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ARMSTRONG WORLD INDS INC NEW COM
ARMSTRONG WORLD INDS INC NEW COM. Institutional holdings reported to the SEC.

Institutional Holders (2017Q1)
Portfolio Summary: 186 Institutional holders with a total value of $2,593,184,115.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ValueAct Holdings, L.P. 9,200,000 423,660,000 16.34%
2 IRIDIAN ASSET MANAGEMENT LLC/CT 4,413,715 203,252,000 7.84%
3 VANGUARD GROUP INC 3,440,487 158,435,000 6.11%
4 Stockbridge Partners LLC 3,193,845 147,077,000 5.67%
5 LONDON CO OF VIRGINIA 2,864,391 131,905,000 5.09%
6 BlackRock Finance, Inc. 1,922,722 88,541,000 3.41%
7 FULLER & THALER ASSET MANAGEMENT, INC. 1,816,484 83,649,000 3.23%
8 PRICE T ROWE ASSOCIATES INC /MD/ 1,807,199 83,222,000 3.21%
9 Marble Arch Investments, LP 1,750,000 80,588,000 3.11%
10 TIGER GLOBAL MANAGEMENT LLC 1,645,000 75,752,000 2.92%
11 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,522,337 70,104,000 2.70%
12 ADVISORY RESEARCH INC 1,274,398 58,686,000 2.26%
13 BRIDGER MANAGEMENT, LLC 1,251,456 57,630,000 2.22%
14 First Eagle Investment Management, LLC 1,209,161 55,682,000 2.15%
15 DIMENSIONAL FUND ADVISORS LP 1,197,713 55,153,000 2.13%
16 BALYASNY ASSET MANAGEMENT L.P. 1,116,633 51,421,000 1.98%
17 D. E. Shaw & Co., Inc. 995,573 45,846,000 1.77%
18 STATE STREET CORP 982,659 45,254,000 1.75%
19 SAMLYN CAPITAL, LLC 939,163 43,249,000 1.67%
20 FMR LLC 834,283 38,419,000 1.48%
21 ADAGE CAPITAL PARTNERS GP, L.L.C. 650,000 29,933,000 1.15%
22 GOLDMAN SACHS GROUP INC 588,468 27,099,000 1.05%
23 MIG Capital, LLC 572,058 26,343,000 1.02%
24 LOOMIS SAYLES & CO L P 518,563 23,880,000 0.92%
25 BANK OF AMERICA CORP /DE/ 504,253 23,222,000 0.90%
26 MILLENNIUM MANAGEMENT LLC 503,905 23,205,000 0.89%
27 WELLINGTON MANAGEMENT GROUP LLP 490,177 22,573,000 0.87%
28 INVESTMENT COUNSELORS OF MARYLAND LLC 488,000 22,472,000 0.87%
29 TWO SIGMA INVESTMENTS, LP 406,259 18,708,000 0.72%
30 GEODE CAPITAL MANAGEMENT, LLC 383,008 17,637,000 0.68%
31 Point72 Asset Management, L.P. 320,400 14,754,000 0.57%
32 DEUTSCHE BANK AG\ 320,317 14,749,000 0.57%
33 NORGES BANK 310,666 14,307,000 0.55%
34 RENAISSANCE TECHNOLOGIES LLC 300,800 13,852,000 0.53%
35 Sandhill Capital Partners LLC 281,437 12,960,000 0.50%
36 NEW YORK STATE COMMON RETIREMENT FUND 265,682 12,235,000 0.47%
37 FRONTIER CAPITAL MANAGEMENT CO LLC 257,591 11,862,000 0.46%
38 NORTHERN TRUST CORP 242,864 11,184,000 0.43%
39 COMERICA BANK 222,018 10,546,000 0.41%
40 PARAMETRIC PORTFOLIO ASSOCIATES LLC 222,635 10,252,000 0.40%
41 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 216,500 9,970,000 0.38%
42 CREDIT SUISSE AG/ 209,594 9,652,000 0.37%
43 13D Management LLC 207,505 9,556,000 0.37%
44 Laurion Capital Management LP 188,181 8,666,000 0.33%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 179,704 8,276,000 0.32%
46 RUSSELL INVESTMENTS GROUP, LTD. 177,895 8,191,000 0.32%
47 Bank of New York Mellon Corp 160,577 7,395,000 0.29%
48 HighVista Strategies LLC 159,600 7,350,000 0.28%
49 PRUDENTIAL FINANCIAL INC 158,982 7,321,000 0.28%
50 TWO SIGMA ADVISERS, LP 149,853 6,901,000 0.27%
Page 1 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.