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Ironwood Pharmaceuticals

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

191% more call options, than puts

Call options by funds: $24M | Put options by funds: $8.25M

48% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 23

35% more capital invested

Capital invested by funds: $1.55B → $2.09B (+$546M)

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

23% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 44

8% more funds holding

Funds holding: 145156 (+11)

7.76% less ownership

Funds ownership: 127.44%119.69% (-7.8%)

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
Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$292M +$27.3M +2,445,895 +10%
Vanguard Group
2
Vanguard Group
Pennsylvania
$202M +$21.1M +1,887,368 +12%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$197M -$409K -36,635 -0.2%
BlackRock
4
BlackRock
New York
$163M -$3.83M -343,158 -2%
BCM
5
Brown Capital Management
Maryland
$140M +$2.63M +235,585 +2%
SCM
6
Sarissa Capital Management
Connecticut
$102M +$17.2M +1,540,141 +21%
UBS AM
7
UBS AM
Illinois
$96.4M -$3.32M -296,860 -3%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$90M -$24.9K -2,231 -0%
State Street
9
State Street
Massachusetts
$75.4M +$2.98M +267,006 +4%
MP
10
MFN Partners
Massachusetts
$66.8M
EC
11
EcoR1 Capital
California
$59.5M -$13.1M -1,175,032 -18%
BM
12
Bridger Management
New York
$56.6M
Citadel Advisors
13
Citadel Advisors
Florida
$45.1M +$24.5M +2,191,650 +123%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$29.8M -$11.9M -1,061,830 -29%
Norges Bank
15
Norges Bank
Norway
$28.1M +$2.5M +223,796 +10%
Capital World Investors
16
Capital World Investors
California
$27.5M
Geode Capital Management
17
Geode Capital Management
Massachusetts
$26.3M +$3.78M +338,171 +17%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$25.5M -$1.24M -111,048 -5%
Adage Capital Partners
19
Adage Capital Partners
Massachusetts
$25.4M
Northern Trust
20
Northern Trust
Illinois
$23.7M +$558K +49,988 +2%
Goldman Sachs
21
Goldman Sachs
New York
$23.1M +$85.7K +7,672 +0.4%
CS
22
Credit Suisse
Switzerland
$21.6M +$85.4K +7,644 +0.4%
New York State Common Retirement Fund
23
New York State Common Retirement Fund
New York
$18.4M -$261K -23,371 -1%
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$13.4M +$3.57M +320,099 +37%
Millennium Management
25
Millennium Management
New York
$11.7M -$6.73M -602,997 -37%

IRWD Hedge Fund Activity: Q1 2019 in Review

156 of the 4,621 institutional investors tracked by Wall St. Rank reported a position in Ironwood Pharmaceuticals (IRWD) for Q1 2019, worth a combined $2.09B — up 35% from $1.55B a quarter earlier.

Buyers outnumbered sellers: 34 funds opened new IRWD positions and 23 closed out — a net gain of 11 holders — while 54 added to existing stakes and 44 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $27.3M. The largest seller was OrbiMed, exiting entirely with an estimated $29.8M sold.

  • 156 institutional investors held Ironwood Pharmaceuticals (IRWD) as of Q1 2019, up from 145 in Q4 2018.
  • Funds reported $2.09B of Ironwood Pharmaceuticals stock for Q1 2019, up 35% quarter-over-quarter.
  • 34 funds opened new Ironwood Pharmaceuticals positions in Q1 2019 and 23 closed out, a net change of +11 holders.
  • The largest Ironwood Pharmaceuticals buyer in Q1 2019 was Wellington Management Group, an estimated $27.3M added.
  • The largest Ironwood Pharmaceuticals seller in Q1 2019 was OrbiMed, an estimated $29.8M sold.

Based on aggregated 13F filings for Q1 2019.