Security key
04247X102
ARMSTRONG WORLD INDUSTRIES INC - Common Stock (AWI)
CUSIP: 04247X102
Q3 2017 13F Holders as of 30 Sep 2017
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 57,712,675
- Total 13F value
- $2,957,702,230
- Share change
- -1,576,748
- Put/Call ratio
- 54%
- SEC-reported price per share
- $51.25
- Number of holders
- 173
- Value change
- -$79,061,239
- Number of buys
- 83
- Number of sells
- 76
- Shares outstanding
- 43,450,667
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2017
Institutions
173
Top holders
10
AWI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2017
Previous quarter: Q2 2017
ARMSTRONG WORLD INDUSTRIES INC SEC filings
ARMSTRONG WORLD INDUSTRIES INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04247X102
Recent filing periods:
Ownership snapshot
Top reported holders of AWI - ARMSTRONG WORLD INDUSTRIES INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ValueAct Holdings, L.P.
Disclosed value leader
ValueAct Holdings, L.P.
Comparable rows
15/15
Latest evidence
30 Jun 2017
13F
Lead comparable stake: 21%
Showing 1-6 of 15 holder rows.
Quick read
ValueAct Holdings, L.P. leads the comparable SEC ownership view at 21%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ValueAct Holdings, L.P.'s linked filing trail.
Comparable ownership
Top 5
ValueAct Holdings, L.P.
21%
IRIDIAN ASSET MANAGEMENT LLC/CT
11%
VANGUARD GROUP INC
8%
LONDON CO OF VIRGINIA
6.8%
Stockbridge Partners LLC
6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ValueAct Holdings, L.P. |
13F
Company
|
21%
|
$423,200,000
9,200,000 shares
|
— | 30 Jun 2017 |
| IRIDIAN ASSET MANAGEMENT LLC/CT |
13F
Company
|
11%
|
$218,531,000
4,750,675 shares
|
— | 30 Jun 2017 |
| VANGUARD GROUP INC |
13F
Company
|
8%
|
$160,614,000
3,491,622 shares
|
— | 30 Jun 2017 |
| LONDON CO OF VIRGINIA |
13F
Company
|
6.8%
|
$136,213,000
2,961,146 shares
|
— | 30 Jun 2017 |
| Stockbridge Partners LLC |
13F
Company
|
6%
|
$120,218,000
2,613,441 shares
|
— | 30 Jun 2017 |
| FIDUCIARY MANAGEMENT INC /WI/ |
13F
Company
|
4.3%
|
$86,511,000
1,880,684 shares
|
— | 30 Jun 2017 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
173
Shares
57,712,675
Rows available
173
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2017 vs Q2 2017 Across Filers
Q2 2017 holders
165
Q3 2017 holders
173
Holder diff
8
| Investor | Q2 2017 Shares | Q3 2017 Shares | Share Diff | Share Chg % | Q2 2017 value | Q3 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend