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.
24 companies meet this test
Figures as of September 30, 2026
| # | Company | Grade | Share count, 3 years | Free cash flow yield | Market value |
|---|---|---|---|---|---|
| 1 | MPCMarathon Petroleum Corporation | B | -45.6% | 11.7% | $110.1B |
| 2 | IMOIMPERIAL OIL LIMITED | B+ | -24.6% | 6.0% | $58.9B |
| 3 | PARRPar Pacific Holdings, Inc. | B | -16.3% | 10.5% | $3.9B |
| 4 | NVGSNAVIGATOR HOLDINGS LTD | B+ | -15.9% | 7.8% | $1.5B |
| 5 | PSXPhillips 66 | B | -15.8% | — | $100.6B |
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.