← Super investors
AWI
Armstrong World Industries
3 super-investor ownerscombined $327Mlargest position 1.6%
1 NEW
Cohort owners over time
2016Q2 → 2026Q1How many of the cohort members held this stock each quarter.
Now: 1
Peak: 2
Owners (3) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Joel Greenblatt | 0.1% | 37q | $131M | 795,281 |
| 2 | Yacktman Asset Management | 1.6% | 21q | $122M | 741,937 |
| 3 | John Armitage | 0.8% | — 1q | $74M | 448,036 |
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| John Armitage | NEW | 0.8% | +100% | $74M | May 13, 2026 |
Long US equity 13F-HR filings only. CUSIP 04247X102. Not investment advice.