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Notable Holders of Iron Mountain, Inc. (IRM)

  |   Expand Research on IRM   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
DAVIS SELECTED ADVISERS COMMON 40,620,414 21.88% 13F
JANUS CAPITAL MANAGEMENT LLC COM 12,181,832 6.56% 13F
VANGUARD GROUP INC COM 10,250,521 5.52% 13F
Elliott Associates COM 9,977,876 5.38% 13F
BlackRock Institutional Trust Company, N.A. COM 4,616,763 2.49% 13F
PERRY CORP COM 4,505,000 2.43% 13F
PRINCIPAL FINANCIAL GROUP INC COM 3,982,430 2.15% 13F
Highfields Capital COM 3,908,402 2.11% 13F
Mason Capital COM 3,412,335 1.84% 13F
Neuberger Berman Group LLC COMMON STOCK 2,823,540 1.52% 13F
PARNASSUS INVESTMENTS /CA COMMON STOCK 2,435,000 1.31% 13F
NORTHERN TRUST CORP COM 2,122,316 1.14% 13F
Eton Park Capital Management, L.P. COM 2,063,000 1.11% 13F
BlackRock Fund Advisors COM 1,899,870 1.02% 13F
Breeden Capital Management LLC COM 1,871,600 1.01% 13F
AMERIPRISE FINANCIAL INC COM 1,530,668 0.82% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM 1,323,454 0.71% 13F
GEODE CAPITAL MANAGEMENT LLC COM 1,164,199 0.63% 13F
BlackRock Group LTD COM 1,121,885 0.60% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 1,082,224 0.58% 13F
Mitsubishi UFJ Trust & Banking Corp COM 1,051,645 0.57% 13F
Invesco Ltd. COMMON 920,880 0.50% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM 920,589 0.50% 13F
LEGAL & GENERAL GROUP PLC COM 828,159 0.45% 13F
RoundKeep Capital Advisors LLC COM 806,600 0.43% 13F
River Road Asset Management, LLC COM 802,638 0.43% 13F
Goldman Sachs Asset Management, L.P. CMN 797,152 0.43% 13F
NEW YORK STATE COMMON RETIREMENT FUND COMMON STOCK 786,691 0.42% 13F
VERTEX ONE ASSET MANAGEMENT INC. COM 722,000 0.39% 13F
RiverFront Investment Group, LLC COM 710,414 0.38% 13F
UBS AG COM 622,479 0.34% 13F
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO COM 613,744 0.33% 13F
MORGAN STANLEY COM 596,752 0.32% 13F
Sumitomo Mitsui Trust Holdings, Inc. COM 582,097 0.31% 13F
BlackRock Investment Management, LLC COM 575,026 0.31% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * IRON MTN INC COM 539,589 0.29% 13F
GW CAPITAL INC COM 535,858 0.29% 13F
STATE OF WISCONSIN INVESTMENT BOARD COM 525,517 0.28% 13F
Adage Capital COM 473,591 0.26% 13F
BLACKROCK ADVISORS LLC COM 466,853 0.25% 13F
DIMENSIONAL FUND ADVISORS LP COM 456,987 0.25% 13F
International Value Advisers, LLC COM 454,510 0.24% 13F
SNYDER CAPITAL MANAGEMENT L P COM 453,522 0.24% 13F
BLAIR WILLIAM & CO/IL COM 427,381 0.23% 13F
DIAMONDBACK CAPITAL MANAGEMENT, LLC COM 398,674 0.21% 13F
BlueMountain Capital Management, LLC COM 373,888 0.20% 13F
NEW YORK STATE TEACHERS RETIREMENT SYSTEM COM 343,909 0.19% 13F
Force Capital Management LLC COM 339,000 0.18% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM 325,644 0.18% 13F
JET CAPITAL INVESTORS L P (CALL) 300,000 0.16% 13F
WELLS FARGO & CO/MN EQUITY 293,865 0.16% 13F
Mizuho Trust & Banking Co., Ltd. COM 290,279 0.16% 13F
KEELEY ASSET MANAGEMENT CORP COM 275,412 0.15% 13F
CITY NATIONAL BANK COMMON STOCK 264,992 0.14% 13F
BlackRock Japan Co. Ltd COM 257,783 0.14% 13F
DEUTSCHE BANK AG\ COM 249,139 0.13% 13F
LOCUST WOOD CAPITAL ADVISERS, LLC COM 240,000 0.13% 13F
MASON STREET ADVISORS LLC COM 238,650 0.13% 13F
BlackRock Inc. COM 216,306 0.12% 13F
CREDIT SUISSE AG/ COM 207,367 0.11% 13F
Marble Harbor Investment Counsel, LLC Common 207,058 0.11% 13F
Spot Trading L.L.C (CALL) COM 204,600 0.11% 13F
Manulife Asset Management (North America) Ltd COM 194,709 0.10% 13F
