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Ironwood Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$187M -$5.26K -541 -0%
BCM
2
Brown Capital Management
Maryland
$154M +$54.4M +5,600,891 +45%
Vanguard Group
3
Vanguard Group
Pennsylvania
$144M +$11.1M +1,139,016 +7%
BlackRock
4
BlackRock
New York
$116M +$7.05M +725,264 +6%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$98.1M -$23.4M -2,405,546 -17%
UBS AM
6
UBS AM
Illinois
$91.5M +$4.46M +458,799 +4%
SCM
7
Sarissa Capital Management
Connecticut
$86.7M +$3.74M +385,000 +4%
Janus Henderson Group
8
Janus Henderson Group
$63.5M -$1.01M -104,261 -1%
MP
9
MFN Partners
Massachusetts
$55.3M +$14.6M +1,500,000 +30%
State Street
10
State Street
Massachusetts
$50M -$3.02M -310,639 -5%
EC
11
EcoR1 Capital
California
$40.1M
CS
12
Credit Suisse
Switzerland
$28.4M +$13.5M +1,385,005 +72%
Citadel Advisors
13
Citadel Advisors
Florida
$22.1M -$15.3M -1,573,393 -38%
Norges Bank
14
Norges Bank
Norway
$22.1M +$1.42M +145,882 +6%
Westfield Capital Management
15
Westfield Capital Management
Massachusetts
$21.7M +$1.26M +129,715 +5%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$18.6M +$359K +36,904 +2%
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$17.7M +$50.7K +5,213 +0.3%
Capital World Investors
18
Capital World Investors
California
$17.4M
Northern Trust
19
Northern Trust
Illinois
$16.8M +$1.65M +169,902 +10%
BNP Paribas Asset Management
20
BNP Paribas Asset Management
France
$12M +$5.38M +553,859 +66%
PCM
21
Peregrine Capital Management
Minnesota
$10.9M +$407K +41,908 +3%
TRSOTSOK
22
Teachers Retirement System of the State of Kentucky
Kentucky
$10.2M +$3.64M +374,900 +46%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$10.1M +$164K +16,838 +1%
Marshall Wace
24
Marshall Wace
United Kingdom
$9.47M +$9.96M +1,024,762 +1,309%
Goldman Sachs
25
Goldman Sachs
New York
$8.86M +$2.25M +231,208 +29%