Mario Gabelli's IEX Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 170,799 shares of IDEX Corporation (IEX) worth $30.39 M, representing 0.29% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in IEX, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2014, adding 988 shares. Largest reduction occurred in Q3 2016, reducing 103,550 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's IDEX Corporation (IEX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IDEX Corporation (IEX) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -3,600 | Reduce 2.06% | 170,799 | $177.94 |
| Q3 2025 | -750 | Reduce 0.43% | 174,399 | $162.76 |
| Q2 2025 | -742 | Reduce 0.42% | 175,149 | $175.57 |
| Q1 2025 | -2,085 | Reduce 1.17% | 175,891 | $180.97 |
| Q4 2024 | -1,525 | Reduce 0.85% | 177,976 | $209.29 |
| Q3 2024 | -2,117 | Reduce 1.17% | 179,501 | $214.50 |
| Q2 2024 | -6,950 | Reduce 3.69% | 181,618 | $201.20 |
| Q1 2024 | -3,360 | Reduce 1.75% | 188,568 | $244.02 |
| Q4 2023 | -5,600 | Reduce 2.84% | 191,928 | $217.11 |
| Q3 2023 | -3,990 | Reduce 1.98% | 197,528 | $208.02 |
| Q2 2023 | -7,100 | Reduce 3.40% | 201,518 | $215.26 |
| Q1 2023 | -2,100 | Reduce 1.00% | 208,618 | $231.03 |
| Q4 2022 | -4,950 | Reduce 2.30% | 210,718 | $228.33 |
| Q3 2022 | -6,765 | Reduce 3.04% | 215,668 | $199.85 |
| Q2 2022 | -2,250 | Reduce 1.00% | 222,433 | $181.63 |
| Q1 2022 | -4,484 | Reduce 1.96% | 224,683 | $191.73 |
| Q4 2021 | -5,275 | Reduce 2.25% | 229,167 | $236.32 |
| Q3 2021 | -4,505 | Reduce 1.89% | 234,442 | $206.95 |
| Q2 2021 | -8,550 | Reduce 3.45% | 238,947 | $220.05 |
| Q1 2021 | -10,595 | Reduce 4.11% | 247,497 | $209.32 |
| Q4 2020 | -16,825 | Reduce 6.12% | 258,092 | $199.20 |
| Q3 2020 | -29,950 | Reduce 9.82% | 274,917 | $182.41 |
| Q2 2020 | -35,050 | Reduce 10.31% | 304,867 | $158.04 |
| Q1 2020 | -16,158 | Reduce 4.54% | 339,917 | $138.11 |
| Q4 2019 | -5,916 | Reduce 1.63% | 356,075 | $172.00 |
| Q3 2019 | -54,450 | Reduce 13.08% | 361,991 | $163.88 |
| Q2 2019 | -25,147 | Reduce 5.69% | 416,441 | $172.14 |
| Q1 2019 | -8,525 | Reduce 1.89% | 441,588 | $151.74 |
| Q4 2018 | -13,350 | Reduce 2.88% | 450,113 | $126.26 |
| Q3 2018 | -35,587 | Reduce 7.13% | 463,463 | $150.66 |
| Q2 2018 | -20,025 | Reduce 3.86% | 499,050 | $136.48 |
| Q1 2018 | -39,163 | Reduce 7.02% | 519,075 | $142.51 |
| Q4 2017 | -12,404 | Reduce 2.17% | 558,238 | $131.97 |
| Q3 2017 | -11,778 | Reduce 2.02% | 570,642 | $121.47 |
| Q2 2017 | -20,196 | Reduce 3.35% | 582,420 | $113.01 |
| Q1 2017 | -60,976 | Reduce 9.19% | 602,616 | $93.51 |
| Q4 2016 | -59,680 | Reduce 8.25% | 663,592 | $90.06 |
| Q3 2016 | -103,550 | Reduce 12.52% | 723,272 | $93.57 |
| Q2 2016 | -58,416 | Reduce 6.60% | 826,822 | $82.10 |
| Q1 2016 | -50,262 | Reduce 5.37% | 885,238 | $82.88 |
| Q4 2015 | -68,794 | Reduce 6.85% | 935,500 | $76.61 |
| Q3 2015 | -95,854 | Reduce 8.71% | 1 M | $71.30 |
| Q2 2015 | -22,375 | Reduce 1.99% | 1.1 M | $78.58 |
| Q1 2015 | -14,414 | Reduce 1.27% | 1.12 M | $75.83 |
| Q4 2014 | -44,010 | Reduce 3.73% | 1.14 M | $77.84 |
| Q3 2014 | -15,217 | Reduce 1.27% | 1.18 M | $72.37 |
| Q2 2014 | +988 | Add 0.08% | 1.2 M | $80.74 |
| Q1 2014 | -21,780 | Reduce 1.79% | 1.2 M | $72.89 |
| Q4 2013 | -70,078 | Reduce 5.44% | 1.22 M | $73.85 |
| Q3 2013 | -68,750 | Reduce 5.07% | 1.29 M | $65.25 |
| Q2 2013 | +1.36 M | Add 0.00% | 1.36 M | $53.81 |
Mario Gabelli's IDEX Corporation Investment FAQs
Mario Gabelli first purchased IDEX Corporation (IEX) in Q2 2013, acquiring 1,355,784 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 IDEX Corporation (IEX) for 51 quarters since Q2 2013.
Mario Gabelli's largest addition to IDEX Corporation (IEX) was in Q2 2013, adding 1,355,784 shares worth $72.96 M.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 170,799 shares of IDEX Corporation (IEX), valued at approximately $30.39 M.
As of the Q4 2025 filing, IDEX Corporation (IEX) represents approximately 0.29% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in IDEX Corporation (IEX) was 1,355,784 shares, as reported at the end of Q2 2013.