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Ironwood Pharmaceuticals

145 hedge funds and large institutions have $1.55B invested in Ironwood Pharmaceuticals in 2018 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 50 increasing their positions, 40 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

170% more call options, than puts

Call options by funds: $18.5M | Put options by funds: $6.84M

25% more repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 40

2.68% more ownership

Funds ownership: 124.76%127.44% (+2.7%)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

4% less funds holding

Funds holding: 151145 (-6)

14% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 35

42% less capital invested

Capital invested by funds: $2.69B → $1.55B (-$1.14B)

Holders
145
Holders Change
-6
Holders Change %
-3.97%
% of All Funds
3.23%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
30
Increased
50
Reduced
40
Closed
35
Calls
$18.5M
Puts
$6.84M
Net Calls
+$11.7M
Net Calls Change
+$501K
Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$203M +$1.59M +138,747 +0.6%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$151M -$31.5M -2,744,986 -14%
Vanguard Group
3
Vanguard Group
Pennsylvania
$138M +$14.2M +1,236,506 +8%
BlackRock
4
BlackRock
New York
$128M +$1.63M +141,992 +1%
BCM
5
Brown Capital Management
Maryland
$105M +$50.4M +4,393,705 +57%
UBS AM
6
UBS AM
Illinois
$76.4M +$16.2M +1,413,768 +19%
Janus Henderson Group
7
Janus Henderson Group
United Kingdom
$68.9M -$18.3M -1,590,371 -17%
SCM
8
Sarissa Capital Management
Connecticut
$64.8M +$39.5M +3,444,929 +86%
EC
9
EcoR1 Capital
California
$55.8M +$3.28M +286,152 +5%
State Street
10
State Street
Massachusetts
$55.4M -$956K -83,275 -1%
MP
11
MFN Partners
Massachusetts
$51.2M +$67.7M +5,897,812 New
BM
12
Bridger Management
New York
$43.3M +$48.8M +4,250,641 +572%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$32M -$79.9M -6,964,363 -65%
O
14
OrbiMed
New York
$29.8M -$702K -61,193 -2%
Capital World Investors
15
Capital World Investors
California
$21M
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$20.5M +$1.32M +114,708 +5%
Norges Bank
17
Norges Bank
Norway
$19.6M +$6.12M +533,497 +31%
Adage Capital Partners
18
Adage Capital Partners
Massachusetts
$19.4M -$6.85M -597,000 -21%
Northern Trust
19
Northern Trust
Illinois
$17.7M +$452K +39,410 +2%
Goldman Sachs
20
Goldman Sachs
New York
$17.6M +$7.6M +662,469 +49%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$17.2M +$1.29M +112,777 +6%
CS
22
Credit Suisse
Switzerland
$16.5M +$2.91M +253,291 +15%
Citadel Advisors
23
Citadel Advisors
Florida
$15.5M +$14.3M +1,247,315 +230%
New York State Common Retirement Fund
24
New York State Common Retirement Fund
New York
$14.3M -$1.5M -130,754 -7%
Millennium Management
25
Millennium Management
New York
$14.2M +$15.2M +1,327,506 +426%

IRWD Hedge Fund Activity: Q4 2018 in Review

145 of the 4,489 institutional investors tracked by Wall St. Rank reported a position in Ironwood Pharmaceuticals (IRWD) for Q4 2018, worth a combined $1.55B — down 42% from $2.69B a quarter earlier.

Sellers outnumbered buyers: 35 funds closed out of IRWD and 30 opened new positions — a net loss of 5 holders — while 40 trimmed existing stakes and 50 added.

The largest buyer was Brown Capital Management, adding an estimated $50.4M. The largest seller was T. Rowe Price Associates, cutting an estimated $79.9M.

  • 145 institutional investors held Ironwood Pharmaceuticals (IRWD) as of Q4 2018, down from 151 in Q3 2018.
  • Funds reported $1.55B of Ironwood Pharmaceuticals stock for Q4 2018, down 42% quarter-over-quarter.
  • 30 funds opened new Ironwood Pharmaceuticals positions in Q4 2018 and 35 closed out, a net change of -5 holders.
  • The largest Ironwood Pharmaceuticals buyer in Q4 2018 was Brown Capital Management, an estimated $50.4M added.
  • The largest Ironwood Pharmaceuticals seller in Q4 2018 was T. Rowe Price Associates, an estimated $79.9M sold.

Based on aggregated 13F filings for Q4 2018.