Mario Gabelli's ATEN Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 42.0K shares of A10 Networks, Inc. (ATEN) worth $762,300, representing 0.01% of the portfolio. First purchased in 2020-Q1, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in ATEN, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2020, adding 51.5K shares. Largest reduction occurred in Q3 2021, reducing 17.0K shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's A10 Networks (ATEN) Holding Value Over Time
Track share changes against reported price movement
Quarterly A10 Networks (ATEN) Trades by Mario Gabelli
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2020 | +27,000 | New Buy | 27,000 | $6.22 |
| Q2 2020 | +51,507 | Add 190.77% | 78,507 | $6.81 |
| Q4 2020 | -5,000 | Reduce 6.37% | 73,507 | $9.86 |
| Q1 2021 | -1,000 | Reduce 1.36% | 72,507 | $9.61 |
| Q2 2021 | -3,000 | Reduce 4.14% | 69,507 | $11.27 |
| Q3 2021 | -17,007 | Reduce 24.47% | 52,500 | $13.49 |
| Q1 2022 | -500 | Reduce 0.95% | 52,000 | $13.94 |
| Q2 2022 | -3,100 | Reduce 5.96% | 48,900 | $14.38 |
| Q4 2022 | -1,400 | Reduce 2.86% | 47,500 | $16.63 |
| Q1 2023 | -500 | Reduce 1.05% | 47,000 | $15.49 |
| Q4 2023 | -3,000 | Reduce 6.38% | 44,000 | $13.17 |
| Q3 2025 | -2,000 | Reduce 4.55% | 42,000 | $18.15 |
Mario Gabelli's A10 Networks Investment FAQs
Mario Gabelli first purchased A10 Networks, Inc. (ATEN) in Q1 2020, acquiring 27,000 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 A10 Networks, Inc. (ATEN) for 23 quarters since Q1 2020. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's largest addition to A10 Networks, Inc. (ATEN) was in Q2 2020, adding 78,507 shares worth $535,000. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 42,000 shares of A10 Networks, Inc. (ATEN), valued at approximately $762,300. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, A10 Networks, Inc. (ATEN) represents approximately 0.01% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's peak holding in A10 Networks, Inc. (ATEN) was 78,507 shares, as reported at the end of Q2 2020. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.