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 8 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
- +24 vs. Q2 2021
- Shares held
- 28.5M
- +1.14M (+4.2%) vs. Q2 2021
- Total value
- $4.44B
- +$1.52B (+51.9%) vs. Q2 2021
- New holders
- 53
- 72 more added
- Sold out
- 29
- 121 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 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
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 |
|---|---|---|---|---|---|
| Wells Fargo & Company | 42,861 | $6.67M | 0.00% | +2,860+7.1% | Added |
| Royce & Associates LP | 45,500 | $7.09M | 0.05% | −9,300−17.0% | Reduced |
| Royal Bank of Canada | 47,687 | $7.43M | 0.00% | +13,696+40.3% | Added |
| SG Americas Securities, LLC | 47,831 | $7.45M | 0.04% | +19,081+66.4% | Added |
| Penserra Capital Management LLC | 48,113 | $7.49M | 0.16% | +7,173+17.5% | Added |
| California State Teachers Retirement System | 48,566 | $7.56M | 0.01% | +405+0.8% | Added |
| Credit Suisse AG | 49,251 | $7.67M | 0.01% | – | – |
| Ameriprise Financial Inc | 52,698 | $8.21M | 0.00% | −5,637−9.7% | Reduced |
| Wolverine Trading, LLC | 54,013 | $8.36M | 0.17% | +28,475+111.5% | Added |
| Potrero Capital Research LLC | 57,437 | $8.95M | 2.35% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 57,629 | $8.97M | 0.06% | −18,896−24.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 61,851 | $9.63M | 0.06% | −226,019−78.5% | Reduced |
| Shell Asset Management Co | 67,832 | $10.6M | 0.24% | −27,951−29.2% | Reduced |
| Neuberger Berman Group LLC | 71,200 | $11.1M | 0.01% | +1,223+1.7% | Added |
| Parametric Portfolio Associates LLC | 71,520 | $11.1M | 0.01% | +33,200+86.6% | Added |
| California Public Employees Retirement System | 76,961 | $12.0M | 0.01% | +619+0.8% | Added |
| Crawford Lake Capital Management, LLC | 78,304 | $12.2M | 7.85% | +78,304 | New |
| S Squared Technology, LLC | 79,551 | $12.4M | 5.62% | 00.0% | Unchanged |
| ArrowMark Colorado Holdings LLC | 80,000 | $12.5M | 0.10% | −10,000−11.1% | Reduced |
| Swiss National Bank | 80,133 | $12.5M | 0.01% | +2,600+3.4% | Added |
| First Trust Advisors LP | 85,388 | $13.3M | 0.01% | +7,202+9.2% | Added |
| Artisan Partners Limited Partnership | 87,900 | $13.7M | 0.02% | +87,900 | New |
| Walleye Trading LLC | 90,827 | $14.1M | 0.33% | +80,991+823.4% | Added |
| Tributary Capital Management, LLC | 96,928 | $15.1M | 1.17% | −37,231−27.8% | Reduced |
| DekaBank Deutsche Girozentrale | 99,200 | $15.1M | 0.04% | +99,200 | New |
| State of Wisconsin Investment Board | 99,200 | $15.4M | 0.03% | −600−0.6% | Reduced |
| Scout Investments, Inc. | 103,874 | $16.2M | 0.24% | −1,152−1.1% | Reduced |
| Victory Capital Management Inc | 105,727 | $16.5M | 0.02% | −5,664−5.1% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 105,809 | $16.5M | 0.11% | −2,573−2.4% | Reduced |
| Maplelane Capital, LLC | 109,000 | $17.0M | 1.20% | +16,000+17.2% | Added |
| Marshall Wace North America L.P. | 110,576 | $17.2M | 0.07% | −107,886−49.4% | Reduced |
| Federated Hermes, Inc. | 112,725 | $17.6M | 0.03% | −34,822−23.6% | Reduced |
| G2 Investment Partners Management LLC | 115,000 | $17.9M | 3.11% | +22,000+23.7% | Added |
| KBC Group NV | 115,768 | $18.0M | 0.07% | −8,530−6.9% | Reduced |
| Polar Asset Management Partners Inc. | 116,665 | $18.2M | 0.21% | −84,700−42.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 127,263 | $19.8M | 0.10% | −23,406−15.5% | Reduced |
| Voloridge Investment Management, LLC | 130,542 | $20.3M | 0.13% | +3,050+2.4% | Added |
| Legal & General Group Plc | 144,870 | $22.6M | 0.01% | −32,554−18.3% | Reduced |
| Balyasny Asset Management LLC | 150,873 | $23.5M | 0.11% | +150,873 | New |
| Vident Investment Advisory, LLC | 167,000 | $26.0M | 0.79% | −49,594−22.9% | Reduced |
| Bank of America Corp | 174,792 | $27.2M | 0.00% | −25,622−12.8% | Reduced |
| Primecap Management Co | 174,900 | $27.2M | 0.02% | −143,300−45.0% | Reduced |
| Deutsche Bank AG | 179,056 | $27.9M | 0.01% | +22,888+14.7% | Added |
| Nuveen Asset Management, LLC | 186,387 | $28.0M | 0.01% | −1,639−0.9% | Reduced |
