ELLINGTON MANAGEMENT GROUP LLC - IRONWOOD PHARMACEUTICALS INC ownership

IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 201 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2019. The put-call ratio across all filers is 0.18 and the average weighting 0.2%.

Quarter-by-quarter ownership
ELLINGTON MANAGEMENT GROUP LLC ownership history of IRONWOOD PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2019$119,000
-25.2%
13,900
+1.5%
0.02%
-60.7%
Q4 2015$159,000
-26.4%
13,700
+1.5%
0.06%
+24.4%
Q1 2015$216,00013,5000.04%
Other shareholders
IRONWOOD PHARMACEUTICALS INC shareholders Q4 2019
NameSharesValueWeighting ↓
Sarissa Capital Management LP 16,390,000$172,422,80022.05%
13D Management LLC 533,562$5,613,0732.85%
Quantedge Capital Pte Ltd 541,200$5,693,4242.22%
Price Jennifer C. 520,000$5,470,4001.74%
Tamarack Advisers, LP 210,000$2,209,2000.81%
Intrinsic Value Partners, LLC 51,605$542,8850.73%
Brown Capital Management 3,933,933$41,384,9750.62%
Old West Investment Management, LLC 75,219$791,3030.43%
EMC Capital Management 43,315$4560.38%
Hillsdale Investment Management Inc. 420,617$4,424,8910.38%
View complete list of IRONWOOD PHARMACEUTICALS INC shareholders