Latest Period
Q1 2026
Security Snapshot
ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) Institutional Ownership
CUSIP: 04247X102
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
459
Shares (Excl. Options)
42,114,956
Price
$164.80
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- Type / Class
- Equity / Common Stock
- Symbol
- AWI on NYSE
- Shares outstanding
- 43,450,667
- Price per share
- $177.66
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 42,114,956
- Total reported value
- $6,934,009,968
- % of total 13F portfolios
- 0.01%
- Share change
- -866,986
- Value change
- -$217,727,627
- Number of holders
- 459
- Price from insider filings
- $177.66
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock is tracked under CUSIP 04247X102.
- 459 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 516 to 459 between Q4 2025 and Q1 2026.
- Reported value moved from $8,355,887,729 to $6,934,009,968.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 459 institutions filings for Q1 2026.
Investment Quick Answers
What is CUSIP 04247X102?
CUSIP 04247X102 identifies AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04247X102:
Significant Owners of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | $813,877,193 | 5,010,325 | BlackRock, Inc. | 30 Jun 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $370,555,931 | 2,248,519 | Vanguard Capital Management | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2% | $369,498,904 | 2,242,105 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Capital International Investors | 1.8% | $128,892,058 | 782,112 | Capital International Investors | 31 Mar 2026 |
As of 31 Mar 2026, 459 institutional investors reported holding 42,114,956 shares of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI). This represents 97% of the company’s total 43,450,667 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) together control 63% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 5,206,270 | -1.8% | 0.02% | $857,993,277 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1% | 2,233,389 | 0% | 0.02% | $368,062,507 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 1,918,199 | 0% | 0.01% | $316,119,195 |
| LONDON CO OF VIRGINIA | 4% | 1,723,367 | -7.7% | 1.7% | $284,013,212 |
| STATE STREET CORP | 3.3% | 1,414,904 | +3.1% | 0.01% | $233,176,179 |
| BANK OF MONTREAL /CAN/ | 2.8% | 1,225,302 | -4.2% | 0.09% | $201,929,770 |
| AQR CAPITAL MANAGEMENT LLC | 2.6% | 1,119,557 | +16% | 0.08% | $179,890,313 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.4% | 1,041,354 | +3.6% | 0.58% | $171,615,113 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 1,008,332 | -0.67% | 0.01% | $166,205,484 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.3% | 984,320 | -18% | 0.48% | $162,216,061 |
| NEUBERGER BERMAN GROUP LLC | 2.1% | 916,010 | -2.8% | 0.11% | $150,958,529 |
| DIMENSIONAL FUND ADVISORS LP | 1.9% | 842,952 | -1.8% | 0.03% | $138,903,742 |
| CITADEL ADVISORS LLC | 1.8% | 795,281 | +46% | 0.09% | $131,062,309 |
| TWO SIGMA INVESTMENTS, LP | 1.8% | 783,763 | +229% | 0.11% | $129,164,142 |
| Capital International Investors | 1.8% | 776,092 | -67% | 0.03% | $127,899,962 |
| YACKTMAN ASSET MANAGEMENT LP | 1.7% | 741,937 | +0.03% | 1.6% | $122,271,218 |
| Alyeska Investment Group, L.P. | 1.7% | 740,993 | +39% | 0.35% | $122,115,646 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.3% | 575,000 | +100% | 0.15% | $94,760,000 |
| TIMUCUAN ASSET MANAGEMENT INC/FL | 1.3% | 563,451 | -1.4% | 3.4% | $92,856,720 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 534,777 | +2.3% | 0.01% | $88,131,250 |
| Gates Capital Management, Inc. | 1.1% | 498,268 | +16% | 2.8% | $82,114,566 |
| FMR LLC | 1.1% | 461,115 | +70% | 0% | $75,991,656 |
