BlackRock Inc. - IRONWOOD PHARMACEUTICALS INC ownership

IRONWOOD PHARMACEUTICALS INC's ticker is and the CUSIP is 46333XAD0. A total of 35 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
BlackRock Inc. ownership history of IRONWOOD PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2019$810,000
-3.1%
760,0000.0%0.00%
Q1 2019$836,000
+4.0%
760,000
-11.6%
0.00%
Q4 2018$804,000
-9.6%
860,000
+25.5%
0.00%
Q3 2018$889,000
+24.2%
685,000
+26.9%
0.00%
Q2 2018$716,000
-27.6%
540,000
-35.7%
0.00%
Q1 2018$989,000
+0.7%
840,000
-0.9%
0.00%
Q4 2017$982,000
-2.6%
848,0000.0%0.00%
Q3 2017$1,008,000
+37.5%
848,000
+54.7%
0.00%
Q2 2017$733,000
+51.1%
548,000
+40.5%
0.00%
Q1 2017$485,000390,0000.00%
Other shareholders
IRONWOOD PHARMACEUTICALS INC shareholders Q2 2018
NameSharesValueWeighting ↓
K2 PRINCIPAL FUND, L.P. 9,000$9,953,0000.83%
CSS LLC/IL 10,119,000$11,031,0000.46%
DeepCurrents Investment Group LLC 13,556,000$14,917,0000.45%
TENOR CAPITAL MANAGEMENT Co., L.P. 10,000,000$11,014,0000.24%
WOLVERINE ASSET MANAGEMENT LLC 28,592,000$31,218,0000.24%
HBK INVESTMENTS L P 14,616,000$15,971,0000.06%
PALISADE CAPITAL MANAGEMENT, LP 2,127,000$2,334,0000.05%
Verition Fund Management LLC 3,942,000$4,304,0000.04%
LAZARD ASSET MANAGEMENT LLC 10,037,000$10,959,0000.01%
Calamos Advisors LLC 2,423,000$2,648,0000.01%
View complete list of IRONWOOD PHARMACEUTICALS INC shareholders