Renaissance Technologies (RenTech)'s AMBA Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 199,400 shares of Ambarella, Inc. (AMBA) worth $10.26 M, representing 0.02% of the portfolio. First purchased in 2015-Q3, this long-term strategic position has been held for 36 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in AMBA, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2020, adding 412,100 shares. Largest reduction occurred in Q3 2020, reducing 375,000 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Ambarella (AMBA) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ambarella (AMBA) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +199,400 | New Buy | 199,400 | $51.48 |
| Q4 2025 | -242,600 | Sold Out | 0 | $0.00 |
| Q3 2025 | -108,249 | Reduce 30.85% | 242,600 | $82.52 |
| Q2 2025 | -6,851 | Reduce 1.92% | 350,849 | $66.06 |
| Q1 2025 | +314,700 | Add 731.86% | 357,700 | $50.33 |
| Q4 2024 | +43,000 | New Buy | 43,000 | $72.74 |
| Q4 2023 | -100,300 | Sold Out | 0 | $0.00 |
| Q3 2023 | +59,500 | Add 145.83% | 100,300 | $53.03 |
| Q2 2023 | +14,300 | Add 53.96% | 40,800 | $0.08 |
| Q1 2023 | +26,500 | New Buy | 26,500 | $0.08 |
| Q4 2022 | -318,478 | Sold Out | 0 | $0.00 |
| Q3 2022 | -161,622 | Reduce 33.66% | 318,478 | $56.18 |
| Q2 2022 | -91,000 | Reduce 15.93% | 480,100 | $65.46 |
| Q1 2022 | +319,900 | Add 127.35% | 571,100 | $104.92 |
| Q4 2021 | -48,800 | Reduce 16.27% | 251,200 | $202.89 |
| Q3 2021 | -208,033 | Reduce 40.95% | 300,000 | $155.74 |
| Q2 2021 | -41,100 | Reduce 7.48% | 508,033 | $106.63 |
| Q1 2021 | -292,000 | Reduce 34.72% | 549,133 | $100.39 |
| Q4 2020 | -360,500 | Reduce 30.00% | 841,133 | $91.82 |
| Q3 2020 | -375,000 | Reduce 23.78% | 1.2 M | $52.18 |
| Q2 2020 | +79,900 | Add 5.34% | 1.58 M | $45.80 |
| Q1 2020 | +412,100 | Add 37.99% | 1.5 M | $48.56 |
| Q4 2019 | +297,407 | Add 37.78% | 1.08 M | $60.56 |
| Q3 2019 | +407,226 | Add 107.16% | 787,226 | $62.83 |
| Q2 2019 | +116,600 | Add 44.27% | 380,000 | $44.13 |
| Q1 2019 | +263,400 | New Buy | 263,400 | $43.20 |
| Q2 2018 | -282,700 | Sold Out | 0 | $0.00 |
| Q1 2018 | +226,600 | Add 403.92% | 282,700 | $48.99 |
| Q4 2017 | +56,100 | New Buy | 56,100 | $58.75 |
| Q3 2017 | -23,200 | Sold Out | 0 | $0.00 |
| Q2 2017 | -70,300 | Reduce 75.19% | 23,200 | $48.53 |
| Q1 2017 | +93,500 | New Buy | 93,500 | $54.71 |
| Q2 2016 | -237,000 | Sold Out | 0 | $0.00 |
| Q1 2016 | +108,550 | Add 84.51% | 237,000 | $44.70 |
| Q4 2015 | -83,150 | Reduce 39.30% | 128,450 | $55.74 |
| Q3 2015 | +211,600 | New Buy | 211,600 | $57.79 |
Renaissance Technologies (RenTech)'s Ambarella Investment FAQs
Renaissance Technologies (RenTech) first purchased Ambarella, Inc. (AMBA) in Q3 2015, acquiring 211,600 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Ambarella, Inc. (AMBA) for 36 quarters since Q3 2015.
Renaissance Technologies (RenTech)'s largest addition to Ambarella, Inc. (AMBA) was in Q1 2020, adding 1,496,733 shares worth $72.68 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 199,400 shares of Ambarella, Inc. (AMBA), valued at approximately $10.26 M.
As of the Q1 2026 filing, Ambarella, Inc. (AMBA) represents approximately 0.02% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Ambarella, Inc. (AMBA) was 1,576,633 shares, as reported at the end of Q2 2020.