| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.3% | $143,766,412 | 3,081,149 | BlackRock, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 324 institutional investors reported holding 35,759,265 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 | 578,583 | $41,095,934 | +$9,117,629 | $70.84 | 27 |
| 2025 Q3 | 35,759,265 | $2,950,737,728 | +$42,622,731 | $82.52 | 324 |
| 2025 Q2 | 35,085,745 | $2,317,972,853 | +$77,214,057 | $66.06 | 300 |
| 2025 Q1 | 35,186,504 | $1,771,151,426 | +$64,310,882 | $50.33 | 292 |
| 2024 Q4 | 33,736,054 | $2,454,442,191 | +$65,787,257 | $72.74 | 295 |
| 2024 Q3 | 32,939,076 | $1,860,105,908 | -$65,118,701 | $56.40 | 260 |
| 2024 Q2 | 33,946,351 | $1,831,306,991 | +$84,274,951 | $53.95 | 259 |
| 2024 Q1 | 32,920,371 | $1,670,994,164 | -$12,814,533 | $50.77 | 264 |
| 2023 Q4 | 33,035,059 | $2,024,157,588 | +$78,938,079 | $61.29 | 255 |
| 2023 Q3 | 30,995,709 | $1,643,802,053 | -$22,743,049 | $53.03 | 251 |
| 2023 Q2 | 30,804,989 | $2,576,151,353 | +$65,177,020 | $83.67 | 253 |
| 2023 Q1 | 30,212,219 | $2,337,115,894 | -$98,716,077 | $77.42 | 266 |
| 2022 Q4 | 31,418,612 | $2,582,366,731 | +$154,138,991 | $82.23 | 260 |
| 2022 Q3 | 30,242,987 | $1,699,202,283 | +$39,180,061 | $56.18 | 232 |
| 2022 Q2 | 29,354,535 | $1,921,888,545 | +$24,358,393 | $65.46 | 254 |
| 2022 Q1 | 28,659,635 | $3,004,911,220 | -$132,320,007 | $104.92 | 286 |
| 2021 Q4 | 28,156,755 | $5,711,019,289 | -$22,081,079 | $202.89 | 315 |
| 2021 Q3 | 28,476,869 | $4,433,842,319 | +$201,441,781 | $155.74 | 274 |
| 2021 Q2 | 27,377,770 | $2,918,770,335 | +$9,432,656 | $106.63 | 253 |
| 2021 Q1 | 27,702,577 | $2,777,854,305 | +$188,525,930 | $100.39 | 259 |
| 2020 Q4 | 26,556,074 | $2,438,487,213 | +$70,702,980 | $91.82 | 252 |
| 2020 Q3 | 25,799,884 | $1,346,247,956 | +$30,198,437 | $52.18 | 213 |
| 2020 Q2 | 25,349,183 | $1,160,846,534 | -$31,480,457 | $45.80 | 207 |
| 2020 Q1 | 25,723,759 | $1,249,072,716 | +$8,122,577 | $48.56 | 208 |
| 2019 Q4 | 25,825,245 | $1,564,885,202 | +$12,371,414 | $60.56 | 217 |
| 2019 Q3 | 25,550,268 | $1,603,731,201 | +$75,351,236 | $62.84 | 219 |
| 2019 Q2 | 24,633,814 | $1,087,086,067 | +$9,387,969 | $44.13 | 197 |
| 2019 Q1 | 24,675,293 | $1,065,917,803 | +$31,785,437 | $43.20 | 202 |
| 2018 Q4 | 23,930,803 | $837,407,744 | -$70,154,479 | $34.98 | 191 |
| 2018 Q3 | 25,849,864 | $999,881,226 | +$124,220,863 | $38.68 | 194 |
| 2018 Q2 | 22,509,248 | $869,095,608 | -$40,984,150 | $38.61 | 201 |
| 2018 Q1 | 23,000,662 | $1,127,934,596 | -$10,638,043 | $48.99 | 218 |
| 2017 Q4 | 23,460,691 | $1,378,438,054 | +$102,060,627 | $58.75 | 217 |
| 2017 Q3 | 21,389,743 | $1,048,314,000 | +$105,948,858 | $49.01 | 204 |
| 2017 Q2 | 19,240,672 | $934,194,797 | -$1,925,203 | $48.55 | 199 |
| 2017 Q1 | 19,125,322 | $1,046,393,209 | -$35,811,200 | $54.71 | 230 |
| 2016 Q4 | 21,269,391 | $1,151,297,679 | +$76,462,996 | $54.13 | 231 |
| 2016 Q3 | 19,416,063 | $1,428,152,412 | +$182,010,692 | $73.61 | 234 |
| 2016 Q2 | 17,385,210 | $883,307,622 | +$40,132,423 | $50.81 | 203 |
| 2016 Q1 | 16,638,626 | $743,500,121 | -$58,349,577 | $44.70 | 198 |
| 2015 Q4 | 17,256,799 | $961,751,976 | -$57,311,252 | $55.74 | 237 |
| 2015 Q3 | 17,839,063 | $1,030,831,938 | +$42,720,780 | $57.79 | 225 |
| 2015 Q2 | 15,742,804 | $1,618,182,345 | +$61,088,554 | $102.69 | 233 |
| 2015 Q1 | 15,398,921 | $1,165,673,607 | +$59,196,365 | $75.71 | 209 |
| 2014 Q4 | 14,972,213 | $759,499,346 | +$23,677,694 | $50.72 | 184 |
| 2014 Q3 | 14,496,791 | $632,877,553 | +$126,183,595 | $43.67 | 158 |
| 2014 Q2 | 11,901,963 | $371,096,342 | +$113,000,292 | $31.18 | 142 |
| 2014 Q1 | 8,357,839 | $223,306,081 | -$23,814,780 | $26.71 | 127 |