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Ironwood Pharmaceuticals

209 hedge funds and large institutions have $1.91B invested in Ironwood Pharmaceuticals in 2021 Q1 according to their latest regulatory filings, with 39 funds opening new positions, 75 increasing their positions, 65 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

39% more first-time investments, than exits

New positions opened: 39 | Existing positions closed: 28

15% more repeat investments, than reductions

Existing positions increased: 75 | Existing positions reduced: 65

13% more call options, than puts

Call options by funds: $6.42M | Put options by funds: $5.69M

5% more funds holding

Funds holding: 199209 (+10)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.88% less ownership

Funds ownership: 107.21%106.33% (-0.88%)

2% less capital invested

Capital invested by funds: $1.95B → $1.91B (-$41.4M)

Holders
209
Holders Change
+10
Holders Change %
+5.03%
% of All Funds
3.67%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
39
Increased
75
Reduced
65
Closed
28
Calls
$6.42M
Puts
$5.69M
Net Calls
+$723K
Net Calls Change
-$8.67M
Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$237M -$4.53M -428,408 -2%
BCM
2
Brown Capital Management
Maryland
$226M +$208K +19,663 +0.1%
SCM
3
Sarissa Capital Management
Connecticut
$183M +$24.8M +2,350,000 +17%
Vanguard Group
4
Vanguard Group
Pennsylvania
$176M -$2.06M -194,627 -1%
BlackRock
5
BlackRock
New York
$149M +$3.21M +303,914 +2%
CCM
6
Camber Capital Management
Massachusetts
$83.8M
State Street
7
State Street
Massachusetts
$82.5M -$2.16M -204,343 -3%
Westfield Capital Management
8
Westfield Capital Management
Massachusetts
$60.2M -$32.8M -3,104,392 -37%
CS
9
Credit Suisse
Switzerland
$41.5M -$1.3M -123,521 -3%
PI
10
Putnam Investments
Massachusetts
$37.4M
Renaissance Technologies
11
Renaissance Technologies
New York
$35.1M +$12M +1,135,000 +57%
BM
12
Bridger Management
New York
$31.9M +$4.07M +385,442 +16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$31M +$3.19M +302,099 +12%
New York State Common Retirement Fund
14
New York State Common Retirement Fund
New York
$26.5M -$95.1K -9,000 -0.4%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$21.7M +$6.73M +637,300 +49%
UBS AM
16
UBS AM
Illinois
$20.8M -$6.21M -588,177 -24%
Northern Trust
17
Northern Trust
Illinois
$20.7M -$1.29M -121,731 -6%
Norges Bank
18
Norges Bank
Norway
$20.2M -$2.59M -244,821 -12%
Goldman Sachs
19
Goldman Sachs
New York
$17.7M -$6.15M -581,872 -27%
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$17M -$6.53M -618,187 -29%
HP
21
HealthInvest Partners
Sweden
$16.2M +$6.5M +615,000 +74%
N
22
Nuveen
North Carolina
$15.6M +$5.57M +527,067 +61%
Charles Schwab
23
Charles Schwab
California
$13.3M +$373K +35,349 +3%
JP Morgan Chase
24
JP Morgan Chase
New York
$13M +$6.92M +655,094 +130%
PAMU
25
Pictet Asset Management (UK)
United Kingdom
$12.9M +$3.84M +363,211 +46%

IRWD Hedge Fund Activity: Q1 2021 in Review

209 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Ironwood Pharmaceuticals (IRWD) for Q1 2021, worth a combined $1.91B — down 2.1% from $1.95B a quarter earlier.

Buyers outnumbered sellers: 39 funds opened new IRWD positions and 28 closed out — a net gain of 11 holders — while 75 added to existing stakes and 65 trimmed.

The largest buyer was Sarissa Capital Management, adding an estimated $24.8M. The largest seller was Westfield Capital Management, cutting an estimated $32.8M.

  • 209 institutional investors held Ironwood Pharmaceuticals (IRWD) as of Q1 2021, up from 199 in Q4 2020.
  • Funds reported $1.91B of Ironwood Pharmaceuticals stock for Q1 2021, down 2.1% quarter-over-quarter.
  • 39 funds opened new Ironwood Pharmaceuticals positions in Q1 2021 and 28 closed out, a net change of +11 holders.
  • The largest Ironwood Pharmaceuticals buyer in Q1 2021 was Sarissa Capital Management, an estimated $24.8M added.
  • The largest Ironwood Pharmaceuticals seller in Q1 2021 was Westfield Capital Management, an estimated $32.8M sold.

Based on aggregated 13F filings for Q1 2021.