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Ironwood Pharmaceuticals
IRWD

Overview Fund Activity

156 hedge funds and large institutions have $2.09B invested in Ironwood Pharmaceuticals in 2019 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 54 increasing their positions, 44 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
156
Holders Change
+11
Holders Change %
+7.59%
% of All Funds
3.38%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.09%
New
34
Increased
54
Reduced
44
Closed
23
Calls
$24M
Puts
$8.25M
Net Calls
+$15.8M
Net Calls Change
+$4.12M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$27.7M
2
Citadel Advisors
Citadel Advisors
Florida
+$24.8M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$21.4M
4
SCM
Sarissa Capital Management
Connecticut
+$17.5M
5
HM
HealthCor Management
New York
+$10.1M

Top Sellers

1
O
OrbiMed
New York
-$29.8M
2
EC
EcoR1 Capital
California
-$13.3M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$12M
4
Millennium Management
Millennium Management
New York
-$6.83M
5
UBS Group
UBS Group
Switzerland
-$5.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
HI
51
HBK Investments
Texas
$3.05M +$1.29M +114,128 +74%
EGM
52
Engineers Gate Manager
New York
$3.04M +$1.1M +96,696 +56%
USAA
53
United Services Automobile Association
Texas
$2.93M -$481K -42,424 -14%
California State Teachers Retirement System (CalSTRS)
54
California State Teachers Retirement System (CalSTRS)
California
$2.91M -$64.8K -5,718 -2%
Rafferty Asset Management
55
Rafferty Asset Management
New York
$2.77M +$2.77M +244,678 New
AllianceBernstein
56
AllianceBernstein
Tennessee
$2.74M – – –
American Century Companies
57
American Century Companies
Missouri
$2.73M +$2.73M +240,981 New
EP
58
Eversept Partners
New York
$2.65M +$2.65M +233,667 New
CSS
59
Cubist Systematic Strategies
Connecticut
$2.65M +$1.48M +130,434 +127%
Squarepoint
60
Squarepoint
New York
$2.55M +$1.48M +130,850 +139%
State of Wisconsin Investment Board
61
State of Wisconsin Investment Board
Wisconsin
$2.54M -$2.56M -226,060 -50%
Fisher Asset Management
62
Fisher Asset Management
Washington
$2.52M -$50.3K -4,441 -2%
UONDDL
63
University of Notre Dame du Lac
Indiana
$2.51M +$2.51M +221,500 New
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$2.5M -$23.2K -2,043 -0.9%
NFC
65
Northeast Financial Consultants
Connecticut
$2.4M +$2.4M +211,881 New
PP
66
PDT Partners
New York
$2.16M +$2.16M +190,562 New
SBSB
67
Sullivan, Bruyette, Speros & Blaney
Virginia
$1.99M +$1.46M +129,135 +276%
LCM
68
Laurion Capital Management
New York
$1.75M +$1.75M +153,954 New
AI
69
Atom Investors
Texas
$1.72M -$514K -45,353 -23%
Marshall Wace
70
Marshall Wace
United Kingdom
$1.67M +$1.67M +147,758 New
ARTA
71
A.R.T. Advisors
New York
$1.62M +$475K +41,911 +41%
MIM
72
Monashee Investment Management
Massachusetts
$1.35M +$1.35M +119,400 New
AG
73
Artal Group
Luxembourg
$1.25M – – –
AIG
74
American International Group
New York
$1.21M -$39.4K -3,472 -3%
Man Group
75
Man Group
United Kingdom
$1.21M +$726K +64,063 +149%
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