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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
SP
26
SurgoCap Partners
New York
$72M +$71.9M +376,869 New
Arrowstreet Capital
27
Arrowstreet Capital
Massachusetts
$71.8M +$5.07M +26,567 +8%
Ameriprise
28
Ameriprise
Minnesota
$71.7M +$1.78M +9,303 +3%
Natixis Advisors
29
Natixis Advisors
Massachusetts
$64.6M +$2.32M +12,151 +4%
UBS AM
30
UBS AM
Illinois
$61.5M -$15.5M -81,349 -20%
Bank of New York Mellon
31
Bank of New York Mellon
New York
$56.2M -$7.72M -40,466 -12%
Adage Capital Partners
32
Adage Capital Partners
Massachusetts
$55M -$8.59M -45,000 -14%
QCM
33
Quantinno Capital Management
New York
$53.9M +$26.3M +137,822 +96%
RRAM
34
River Road Asset Management
Kentucky
$53.5M -$7.57M -39,647 -12%
Northern Trust
35
Northern Trust
Illinois
$52.3M -$1M -5,263 -2%
Fidelity Investments
36
Fidelity Investments
Massachusetts
$51.9M -$9.4M -49,249 -15%
Schroder Investment Management Group
37
Schroder Investment Management Group
United Kingdom
$50.2M +$18.1M +94,857 +57%
Envestnet Asset Management
38
Envestnet Asset Management
Illinois
$49.5M -$6.41M -33,585 -11%
BNP Paribas Asset Management
39
BNP Paribas Asset Management
France
$47M +$18.1M +94,634 +63%
Two Sigma Investments
40
Two Sigma Investments
New York
$45.5M +$8.34M +43,695 +22%
Deutsche Bank
41
Deutsche Bank
Germany
$44M +$40.2M +210,421 +1,074%
Balyasny Asset Management
42
Balyasny Asset Management
Illinois
$40M +$15.2M +79,801 +62%
Principal Financial Group
43
Principal Financial Group
Iowa
$39.1M -$481K -2,520 -1%
Tudor Investment Corp
44
Tudor Investment Corp
Connecticut
$38.1M +$18.7M +98,238 +97%
Wells Fargo
45
Wells Fargo
California
$37.4M +$150K +785 +0.4%
CB
46
Cooke & Bieler
Pennsylvania
$37.1M +$742K +3,890 +2%
N
47
Nuveen
North Carolina
$36.8M -$6.28M -32,882 -15%
Qube Research & Technologies (QRT)
48
Qube Research & Technologies (QRT)
United Kingdom
$36M +$9.02M +47,262 +33%
American Century Companies
49
American Century Companies
Missouri
$35.8M -$9.08M -47,560 -20%
Amundi
50
Amundi
France
$35.2M +$18.4M +96,585 +110%