LANCASTER, PA
ARMSTRONG WORLD INDUSTRIES INCAWI— Latest position per institution from SEC 13F filings
15
Institutional holders
36.50M
Total shares held
5.46B
Estimated value
1.82M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.41M
Value
612.41M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
5.16M
Value
827.24M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
4.44M
Value
848.82M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.22M
Value
356.09M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.92M
Value
308.64M
Filed
Jun 30, 2026
CANTILLON CAPITAL MANAGEMENT LLC
CIK 1279936
Shares
1.89M
Value
134.38M
Filed
Mar 31, 2023
SOUTHPOINT CAPITAL ADVISORS LP
CIK 1319998
Shares
1.70M
Value
121.11M
Filed
Mar 31, 2023
LONDON CO OF VIRGINIA
CIK 1259887
Shares
1.64M
Value
263.78M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.44M
Value
230.75M
Filed
Jun 30, 2026
BURGUNDY ASSET MANAGEMENT LTD.
CIK 1315868
Shares
1.31M
Value
257.18M
Filed
Sep 30, 2025
BANK OF MONTREAL /CAN/
CIK 927971
Shares
1.10M
Value
177.20M
Filed
Jun 30, 2026
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 1082327
Shares
1.10M
Value
176.78M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.05M
Value
167.71M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.04M
Value
167.40M
Filed
Jun 30, 2026
EGERTON CAPITAL (UK) LLP
CIK 1581811
Shares
993.34K
Value
160.85M
Filed
Sep 30, 2026
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 1021223
Shares
894.08K
Value
143.43M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
869.85K
Value
139.54M
Filed
Jun 30, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
794.51K
Value
127.45M
Filed
Jun 30, 2026
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
763.19K
Value
122.43M
Filed
Jun 30, 2026
YACKTMAN ASSET MANAGEMENT LP
CIK 905567
Shares
754.94K
Value
121.11M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 5.41M | 612.41M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 5.16M | 827.24M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 4.44M | 848.82M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.22M | 356.09M | Jun 30, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.92M | 308.64M | Jun 30, 2026 |
| 6 | CANTILLON CAPITAL MANAGEMENT LLC | 1279936 | 1.89M | 134.38M | Mar 31, 2023 |
| 7 | SOUTHPOINT CAPITAL ADVISORS LP | 1319998 | 1.70M | 121.11M | Mar 31, 2023 |
| 8 | LONDON CO OF VIRGINIA | 1259887 | 1.64M | 263.78M | Jun 30, 2026 |
| 9 | STATE STREET CORP | 93751 | 1.44M | 230.75M | Jun 30, 2026 |
| 10 | BURGUNDY ASSET MANAGEMENT LTD. | 1315868 | 1.31M | 257.18M | Sep 30, 2025 |
| 11 | BANK OF MONTREAL /CAN/ | 927971 | 1.10M | 177.20M | Jun 30, 2026 |
| 12 | FULLER & THALER ASSET MANAGEMENT, INC. | 1082327 | 1.10M | 176.78M | Jun 30, 2026 |
| 13 | CITADEL ADVISORS LLC | 1423053 | 1.05M | 167.71M | Jun 30, 2026 |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.04M | 167.40M | Jun 30, 2026 |
| 15 | EGERTON CAPITAL (UK) LLP | 1581811 | 993.34K | 160.85M | Sep 30, 2026 |
| 16 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1021223 | 894.08K | 143.43M | Jun 30, 2026 |
| 17 | DIMENSIONAL FUND ADVISORS LP | 354204 | 869.85K | 139.54M | Jun 30, 2026 |
| 18 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 794.51K | 127.45M | Jun 30, 2026 |
| 19 | NEUBERGER BERMAN GROUP LLC | 1465109 | 763.19K | 122.43M | Jun 30, 2026 |
| 20 | YACKTMAN ASSET MANAGEMENT LP | 905567 | 754.94K | 121.11M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.