 231674 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1873539 | 160749646 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12368 | 1061181 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 172 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Hennion & Walsh Asset Management, Inc. | 1861642 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11121 | 954182 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| RHUMBLINE ADVISERS | 1115418 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 53925 | 4626754 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2335 | 200343 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4786 | 411 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SIG BROKERAGE, LP | 1094429 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4500 | 386100 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10400 | 892320 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Central Pacific Bank - Trust Division | 2020066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 85800 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5389 | 462376 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Avion Wealth | 1792704 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50 | 4 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| CAPITAL FUND MANAGEMENT S.A. | 1323645 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21407 | 1836720 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 1177206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30588 | 2624450 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DNB Asset Management AS | 1456670 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28057 | 2407291 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| RAYMOND JAMES FINANCIAL INC | 720005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 76665 | 6577857 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rialto Wealth Management, LLC | 2054966 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 1287 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| MENORA MIVTACHIM HOLDINGS LTD. | 1351917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 757571 | 64999592 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4720 | 404976 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1104550 | 94770389 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Atlantic Union Bankshares Corp | 883948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 275 | 23595 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Ensign Peak Advisors, Inc | 1454984 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2340 | 200772 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37300 | 3200 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 313028 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 47 | 4033 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 880 | 75504 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 315297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4125 | 354 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Johnson Financial Group, Inc. | 1477024 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1018 | 87345 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| OAK ASSOCIATES LTD /OH/ | 836372 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6579 | 564478 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| T. Rowe Price Investment Management, Inc. | 1897612 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 513569 | 44065 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2542059 | 218109 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17700 | 1518660 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 334360 | 28688088 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NBH Bank | 2148930 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21 | 1802 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6487 | 556585 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SBI Okasan Asset Management Co.Ltd. | 1535128 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16700 | 1119067 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| MAIRS & POWER INC | 1070134 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126353 | 10841087 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2127 | 182000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Federation des caisses Desjardins du Quebec | 2022297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 460 | 39468 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Kilter Group LLC | 2058915 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3 | 258 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2057170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4246 | 364306 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4128 | 354183 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| XPONANCE LLC | 1637541 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4211 | 361304 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| OFI INVEST ASSET MANAGEMENT | 1977602 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 634 | 47579 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| ACT CAPITAL MANAGEMENT, LLC | 1442273 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16000 | 1372800 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 298076 | 25574921 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 547 | 46933 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15968 | 1370054 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3688405 | 316465149 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Keating Financial Advisory Services, Inc. | 2103443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13 | 1115 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15425 | 1323465 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| ProShare Advisors LLC | 1357955 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11099 | 952293 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| IEQ CAPITAL, LLC | 1779789 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18945 | 1625481 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Robinhood Asset Management, LLC | 2067588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 159123 | 13652711 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Synergy Investment Management, LLC | 2053786 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 1287 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Measured Wealth Private Client Group, LLC | 1720235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1 | 63 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 225 | 19305 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 307 | 26341 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| WBI INVESTMENTS, LLC | 1397424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12675 | 1087515 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 681770 | 58495866 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Mitsubishi UFJ Asset Management Co., Ltd. | 1466546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 121951 | 10463396 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Swiss Life Asset Management Ltd | 1637689 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2896 | 248477 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| EMERALD ADVISERS, LLC | 1015083 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 96501 | 8279786 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.