Rankings · Capital
Share count shrinking fastest
Graded A or B, ranked by how far the number of shares fell over three years. A buyback only shows here when it retires more shares than the company issues.
717 companies meet this test
Figures as of September 30, 2026
| # | Company | Grade | Share count, 3 years | Free cash flow yield | Market value |
|---|---|---|---|---|---|
| 1 | AMGAFFILIATED MANAGERS GROUP, INC. | A+ | -47.2% | 11.1% | $9.6B |
| 2 | MPCMarathon Petroleum Corporation | B | -45.6% | 11.7% | $110.1B |
| 3 | SPBSpectrum Brands Holdings, Inc. | B | -43.8% | 15.7% | $1.9B |
| 4 | GMGENERAL MOTORS COMPANY | B | -39.7% | 20.4% | $70.6B |
| 5 | MGMMGM Resorts International | A | -39.1% | 18.8% | $7.9B |
More rankings
A ranking orders companies by one stated measure. It is not a recommendation, and it says nothing about whether any share price is reasonable.