Heartland Advisors’s Materion MTRN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $6.99M | Sell |
48,352
-2,507
| -5% | -$365K | 0.36% | 112 |
|
|
2025
Q4 | $6.32M | Sell |
50,859
-29,581
| -37% | -$3.65M | 0.34% | 119 |
|
|
2025
Q3 | $9.72M | Sell |
80,440
-10,403
| -11% | -$1.09M | 0.51% | 78 |
|
|
2025
Q2 | $7.21M | Sell |
90,843
-228
| -0.3% | -$18K | 0.4% | 101 |
|
|
2025
Q1 | $7.43M | Hold |
91,071
| – | – | 0.43% | 99 |
|
|
2024
Q4 | $9.01M | Hold |
91,071
| – | – | 0.49% | 84 |
|
|
2024
Q3 | $10.2M | Buy |
91,071
+43,014
| +90% | +$4.78M | 0.53% | 73 |
|
|
2024
Q2 | $5.2M | Buy |
+48,057
| New | +$5.52M | 0.29% | 125 |
|
|
2023
Q1 | – | Sell |
-76,622
| Closed | -$6.71M | – | 186 |
|
|
2022
Q4 | $6.71M | Sell |
76,622
-26,309
| -26% | -$2.15M | 0.42% | 103 |
|
|
2022
Q3 | $8.23M | Sell |
102,931
-25,360
| -20% | -$2.09M | 0.62% | 69 |
|
|
2022
Q2 | $9.46M | Sell |
128,291
-15,474
| -11% | -$1.24M | 0.66% | 56 |
|
|
2022
Q1 | $12.3M | Sell |
143,765
-4,894
| -3% | -$418K | 0.76% | 40 |
|
|
2021
Q4 | $13.7M | Sell |
148,659
-10,177
| -6% | -$848K | 0.8% | 31 |
|
|
2021
Q3 | $10.9M | Buy |
158,836
+16,835
| +12% | +$1.2M | 0.66% | 50 |
|
|
2021
Q2 | $10.7M | Buy |
142,001
+13,763
| +11% | +$1.02M | 0.62% | 56 |
|
|
2021
Q1 | $8.49M | Buy |
128,238
+9,824
| +8% | +$682K | 0.54% | 72 |
|
|
2020
Q4 | $7.54M | Buy |
118,414
+31,051
| +36% | +$1.79M | 0.54% | 72 |
|
|
2020
Q3 | $4.54M | Buy |
87,363
+30,692
| +54% | +$1.74M | 0.4% | 111 |
|
|
2020
Q2 | $3.48M | Buy |
+56,671
| New | +$2.87M | 0.31% | 128 |
|
|
2017
Q1 | – | Sell |
-231,802
| Closed | -$9.18M | – | 210 |
|
|
2016
Q4 | $9.18M | Sell |
231,802
-88,633
| -28% | -$3.12M | 0.51% | 89 |
|
|
2016
Q3 | $9.84M | Sell |
320,435
-371,150
| -54% | -$10.4M | 0.56% | 73 |
|
|
2016
Q2 | $17.1M | Sell |
691,585
-299,316
| -30% | -$7.68M | 0.96% | 21 |
|
|
2016
Q1 | $26.2M | Buy |
990,901
+18,878
| +2% | +$470K | 1.38% | 13 |
|
|
2015
Q4 | $27.2M | Sell |
972,023
-76,019
| -7% | -$2.3M | 1.09% | 19 |
|
|
2015
Q3 | $31.5M | Sell |
1,048,042
-1,844
| -0.2% | -$58.9K | 1.15% | 22 |
|
|
2015
Q2 | $37M | Sell |
1,049,886
-211,179
| -17% | -$8.14M | 1.03% | 26 |
|
|
2015
Q1 | $48.5M | Sell |
1,261,065
-368,691
| -23% | -$13.2M | 1.21% | 20 |
|
|
2014
Q4 | $57.4M | Sell |
1,629,756
-390,686
| -19% | -$13.5M | 1.13% | 20 |
|
|
2014
Q3 | $62M | Sell |
2,020,442
-464
| -0% | -$15.8K | 1.2% | 14 |
|
|
2014
Q2 | $74.8M | Hold |
2,020,906
| – | – | 1.3% | 13 |
|
|
2014
Q1 | $68.6M | Buy |
2,020,906
+308
| +0% | +$9.15K | 1.2% | 14 |
|
|
2013
Q4 | $62.3M | Buy |
2,020,598
+51,305
| +3% | +$1.49M | 1.08% | 22 |
|
|
2013
Q3 | $63.1M | Buy |
1,969,293
+40,655
| +2% | +$1.24M | 1.15% | 19 |
|
|
2013
Q2 | $52.2M | Buy |
+1,928,638
| New | +$54.2M | 0.96% | 25 |
|
Other funds holding MTRN
VPM
VCM
AAM
Heartland Advisors's MTRN Position: Q1 2026 in Review
Heartland Advisors reduced its Materion (MTRN) stake by 4.9% in Q1 2026, selling an estimated $365K and leaving 48,352 shares worth $6.99M. The position accounts for 0.36% of the portfolio, ranked #112.
Heartland Advisors first reported a position in MTRN in Q2 2013 and has held it in 34 quarters since. The position peaked at $74.8M in Q2 2014. 333 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.
- Heartland Advisors held 48,352 shares of Materion worth $6.99M as of Q1 2026.
- Heartland Advisors sold 2,507 Materion shares in Q1 2026, an estimated $365K.
- Materion made up 0.36% of Heartland Advisors's portfolio in Q1 2026, its #112 holding.
- Heartland Advisors first reported a position in Materion in Q2 2013 and has held it in 34 quarters since.
- Heartland Advisors's Materion position peaked at $74.8M in Q2 2014.
- 333 funds tracked by Wall St. Rank held Materion as of Q1 2026.
Based on Heartland Advisors's 13F filing for Q1 2026, filed 6 May 2026.