What does CUSIP 04247X102 represent in this 13F holders report?

CUSIP 04247X102 is the security identifier for AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock used to aggregate holder disclosures.

How many institutions held AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock in Q4 2017?

209 institutional investors reported AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI)

CUSIP: 04247X102

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 43,568,043
Total 13F shares: 54,236,808
Share change: -3,481,783
Total reported value: $3,284,452,914
Put/Call ratio: 14%
Price per share: $60.55
Number of holders: 209
Value change: -$167,374,623
Number of buys: 107
Number of sells: 85

Quarterly Holders Quick Answers

What is CUSIP 04247X102?
CUSIP 04247X102 identifies AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock in SEC institutional holdings data.

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Newer quarter: Q1 2018
Previous quarter: Q3 2017

Recent filing periods for CUSIP 04247X102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
ValueAct Holdings, L.P.	13F	Company	21%	9,202,612	$471,634,000	—	30 Sep 2017	13F
IRIDIAN ASSET MANAGEMENT LLC/CT	13F	Company	10%	4,457,812	$228,463,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	8.1%	3,542,646	$181,561,000	—	30 Sep 2017	13F
LONDON CO OF VIRGINIA	13F	Company	5.7%	2,467,757	$126,472,000	—	30 Sep 2017	13F
Stockbridge Partners LLC	13F	Company	5.1%	2,215,943	$113,567,000	—	30 Sep 2017	13F
FIDUCIARY MANAGEMENT INC /WI/	13F	Company	4.8%	2,071,579	$106,168,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	4.4%	1,912,329	$98,007,000	—	30 Sep 2017	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	4.2%	1,834,254	$94,006,000	—	30 Sep 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	4.2%	1,824,556	$93,508,000	—	30 Sep 2017	13F
TIGER GLOBAL MANAGEMENT LLC	13F	Company	4.1%	1,779,431	$91,196,000	—	30 Sep 2017	13F
Marble Arch Investments, LP	13F	Company	3.6%	1,563,000	$80,104,000	—	30 Sep 2017	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	3%	1,289,324	$66,078,000	—	30 Sep 2017	13F
BRIDGER MANAGEMENT, LLC	13F	Company	2.9%	1,251,456	$64,137,000	—	30 Sep 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.9%	1,247,094	$63,914,000	—	30 Sep 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	2.7%	1,197,061	$61,349,000	—	30 Sep 2017	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	2.5%	1,104,784	$56,620,000	—	30 Sep 2017	13F
First Eagle Investment Management, LLC	13F	Company	2.5%	1,102,533	$56,505,000	—	30 Sep 2017	13F
TIMUCUAN ASSET MANAGEMENT INC/FL	13F	Company	2.2%	945,626	$48,463,000	—	30 Sep 2017	13F
ADVISORY RESEARCH INC	13F	Company	2%	884,638	$45,337,000	—	30 Sep 2017	13F
MIG Capital, LLC	13F	Company	2%	868,100	$44,490,000	—	30 Sep 2017	13F
River Road Asset Management, LLC	13F	Company	1.9%	817,611	$41,903,000	—	30 Sep 2017	13F
FMR LLC	13F	Company	1.8%	788,001	$40,385,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.7%	751,046	$38,491,000	—	30 Sep 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	1.7%	719,566	$36,877,000	—	30 Sep 2017	13F
BECK MACK & OLIVER LLC	13F	Company	1.6%	704,033	$36,082,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	1.5%	670,518	$34,365,000	—	30 Sep 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.2%	527,110	$27,014,000	—	30 Sep 2017	13F
SAMLYN CAPITAL, LLC	13F	Company	1.2%	525,072	$26,910,000	—	30 Sep 2017	13F
INVESTMENT COUNSELORS OF MARYLAND LLC	13F	Company	1.1%	465,480	$23,856,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.1%	460,811	$23,616,000	—	30 Sep 2017	13F
LOOMIS SAYLES & CO L P	13F	Company	1%	457,409	$23,443,000	—	30 Sep 2017	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1%	444,542	$22,783,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.86%	375,591	$19,249,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.82%	355,528	$18,221,000	—	30 Sep 2017	13F
CREDIT SUISSE AG/	13F	Company	0.8%	348,162	$17,843,000	—	30 Sep 2017	13F
Sandhill Capital Partners LLC	13F	Company	0.69%	298,942	$15,321,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.68%	297,873	$15,267,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.66%	289,300	$14,827,000	—	30 Sep 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.63%	274,516	$14,069,000	—	30 Sep 2017	13F
NORGES BANK	13F	Company	0.58%	254,704	$13,053,000	—	30 Sep 2017	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.58%	251,502	$12,889,000	—	30 Sep 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.57%	250,298	$12,826,000	—	30 Sep 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.54%	234,643	$12,023,000	—	30 Sep 2017	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	0.53%	232,722	$11,927,000	—	30 Sep 2017	13F
13D Management LLC	13F	Company	0.51%	222,752	$11,416,000	—	30 Sep 2017	13F
CITADEL ADVISORS LLC	13F	Company	0.41%	179,609	$9,205,000	—	30 Sep 2017	13F
COMERICA BANK	13F	Company	0.4%	173,157	$8,796,000	—	30 Sep 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.38%	166,443	$8,530,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.38%	166,279	$8,522,000	—	30 Sep 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.37%	162,134	$8,309,000	—	30 Sep 2017	13F

Institutional Holders of ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) as of Q4 2017

As of 31 Dec 2017, ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI) was held by 209 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 54,236,808 shares. The largest 10 holders included ValueAct Holdings, L.P., IRIDIAN ASSET MANAGEMENT LLC/CT, Vanguard Group Inc, PRICE T ROWE ASSOCIATES INC /MD/, LONDON CO OF VIRGINIA, FIDUCIARY MANAGEMENT INC /WI/, BlackRock Inc., FULLER & THALER ASSET MANAGEMENT, INC., Gates Capital Management, Inc., and Balyasny Asset Management LLC. This page lists 209 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

173

Q4 2017 holders

209

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.