Mario Gabelli's MTRN Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 191,240 shares of Materion Corporation (MTRN) worth $27.66 M, representing 0.27% 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 MTRN, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2016, adding 35,200 shares. Largest reduction occurred in Q2 2015, reducing 166,200 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Materion Corporation (MTRN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Materion Corporation (MTRN) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -4,710 | Reduce 2.40% | 191,240 | $144.65 |
| Q4 2025 | +800 | Add 0.41% | 195,950 | $124.32 |
| Q3 2025 | +8,000 | Add 4.27% | 195,150 | $120.81 |
| Q2 2025 | -600 | Reduce 0.32% | 187,150 | $79.37 |
| Q1 2025 | -3,000 | Reduce 1.57% | 187,750 | $81.60 |
| Q4 2024 | -3,500 | Reduce 1.80% | 190,750 | $98.88 |
| Q3 2024 | -11,100 | Reduce 5.41% | 194,250 | $111.86 |
| Q2 2024 | -3,700 | Reduce 1.77% | 205,350 | $108.13 |
| Q1 2024 | -23,200 | Reduce 9.99% | 209,050 | $131.75 |
| Q4 2023 | -9,100 | Reduce 3.77% | 232,250 | $130.13 |
| Q3 2023 | -8,400 | Reduce 3.36% | 241,350 | $101.91 |
| Q2 2023 | -12,800 | Reduce 4.88% | 249,750 | $114.20 |
| Q1 2023 | -18,500 | Reduce 6.58% | 262,550 | $116.00 |
| Q4 2022 | -600 | Reduce 0.21% | 281,050 | $87.51 |
| Q3 2022 | -500 | Reduce 0.18% | 281,650 | $80.00 |
| Q2 2022 | -350 | Reduce 0.12% | 282,150 | $73.73 |
| Q4 2021 | -6,004 | Reduce 2.08% | 282,500 | $91.94 |
| Q3 2021 | -425 | Reduce 0.15% | 288,504 | $68.64 |
| Q2 2021 | -22,300 | Reduce 7.17% | 288,929 | $75.35 |
| Q1 2021 | -38,000 | Reduce 10.88% | 311,229 | $66.24 |
| Q4 2020 | -900 | Reduce 0.26% | 349,229 | $63.72 |
| Q3 2020 | -5,475 | Reduce 1.54% | 350,129 | $52.03 |
| Q2 2020 | +7,200 | Add 2.07% | 355,604 | $61.49 |
| Q1 2020 | -10,300 | Reduce 2.87% | 348,404 | $35.01 |
| Q4 2019 | -38,000 | Reduce 9.58% | 358,704 | $59.45 |
| Q3 2019 | -66,100 | Reduce 14.28% | 396,704 | $61.36 |
| Q2 2019 | -105,200 | Reduce 18.52% | 462,804 | $67.81 |
| Q1 2019 | -47,696 | Reduce 7.75% | 568,004 | $57.06 |
| Q4 2018 | +1,100 | Add 0.18% | 615,700 | $44.99 |
| Q3 2018 | -15,500 | Reduce 2.46% | 614,600 | $60.50 |
| Q2 2018 | -22,200 | Reduce 3.40% | 630,100 | $54.15 |
| Q1 2018 | -19,200 | Reduce 2.86% | 652,300 | $51.05 |
| Q4 2017 | -97,200 | Reduce 12.64% | 671,500 | $48.60 |
| Q3 2017 | -13,500 | Reduce 1.73% | 768,700 | $43.15 |
| Q2 2017 | -7,200 | Reduce 0.91% | 782,200 | $37.40 |
| Q1 2017 | -18,100 | Reduce 2.24% | 789,400 | $33.55 |
| Q4 2016 | -3,800 | Reduce 0.47% | 807,500 | $39.60 |
| Q3 2016 | -2,600 | Reduce 0.32% | 811,300 | $30.71 |
| Q2 2016 | +35,200 | Add 4.52% | 813,900 | $24.76 |
| Q1 2016 | -29,800 | Reduce 3.69% | 778,700 | $26.48 |
| Q4 2015 | -18,600 | Reduce 2.25% | 808,500 | $28.00 |
| Q3 2015 | -64,300 | Reduce 7.21% | 827,100 | $30.02 |
| Q2 2015 | -166,200 | Reduce 15.71% | 891,400 | $35.25 |
| Q1 2015 | -6,500 | Reduce 0.61% | 1.06 M | $38.43 |
| Q4 2014 | -104,300 | Reduce 8.93% | 1.06 M | $35.23 |
| Q3 2014 | +11,700 | Add 1.01% | 1.17 M | $30.67 |
| Q2 2014 | -14,500 | Reduce 1.24% | 1.16 M | $36.99 |
| Q1 2014 | +5,400 | Add 0.46% | 1.17 M | $33.93 |
| Q4 2013 | -34,100 | Reduce 2.84% | 1.17 M | $30.85 |
| Q3 2013 | -45,600 | Reduce 3.66% | 1.2 M | $32.06 |
| Q2 2013 | +1.25 M | Add 0.00% | 1.25 M | $27.09 |
Mario Gabelli's Materion Corporation Investment FAQs
Mario Gabelli first purchased Materion Corporation (MTRN) in Q2 2013, acquiring 1,245,500 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 Materion Corporation (MTRN) for 52 quarters since Q2 2013.
Mario Gabelli's largest addition to Materion Corporation (MTRN) was in Q2 2013, adding 1,245,500 shares worth $33.74 M.
According to the latest 13F filing for Q1 2026, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 191,240 shares of Materion Corporation (MTRN), valued at approximately $27.66 M.
As of the Q1 2026 filing, Materion Corporation (MTRN) represents approximately 0.27% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Materion Corporation (MTRN) was 1,245,500 shares, as reported at the end of Q2 2013.