IRWD icon

Ironwood Pharmaceuticals
IRWD

Overview Fund Activity

193 hedge funds and large institutions have $1.8B invested in Ironwood Pharmaceuticals in 2020 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 64 increasing their positions, 69 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
193
Holders Change
-2
Holders Change %
-1.03%
% of All Funds
4.26%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
29
Increased
64
Reduced
69
Closed
29
Calls
$6.98M
Puts
$1.02M
Net Calls
+$5.96M
Net Calls Change
+$3.57M

Top Buyers

1
SCM
Sarissa Capital Management
Connecticut
+$32.5M
2
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$23.7M
3
PI
Putnam Investments
Massachusetts
+$18.3M
4
BM
Bridger Management
New York
+$15.6M
5
SPC
Slate Path Capital
New York
+$13.5M

Top Sellers

1
MP
MFN Partners
Massachusetts
-$31M
2
Two Sigma Investments
Two Sigma Investments
New York
-$12.4M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$10.8M
4
Deutsche Bank
Deutsche Bank
Germany
-$10.2M
5
Marshall Wace
Marshall Wace
United Kingdom
-$9.24M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$223M +$3.44M +340,598 +2%
BCM
2
Brown Capital Management
Maryland
$181M +$603K +59,796 +0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$165M -$3M -297,751 -2%
SCM
4
Sarissa Capital Management
Connecticut
$136M +$32.5M +3,218,000 +31%
BlackRock
5
BlackRock
New York
$135M -$2.03M -201,279 -1%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$112M +$2.54M +251,724 +2%
UBS AM
7
UBS AM
Illinois
$79.3M -$8.96M -888,342 -10%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$72.8M -$10.8M -1,073,671 -13%
State Street
9
State Street
Massachusetts
$59.1M +$789K +78,192 +1%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$48.3M +$23.7M +2,348,030 +96%
EC
11
EcoR1 Capital
California
$44.3M +$220K +21,828 +0.5%
CS
12
Credit Suisse
Switzerland
$34.6M +$3.66M +362,615 +12%
MP
13
MFN Partners
Massachusetts
$34M -$31M -3,069,541 -48%
Norges Bank
14
Norges Bank
Norway
$25.4M -$618K -61,274 -2%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$23.1M +$994K +98,558 +4%
Northern Trust
16
Northern Trust
Illinois
$20.7M +$473K +46,912 +2%
New York State Common Retirement Fund
17
New York State Common Retirement Fund
New York
$20.6M – – –
Capital World Investors
18
Capital World Investors
California
$20.5M – – –
BNP Paribas Asset Management
19
BNP Paribas Asset Management
France
$19.2M -$46.6K -4,619 -0.2%
PI
20
Putnam Investments
Massachusetts
$18.3M +$18.3M +1,809,332 New
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$16.8M +$2.05M +203,163 +14%
BM
22
Bridger Management
New York
$15.6M +$15.6M +1,544,590 New
Renaissance Technologies
23
Renaissance Technologies
New York
$15.1M +$7.51M +744,763 +99%
Adage Capital Partners
24
Adage Capital Partners
Massachusetts
$13.9M – – –
SPC
25
Slate Path Capital
New York
$13.5M +$13.5M +1,340,000 New
1
2 3 4 5