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EcoR1 Capital’s Ironwood Pharmaceuticals IRWD Stock Holding History

EcoR1 Capital’s Portfolio IRWD Stock Details IRWD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q2 		– Sell
-4,393,236
Closed -$45M – 60
2020
Q1 		$44.3M Buy
4,393,236
+21,828
+0.5% +$257K 4.63% 6
2019
Q4 		$58.2M Sell
4,371,408
-300,000
-6% -$3.31M 5.24% 6
2019
Q3 		$40.1M Hold
4,671,408
– – 5.06% 8
2019
Q2 		$51.1M Sell
4,671,408
-578,811
-11% -$6.48M 5.16% 9
2019
Q1 		$59.5M Sell
5,250,219
-1,175,032
-18% -$13.1M 5.48% 7
2018
Q4 		$55.8M Buy
6,425,251
+286,152
+5% +$3.28M 5.58% 4
2018
Q3 		$94.9M Sell
6,139,099
-1,323,488
-18% -$20.9M 8.55% 3
2018
Q2 		$120M Buy
7,462,587
+435,201
+6% +$6.44M 11.38% 2
2018
Q1 		$90.8M Hold
7,027,386
– – 9.11% 4
2017
Q4 		$88.2M Buy
7,027,386
+508,644
+8% +$6.64M 9.93% 4
2017
Q3 		$86.1M Buy
6,518,742
+2,036,902
+45% +$28M 11.47% 3
2017
Q2 		$70.9M Buy
4,481,840
+1,012,655
+29% +$14.7M 12.58% 2
2017
Q1 		$49.6M Buy
3,469,185
+59,700
+2% +$816K 12.53% 2
2016
Q4 		$43.7M Buy
3,409,485
+53,969
+2% +$682K 13.9% 1
2016
Q3 		$44.6M Buy
3,355,516
+453,558
+16% +$5.3M 13.69% 1
2016
Q2 		$31.8M Buy
2,901,958
+440,626
+18% +$4.31M 12.53% 1
2016
Q1 		$22.6M Buy
2,461,332
+1,480,424
+151% +$12.2M 7.88% 1
2015
Q4 		$9.52M Buy
+980,908
New +$9.48M 2.99% 15
2015
Q2 		– Sell
-1,074,600
Closed -$14.4M – 27
2015
Q1 		$14.4M Hold
1,074,600
– – 4.8% 10
2014
Q4 		$13.8M Buy
+1,074,600
New +$12.3M 6.98% 6

Other funds holding IRWD

Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BCM
Brown Capital Management Baltimore, Maryland $500M AUM 25.3% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCM
Camber Capital Management Boston, Massachusetts $1.07B AUM 8.19% 1-Year Est. Return
CS
Credit Suisse Zurich, Switzerland $104B AUM 34.76% 1-Year Est. Return
PI
Putnam Investments Boston, Massachusetts $75.7B AUM 34.45% 1-Year Est. Return

EcoR1 Capital's IRWD Position: Q2 2020 in Review

EcoR1 Capital sold out of Ironwood Pharmaceuticals (IRWD) in Q2 2020, closing a stake of 4,393,236 shares — an estimated $45M sold.

EcoR1 Capital first reported a position in IRWD in Q4 2014 and held it in 20 quarters. The position peaked at $120M in Q2 2018. 202 funds tracked by Wall St. Rank hold IRWD as of Q2 2020.

  • EcoR1 Capital reported no remaining Ironwood Pharmaceuticals position as of Q2 2020 after selling out during the quarter.
  • EcoR1 Capital sold 4,393,236 Ironwood Pharmaceuticals shares in Q2 2020, an estimated $45M.
  • EcoR1 Capital first reported a position in Ironwood Pharmaceuticals in Q4 2014 and held it in 20 quarters.
  • EcoR1 Capital's Ironwood Pharmaceuticals position peaked at $120M in Q2 2018.
  • 202 funds tracked by Wall St. Rank held Ironwood Pharmaceuticals as of Q2 2020.

Based on EcoR1 Capital's 13F filing for Q2 2020, filed 14 Aug 2020.