| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.3% | $147,925,963 | 3,081,149 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 325 institutional investors reported holding 35,779,698 shares of AMBARELLA INC - Common Stock (AMBA). This represents 85% of the company’s total 42,207,521 outstanding shares.
The largest institutional shareholders of AMBARELLA INC - Common Stock (AMBA) together control 59% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 12% | 5,168,636 | +0.09% | 0.01% | $426,515,843 |
| BlackRock, Inc. | 9.3% | 3,922,242 | +0.11% | 0.01% | $323,663,420 |
| STATE STREET CORP | 4% | 1,680,855 | -9.4% | 0% | $138,704,155 |
| Jericho Capital Asset Management L.P. | 2.9% | 1,213,347 | +10% | 1% | $100,125,395 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.6% | 1,107,673 | +8.9% | 0.31% | $91,405,159 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 985,017 | +0.89% | 0.01% | $81,295,208 |
| MORGAN STANLEY | 2.3% | 958,506 | +21% | 0% | $79,095,975 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2% | 853,215 | -38% | 0.06% | $70,407,302 |
| UBS Group AG | 1.9% | 821,747 | +379% | 0.01% | $67,810,562 |
| BARCLAYS PLC | 1.8% | 775,113 | +122% | 0.02% | $63,962,324 |
| OBERWEIS ASSET MANAGEMENT INC/ | 1.4% | 611,360 | +6.6% | 1.9% | $50,449,427 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 607,249 | +6.9% | 0% | $50,110,187 |
| Squarepoint Ops LLC | 1.4% | 586,972 | +5.3% | 0.1% | $48,436,929 |
| Connor, Clark & Lunn Investment Management Ltd. | 1.3% | 566,830 | +18% | 0.15% | $46,774,812 |
| Nuveen, LLC | 1.3% | 558,196 | +11% | 0.01% | $46,062,333 |
| Legal & General Group Plc | 1.2% | 518,799 | -18% | 0.01% | $42,811,294 |
| DIMENSIONAL FUND ADVISORS LP | 1.2% | 511,598 | -0.88% | 0.01% | $42,217,072 |
| GOLDMAN SACHS GROUP INC | 1.2% | 507,552 | +41% | 0.01% | $41,883,221 |
| Stephens Investment Management Group LLC | 1.1% | 477,498 | -3.3% | 0.51% | $39,403,135 |
| CITADEL ADVISORS LLC | 1.1% | 454,988 | -52% | 0.03% | $37,545,610 |
| Tributary Capital Management, LLC | 1% | 423,790 | +88% | 1.7% | $34,971,150 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.94% | 397,202 | -11% | 0.13% | $32,777,109 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.91% | 386,140 | +38% | 0.05% | $31,874,598 |
| NORTHERN TRUST CORP | 0.91% | 383,175 | +0.13% | 0% | $31,619,602 |
| Driehaus Capital Management LLC | 0.9% | 381,131 | 0.23% | $31,450,930 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 607,722 | $43,034,088 | +$8,468,961 | $70.84 | 36 |
| 2025 Q3 | 35,779,698 | $2,952,424,335 | +$42,624,057 | $82.52 | 325 |
| 2025 Q2 | 35,085,745 | $2,317,972,853 | +$77,214,064 | $66.06 | 300 |
| 2025 Q1 | 35,186,404 | $1,771,146,018 | +$64,310,876 | $50.33 | 291 |
| 2024 Q4 | 33,736,460 | $2,454,349,057 | +$65,823,299 | $72.74 | 295 |
| 2024 Q3 | 32,923,308 | $1,859,216,322 | -$65,836,876 | $56.40 | 263 |
| 2024 Q2 | 33,943,316 | $1,831,143,678 | +$86,794,304 | $53.95 | 260 |
