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Ironwood Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$284M +$633K +48,487 +0.2%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$268M +$14.1M +1,078,471 +5%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$265M -$13.7M -1,051,310 -5%
BlackRock
4
BlackRock
New York
$175M -$2.66M -204,002 -1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$169M +$4.04M +309,327 +2%
Janus Henderson Group
6
Janus Henderson Group
$125M +$5.72M +437,581 +5%
UBS AM
7
UBS AM
Illinois
$95.3M -$762K -58,333 -0.8%
BCM
8
Brown Capital Management
Maryland
$93.9M +$721K +55,222 +0.7%
EC
9
EcoR1 Capital
California
$88.2M +$6.64M +508,644 +8%
State Street
10
State Street
Massachusetts
$72.4M +$4.42M +338,282 +6%
O
11
OrbiMed
New York
$67.8M -$19.2M -1,473,396 -21%
PAMU
12
Pictet Asset Management (UK)
United Kingdom
$44.8M +$5.69M +435,527 +14%
Norges Bank
13
Norges Bank
Norway
$35.2M +$5.26M +402,386 +17%
Adage Capital Partners
14
Adage Capital Partners
Massachusetts
$28.2M -$15.8M -1,213,351 -35%
BNP Paribas Asset Management
15
BNP Paribas Asset Management
France
$27.4M +$216K +16,550 +0.8%
SCM
16
Sarissa Capital Management
Connecticut
$24.7M +$25.7M +1,970,100 New
Loomis, Sayles & Company
17
Loomis, Sayles & Company
Massachusetts
$23.7M +$443K +33,939 +2%
CS
18
Credit Suisse
Switzerland
$23.5M -$705 -54 -0%
Northern Trust
19
Northern Trust
Illinois
$23.3M -$701K -53,645 -3%
SAM
20
Senzar Asset Management
New York
$21.7M +$14.7M +1,124,509 +186%
New York State Common Retirement Fund
21
New York State Common Retirement Fund
New York
$21.1M +$74.8K +5,729 +0.3%
Capital World Investors
22
Capital World Investors
California
$19.9M
Geode Capital Management
23
Geode Capital Management
Massachusetts
$18.6M +$482K +36,896 +3%
RCAMU
24
Rothschild & Co Asset Management US
Connecticut
$18.4M -$596K -45,656 -3%
SGA
25
Sector Gamma AS
Norway
$17.8M -$9.93M -759,920 -35%