Ambarella Inc
AMBA- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280263
In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 9 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Ambarella Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 281
- +25 vs. Q2 2021
- Shares held
- 28.5M
- +1.14M (+4.2%) vs. Q2 2021
- Total value
- $4.44B
- +$1.52B (+52.0%) vs. Q2 2021
- New holders
- 54
- 72 more added
- Sold out
- 29
- 120 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.69B |
| Q3 2025 | 329 | $2.95B |
| Q2 2025 | 305 | $2.33B |
| Q1 2025 | 298 | $1.78B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.87B |
| Q2 2024 | 262 | $1.86B |
| Q1 2024 | 269 | $1.84B |
| Q4 2023 | 258 | $2.15B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 272 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.78B |
| Q2 2022 | 267 | $1.96B |
| Q1 2022 | 293 | $3.09B |
| Q4 2021 | 328 | $5.73B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 259 | $2.99B |
| Q1 2021 | 266 | $2.80B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,380,511 | $526.5M | 0.01% | +32,700+1.0% | Added |
| BlackRock Inc. | 3,326,258 | $518.0M | 0.01% | +183,482+5.8% | Added |
| Invesco Ltd. | 1,197,600 | $186.5M | 0.05% | +122,339+11.4% | Added |
| Alliancebernstein L.P. | 1,090,661 | $169.9M | 0.07% | +204,441+23.1% | Added |
| Macquarie Group Ltd | 1,077,447 | $167.8M | 0.14% | +536,743+99.3% | Added |
| State Street Corp | 1,056,036 | $164.5M | 0.01% | −17,496−1.6% | Reduced |
| JPMorgan Chase & Co | 675,024 | $105.1M | 0.01% | −39,502−5.5% | Reduced |
| Dimensional Fund Advisors LP | 636,289 | $99.1M | 0.03% | −2,959−0.5% | Reduced |
| Geode Capital Management, LLC | 623,581 | $97.1M | 0.01% | −11,289−1.8% | Reduced |
| Driehaus Capital Management LLC | 577,341 | $89.9M | 1.07% | +357,013+162.0% | Added |
| Baillie Gifford & Co | 570,719 | $88.9M | 0.05% | −4,516−0.8% | Reduced |
| Morgan Stanley | 497,591 | $77.5M | 0.01% | −192,713−27.9% | Reduced |
| AXA S.A. | 480,061 | $74.8M | 0.21% | −21,462−4.3% | Reduced |
| Janus Henderson Group PLC | 462,116 | $72.0M | 0.03% | −105,302−18.6% | Reduced |
| Pinnacle Associates Ltd | 424,104 | $66.0M | 1.22% | −78,477−15.6% | Reduced |
| Holocene Advisors, LP | 420,712 | $65.5M | 0.38% | +420,712 | New |
| Lord, Abbett & Co. LLC | 407,915 | $63.5M | 0.15% | +407,915 | New |
| Eaton Vance Management | 403,003 | $62.8M | 0.09% | +22,964+6.0% | Added |
| Northern Trust Corp | 378,363 | $58.9M | 0.01% | −16,358−4.1% | Reduced |
| Allianz Asset Management GmbH | 368,844 | $57.4M | 0.05% | +1,744+0.5% | Added |
| Polar Capital Holdings Plc | 357,728 | $55.7M | 0.25% | +357,728 | New |
| Newbrook Capital Advisors LP | 348,973 | $54.3M | 3.96% | −58,011−14.3% | Reduced |
| Norges Bank | 344,447 | $53.6M | 0.01% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 341,783 | $53.2M | 0.14% | +79,790+30.5% | Added |
| Renaissance Technologies LLC | 300,000 | $46.7M | 0.06% | −208,033−40.9% | Reduced |
| Charles Schwab Investment Management Inc | 274,815 | $42.8M | 0.01% | −1,478−0.5% | Reduced |
