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Ironwood Pharmaceuticals

158 hedge funds and large institutions have $2.29B invested in Ironwood Pharmaceuticals in 2017 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 51 increasing their positions, 49 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more call options, than puts

Call options by funds: $17.8M | Put options by funds: $8.92M

50% more first-time investments, than exits

New positions opened: 27 | Existing positions closed: 18

6% more funds holding

Funds holding: 149158 (+9)

4% more repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 49

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

4.16% less ownership

Funds ownership: 138.95%134.79% (-4.2%)

8% less capital invested

Capital invested by funds: $2.48B → $2.29B (-$188M)

Holders
158
Holders Change
+9
Holders Change %
+6.04%
% of All Funds
3.58%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
27
Increased
51
Reduced
49
Closed
18
Calls
$17.8M
Puts
$8.92M
Net Calls
+$8.91M
Net Calls Change
+$6.47M
Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$284M +$633K +48,487 +0.2%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$268M +$14.1M +1,078,471 +5%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$265M -$13.7M -1,051,310 -5%
BlackRock
4
BlackRock
New York
$175M -$2.66M -204,002 -1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$169M +$4.04M +309,327 +2%
Janus Henderson Group
6
Janus Henderson Group
United Kingdom
$125M +$5.72M +437,581 +5%
UBS AM
7
UBS AM
Illinois
$95.3M -$762K -58,333 -0.8%
BCM
8
Brown Capital Management
Maryland
$93.9M +$721K +55,222 +0.7%
EC
9
EcoR1 Capital
California
$88.2M +$6.64M +508,644 +8%
State Street
10
State Street
Massachusetts
$72.4M +$4.42M +338,282 +6%
O
11
OrbiMed
New York
$67.8M -$19.2M -1,473,396 -21%
PAMU
12
Pictet Asset Management (UK)
United Kingdom
$44.8M +$5.69M +435,527 +14%
Norges Bank
13
Norges Bank
Norway
$35.2M +$5.26M +402,386 +17%
Adage Capital Partners
14
Adage Capital Partners
Massachusetts
$28.2M -$15.8M -1,213,351 -35%
BNP Paribas Asset Management
15
BNP Paribas Asset Management
France
$27.4M +$216K +16,550 +0.8%
SCM
16
Sarissa Capital Management
Connecticut
$24.7M +$25.7M +1,970,100 New
Loomis, Sayles & Company
17
Loomis, Sayles & Company
Massachusetts
$23.7M +$443K +33,939 +2%
CS
18
Credit Suisse
Switzerland
$23.5M -$705 -54 -0%
Northern Trust
19
Northern Trust
Illinois
$23.3M -$701K -53,645 -3%
SAM
20
Senzar Asset Management
New York
$21.7M +$14.7M +1,124,509 +186%
New York State Common Retirement Fund
21
New York State Common Retirement Fund
New York
$21.1M +$74.8K +5,729 +0.3%
Capital World Investors
22
Capital World Investors
California
$19.9M
Geode Capital Management
23
Geode Capital Management
Massachusetts
$18.6M +$482K +36,896 +3%
RCAMU
24
Rothschild & Co Asset Management US
Connecticut
$18.4M -$596K -45,656 -3%
SGA
25
Sector Gamma AS
Norway
$17.8M -$9.93M -759,920 -35%

IRWD Hedge Fund Activity: Q4 2017 in Review

158 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Ironwood Pharmaceuticals (IRWD) for Q4 2017, worth a combined $2.29B — down 7.6% from $2.48B a quarter earlier.

Buyers outnumbered sellers: 27 funds opened new IRWD positions and 18 closed out — a net gain of 9 holders — while 51 added to existing stakes and 49 trimmed.

The largest buyer was Sarissa Capital Management, opening a new position worth an estimated $25.7M. The largest seller was BVF Inc, exiting entirely with an estimated $44.5M sold.

  • 158 institutional investors held Ironwood Pharmaceuticals (IRWD) as of Q4 2017, up from 149 in Q3 2017.
  • Funds reported $2.29B of Ironwood Pharmaceuticals stock for Q4 2017, down 7.6% quarter-over-quarter.
  • 27 funds opened new Ironwood Pharmaceuticals positions in Q4 2017 and 18 closed out, a net change of +9 holders.
  • The largest Ironwood Pharmaceuticals buyer in Q4 2017 was Sarissa Capital Management, an estimated $25.7M added.
  • The largest Ironwood Pharmaceuticals seller in Q4 2017 was BVF Inc, an estimated $44.5M sold.

Based on aggregated 13F filings for Q4 2017.