GROUP ONE TRADING, L.P. - IRONWOOD PHARMACEUTICALS INC ownership

IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 123 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is 0.58 and the average weighting 0.4%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of IRONWOOD PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2023$798
-90.0%
75
-88.7%
0.00%
Q1 2022$8,000
-96.5%
663
-96.6%
0.00%
Q4 2021$230,000
-13.2%
19,719
-2.9%
0.00%
Q3 2021$265,000
+24.4%
20,306
+22.9%
0.00%
Q2 2021$213,000
+100.9%
16,529
+74.6%
0.00%
Q1 2021$106,000
+221.2%
9,466
+227.3%
0.00%
Q4 2020$33,000
-79.1%
2,892
-83.6%
0.00%
Q3 2020$158,000
+51.9%
17,589
+74.7%
0.00%
Q2 2020$104,000
+1633.3%
10,066
+1583.3%
0.00%
Q1 2020$6,000
+500.0%
598
+443.6%
0.00%
Q2 2019$1,000
-96.4%
110
-94.7%
0.00%
Q1 2019$28,000
-84.3%
2,067
-88.0%
0.00%
-100.0%
Q4 2018$178,000
+212.3%
17,179
+364.8%
0.00%
+100.0%
Q1 2018$57,000
+1325.0%
3,696
+1421.0%
0.00%
Q4 2017$4,000
-95.9%
243
-96.1%
0.00%
-100.0%
Q3 2017$98,000
+63.3%
6,228
+95.8%
0.00%0.0%
Q2 2017$60,000
-90.3%
3,181
-94.6%
0.00%
-88.9%
Q3 2015$617,000
+82.0%
59,198
+110.8%
0.01%
+80.0%
Q2 2015$339,000
+406.0%
28,082
+440.5%
0.01%
+400.0%
Q3 2014$67,000
-23.9%
5,196
-9.2%
0.00%0.0%
Q2 2014$88,000
-88.9%
5,725
-91.1%
0.00%
-92.3%
Q1 2014$795,000
+164.1%
64,553
+148.8%
0.01%
+160.0%
Q4 2013$301,000
+1268.2%
25,949
+1070.5%
0.01%
+400.0%
Q2 2013$22,0002,2170.00%
Other shareholders
IRONWOOD PHARMACEUTICALS INC shareholders Q4 2013
NameSharesValueWeighting ↓
BVF INC/IL 5,597,065$72,510,00015.06%
SOUND ENERGY PARTNERS, INC. 400,566$5,189,0004.02%
SECTOR GAMMA AS 1,138,291$14,747,0003.45%
Orbimed Advisors 12,012,100$155,617,0001.62%
SHAPIRO ROBERT N 485,974$6,296,0001.20%
Broderick Brian C 166,345$2,156,0000.96%
Hall Kathryn A. 193,588$2,508,0000.65%
Tekla Capital Management LLC 768,050$9,950,0000.47%
PARADIGM ASSET MANAGEMENT CO LLC 180,800$2,342,264,0000.33%
BOURGEON CAPITAL MANAGEMENT LLC 42,800$554,0000.32%
View complete list of IRONWOOD PHARMACEUTICALS INC shareholders