| Two Sigma Advisers, LP | 236,900 | $36.9M | 0.10% | −66,300−21.9% | Reduced |
| Principal Financial Group Inc | 234,342 | $36.5M | 0.02% | −130,795−35.8% | Reduced |
| D. E. Shaw & Co., Inc. | 223,493 | $34.8M | 0.04% | +68,191+43.9% | Added |
| Goldman Sachs Group Inc | 218,499 | $34.0M | 0.01% | −97,927−30.9% | Reduced |
| KCL Capital, L.P. | 215,500 | $33.6M | 5.06% | −109,500−33.7% | Reduced |
| Shannon River Fund Management LLC | 212,557 | $33.1M | 2.90% | −54,926−20.5% | Reduced |
| FMR LLC | 210,696 | $32.8M | 0.00% | +41,656+24.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 207,804 | $32.4M | 0.08% | +35,589+20.7% | Added |
| Bank of New York Mellon Corp | 205,299 | $32.0M | 0.01% | +73,218+55.4% | Added |
| Candriam Luxembourg S.C.A. | 196,587 | $30.6M | 0.21% | −661−0.3% | Reduced |
| AO Asset Management, LP | 190,600 | $29.7M | 2.18% | +32,700+20.7% | Added |
| Nuveen Asset Management, LLC | 186,387 | $28.0M | 0.01% | −1,639−0.9% | Reduced |
| Deutsche Bank AG | 179,056 | $27.9M | 0.01% | +22,888+14.7% | Added |
| Primecap Management Co | 174,900 | $27.2M | 0.02% | −143,300−45.0% | Reduced |
| Bank of America Corp | 174,792 | $27.2M | 0.00% | −25,622−12.8% | Reduced |
| Vident Investment Advisory, LLC | 167,000 | $26.0M | 0.79% | −49,594−22.9% | Reduced |
| Balyasny Asset Management LLC | 150,873 | $23.5M | 0.11% | +150,873 | New |
| Legal & General Group Plc | 144,870 | $22.6M | 0.01% | −32,554−18.3% | Reduced |
| Voloridge Investment Management, LLC | 130,542 | $20.3M | 0.13% | +3,050+2.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 127,263 | $19.8M | 0.10% | −23,406−15.5% | Reduced |
| Polar Asset Management Partners Inc. | 116,665 | $18.2M | 0.21% | −84,700−42.1% | Reduced |
| KBC Group NV | 115,768 | $18.0M | 0.07% | −8,530−6.9% | Reduced |
| G2 Investment Partners Management LLC | 115,000 | $17.9M | 3.11% | +22,000+23.7% | Added |
| Federated Hermes, Inc. | 112,725 | $17.6M | 0.03% | −34,822−23.6% | Reduced |
| Marshall Wace North America L.P. | 110,576 | $17.2M | 0.07% | −107,886−49.4% | Reduced |
| Maplelane Capital, LLC | 109,000 | $17.0M | 1.20% | +16,000+17.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 105,809 | $16.5M | 0.11% | −2,573−2.4% | Reduced |
| Victory Capital Management Inc | 105,727 | $16.5M | 0.02% | −5,664−5.1% | Reduced |
| Scout Investments, Inc. | 103,874 | $16.2M | 0.24% | −1,152−1.1% | Reduced |
| State of Wisconsin Investment Board | 99,200 | $15.4M | 0.03% | −600−0.6% | Reduced |
| DekaBank Deutsche Girozentrale | 99,200 | $15.1M | 0.04% | +99,200 | New |
| Tributary Capital Management, LLC | 96,928 | $15.1M | 1.17% | −37,231−27.8% | Reduced |
| Walleye Trading LLC | 90,827 | $14.1M | 0.33% | +80,991+823.4% | Added |
| Artisan Partners Limited Partnership | 87,900 | $13.7M | 0.02% | +87,900 | New |
| First Trust Advisors LP | 85,388 | $13.3M | 0.01% | +7,202+9.2% | Added |
| Swiss National Bank | 80,133 | $12.5M | 0.01% | +2,600+3.4% | Added |
| ArrowMark Colorado Holdings LLC | 80,000 | $12.5M | 0.10% | −10,000−11.1% | Reduced |
