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Iron Mountain Inc New
Iron Mountain Inc New . Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 379 Institutional holders with a total value of $6,215,316,009.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Capital World Investors 23,273,014 759,864,000 12.23%
2 HIGHFIELDS CAPITAL MANAGEMENT LP 15,371,726 501,887,000 8.08%
3 VANGUARD GROUP INC 12,808,748 418,206,000 6.73%
4 PARNASSUS INVESTMENTS, LLC 9,277,250 302,902,000 4.87%
5 SCHOONER CAPITAL CORP 8,251,277 269,404,000 4.33%
6 STATE STREET CORP 7,552,350 246,583,000 3.97%
7 PRICE T ROWE ASSOCIATES INC /MD/ 6,795,462 221,872,000 3.57%
8 Capital International Investors 5,188,584 169,407,000 2.73%
9 BlackRock Institutional Trust Company, N.A. 4,559,424 148,865,000 2.40%
10 River Road Asset Management, LLC 4,420,561 144,331,000 2.32%
11 CAPITAL GUARDIAN TRUST CO 4,389,986 143,333,000 2.31%
12 Owl Creek Asset Management, L.P. 4,204,072 137,263,000 2.21%
13 Bank of New York Mellon Corp 3,807,921 124,328,000 2.00%
14 WASATCH ADVISORS LP 3,416,176 111,538,000 1.79%
15 BlackRock Fund Advisors 3,236,682 105,678,000 1.70%
16 BROOKFIELD Corp /ON/ 3,228,388 105,406,000 1.70%
17 RS INVESTMENT MANAGEMENT CO LLC 2,909,848 95,007,000 1.53%
18 NORTHERN TRUST CORP 2,722,507 88,890,000 1.43%
19 MUNDER CAPITAL MANAGEMENT 2,344,418 76,545,000 1.23%
20 Invesco Ltd. 2,245,641 73,320,000 1.18%
21 Makaira Partners LLC 1,934,151 63,150,000 1.02% SH
22 FMR LLC 1,917,137 62,595,000 1.01%
23 Allianz Asset Management GmbH 1,853,750 60,525,000 0.97%
24 JET CAPITAL INVESTORS L P 1,657,800 54,127,000 0.87% Put
25 ELLIOTT MANAGEMENT CORP 1,600,643 52,261,000 0.84%
26 NORGES BANK 1,419,468 46,346,000 0.75%
27 MORGAN STANLEY 1,258,691 41,098,000 0.66%
28 WELCH & FORBES LLC 1,248,582 40,766,000 0.66%
29 GEODE CAPITAL MANAGEMENT, LLC 1,240,804 40,460,000 0.65%
30 BlackRock Group LTD 1,156,668 37,765,000 0.61%
31 CONFLUENCE INVESTMENT MANAGEMENT LLC 1,067,259 34,846,000 0.56%
32 PICTET ASSET MANAGEMENT LTD 1,019,721 33,294,000 0.54%
33 GOLDMAN SACHS GROUP INC 1,005,797 32,839,000 0.53%
34 Stonerise Capital Management, LLC 1,000,000 32,650,000 0.53%
35 TOBAM 989,477 32,306,000 0.52%
36 COLRAIN CAPITAL LLC 960,520 31,361,000 0.50%
37 GW CAPITAL INC 914,664 29,864,000 0.48%
38 Jefferies Group LLC 909,100 29,682,000 0.48% Call
39 RAYMOND JAMES & ASSOCIATES 836,760 27,320,000 0.44%
40 Legal & General Group Plc 780,653 25,490,000 0.41%
41 BLAIR WILLIAM & CO/IL 740,147 24,165,000 0.39%
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 682,200 22,274,000 0.36% Put
43 DIMENSIONAL FUND ADVISORS LP 679,493 22,190,000 0.36%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 656,774 21,444,000 0.35%
45 FIRST TRUST ADVISORS LP 607,922 19,849,000 0.32%
46 NEW YORK STATE COMMON RETIREMENT FUND 591,825 19,323,000 0.31%
47 GUGGENHEIM CAPITAL LLC 585,224 19,108,000 0.31%
48 BARCLAYS PLC 588,146 18,824,000 0.30%
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 568,125 18,550,000 0.30%
50 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 548,178 17,898,000 0.29%
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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.