IRON MTN INC NEW

Ticker: IRM CUSIP: 46284V101 Class: COM

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
VANGUARD GROUP INC46,627,483$3,867,750
BlackRock, Inc.32,919,658$2,730,686
COHEN & STEERS, INC.18,903,716$1,568
STATE STREET CORP16,888,798$1,415,002
GEODE CAPITAL MANAGEMENT, LLC8,292,653$685,374
FMR LLC7,984,304$662,298
NORGES BANK4,447,133$368,890
DIMENSIONAL FUND ADVISORS LP4,429,359$367,418
Invesco Ltd.4,417,367$366,421
PRINCIPAL FINANCIAL GROUP INC4,207,596$349,021
NORTHERN TRUST CORP4,152,569$344,456
CHARLES SCHWAB INVESTMENT MANAGEMENT INC3,880,275$321,869
Daiwa Securities Group Inc.3,654,086$303
MORGAN STANLEY3,598,973$298,535
Legal & General Group Plc3,356,420$278,415
Contour Asset Management LLC2,832,182$234,929
CENTERSQUARE INVESTMENT MANAGEMENT LLC2,631,453$218,279
DEUTSCHE BANK AG\2,541,992$210,858
PRUDENTIAL FINANCIAL INC2,310,481$191,654
Pictet Asset Management Holding SA2,295,965$190,434
Nuveen, LLC2,127,931$176,512
Capital World Investors2,117,169$175,619
JPMORGAN CHASE & CO1,927,935$159,922
AMERIPRISE FINANCIAL INC1,744,405$142,473
Vontobel Holding Ltd.1,689,246$140,123
Bank of New York Mellon Corp1,685,978$139,852
PGGM Investments1,657,159$137
DUFF & PHELPS INVESTMENT MANAGEMENT CO1,580,452$131,098
GOLDMAN SACHS GROUP INC1,525,240$126,519
BANK OF AMERICA CORP /DE/1,510,345$125,283
CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC1,446,597$119,995
Russell Investments Group, Ltd.1,405,760$116,627
Amundi1,333,693$110,630
ROYAL BANK OF CANADA1,285,871$106,663
DekaBank Deutsche Girozentrale1,122,500$96
CITADEL ADVISORS LLC1,119,371$92,852
HSBC HOLDINGS PLC1,055,775$87,577
SEI INVESTMENTS CO1,024,664$84,996
AQR CAPITAL MANAGEMENT LLC923,196$76,579
Sumitomo Mitsui Trust Holdings, Inc.906,888$75,226
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.839,566$69,885
Swiss National Bank809,261$67,128
UBS Group AG795,908$66,021
Point72 Asset Management, L.P.790,504$65,572
BARCLAYS PLC728,857$60,459
CIBC Private Wealth Group, LLC677,651$56,211
ADAGE CAPITAL PARTNERS GP, L.L.C.656,852$54,486
WELCH & FORBES LLC656,364$54,445
WELLS FARGO & COMPANY/MN637,272$52,862
LPL Financial LLC634,799$52,657
Epoch Investment Partners, Inc.629,854$52,246
Universal- Beteiligungs- und Servicegesellschaft mbH625,444$52,006
PRICE T ROWE ASSOCIATES INC /MD/606,859$50
RHUMBLINE ADVISERS590,540$48,985
APG Asset Management US Inc.582,174$48,291
BNP PARIBAS ARBITRAGE, SA562,253$46,639
Asset Management One Co., Ltd.555,974$45,941
ALLIANCEBERNSTEIN L.P.544,810$45,192
NOMURA ASSET MANAGEMENT CO LTD544,483$45,165
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM513,555$42,599
National Pension Service509,020$42,223
Border to Coast Pensions Partnership Ltd500,000$42
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt495,760$41,123
Heitman Real Estate Securities LLC490,548$40,691
MILLENNIUM MANAGEMENT LLC489,014$40,564
BANK OF MONTREAL /CAN/436,345$36,195
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM434,105$36,009
NEUBERGER BERMAN GROUP LLC431,386$35,783
STRS OHIO414,128$34,352
Rockefeller Capital Management L.P.403,992$33,607
AMERICAN CENTURY COMPANIES INC395,893$32,839
RAYMOND JAMES FINANCIAL INC366,309$30,385
abrdn plc364,889$30,268
Adelante Capital Management LLC339,227$28,139
GREAT WEST LIFE ASSURANCE CO /CAN/336,935$28
TEACHER RETIREMENT SYSTEM OF TEXAS333,971$27,703
CITIGROUP INC318,601$26,428
ADELL HARRIMAN & CARPENTER INC314,617$26,097
Marble Harbor Investment Counsel, LLC314,020$26,048
MACQUARIE GROUP LTD292,992$24,304
TWO SIGMA INVESTMENTS, LP290,160$24,069
Swedbank AB284,858$23,629
Apollo Management Holdings, L.P.265,539$22,026
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM262,515$21,776
Corient Private Wealth LLC262,254$17,518
AVIVA PLC256,125$21,246
CAPTRUST FINANCIAL ADVISORS255,142$21,164
Cetera Investment Advisers248,597$20,621
Americana Partners, LLC241,349$20,020
BLAIR WILLIAM & CO/IL238,285$19,766
Brookstone Capital Management235,933$19,571
Retirement Systems of Alabama228,071$18,918
NEW YORK STATE TEACHERS RETIREMENT SYSTEM227,876$19
STIFEL FINANCIAL CORP227,234$18,849
Pacer Advisors, Inc.223,367$18,528
Focus Partners Wealth217,915$18,296
REGIONS FINANCIAL CORP214,642$17,805
Schonfeld Strategic Advisors LLC209,300$17,361
Verition Fund Management LLC208,951$17,332
CIBC WORLD MARKET INC.208,036$17,257
885 other institutions21,363,915$1,587,080
Total (985 institutions)256,697,434$18,875,458