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Armstrong World Industries

517 hedge funds and large institutions have $8.36B invested in Armstrong World Industries in 2025 Q4 according to their latest regulatory filings, with 82 funds opening new positions, 183 increasing their positions, 195 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

472% more call options, than puts

Call options by funds: $27.7M | Put options by funds: $4.84M

55% more first-time investments, than exits

New positions opened: 82 | Existing positions closed: 53

4% more funds holding

Funds holding: 498517 (+19)

2.06% more ownership

Funds ownership: 99.71%101.78% (+2.1%)

1% less capital invested

Capital invested by funds: $8.45B → $8.36B (-$95.9M)

6% less repeat investments, than reductions

Existing positions increased: 183 | Existing positions reduced: 195

63% less funds holding in top 10

Funds holding in top 10: 83 (-5)

Holders
517
Holders Change
+19
Holders Change %
+3.82%
% of All Funds
6.29%
Holding in Top 10
3
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-62.5%
% of All Funds
0.04%
New
82
Increased
183
Reduced
195
Closed
53
Calls
$27.7M
Puts
$4.84M
Net Calls
+$22.9M
Net Calls Change
-$35M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$1.01B +$1.9M +9,932 +0.2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$849M -$9.57M -50,149 -1%
Capital International Investors
3
Capital International Investors
California
$444M +$4.41M +23,133 +1%
LCOV
4
London Company of Virginia
Virginia
$357M -$51.4M -269,356 -13%
State Street
5
State Street
Massachusetts
$262M -$499K -2,613 -0.2%
Bank of Montreal
6
Bank of Montreal
Ontario, Canada
$244M +$243M +1,272,275 +18,680%
Kayne Anderson Rudnick Investment Management
7
Kayne Anderson Rudnick Investment Management
California
$230M -$14.8M -77,768 -6%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$194M +$11.8M +61,647 +6%
Fuller & Thaler Asset Management
9
Fuller & Thaler Asset Management
California
$192M -$3.66M -19,191 -2%
AQR Capital Management
10
AQR Capital Management
Connecticut
$184M +$13.3M +69,849 +8%
Neuberger Berman Group
11
Neuberger Berman Group
New York
$180M -$10.4M -54,234 -5%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$164M -$533K -2,794 -0.3%
Invesco
13
Invesco
Georgia
$154M +$9.34M +48,925 +6%
YAM
14
Yacktman Asset Management
Texas
$142M -$3.35M -17,543 -2%
AllianceBernstein
15
AllianceBernstein
Tennessee
$117M -$50.4M -263,990 -30%
TAM
16
Timucuan Asset Management
Florida
$109M -$2.25M -11,798 -2%
Norges Bank
17
Norges Bank
Norway
$108M +$108M +563,661 New
Citadel Advisors
18
Citadel Advisors
Florida
$104M +$36.4M +190,867 +54%
Alyeska Investment Group
19
Alyeska Investment Group
Illinois
$102M +$5.84M +30,588 +6%
Charles Schwab
20
Charles Schwab
California
$99.9M -$2.59M -13,552 -3%
Morgan Stanley
21
Morgan Stanley
New York
$94.4M +$6.33M +33,157 +7%
VBA
22
Van Berkom & Associates
Quebec, Canada
$88.2M -$3.16M -16,569 -3%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$84.1M +$81.6M +427,447 New
Bank of America
24
Bank of America
North Carolina
$83.2M -$4.38M -22,957 -5%
GCM
25
Gates Capital Management
New York
$81.7M -$9.91M -51,952 -11%