ACK Asset Management’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 | $68.7M | Hold |
474,800
| – | – | 8.57% | 1 |
|
|
2025
Q4 | $59M | Sell |
474,800
-50,000
| -10% | -$6.17M | 7.41% | 1 |
|
|
2025
Q3 | $63.4M | Hold |
524,800
| – | – | 7.93% | 2 |
|
|
2025
Q2 | $41.7M | Buy |
524,800
+65,600
| +14% | +$5.17M | 5.47% | 9 |
|
|
2025
Q1 | $37.5M | Sell |
459,200
-35,600
| -7% | -$3.35M | 6.15% | 7 |
|
|
2024
Q4 | $48.9M | Sell |
494,800
-10,700
| -2% | -$1.16M | 6.55% | 7 |
|
|
2024
Q3 | $56.5M | Hold |
505,500
| – | – | 6.99% | 7 |
|
|
2024
Q2 | $54.7M | Buy |
505,500
+25,000
| +5% | +$2.87M | 6.75% | 7 |
|
|
2024
Q1 | $63.3M | Hold |
480,500
| – | – | 7.38% | 6 |
|
|
2023
Q4 | $62.5M | Hold |
480,500
| – | – | 7.52% | 1 |
|
|
2023
Q3 | $49M | Hold |
480,500
| – | – | 7.11% | 4 |
|
|
2023
Q2 | $54.9M | Hold |
480,500
| – | – | 6.83% | 7 |
|
|
2023
Q1 | $55.7M | Sell |
480,500
-35,000
| -7% | -$3.51M | 8.51% | 2 |
|
|
2022
Q4 | $45.1M | Buy |
515,500
+95,800
| +23% | +$7.82M | 8.28% | 1 |
|
|
2022
Q3 | $33.6M | Hold |
419,700
| – | – | 8.89% | 2 |
|
|
2022
Q2 | $30.9M | Hold |
419,700
| – | – | 8.66% | 1 |
|
|
2022
Q1 | $36M | Buy |
419,700
+4,700
| +1% | +$402K | 7.81% | 2 |
|
|
2021
Q4 | $26.4M | Buy |
415,000
+70,700
| +21% | +$5.89M | 6.23% | 2 |
|
|
2021
Q3 | $20.4M | Buy |
344,300
+34,300
| +11% | +$2.45M | 5.97% | 5 |
|
|
2021
Q2 | $16.7M | Buy |
310,000
+40,000
| +15% | +$2.96M | 6.15% | 4 |
|
|
2021
Q1 | $14M | Buy |
270,000
+98,650
| +58% | +$6.84M | 5.57% | 7 |
|
|
2020
Q4 | $7.38M | Sell |
171,350
-10,800
| -6% | -$621K | 3.04% | 16 |
|
|
2020
Q3 | $7.9M | Sell |
182,150
-16,650
| -8% | -$942K | 4.06% | 15 |
|
|
2020
Q2 | $8.78M | Buy |
198,800
+163,800
| +468% | +$8.28M | 3.98% | 13 |
|
|
2020
Q1 | $1.23M | Buy |
+35,000
| New | +$1.74M | 0.62% | 20 |
|
|
2018
Q1 | – | Sell |
-310,000
| Closed | -$15.1M | – | 35 |
|
|
2017
Q4 | $15.1M | Buy |
310,000
+182,183
| +143% | +$8.66M | 3.38% | 12 |
|
|
2017
Q3 | $5.51M | Buy |
+127,817
| New | +$4.9M | 1.52% | 22 |
|
|
2013
Q4 | – | Sell |
-200,000
| Closed | -$6.41M | – | 38 |
|
|
2013
Q3 | $6.41M | Sell |
200,000
-76,440
| -28% | -$2.34M | 2.47% | 19 |
|
|
2013
Q2 | $7.49M | Buy |
+276,440
| New | +$7.77M | 3.04% | 15 |
|
Other funds holding MTRN
VPM
VCM
ACK Asset Management's MTRN Position: Q1 2026 in Review
ACK Asset Management held its Materion (MTRN) position steady in Q1 2026 at 474,800 shares worth $68.7M. The position accounts for 8.57% of the portfolio, ranked #1.
ACK Asset Management first reported a position in MTRN in Q2 2013 and has held it in 29 quarters since. 333 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.
- ACK Asset Management held 474,800 shares of Materion worth $68.7M as of Q1 2026.
- ACK Asset Management left its Materion share count unchanged in Q1 2026.
- Materion made up 8.57% of ACK Asset Management's portfolio in Q1 2026, its #1 holding.
- ACK Asset Management first reported a position in Materion in Q2 2013 and has held it in 29 quarters since.
- 333 funds tracked by Wall St. Rank held Materion as of Q1 2026.
Based on ACK Asset Management's 13F filing for Q1 2026, filed 15 May 2026.