Mario Gabelli's AMBA Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 8,147 shares of Ambarella, Inc. (AMBA) worth $577,133, representing 0.01% of the portfolio. First purchased in 2019-Q1, this long-term strategic position has been held for 27 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in AMBA, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2023, adding 6,633 shares. Largest reduction occurred in Q4 2025, reducing 7,052 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Ambarella (AMBA) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ambarella (AMBA) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -7,052 | Reduce 46.40% | 8,147 | $70.84 |
| Q3 2025 | -977 | Reduce 6.04% | 15,199 | $82.52 |
| Q2 2025 | -2,172 | Reduce 11.84% | 16,176 | $66.06 |
| Q1 2025 | -153 | Reduce 0.83% | 18,348 | $50.33 |
| Q4 2024 | -377 | Reduce 2.00% | 18,501 | $72.74 |
| Q3 2024 | +6,587 | Add 53.59% | 18,878 | $56.41 |
| Q2 2024 | -1,722 | Reduce 12.29% | 12,291 | $53.95 |
| Q1 2024 | +3,777 | Add 36.90% | 14,013 | $50.77 |
| Q4 2023 | -626 | Reduce 5.76% | 10,236 | $61.29 |
| Q3 2023 | +6,633 | Add 156.85% | 10,862 | $53.03 |
| Q2 2023 | +760 | Add 21.91% | 4,229 | $83.67 |
| Q1 2023 | +30 | Add 0.87% | 3,469 | $77.42 |
| Q4 2022 | +3,439 | New Buy | 3,439 | $82.23 |
| Q2 2022 | -2,383 | Sold Out | 0 | $0.00 |
| Q1 2022 | +324 | Add 15.74% | 2,383 | $104.91 |
| Q4 2021 | -2,365 | Reduce 53.46% | 2,059 | $203.01 |
| Q3 2021 | -343 | Reduce 7.20% | 4,424 | $155.74 |
| Q2 2021 | +17 | Add 0.36% | 4,767 | $106.57 |
| Q1 2021 | -1,804 | Reduce 27.53% | 4,750 | $100.42 |
| Q4 2020 | -231 | Reduce 3.40% | 6,554 | $91.85 |
| Q3 2020 | +187 | Add 2.83% | 6,785 | $52.17 |
| Q2 2020 | -449 | Reduce 6.37% | 6,598 | $45.77 |
| Q1 2020 | +345 | Add 5.15% | 7,047 | $48.53 |
| Q4 2019 | +874 | Add 15.00% | 6,702 | $60.58 |
| Q3 2019 | +5,828 | New Buy | 5,828 | $62.80 |
| Q2 2019 | -5,648 | Sold Out | 0 | $0.00 |
| Q1 2019 | +5,648 | New Buy | 5,648 | $43.20 |
Mario Gabelli's Ambarella Investment FAQs
Mario Gabelli first purchased Ambarella, Inc. (AMBA) in Q1 2019, acquiring 5,648 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Ambarella, Inc. (AMBA) for 27 quarters since Q1 2019.
Mario Gabelli's largest addition to Ambarella, Inc. (AMBA) was in Q3 2023, adding 10,862 shares worth $576,012.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 8,147 shares of Ambarella, Inc. (AMBA), valued at approximately $577,133.
As of the Q4 2025 filing, Ambarella, Inc. (AMBA) represents approximately 0.01% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Ambarella, Inc. (AMBA) was 18,878 shares, as reported at the end of Q3 2024.