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Ironwood Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$203M +$1.59M +138,747 +0.6%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$151M -$31.5M -2,744,986 -14%
Vanguard Group
3
Vanguard Group
Pennsylvania
$138M +$14.2M +1,236,506 +8%
BlackRock
4
BlackRock
New York
$128M +$1.63M +141,992 +1%
BCM
5
Brown Capital Management
Maryland
$105M +$50.4M +4,393,705 +57%
UBS AM
6
UBS AM
Illinois
$76.4M +$16.2M +1,413,768 +19%
Janus Henderson Group
7
Janus Henderson Group
$68.9M -$18.3M -1,590,371 -17%
SCM
8
Sarissa Capital Management
Connecticut
$64.8M +$39.5M +3,444,929 +86%
EC
9
EcoR1 Capital
California
$55.8M +$3.28M +286,152 +5%
State Street
10
State Street
Massachusetts
$55.4M -$956K -83,275 -1%
MP
11
MFN Partners
Massachusetts
$51.2M +$67.7M +5,897,812 New
BM
12
Bridger Management
New York
$43.3M +$48.8M +4,250,641 +572%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$32M -$79.9M -6,964,363 -65%
O
14
OrbiMed
New York
$29.8M -$702K -61,193 -2%
Capital World Investors
15
Capital World Investors
California
$21M
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$20.5M +$1.32M +114,708 +5%
Norges Bank
17
Norges Bank
Norway
$19.6M +$6.12M +533,497 +31%
Adage Capital Partners
18
Adage Capital Partners
Massachusetts
$19.4M -$6.85M -597,000 -21%
Northern Trust
19
Northern Trust
Illinois
$17.7M +$452K +39,410 +2%
Goldman Sachs
20
Goldman Sachs
New York
$17.6M +$7.6M +662,469 +49%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$17.2M +$1.29M +112,777 +6%
CS
22
Credit Suisse
Switzerland
$16.5M +$2.91M +253,291 +15%
Citadel Advisors
23
Citadel Advisors
Florida
$15.5M +$14.3M +1,247,315 +230%
New York State Common Retirement Fund
24
New York State Common Retirement Fund
New York
$14.3M -$1.5M -130,754 -7%
Millennium Management
25
Millennium Management
New York
$14.2M +$15.2M +1,327,506 +426%