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, Q4 2021
Institutional positions in Ambarella Inc as of Dec 31, 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
- 328
- +52 vs. Q3 2021
- Shares held
- 28.2M
- −174.4K (−0.6%) vs. Q3 2021
- Total value
- $5.72B
- +$1.30B (+29.4%) vs. Q3 2021
- New holders
- 82
- 95 more added
- Sold out
- 30
- 126 more reduced
5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 251,200 | $51.0M | 0.06% | −48,800−16.3% | Reduced |
| D. E. Shaw & Co., Inc. | 252,984 | $51.3M | 0.06% | +29,491+13.2% | Added |
| Charles Schwab Investment Management Inc | 278,177 | $56.4M | 0.02% | +3,362+1.2% | Added |
| Nuveen Asset Management, LLC | 291,313 | $57.3M | 0.02% | +104,926+56.3% | Added |
| Janus Henderson Group PLC | 288,807 | $58.5M | 0.02% | −173,309−37.5% | Reduced |
| KCL Capital, L.P. | 300,000 | $60.9M | 8.36% | +84,500+39.2% | Added |
| Marshall Wace, LLP | 309,665 | $62.8M | 0.13% | +306,894+11,075.2% | Added |
| Newbrook Capital Advisors LP | 339,253 | $68.8M | 5.46% | −9,720−2.8% | Reduced |
| Pinnacle Associates Ltd | 353,912 | $71.8M | 1.24% | −70,192−16.6% | Reduced |
| Allianz Asset Management GmbH | 370,984 | $75.3M | 0.05% | +2,140+0.6% | Added |
| Morgan Stanley | 380,160 | $77.1M | 0.01% | −117,431−23.6% | Reduced |
| Northern Trust Corp | 380,482 | $77.2M | 0.01% | +2,119+0.6% | Added |
| Eaton Vance Management | 413,931 | $84.0M | 0.10% | +10,928+2.7% | Added |
| Norges Bank | 418,659 | $84.9M | 0.02% | +74,212+21.5% | Added |
| AXA S.A. | 434,776 | $88.2M | 0.23% | −45,285−9.4% | Reduced |
| Polar Capital Holdings Plc | 456,514 | $92.6M | 0.48% | +98,786+27.6% | Added |
| Lord, Abbett & Co. LLC | 495,172 | $100.5M | 0.23% | +87,257+21.4% | Added |
| Baillie Gifford & Co | 569,144 | $115.5M | 0.06% | −1,575−0.3% | Reduced |
| JPMorgan Chase & Co | 580,037 | $117.7M | 0.01% | −94,987−14.1% | Reduced |
| Driehaus Capital Management LLC | 587,594 | $119.2M | 1.22% | +10,253+1.8% | Added |
| Dimensional Fund Advisors LP | 589,755 | $119.7M | 0.04% | −46,534−7.3% | Reduced |
| Geode Capital Management, LLC | 627,815 | $127.4M | 0.02% | +4,234+0.7% | Added |
| Alliancebernstein L.P. | 912,521 | $185.1M | 0.07% | −178,140−16.3% | Reduced |
| State Street Corp | 987,653 | $200.4M | 0.01% | −68,383−6.5% | Reduced |
| Macquarie Group Ltd | 1,062,103 | $215.5M | 0.18% | −15,344−1.4% | Reduced |
| Invesco Ltd. | 1,256,761 | $255.0M | 0.06% | +59,161+4.9% | Added |
| Vanguard Group Inc | 3,458,435 | $701.7M | 0.02% | +77,924+2.3% | Added |
| BlackRock Inc. | 3,505,323 | $711.2M | 0.02% | +179,065+5.4% | Added |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −341,783−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| McDonald Partners LLC | 0 | $0 | 0.00% | −20,246−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −16,823−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −15,950−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −13,300−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −7,679−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −6,942−100.0% | Sold out |
| Glaxis Capital Management, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −4,616−100.0% | Sold out |
| M&G Investment Management Ltd | 0 | $0 | 0.00% | −2,711−100.0% | Sold out |
| Formidable Asset Management, LLC | 0 | $0 | 0.00% | −2,220−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −1,930−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −1,650−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −1,503−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,469−100.0% | Sold out |
| WealthShield Partners, LLC | 0 | $0 | 0.00% | −1,440−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −1,322−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −1,198−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −258−100.0% | Sold out |
| Liberty Wealth Management LLC | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Meridian Wealth Partners, LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Gerber Kawasaki Wealth & Investment Management | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| RPG Investment Advisory, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |
| Heritage Wealth Management, LLC | – | – | – | – | Not filed |
| Security National Trust Co | – | – | – | – | Not filed |
| Sonora Investment Management, LLC | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |