Who owns ARMSTRONG WORLD INDUSTRIES INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AWI from SEC Form 13F filings across 477 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 477 institutions disclosed 43.2M shares of ARMSTRONG WORLD INDUSTRIES INC worth $6.93B — about 101.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
477
13F holders
$6.93B
value, 2026 filers
101.6%
of shares outstanding (43.2M sh)
73
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AWI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.2M | $827.2M | 0.0% | 12.1% | -1.0% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $356.1M | 0.0% | 5.2% | -0.6% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $308.6M | 0.0% | 4.5% | +0.3% |
| 4 | LONDON CO OF VIRGINIA | 1.6M | $263.8M | 1.5% | 3.9% | -4.6% |
| 5 | STATE STREET CORP | 1.4M | $230.7M | 0.0% | 3.4% | +1.7% |
| 6 | BANK OF MONTREAL /CAN/ | 1.1M | $177.2M | 0.1% | 2.6% | -9.8% |
| 7 | FULLER & THALER ASSET MANAGEMENT, INC. | 1.1M | $176.8M | 0.5% | 2.6% | +5.8% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.0M | $167.4M | 0.0% | 2.5% | +3.5% |
| 9 | CITADEL ADVISORS LLC | 1.0M | $165.3M | 0.0% | 2.4% | +29.6% |
| 10 | Egerton Capital (UK) LLP | 925,394 | $148.5M | 1.4% | 2.2% | +106.5% |
| 11 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 894,083 | $143.4M | 0.4% | 2.1% | -9.2% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 869,846 | $139.5M | 0.0% | 2% | +3.2% |
| 13 | Capital International Investors | 794,508 | $127.5M | 0.0% | 1.9% | +2.4% |
| 14 | TIMUCUAN ASSET MANAGEMENT INC/FLNEW | 784,126 | $125.8M | 4.6% | 1.8% | new |
| 15 | NEUBERGER BERMAN GROUP LLC | 763,194 | $122.4M | 0.1% | 1.8% | -16.7% |
| 16 | YACKTMAN ASSET MANAGEMENT LP | 754,944 | $121.1M | 1.5% | 1.8% | +1.8% |
| 17 | AQR CAPITAL MANAGEMENT LLC | 711,599 | $114.1M | 0.0% | 1.7% | -36.4% |
| 18 | River Road Asset Management, LLC | 694,210 | $111.4M | 1.2% | 1.6% | +149.1% |
| 19 | TWO SIGMA INVESTMENTS, LP | 583,201 | $93.6M | 0.1% | 1.4% | -25.6% |
| 20 | NORGES BANKNEW | 562,406 | $90.2M | 0.0% | 1.3% | new |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 528,206 | $84.7M | 0.0% | 1.2% | -1.2% |
| 22 | Gates Capital Management, Inc. | 513,283 | $82.3M | 2.0% | 1.2% | +3.0% |
| 23 | Alyeska Investment Group, L.P. | 494,820 | $79.4M | 0.2% | 1.2% | -33.2% |
| 24 | Van Berkom & Associates Inc. | 464,933 | $74.6M | 2.4% | 1.1% | +4.1% |
| 25 | BANK OF AMERICA CORP /DE/ | 464,757 | $74.6M | 0.0% | 1.1% | +1.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.