MTRN
MATERION CORPData as of 2026 Q2 (06-30) · 13F snapshot
Summary
MATERION CORP (MTRN) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$25.24M; the largest are Ken Griffin, Izzy Englander, Ray Dalio. 2 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 added, 4 trimmed. 1 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Common-stock holders62 also report options
Congress trades1
Price$261.99vs quarter-end-11.90%
Sectors0
This quarter's moves
Top holderNew0
Added1
Trimmed / sold4
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Joel GreenblattHold
Value $826.1K0.0% of portfolio2,7782026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Joel Greenblatt | $826.1K | 0.0% | Hold |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $7.29M— of portfolio24,5002026 Q2
Value $624.5K— of portfolio2,1002026 Q2
Value $356.9K— of portfolio1,2002026 Q2
Value $267.7K— of portfolio9002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $7.29M | — | — |
| Steven CohenPUT | $624.5K | — | — |
| Steven CohenCALL | $356.9K | — | — |
| Ken GriffinPUT | $267.7K | — | — |
ARK ETF holdings
Cathie Wood · dailyARK total shares held · drag to inspect
2026-09-29holds 340
- PRNTweight in fund0.15%$89.1K
ARK publishes full ETF holdings daily (SEC Rule 6c-11). Line shows ARK's total shares held over time (not price); markers are buy/sell days. Derived from public CSVs — research only, not investment advice.
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.