Armstrong World Industries Inc. (AWI)
| Sector: | Industrial Goods |
| Super Investor Stats: | |
| Ownership count: | 2 |
| Ownership rank: | 481 |
| % of all portfolios: | 0.031% |
| Hold Price * : | $164.80 |
| History | Portfolio Manager | Activity ▲ | Share change | % change to portfolio | |
| Q1  2026 | |||||
| ≡ | Polen Capital Management | Sell 100.00% | 1,511 | 0.00 | |
| Q4  2025 | |||||
| ≡ | Yacktman Asset Management | Reduce 2.31% | 17,543 | 0.05 | |
| Q3  2025 | |||||
| ≡ | Yacktman Asset Management | Reduce 11.85% | 102,050 | 0.28 | |
| Q2  2025 | |||||
| ≡ | Yacktman Asset Management | Reduce 1.03% | 8,954 | 0.02 | |
| Q1  2025 | |||||
| ≡ | Yacktman Asset Management | Reduce 7.22% | 67,712 | 0.13 | |
| Q4  2024 | |||||
| ≡ | Yacktman Asset Management | Reduce 5.59% | 55,587 | 0.09 | |
| Q3  2024 | |||||
| ≡ | Yacktman Asset Management | Reduce 9.72% | 106,939 | 0.14 | |
| Q2  2024 | |||||
| ≡ | Yacktman Asset Management | Reduce 0.98% | 10,854 | 0.01 | |
| ≡ | Lee Ainslie - Maverick Capital | Sell 100.00% | 4,903 | 0.01 | |
| Q1  2024 | |||||
| ≡ | Yacktman Asset Management | Reduce 4.29% | 49,862 | 0.06 | |
| Q4  2023 | |||||
| ≡ | Yacktman Asset Management | Reduce 0.87% | 10,166 | 0.01 | |
| Q3  2023 | |||||
| ≡ | Yacktman Asset Management | Reduce 0.67% | 7,848 | 0.01 | |
| Q2  2023 | |||||
| ≡ | Lee Ainslie - Maverick Capital | Sell 100.00% | 5,798 | 0.01 | |
| ≡ | William Von Mueffling - Cantillon Capital Management | Sell 100.00% | 1,886,268 | 1.09 | |
| Q1  2023 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 1.64% | 31,440 | 0.02 | |
| Q3  2022 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.89% | 15,852 | 0.01 | |
| Q2  2022 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.29% | 5,158 | 0.00 | |
| ≡ | Lee Ainslie - Maverick Capital | Sell 100.00% | 5,943 | 0.01 | |
| Q3  2021 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 2.05% | 24,688 | 0.02 | |
| ≡ | Yacktman Asset Management | Reduce 1.10% | 12,216 | 0.01 | |
| Q2  2021 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.87% | 10,594 | 0.01 | |
| ≡ | Yacktman Asset Management | Reduce 0.77% | 8,556 | 0.01 | |
| Q1  2021 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 2.51% | 31,237 | 0.02 | |
| ≡ | Lee Ainslie - Maverick Capital | Sell 100.00% | 32,405 | 0.04 | |
| Q4  2020 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 1.89% | 23,970 | 0.01 | |
| Q3  2020 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.92% | 11,800 | 0.01 | |
| Q1  2020 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.13% | 1,586 | 0.00 | |
| Q4  2019 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 2.67% | 34,738 | 0.03 | |
| Q3  2019 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.30% | 3,938 | 0.00 | |
| Q2  2019 | |||||
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 2.17% | 29,010 | 0.03 | |
| ≡ | ValueAct Capital | Sell 100.00% | 63,910 | 0.06 | |
| Q1  2019 | |||||
| ≡ | ValueAct Capital | Reduce 97.15% | 2,181,000 | 2.05 | |
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 0.49% | 6,527 | 0.01 | |
| Q4  2018 | |||||
| ≡ | ValueAct Capital | Reduce 57.03% | 2,980,000 | 2.16 | |
| Q3  2018 | |||||
| ≡ | ValueAct Capital | Reduce 23.75% | 1,627,702 | 1.12 | |
| ≡ | William Von Mueffling - Cantillon Capital Management | Reduce 6.96% | 80,079 | 0.06 | |
| Q1  2018 | |||||
| ≡ | ValueAct Capital | Reduce 25.54% | 2,350,000 | 1.33 | |
| Q1  2016 | |||||
| ≡ | Lee Ainslie - Maverick Capital | Sell 100.00% | 1,864,907 | 1.23 | |
| Q2  2010 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Sell 100.00% | 79,350 | 0.13 | |
| Q1  2010 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Reduce 11.89% | 10,703 | 0.02 | |
| Q4  2009 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Reduce 0.54% | 489 | 0.00 | |
| Q3  2009 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Reduce 6.40% | 6,193 | 0.01 | |
| Q2  2009 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Reduce 6.21% | 6,407 | 0.01 | |
| Q1  2009 | |||||
| ≡ | Thomas Russo - Gardner Russo & Quinn | Reduce 38.75% | 65,261 | 0.05 | |
* "Hold Price" is the last known price at which an investor still held a security. It is the closing price of the security as of the portfolio date (quarter end). This value is only provided when a security is owned by at least two investors. In the case of reporting dates being different, a weighted average price is calculated.