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Security record · archived quarter

AWI

Armstrong World Industries, Inc. · Basic Materials · Construction Materials

177.78 -1.1% mkt cap $7.51B quote delayed (FMP) · as of Aug 26 21:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
11Tracked holders
-1Δ holders
2.67MShares held
$350.38MReported value
+0New positions
−1Exits
Strongly Falling Conviction score 22/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -8.3% · share flow -30.0% · net new positions -9.1%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 130 +7 29.06M $4.66B +11 −3
Q1 2026 125 -1 29.29M $4.82B +5 −7
Q4 2025 126 -1 32.96M $6.27B +1 −1
Q3 2025 19 +1 15.68M $3.07B +1 −1
Q2 2025 16 0 15.59M $2.53B
Q1 2025 13 +1 4.76M $670.56M +1
Q4 2024 12 0 4.49M $634.10M +1 −1
Q3 2024 11 -1 2.67M $350.38M −1
Q2 2024 12 4.05M $458.18M
Holder count
Who holds it · Q3 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Geode Capital Management (passive) 851.62K +4.2% $111.95M 0.0% ▲ Add 2 SEC ↗
2 Geode Capital Management (passive) 851.62K +4.2% $111.95M 0.0% ▲ Add 2 SEC ↗
3 Norges Bank (passive) 501.13K 0.0% $65.86M 0.0% Held 2 SEC ↗
4 Arrowstreet Capital 376.14K +17.3% $49.44M 0.0% ▲ Add 2 SEC ↗
5 Citadel Advisors 304.13K -41.3% $39.97M 0.0% ▼ Trim 2 SEC ↗
6 Citadel Advisors 304.13K -41.3% $39.97M 0.0% ▼ Trim 2 SEC ↗
7 Adage Capital Partners 277.00K -54.3% $36.41M 0.1% ▼ Trim 2 SEC ↗
8 AQR Capital Management 148.12K +28.5% $19.30M 0.0% ▲ Add 2 SEC ↗
9 AQR Capital Management 148.12K +28.5% $19.30M 0.0% ▲ Add 2 SEC ↗
10 AQR Capital Management 148.12K +28.5% $19.30M 0.0% ▲ Add 2 SEC ↗
11 Millennium Management 129.12K +134.4% $16.97M 0.0% ▲ Add 2 SEC ↗
12 T. Rowe Price 60.79K -94.4% $7.99M 0.0% ▼ Trim 2 SEC ↗
13 T. Rowe Price 60.79K -94.4% $7.99M 0.0% ▼ Trim 2 SEC ↗
14 Two Sigma Investments 13.56K +9.4% $1.78M 0.0% ▲ Add 2 SEC ↗
15 Gotham Asset Management 2.70K -71.4% $355,387 0.0% ▼ Trim 2 SEC ↗
16 Bridgewater Associates 2.65K +39.3% $347,764 0.0% ▲ Add 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Marshall Wace $669,248 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 469 holders, 42.65M shares, $6.76B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q3 2024 · Methodology · Get this via the API