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Ironwood Pharmaceuticals
IRWD

Overview Fund Activity

195 hedge funds and large institutions have $2.36B invested in Ironwood Pharmaceuticals in 2019 Q4 according to their latest regulatory filings, with 43 funds opening new positions, 53 increasing their positions, 69 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
195
Holders Change
+31
Holders Change %
+18.9%
% of All Funds
3.85%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
43
Increased
53
Reduced
69
Closed
12
Calls
$11.3M
Puts
$8.93M
Net Calls
+$2.39M
Net Calls Change
+$521K

Top Buyers

1
Two Sigma Advisers
Two Sigma Advisers
New York
+$13.6M
2
Two Sigma Investments
Two Sigma Investments
New York
+$13.2M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$11.8M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$10.6M
5
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$9.32M

Top Sellers

1
UBS AM
UBS AM
Illinois
-$25.5M
2
Citadel Advisors
Citadel Advisors
Florida
-$16.9M
3
Invesco
Invesco
Georgia
-$8.44M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$8.2M
5
Nuveen Asset Management
Nuveen Asset Management
Illinois
-$5.53M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$289M -$46.5K -3,490 -0%
BCM
2
Brown Capital Management
Maryland
$238M -$396K -29,728 -0.2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$221M -$1.41M -106,232 -0.6%
BlackRock
4
BlackRock
New York
$180M +$1.14M +85,962 +0.6%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$144M -$8.2M -616,439 -5%
SCM
6
Sarissa Capital Management
Connecticut
$137M +$2.72M +204,000 +2%
UBS AM
7
UBS AM
Illinois
$116M -$25.5M -1,913,331 -18%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$110M +$11.8M +888,863 +12%
MP
9
MFN Partners
Massachusetts
$85.7M – – –
State Street
10
State Street
Massachusetts
$76.9M -$696K -52,328 -0.9%
EC
11
EcoR1 Capital
California
$58.2M -$3.99M -300,000 -6%
CS
12
Credit Suisse
Switzerland
$40.8M -$3.24M -243,779 -7%
Norges Bank
13
Norges Bank
Norway
$34.3M – – –
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$32.4M -$1.14M -85,393 -3%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$29.2M +$440K +33,084 +2%
New York State Common Retirement Fund
16
New York State Common Retirement Fund
New York
$27.2M -$274K -20,600 -1%
Capital World Investors
17
Capital World Investors
California
$27M – – –
Northern Trust
18
Northern Trust
Illinois
$26.6M +$576K +43,271 +2%
BNP Paribas Asset Management
19
BNP Paribas Asset Management
France
$25.3M +$6.81M +511,860 +37%
Two Sigma Investments
20
Two Sigma Investments
New York
$19.8M +$13.2M +995,225 +201%
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$19.5M +$10.6M +797,330 +119%
Adage Capital Partners
22
Adage Capital Partners
Massachusetts
$18.3M +$9.32M +700,000 +104%
Goldman Sachs
23
Goldman Sachs
New York
$18M +$4.21M +316,575 +31%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$17.8M +$13.6M +1,018,100 +318%
Citadel Advisors
25
Citadel Advisors
Florida
$17.5M -$16.9M -1,266,004 -49%
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