MTRN — MATERION CORP
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying MTRN?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 4 tracked investors who changed their MTRN position last quarter, 3 bought and 1 sold (75% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).
- +3 tracked investors added or increased positions last quarter (George Soros, Ray Dalio, Cathie Wood)
- +5 tracked investors reported holding MTRN at their latest filing
- −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.
About MATERION CORP (MTRN)
MATERION CORP (MTRN) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $7M. Across recent filings, tracked investors recorded 3 new positions, 1 increased, 2 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in MTRN
How many top investors track MTRN
A small number of top investors own this.
MTRN Ownership Composition
How MATERION CORP is held across tracked investor types, based on reported 13F positions.
- Other75.8%
- Hedge Funds23.6%
- Growth Funds0.6%
Tracked investors reporting MTRN
- Ken GriffinMar 31, 2026Citadel AdvisorsShares49.9KValue$7.2M% Portfolio0.00%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares14.5KValue$2.1M% Portfolio0.00%
- George SorosMar 31, 2026Soros Fund ManagementShares21.1KValue$3.1M% Portfolio0.03%
- Ray DalioMar 31, 2026Bridgewater AssociatesShares3.7KValue$529.7K% Portfolio0.00%
- Cathie WoodMar 31, 2026ARK Investment ManagementShares571Value$82.6K% Portfolio0.00%
Recent activity
- Sold$0(-100.00%)May 15, 2026
- New$3.1MMay 15, 2026
- New$529.7KMay 15, 2026
- Increased$82.6K(1.06%)May 12, 2026
- Reduced$2.8K(-32.86%)Feb 17, 2026
- Reduced$70(-18.59%)Feb 11, 2026
- New$83Nov 12, 2025
Frequently asked questions
- How many institutional investors hold MTRN?
- 5 tracked institutional investors disclosed a position in MTRN (MATERION CORP) in their most recent 13F filing.
- Who is the largest institutional holder of MTRN?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in MTRN, valued at $7M.
- Did institutional ownership of MTRN increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 1 increased, 2 reduced, and 1 fully exited MTRN.
- Where does this MTRN ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.