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Ironwood Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$289M -$38.5K -3,490 -0%
BCM
2
Brown Capital Management
Maryland
$238M -$328K -29,728 -0.2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$221M -$1.17M -106,232 -0.6%
BlackRock
4
BlackRock
New York
$180M +$948K +85,962 +0.6%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$144M -$6.8M -616,439 -5%
SCM
6
Sarissa Capital Management
Connecticut
$137M +$2.25M +204,000 +2%
UBS AM
7
UBS AM
Illinois
$116M -$21.1M -1,913,331 -18%
Janus Henderson Group
8
Janus Henderson Group
$110M +$9.8M +888,863 +12%
MP
9
MFN Partners
Massachusetts
$85.7M
State Street
10
State Street
Massachusetts
$76.9M -$577K -52,328 -0.9%
EC
11
EcoR1 Capital
California
$58.2M -$3.31M -300,000 -6%
CS
12
Credit Suisse
Switzerland
$40.8M -$2.69M -243,779 -7%
Norges Bank
13
Norges Bank
Norway
$34.3M
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$32.4M -$942K -85,393 -3%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$29.2M +$365K +33,084 +2%
New York State Common Retirement Fund
16
New York State Common Retirement Fund
New York
$27.2M -$227K -20,600 -1%
Capital World Investors
17
Capital World Investors
California
$27M
Northern Trust
18
Northern Trust
Illinois
$26.6M +$477K +43,271 +2%
BNP Paribas Asset Management
19
BNP Paribas Asset Management
France
$25.3M +$5.64M +511,860 +37%
Two Sigma Investments
20
Two Sigma Investments
New York
$19.8M +$11M +995,225 +201%
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$19.5M +$8.79M +797,330 +119%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$18.3M +$7.72M +700,000 +104%
Goldman Sachs
23
Goldman Sachs
New York
$18M +$3.49M +316,575 +31%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$17.8M +$11.2M +1,018,100 +318%
Citadel Advisors
25
Citadel Advisors
Florida
$17.5M -$14M -1,266,004 -49%