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC COMMON 181,700 0.10% 13F
GUGGENHEIM CAPITAL LLC COM 175,813 0.09% 13F
BARCLAYS PLC COM 175,021 0.09% 13F
BISLETT MANAGEMENT, LLC COM 175,000 0.09% 13F
ING INVESTMENT MANAGEMENT CO COM 167,963 0.09% 13F
CAXTON ASSOCIATES LP COM 167,742 0.09% 13F
CITIGROUP INC (CALL) COM 165,000 0.09% 13F
JPMORGAN CHASE & CO COMMON 147,505 0.08% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 144,667 0.08% 13F
MADISON SQUARE INVESTORS LLC. COM 133,052 0.07% 13F
NATIXIS ASSET MANAGEMENT ADVISORS, L.P. COM 127,288 0.07% 13F
SG Americas Securities, LLC 122,162 0.07% 13F
BROWN CAPITAL MANAGEMENT LLC COM 114,972 0.06% 13F
RAYMOND JAMES & ASSOCIATES COM 108,379 0.06% 13F
DUPONT CAPITAL MANAGEMENT Corp COMMON STOCK 105,600 0.06% 13F
COMERICA BANK COM 102,723 0.06% 13F
TEACHERS ADVISORS INC COM 97,235 0.05% 13F
FIRST TRUST ADVISORS LP COM 96,417 0.05% 13F
AMERICAN INTERNATIONAL GROUP INC COM 94,002 0.05% 13F
OXFORD ASSET MANAGEMENT COM 91,879 0.05% 13F
MANUFACTURERES LIFE INSURANCE CO COM 91,516 0.05% 13F
STATE TREASURER STATE OF MICHIGAN COM 91,241 0.05% 13F
TD ASSET MANAGEMENT INC COM 91,150 0.05% 13F
HOLLAND CAPITAL MANAGEMENT LLC 86,600 0.05% 13F
CONGRESS ASSET MANAGEMENT CO /MA COM 75,547 0.04% 13F
PUBLIC SECTOR PENSION INVESTMENT BOARD COMMON 74,907 0.04% 13F
Irish Life Investment Managers COM 71,495 0.04% 13F
Fidelity Investments COM 69,128 0.04% 13F
PEAK6 Investments, L.P. COM 68,800 0.04% 13F
UNITED SERVICES AUTOMOBILE ASSOCIATION COMMON 68,774 0.04% 13F
Permit Capital, LLC COM 66,545 0.04% 13F
Goodman & Company, Investment Counsel Ltd. COM 66,300 0.04% 13F
Aston Asset Management, LP COM 65,078 0.04% 13F
JENNISON ASSOCIATES LLC COM 64,050 0.03% 13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 63,922 0.03% 13F
EULAV ASSET MANAGEMENT, LLC COM 62,800 0.03% 13F
ROYAL BANK OF CANADA \ COM 62,738 0.03% 13F
SHELL ASSET MANAGEMENT CO COM 60,707 0.03% 13F
SUNTRUST BANKS INC 58,915 0.03% 13F
RUSSELL FRANK CO/ COMMON STOCKS 57,359 0.03% 13F
Timber Hill LLC (CALL) CALL 56,100 0.03% 13F
Citadel (CALL) CMN 52,800 0.03% 13F
BMO FINANCIAL CORP COM 44,709 0.02% 13F
CREDIT AGRICOLE S A COM 43,194 0.02% 13F
Xaraf Management LLC (PUT) COM 42,000 0.02% 13F
Employees Retirement System of Texas COM 41,000 0.02% 13F
World Asset Management Inc COM 40,926 0.02% 13F
MACKENZIE FINANCIAL CORP IRON MTN INC CO 40,456 0.02% 13F
Wellington COM 40,000 0.02% 13F
ROYAL BANK OF SCOTLAND GROUP PLC COM 38,976 0.02% 13F
Horizon Kinetics LLC 37,147 0.02% 13F
BNP Paribas Investment Partners S.A. COM 36,832 0.02% 13F
ROYAL LONDON ASSET MANAGEMENT LTD COM 35,506 0.02% 13F
DIAM Co., Ltd. COM 35,165 0.02% 13F
KING LUTHER CAPITAL MANAGEMENT CORP COM 34,537 0.02% 13F
ORLEANS CAPITAL MANAGEMENT CORP/LA COM 33,757 0.02% 13F
SAC Capital COMMON 33,297 0.02% 13F
OMERS ADMINISTRATION CORP COM 31,250 0.02% 13F
CIBC Global Asset Management Inc COM 31,182 0.02% 13F
GARRISON BRADFORD & ASSOCIATES INC COM 28,355 0.02% 13F
FIDUCIARY TRUST CO COMMON 27,137 0.01% 13F
NOMURA ASSET MANAGEMENT CO LTD 27,012 0.01% 13F
Walleye Trading LLC (CALL) COM 26,500 0.01% 13F
GREAT WEST LIFE ASSURANCE CO /CAN/ COM 24,318 0.01% 13F
ALLSTATE CORP COMMON 22,480 0.01% 13F
Portland Global Advisors LLC COM 21,870 0.01% 13F
Stephens Investment Management Group LLC COM 21,076 0.01% 13F
Numeric Investors LLC COMM 20,200 0.01% 13F
GAM Holding Ltd. 19,000 0.01% 13F
TRUSTMARK NATIONAL BANK TRUST DEPARTMENT COMMON STOCK 18,800 0.01% 13F