Mario Gabelli's DCI Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 274,351 shares of Donaldson Company, Inc. (DCI) worth $23.28 M, representing 0.23% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 52 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in DCI, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2024, adding 3,100 shares. Largest reduction occurred in Q1 2017, reducing 215,418 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Donaldson Company (DCI) Holding Value Over Time
Track share changes against reported price movement
Quarterly Donaldson Company (DCI) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -74,805 | Reduce 21.42% | 274,351 | $84.87 |
| Q4 2025 | -27,000 | Reduce 7.18% | 349,156 | $88.66 |
| Q3 2025 | -12,200 | Reduce 3.14% | 376,156 | $81.85 |
| Q2 2025 | -1,600 | Reduce 0.41% | 388,356 | $69.35 |
| Q1 2025 | +700 | Add 0.18% | 389,956 | $67.06 |
| Q4 2024 | -14,400 | Reduce 3.57% | 389,256 | $67.35 |
| Q3 2024 | -4,400 | Reduce 1.08% | 403,656 | $73.70 |
| Q2 2024 | -7,000 | Reduce 1.69% | 408,056 | $71.56 |
| Q1 2024 | +3,100 | Add 0.75% | 415,056 | $74.68 |
| Q4 2023 | -3,100 | Reduce 0.75% | 411,956 | $65.35 |
| Q3 2023 | -720 | Reduce 0.17% | 415,056 | $59.64 |
| Q2 2023 | -500 | Reduce 0.12% | 415,776 | $62.51 |
| Q1 2023 | -1,200 | Reduce 0.29% | 416,276 | $65.34 |
| Q4 2022 | -7,434 | Reduce 1.75% | 417,476 | $58.87 |
| Q3 2022 | -17,500 | Reduce 3.96% | 424,910 | $49.01 |
| Q2 2022 | -2,200 | Reduce 0.49% | 442,410 | $48.14 |
| Q1 2022 | -1,850 | Reduce 0.41% | 444,610 | $51.93 |
| Q4 2021 | -5,500 | Reduce 1.22% | 446,460 | $59.26 |
| Q3 2021 | -3,921 | Reduce 0.86% | 451,960 | $57.41 |
| Q2 2021 | -11,189 | Reduce 2.40% | 455,881 | $63.53 |
| Q1 2021 | -9,800 | Reduce 2.06% | 467,070 | $58.16 |
| Q4 2020 | -16,300 | Reduce 3.31% | 476,870 | $55.88 |
| Q3 2020 | -39,550 | Reduce 7.42% | 493,170 | $46.42 |
| Q2 2020 | -212,850 | Reduce 28.55% | 532,720 | $46.52 |
| Q1 2020 | -31,700 | Reduce 4.08% | 745,570 | $38.63 |
| Q4 2019 | -550 | Reduce 0.07% | 777,270 | $57.62 |
| Q3 2019 | -61,782 | Reduce 7.36% | 777,820 | $52.08 |
| Q2 2019 | -59,400 | Reduce 6.61% | 839,602 | $50.86 |
| Q1 2019 | -1,000 | Reduce 0.11% | 899,002 | $50.06 |
| Q4 2018 | -2,300 | Reduce 0.25% | 900,002 | $43.39 |
| Q3 2018 | -69,760 | Reduce 7.18% | 902,302 | $58.26 |
| Q2 2018 | -18,550 | Reduce 1.87% | 972,062 | $45.12 |
| Q1 2018 | -104,900 | Reduce 9.58% | 990,612 | $45.05 |
| Q4 2017 | -20,190 | Reduce 1.81% | 1.1 M | $48.95 |
| Q3 2017 | -45,950 | Reduce 3.96% | 1.12 M | $45.94 |
| Q2 2017 | -47,850 | Reduce 3.96% | 1.16 M | $45.54 |
| Q1 2017 | -215,418 | Reduce 15.12% | 1.21 M | $45.52 |
| Q4 2016 | -82,900 | Reduce 5.50% | 1.42 M | $42.08 |
| Q3 2016 | -18,800 | Reduce 1.23% | 1.51 M | $37.33 |
| Q2 2016 | -25,000 | Reduce 1.61% | 1.53 M | $34.36 |
| Q1 2016 | -30,000 | Reduce 1.90% | 1.55 M | $31.91 |
| Q4 2015 | -8,000 | Reduce 0.50% | 1.58 M | $28.66 |
| Q3 2015 | -140,700 | Reduce 8.13% | 1.59 M | $28.08 |
| Q2 2015 | -144,700 | Reduce 7.72% | 1.73 M | $35.80 |
| Q1 2015 | -43,800 | Reduce 2.28% | 1.88 M | $37.71 |
| Q4 2014 | -140,200 | Reduce 6.81% | 1.92 M | $38.63 |
| Q3 2014 | -23,900 | Reduce 1.15% | 2.06 M | $40.63 |
| Q2 2014 | -7,892 | Reduce 0.38% | 2.08 M | $42.32 |
| Q1 2014 | -5,800 | Reduce 0.28% | 2.09 M | $42.40 |
| Q4 2013 | -21,600 | Reduce 1.02% | 2.1 M | $43.46 |
| Q3 2013 | -31,300 | Reduce 1.46% | 2.12 M | $38.13 |
| Q2 2013 | +2.15 M | Add 0.00% | 2.15 M | $35.66 |
Mario Gabelli's Donaldson Company Investment FAQs
Mario Gabelli first purchased Donaldson Company, Inc. (DCI) in Q2 2013, acquiring 2,149,512 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 Donaldson Company, Inc. (DCI) for 52 quarters since Q2 2013.
Mario Gabelli's largest addition to Donaldson Company, Inc. (DCI) was in Q2 2013, adding 2,149,512 shares worth $76.65 M.
According to the latest 13F filing for Q1 2026, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 274,351 shares of Donaldson Company, Inc. (DCI), valued at approximately $23.28 M.
As of the Q1 2026 filing, Donaldson Company, Inc. (DCI) represents approximately 0.23% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Donaldson Company, Inc. (DCI) was 2,149,512 shares, as reported at the end of Q2 2013.