| S Squared Technology, LLC | 79,551 | $12.4M | 5.62% | 00.0% | Unchanged |
| Crawford Lake Capital Management, LLC | 78,304 | $12.2M | 7.85% | +78,304 | New |
| California Public Employees Retirement System | 76,961 | $12.0M | 0.01% | +619+0.8% | Added |
| Parametric Portfolio Associates LLC | 71,520 | $11.1M | 0.01% | +33,200+86.6% | Added |
| Neuberger Berman Group LLC | 71,200 | $11.1M | 0.01% | +1,223+1.7% | Added |
| Shell Asset Management Co | 67,832 | $10.6M | 0.24% | −27,951−29.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 61,851 | $9.63M | 0.06% | −226,019−78.5% | Reduced |
| Silvercrest Asset Management Group LLC | 57,629 | $8.97M | 0.06% | −18,896−24.7% | Reduced |
| Potrero Capital Research LLC | 57,437 | $8.95M | 2.35% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 54,013 | $8.36M | 0.17% | +28,475+111.5% | Added |
| Ameriprise Financial Inc | 52,698 | $8.21M | 0.00% | −5,637−9.7% | Reduced |
| Credit Suisse AG | 49,251 | $7.67M | 0.01% | – | – |
| California State Teachers Retirement System | 48,566 | $7.56M | 0.01% | +405+0.8% | Added |
| Penserra Capital Management LLC | 48,113 | $7.49M | 0.16% | +7,173+17.5% | Added |
| SG Americas Securities, LLC | 47,831 | $7.45M | 0.04% | +19,081+66.4% | Added |
| Royal Bank of Canada | 47,687 | $7.43M | 0.00% | +13,696+40.3% | Added |
| Royce & Associates LP | 45,500 | $7.09M | 0.05% | −9,300−17.0% | Reduced |
| Wells Fargo & Company | 42,861 | $6.67M | 0.00% | +2,860+7.1% | Added |
| Natixis | 41,952 | $6.53M | 0.02% | −3,074−6.8% | Reduced |
| Susquehanna International Group, LLP | 41,324 | $6.44M | 0.01% | −1,788−4.1% | Reduced |
| Cubist Systematic Strategies, LLC | 40,915 | $6.37M | 0.08% | −1,947−4.5% | Reduced |
| Granahan Investment Management Inc | 39,748 | $6.19M | 0.12% | +39,748 | New |
| Man Group plc | 39,572 | $6.16M | 0.02% | −7,819−16.5% | Reduced |
| New York State Common Retirement Fund | 39,564 | $6.16M | 0.01% | +8,782+28.5% | Added |
| SWS Partners | 37,519 | $5.84M | 3.62% | +8,001+27.1% | Added |
| Point72 Asset Management, L.P. | 37,290 | $5.81M | 0.03% | +37,290 | New |
| Citadel Advisors LLC | 36,634 | $5.71M | 0.01% | −107,792−74.6% | Reduced |
| Rhumbline Advisers | 36,297 | $5.65M | 0.01% | +490+1.4% | Added |
| Rafferty Asset Management, LLC | 35,550 | $5.54M | 0.04% | −5,864−14.2% | Reduced |
| P.A.W. Capital Corp | 35,000 | $5.45M | 4.85% | −13,000−27.1% | Reduced |
| Lisanti Capital Growth, LLC | 34,915 | $5.44M | 0.80% | +34,915 | New |
| Raymond James Financial Services Advisors, Inc. | 34,445 | $5.36M | 0.01% | −10,633−23.6% | Reduced |
| Granite Investment Partners, LLC | 33,747 | $5.26M | 0.16% | −10,254−23.3% | Reduced |
| Parallax Volatility Advisers, L.P. | 33,503 | $5.22M | 0.06% | +33,503 | New |
| Russell Investments Group, Ltd. | 32,374 | $5.04M | 0.01% | −6,606−16.9% | Reduced |
| Oak Associates, Ltd | 32,110 | $5.00M | 0.28% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 31,669 | $4.93M | 0.00% | −3,549−10.1% | Reduced |