# MGK (MGK) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: MGK
Page URL: https://superinvestorclub.com/stock/MGK
Last updated: 2026-08-29T13:48:43.703Z

## Summary

As of the most recent 13F filing period, MGK (MGK) is held by 0 tracked superinvestors with an aggregate position value of $0 representing 0 shares.

## Top institutional holders (0)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|

## Ownership history (quarter-over-quarter)


## Recent congressional trades (4)

- 2026-06-12: Richard Dean Dr McCormick (R-GA) sale $1,001 - $15,000
- 2026-03-19: Richard Dean Dr McCormick (R-GA) purchase $1,001 - $15,000
- 2023-03-15: Richard Dean Dr McCormick (R-GA) purchase $1,001 - $15,000
- 2023-03-15: Rich McCormick (Republican-GA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "MGK (MGK) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MGK), aggregating SEC 13F, Form 4, and congressional disclosures."