BlackRock Investment Management, LLC - IRONWOOD PHARMACEUTICALS INC ownership

IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 139 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2015. The put-call ratio across all filers is 0.53 and the average weighting 0.1%.

Quarter-by-quarter ownership
BlackRock Investment Management, LLC ownership history of IRONWOOD PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2016$7,407,000
-4.1%
484,465
-0.4%
0.01%0.0%
Q3 2016$7,722,000
+22.6%
486,291
+1.0%
0.01%
+12.5%
Q2 2016$6,298,000
+30.6%
481,700
+9.3%
0.01%
+33.3%
Q1 2016$4,822,000
-1.6%
440,781
+4.3%
0.01%0.0%
Q4 2015$4,900,000
+11.8%
422,802
+0.5%
0.01%0.0%
Q3 2015$4,383,000
-14.5%
420,635
-1.1%
0.01%0.0%
Q2 2015$5,129,000
-2.9%
425,274
+28.8%
0.01%
-14.3%
Q1 2015$5,284,000
+6.3%
330,241
+1.7%
0.01%0.0%
Q4 2014$4,973,000
+17.1%
324,609
-1.0%
0.01%
+16.7%
Q3 2014$4,247,000
-15.0%
327,850
+0.6%
0.01%
-14.3%
Q2 2014$4,997,000
+38.1%
325,941
+11.0%
0.01%
+40.0%
Q1 2014$3,618,000
+22.0%
293,695
+15.0%
0.01%
+25.0%
Q4 2013$2,966,000
-4.2%
255,457
-2.3%
0.00%
-20.0%
Q3 2013$3,096,000
+27.0%
261,445
+6.5%
0.01%
+25.0%
Q2 2013$2,437,000245,3940.00%
Other shareholders
IRONWOOD PHARMACEUTICALS INC shareholders Q2 2015
NameSharesValueWeighting ↓
Sarissa Capital Management LP 16,390,000$183,240,00017.56%
HealthInvest Partners AB 1,450,000$16,211,00012.91%
Healthcare Value Capital, LLC 200,000$2,236,0004.98%
BRIDGER MANAGEMENT, LLC 2,852,414$31,890,0002.98%
Camber Capital Management LP 7,500,000$83,850,0002.88%
13D Management LLC 658,017$7,357,0002.72%
Brown Capital Management 20,170,126$225,502,0001.68%
Healthcare Value Capital, LLC 50,000$559,0001.24%
Zebra Capital Management LLC 59,122$661,0000.73%
PRICE MICHAEL F 520,000$5,814,0000.70%
View complete list of IRONWOOD PHARMACEUTICALS INC shareholders