Armstrong World Industries
417 hedge funds and large institutions have $7.1B invested in Armstrong World Industries in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 152 increasing their positions, 161 reducing their positions, and 31 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more funds holding in top 10
Funds holding in top 10: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
5% more funds holding
Funds holding: 397 → 417 (+20)
0.91% more ownership
Funds ownership: 99.54% → 100.45% (+0.91%)
6% less repeat investments, than reductions
Existing positions increased: 152 | Existing positions reduced: 161
Holders
417
Holding in Top 10
6
Calls
$42.3M
Puts
$4.55M
Top Buyers
| 1 | +$60M | |
| 2 | +$51.8M | |
| 3 | +$43.8M | |
| 4 |
Goldman Sachs
New York
|
+$23.4M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$20.1M |
Top Sellers
| 1 | -$75.3M | |
| 2 | -$62.1M | |
| 3 | -$22.8M | |
| 4 |
SCM
SG Capital Management
Chicago,
Illinois
|
-$22.3M |
| 5 |
CB
Cooke & Bieler
Philadelphia,
Pennsylvania
|
-$21.4M |