Ken Griffin’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 | $1.71M | Buy |
11,800
+3,300
| +39% | +$480K | ﹤0.01% | 6432 |
|
|
2025
Q4 | $1.06M | Buy |
+8,500
| New | +$1.05M | ﹤0.01% | 7271 |
|
|
2025
Q2 | – | Sell |
-700
| Closed | -$57.1K | – | 14133 |
|
|
2025
Q1 | $57.1K | Buy |
700
+400
| +133% | +$37.7K | ﹤0.01% | 12167 |
|
|
2024
Q4 | $29.7K | Sell |
300
-11,600
| -97% | -$1.26M | ﹤0.01% | 12886 |
|
|
2024
Q3 | $1.33M | Buy |
11,900
+10,800
| +982% | +$1.2M | ﹤0.01% | 6278 |
|
|
2024
Q2 | $119K | Sell |
1,100
-2,000
| -65% | -$230K | ﹤0.01% | 10662 |
|
|
2024
Q1 | $408K | Sell |
3,100
-4,800
| -61% | -$608K | ﹤0.01% | 8825 |
|
|
2023
Q4 | $1.03M | Sell |
7,900
-6,000
| -43% | -$658K | ﹤0.01% | 6624 |
|
|
2023
Q3 | $1.42M | Sell |
13,900
-1,800
| -11% | -$197K | ﹤0.01% | 5887 |
|
|
2023
Q2 | $1.79M | Buy |
15,700
+10,600
| +208% | +$1.15M | ﹤0.01% | 5341 |
|
|
2023
Q1 | $592K | Buy |
5,100
+3,500
| +219% | +$351K | ﹤0.01% | 7968 |
|
|
2022
Q4 | $140K | Sell |
1,600
-1,100
| -41% | -$89.8K | ﹤0.01% | 10719 |
|
|
2022
Q3 | $216K | Buy |
+2,700
| New | +$223K | ﹤0.01% | 10261 |
|
|
2022
Q2 | – | Sell |
-2,400
| Closed | -$206K | – | 13661 |
|
|
2022
Q1 | $206K | Buy |
+2,400
| New | +$205K | ﹤0.01% | 11467 |
|
|
2020
Q3 | – | Sell |
-4,800
| Closed | -$295K | – | 10496 |
|
|
2020
Q2 | $295K | Buy |
+4,800
| New | +$243K | ﹤0.01% | 7927 |
|
|
2018
Q4 | – | Sell |
-3,700
| Closed | -$224K | – | 9534 |
|
|
2018
Q3 | $224K | Buy |
+3,700
| New | +$223K | ﹤0.01% | 8036 |
|
|
2016
Q1 | – | Sell |
-3,000
| Closed | -$84K | – | 7541 |
|
|
2015
Q4 | $84K | Buy |
+3,000
| New | +$90.7K | ﹤0.01% | 6861 |
|
|
2015
Q3 | – | Sell |
-5,700
| Closed | -$201K | – | 9107 |
|
|
2015
Q2 | $201K | Buy |
5,700
+1,900
| +50% | +$73.2K | ﹤0.01% | 6318 |
|
|
2015
Q1 | $146K | Buy |
3,800
+2,600
| +217% | +$93.4K | ﹤0.01% | 6519 |
|
|
2014
Q4 | $42K | Buy |
+1,200
| New | +$41.4K | ﹤0.01% | 7325 |
|
|
2014
Q3 | – | Sell |
-3,400
| Closed | -$126K | – | 8298 |
|
|
2014
Q2 | $126K | Buy |
3,400
+500
| +17% | +$17.3K | ﹤0.01% | 6033 |
|
|
2014
Q1 | $98K | Buy |
2,900
+2,600
| +867% | +$77.2K | ﹤0.01% | 6213 |
|
|
2013
Q4 | $9K | Hold |
300
| – | – | ﹤0.01% | 6728 |
|
|
2013
Q3 | $10K | Sell |
300
-3,800
| -93% | -$116K | ﹤0.01% | 6473 |
|
|
2013
Q2 | $111K | Buy |
+4,100
| New | +$115K | ﹤0.01% | 5141 |
|
Other funds holding MTRN
VPM
VCM
AAM
Ken Griffin's MTRN Position: Q1 2026 in Review
Ken Griffin increased its Materion (MTRN) stake by 172% in Q1 2026, buying an estimated $3.5M and bringing the position to 38,073 shares worth $5.51M. The position accounts for ﹤0.01% of the portfolio, ranked #4190.
Ken Griffin first reported a position in MTRN in Q2 2013 and has held it in 49 quarters since. The position peaked at $8.69M in Q3 2018. 334 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.
- Ken Griffin held 38,073 shares of Materion worth $5.51M as of Q1 2026.
- Ken Griffin bought 24,053 Materion shares in Q1 2026, an estimated $3.5M.
- Materion made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4190 holding.
- Ken Griffin first reported a position in Materion in Q2 2013 and has held it in 49 quarters since.
- Ken Griffin's Materion position peaked at $8.69M in Q3 2018.
- 334 funds tracked by Wall St. Rank held Materion as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.