| AO Asset Management, LP | 190,600 | $29.7M | 2.18% | +32,700+20.7% | Added |
| Candriam Luxembourg S.C.A. | 196,587 | $30.6M | 0.21% | −661−0.3% | Reduced |
| Bank of New York Mellon Corp | 205,299 | $32.0M | 0.01% | +73,218+55.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 207,804 | $32.4M | 0.08% | +35,589+20.7% | Added |
| FMR LLC | 210,696 | $32.8M | 0.00% | +41,656+24.6% | Added |
| Shannon River Fund Management LLC | 212,557 | $33.1M | 2.91% | −54,926−20.5% | Reduced |
| KCL Capital, L.P. | 215,500 | $33.6M | 5.06% | −109,500−33.7% | Reduced |
| Goldman Sachs Group Inc | 218,499 | $34.0M | 0.01% | −97,927−30.9% | Reduced |
| D. E. Shaw & Co., Inc. | 223,493 | $34.8M | 0.04% | +68,191+43.9% | Added |
| Principal Financial Group Inc | 234,342 | $36.5M | 0.02% | −130,795−35.8% | Reduced |
| Two Sigma Advisers, LP | 236,900 | $36.9M | 0.10% | −66,300−21.9% | Reduced |
| Charles Schwab Investment Management Inc | 274,815 | $42.8M | 0.01% | −1,478−0.5% | Reduced |
| Renaissance Technologies LLC | 300,000 | $46.7M | 0.06% | −208,033−40.9% | Reduced |
| Two Sigma Investments, LP | 341,783 | $53.2M | 0.14% | +79,790+30.5% | Added |
| Norges Bank | 344,447 | $53.6M | 0.01% | 00.0% | Unchanged |
| Newbrook Capital Advisors LP | 348,973 | $54.3M | 3.96% | −58,011−14.3% | Reduced |
| Polar Capital Holdings Plc | 357,728 | $55.7M | 0.31% | +357,728 | New |
| Allianz Asset Management GmbH | 368,844 | $57.4M | 0.05% | +1,744+0.5% | Added |
| Northern Trust Corp | 378,363 | $58.9M | 0.01% | −16,358−4.1% | Reduced |
| Eaton Vance Management | 403,003 | $62.8M | 0.09% | +22,964+6.0% | Added |
| Lord, Abbett & Co. LLC | 407,915 | $63.5M | 0.15% | +407,915 | New |
| Holocene Advisors, LP | 420,712 | $65.5M | 0.38% | +420,712 | New |
| Pinnacle Associates Ltd | 424,104 | $66.0M | 1.22% | −78,477−15.6% | Reduced |
| Janus Henderson Group PLC | 462,116 | $72.0M | 0.03% | −105,302−18.6% | Reduced |
| AXA S.A. | 480,061 | $74.8M | 0.21% | −21,462−4.3% | Reduced |
| Morgan Stanley | 497,591 | $77.5M | 0.01% | −192,713−27.9% | Reduced |
| Baillie Gifford & Co | 570,719 | $88.9M | 0.05% | −4,516−0.8% | Reduced |
| Driehaus Capital Management LLC | 577,341 | $89.9M | 1.07% | +357,013+162.0% | Added |
| Geode Capital Management, LLC | 623,581 | $97.1M | 0.01% | −11,289−1.8% | Reduced |
| Dimensional Fund Advisors LP | 636,289 | $99.1M | 0.03% | −2,959−0.5% | Reduced |
| JPMorgan Chase & Co | 675,024 | $105.1M | 0.01% | −39,502−5.5% | Reduced |
| State Street Corp | 1,056,036 | $164.5M | 0.01% | −17,496−1.6% | Reduced |
| Macquarie Group Ltd | 1,077,447 | $167.8M | 0.14% | +536,743+99.3% | Added |
| Alliancebernstein L.P. | 1,090,661 | $169.9M | 0.07% | +204,441+23.1% | Added |
| Invesco Ltd. | 1,197,600 | $186.5M | 0.05% | +122,339+11.4% | Added |
| BlackRock Inc. | 3,326,258 | $518.0M | 0.01% | +183,482+5.8% | Added |
| Vanguard Group Inc | 3,380,511 | $526.5M | 0.01% | +32,700+1.0% | Added |
| Marshall Wace Asia Ltd | 0 | $0 | 0.00% | −150,690−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −121,904−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −46,136−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −41,574−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −39,284−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −35,892−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −24,395−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −23,270−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −16,067−100.0% | Sold out |
| CloudAlpha Capital Management Limited/Hong Kong | 0 | $0 | 0.00% | −15,008−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −11,204−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −9,107−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −7,779−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −4,977−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −4,927−100.0% | Sold out |
| PVG Asset Management Corp | 0 | $0 | 0.00% | −4,134−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −3,172−100.0% | Sold out |
| Symmetry Peak Management LLC | 0 | $0 | 0.00% | −3,077−100.0% | Sold out |