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Iron Mountain

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$832M +$44.4M +1,515,161 +5%
Capital World Investors
2
Capital World Investors
California
$598M -$38.1M -1,298,878 -6%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$401M -$19.8M -675,199 -4%
Parnassus Investments
4
Parnassus Investments
California
$321M +$353K +12,047 +0.1%
Capital International Investors
5
Capital International Investors
California
$297M +$46.1M +1,572,201 +17%
State Street
6
State Street
Massachusetts
$226M +$5.66M +192,920 +2%
SC
7
Schooner Capital
Florida
$225M
EIP
8
Epoch Investment Partners
New York
$222M -$6.65M -226,584 -3%
BIT
9
BlackRock Institutional Trust
California
$174M -$2M -68,288 -1%
RRAM
10
River Road Asset Management
Kentucky
$112M -$9.23M -314,573 -7%
BFA
11
BlackRock Fund Advisors
California
$111M +$6.14M +209,473 +5%
CGT
12
Capital Guardian Trust
California
$94.6M +$25.9M +884,138 +34%
SF
13
Schooner Foundation
Massachusetts
$91.1M
MP
14
Makaira Partners
California
$81.1M +$11.3M +385,587 +15%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$66.9M +$19.7M +670,436 +37%
Northern Trust
16
Northern Trust
Illinois
$58.2M -$7.23M -246,457 -10%
Janus Henderson Group
17
Janus Henderson Group
$57.6M +$16M +545,379 +34%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$57.5M +$1.11M +37,700 +2%
RJA
19
Raymond James & Associates
Florida
$55.5M -$5.44M -185,378 -8%
RIM
20
RS Investment Management
California
$52M -$212K -7,235 -0.4%
UIC
21
Uniplan Investment Counsel
Wisconsin
$47.3M -$2.32M -79,099 -4%
Allianz Asset Management
22
Allianz Asset Management
Germany
$47.3M +$51.3M +1,750,337 New
Geode Capital Management
23
Geode Capital Management
Massachusetts
$42.5M -$3.16M -107,745 -6%
BG
24
BlackRock Group
United Kingdom
$37.8M +$516K +17,586 +1%
Deutsche Bank
25
Deutsche Bank
Germany
$37.8M +$367K +12,503 +0.9%