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Ironwood Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$359M +$3.21M +202,825 +0.9%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$312M -$22.1M -1,401,177 -6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$228M +$7.12M +450,349 +3%
BlackRock
4
BlackRock
New York
$225M +$7.41M +468,871 +3%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$165M -$42.4M -2,680,060 -20%
Janus Henderson Group
6
Janus Henderson Group
$147M -$1.53M -96,909 -1%
BCM
7
Brown Capital Management
Maryland
$119M +$2.72M +172,002 +2%
UBS AM
8
UBS AM
Illinois
$114M -$5.14M -325,402 -4%
State Street
9
State Street
Massachusetts
$100M -$2.21M -139,643 -2%
EC
10
EcoR1 Capital
California
$94.9M -$20.9M -1,323,488 -18%
SCM
11
Sarissa Capital Management
Connecticut
$62.2M
O
12
OrbiMed
New York
$54.1M
O
13
OppenheimerFunds
New York
$53M -$13.8K -871 -0%
Adage Capital Partners
14
Adage Capital Partners
Massachusetts
$43.8M +$9.44M +597,000 +27%
Capital World Investors
15
Capital World Investors
California
$37.5M
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$34.7M +$9.18M +580,974 +35%
Northern Trust
17
Northern Trust
Illinois
$31M +$703K +44,484 +2%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$28.9M +$2.65M +167,767 +10%
Loomis, Sayles & Company
19
Loomis, Sayles & Company
Massachusetts
$28.1M -$110K -6,936 -0.4%
New York State Common Retirement Fund
20
New York State Common Retirement Fund
New York
$27.5M +$624K +39,496 +2%
Norges Bank
21
Norges Bank
Norway
$26.6M +$6.12M +387,048 +29%
CS
22
Credit Suisse
Switzerland
$25.4M +$1.21M +76,552 +5%
PWAM
23
Park West Asset Management
California
$22.1M +$7.3M +462,082 +48%
BNP Paribas Asset Management
24
BNP Paribas Asset Management
France
$21.8M -$3.23M -204,316 -13%
Goldman Sachs
25
Goldman Sachs
New York
$21.1M +$3.88M +245,150 +22%