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
469
Shares (Excl. Options)
42,805,131
Price
$164.80
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- Security type / class
- Equity / Common Stock
- Symbol
- AWI on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 42,805,131
- Total 13F value
- $7,047,727,741
- Portfolio coverage rank
- 0.01%
- Share change
- -891,622
- Value change
- -$221,899,382
- Number of holders
- 469
- Shares outstanding
- 43,450,667
- SEC-reported price per share
- $161.76
- Insider filing price
- $161.76
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock is tracked under CUSIP 04247X102.
- 469 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 517 to 469 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $8,356,368,537 to $7,047,727,741.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 469 institutions filings for Q1 2026.
Security key
04247X102
Latest holder period
Q1 2026
13F holders
469
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
AWI full holder history
ARMSTRONG WORLD INDUSTRIES INC SEC filings
ARMSTRONG WORLD INDUSTRIES INC company facts
ARMSTRONG WORLD INDUSTRIES INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04247X102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
AWI
| 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, 469 institutional investors reported holding 42,805,131 shares of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI). This represents 99% of the company’s total 43,450,667 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
63%
| 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 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 457,619 | +5.2% | 0.01% | $75,415,667 |
| Egerton Capital (UK) LLP | 1% | 448,036 | 0.82% | $73,836,333 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 42,805,131 | $7,047,727,741 | -$221,899,382 | $164.80 | 469 |
| 2025 Q4 | 43,712,476 | $8,356,368,537 | +$352,681,859 | $191.10 | 517 |
| 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 |