| MORGAN STANLEY | 1.1% | 459,191 | -7% | 0% | $75,674,922 |
| Egerton Capital (UK) LLP | 1% | 448,036 | 0.82% | $73,836,333 | |
| Van Berkom & Associates Inc. | 1% | 446,572 | -3.2% | 2.4% | $73,595,000 |
Institutional Holders of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 42,114,956 | $6,934,009,968 | -$217,727,627 | $164.80 | 459 |
| 2025 Q4 | 43,709,960 | $8,355,887,729 | +$352,722,372 | $191.10 | 516 |
| 2025 Q3 | 43,130,460 | $8,452,518,935 | -$101,731,634 | $196.01 | 497 |
| 2025 Q2 | 43,659,927 | $7,101,565,869 | +$71,137,263 | $162.44 | 418 |
| 2025 Q1 | 43,269,753 | $6,094,758,026 | -$126,325,070 | $140.88 | 393 |
| 2024 Q4 | 44,571,907 | $6,299,601,673 | +$54,268,674 | $141.33 | 365 |
| 2024 Q3 | 43,637,847 | $5,736,074,773 | -$109,834,101 | $131.43 | 342 |
| 2024 Q2 | 44,435,919 | $5,031,832,552 | -$24,459,370 | $113.24 | 323 |
| 2024 Q1 | 44,631,698 | $5,543,899,885 | -$405,633,290 | $124.22 | 322 |
| 2023 Q4 | 48,041,888 | $4,723,432,404 | +$374,696,859 | $98.32 | 279 |
| 2023 Q3 | 44,603,405 | $3,211,351,385 | -$4,672,335 | $72.00 | 252 |
| 2023 Q2 | 44,611,902 | $3,277,149,853 | -$52,049,536 | $73.46 | 257 |
| 2023 Q1 | 45,453,661 | $3,237,979,831 | -$46,802,961 | $71.24 | 265 |
| 2022 Q4 | 46,215,570 | $3,170,098,302 | -$82,992,749 | $68.59 | 260 |
| 2022 Q3 | 46,723,475 | $3,701,838,184 | -$53,924,881 | $79.23 | 245 |
| 2022 Q2 | 47,392,378 | $3,552,751,158 | +$8,460,948 | $74.96 | 246 |
| 2022 Q1 | 47,267,589 | $4,255,573,526 | +$13,814,401 | $90.01 | 256 |
| 2021 Q4 | 46,982,289 | $5,455,009,933 | -$146,224,364 | $116.12 | 258 |
| 2021 Q3 | 48,017,609 | $4,585,144,348 | -$79,320,753 | $95.47 | 238 |
| 2021 Q2 | 48,695,056 | $5,223,153,793 | -$26,953,528 | $107.26 | 236 |
| 2021 Q1 | 49,041,577 | $4,418,262,675 | +$21,390,551 | $90.09 | 238 |
| 2020 Q4 | 48,908,954 | $3,638,386,669 | -$26,067,574 | $74.39 | 236 |
| 2020 Q3 | 49,116,576 | $3,379,706,996 | -$4,346,526 | $68.81 | 229 |
| 2020 Q2 | 49,107,456 | $3,827,993,293 | +$67,026,689 | $77.96 | 229 |
| 2020 Q1 | 48,242,715 | $3,831,547,871 | -$130,155,956 | $79.42 | 222 |
| 2019 Q4 | 49,468,629 | $4,649,093,087 | +$39,173,428 | $93.97 | 246 |
| 2019 Q3 | 49,165,428 | $4,754,531,649 | +$12,712,894 | $96.70 | 265 |
| 2019 Q2 | 49,115,764 | $4,774,667,465 | +$13,066,746 | $97.20 | 280 |
| 2019 Q1 | 49,491,637 | $3,931,105,988 | +$82,240,183 | $79.42 | 250 |
| 2018 Q4 | 48,671,666 | $2,833,975,152 | -$61,298,202 | $58.21 | 234 |
| 2018 Q3 | 49,486,203 | $3,443,175,061 | -$163,053,276 | $69.60 | 238 |
| 2018 Q2 | 52,014,204 | $3,287,899,402 | -$113,740,112 | $63.20 | 217 |
| 2018 Q1 | 53,858,170 | $3,032,241,980 | -$24,609,062 | $56.30 | 206 |
| 2017 Q4 | 54,236,808 | $3,284,452,914 | -$167,374,623 | $60.55 | 209 |
| 2017 Q3 | 57,712,675 | $2,957,702,230 | -$79,061,239 | $51.25 | 173 |
| 2017 Q2 | 59,288,743 | $2,727,095,188 | +$22,938,754 | $46.00 | 165 |
| 2017 Q1 | 58,790,461 | $2,707,613,115 | +$157,982,981 | $46.05 | 180 |
| 2016 Q4 | 57,533,899 | $2,404,653,419 | -$47,910,821 | $41.80 | 163 |
| 2016 Q3 | 58,625,394 | $2,421,833,289 | +$120,314,786 | $41.32 | 156 |
| 2016 Q2 | 55,830,409 | $2,186,210,164 | +$81,794,059 | $39.15 | 157 |
| 2016 Q1 | 53,211,926 | $2,559,528,476 | -$7,908,005 | $48.37 | 171 |
| 2015 Q4 | 53,615,775 | $2,452,024,588 | -$108,701,279 | $45.73 | 168 |
| 2015 Q3 | 53,877,855 | $2,572,278,133 | -$65,440,780 | $47.74 | 178 |
| 2015 Q2 | 55,092,337 | $2,935,331,412 | +$19,481,370 | $53.28 | 169 |
| 2015 Q1 | 54,656,510 | $3,140,125,969 | +$220,502,098 | $57.47 | 162 |
| 2014 Q4 | 50,985,471 | $2,606,456,965 | -$8,187,144 | $51.12 | 144 |
| 2014 Q3 | 50,552,982 | $2,830,969,136 | -$19,473,111 | $56.00 | 140 |
| 2014 Q2 | 50,714,728 | $2,911,952,042 | +$191,568,530 | $57.43 | 154 |
| 2014 Q1 | 47,928,438 | $2,551,802,744 | +$132,339,793 | $53.25 | 156 |