| 2024 Q1 | 32,854,091 | $1,667,646,140 | +$10,398,942 | $50.77 | 263 |
| 2023 Q4 | 292,634 | $17,935,538 | -$1,266,129 | $61.29 | 3 |
| 2023 Q3 | 30,576,570 | $1,621,574,644 | -$21,001,991 | $53.03 | 248 |
| 2023 Q2 | 30,402,963 | $2,542,513,399 | +$36,147,175 | $83.67 | 249 |
| 2023 Q1 | 30,182,826 | $2,334,864,258 | -$82,842,756 | $77.42 | 263 |
| 2022 Q4 | 31,389,008 | $2,579,932,327 | +$138,729,356 | $82.23 | 256 |
| 2022 Q3 | 28,388,182 | $1,594,998,066 | +$45,279,471 | $56.18 | 225 |
| 2022 Q2 | 29,327,864 | $1,915,980,724 | +$19,004,348 | $65.46 | 250 |
| 2022 Q1 | 28,532,283 | $2,991,549,919 | -$79,267,347 | $104.92 | 281 |
| 2021 Q4 | 28,027,742 | $5,684,844,883 | -$9,826,808 | $202.89 | 311 |
| 2021 Q3 | 28,453,202 | $4,430,157,305 | +$198,121,045 | $155.74 | 273 |
| 2021 Q2 | 27,375,375 | $2,918,515,357 | +$9,870,358 | $106.63 | 253 |
| 2021 Q1 | 26,981,579 | $2,705,472,860 | +$117,790,334 | $100.39 | 260 |
| 2020 Q4 | 26,469,153 | $2,430,419,889 | +$72,832,353 | $91.82 | 250 |
| 2020 Q3 | 25,712,128 | $1,341,668,553 | +$29,313,461 | $52.18 | 210 |
| 2020 Q2 | 25,196,644 | $1,153,853,328 | -$39,631,775 | $45.80 | 204 |
| 2020 Q1 | 25,685,733 | $1,247,237,716 | +$18,731,035 | $48.56 | 205 |
| 2019 Q4 | 25,813,758 | $1,564,187,530 | +$12,394,924 | $60.56 | 213 |
| 2019 Q3 | 25,543,606 | $1,603,311,841 | +$75,759,951 | $62.83 | 216 |
| 2019 Q2 | 24,246,351 | $1,069,988,731 | +$17,407,950 | $44.13 | 193 |
| 2019 Q1 | 23,895,795 | $1,032,245,331 | +$70,528,924 | $43.20 | 198 |
| 2018 Q4 | 23,572,792 | $824,885,779 | -$66,516,843 | $34.98 | 187 |
| 2018 Q3 | 25,838,070 | $999,425,051 | +$139,499,843 | $38.68 | 189 |
| 2018 Q2 | 22,281,459 | $860,301,191 | -$40,112,685 | $38.61 | 194 |
| 2018 Q1 | 22,495,338 | $1,103,181,174 | -$17,877,298 | $48.99 | 213 |
| 2017 Q4 | 23,383,626 | $1,373,899,298 | +$119,881,874 | $58.75 | 213 |
| 2017 Q3 | 21,230,025 | $1,040,482,532 | +$103,705,374 | $49.01 | 200 |
| 2017 Q2 | 18,997,833 | $922,403,181 | -$6,152,330 | $48.55 | 194 |
| 2017 Q1 | 19,080,135 | $1,043,896,792 | -$33,954,407 | $54.71 | 225 |
| 2016 Q4 | 21,265,458 | $1,151,084,876 | +$76,710,159 | $54.13 | 229 |
| 2016 Q3 | 19,289,248 | $1,418,816,412 | +$183,392,780 | $73.61 | 232 |
| 2016 Q2 | 17,296,411 | $878,795,622 | +$40,163,189 | $50.81 | 202 |
| 2016 Q1 | 16,631,315 | $743,173,121 | -$56,597,943 | $44.70 | 197 |
| 2015 Q4 | 17,234,820 | $960,525,976 | -$47,207,442 | $55.74 | 236 |
| 2015 Q3 | 17,668,582 | $1,021,114,938 | +$33,878,156 | $57.79 | 225 |
| 2015 Q2 | 15,161,473 | $1,558,483,345 | +$60,452,820 | $102.69 | 228 |
| 2015 Q1 | 15,317,538 | $1,159,510,607 | +$60,844,951 | $75.71 | 207 |
| 2014 Q4 | 14,941,453 | $757,939,346 | +$23,416,348 | $50.72 | 183 |
| 2014 Q3 | 14,496,791 | $632,877,553 | +$126,190,705 | $43.67 | 158 |
| 2014 Q2 | 11,842,391 | $369,239,342 | +$112,354,369 | $31.18 | 140 |
| 2014 Q1 | 8,334,976 | $222,695,081 | -$21,915,742 | $26.71 | 128 |