Granahan Investment Management - IRONWOOD PHARMACEUTICALS INC ownership

IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 170 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q2 2017. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of IRONWOOD PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2018$4,098,000
-45.2%
395,574
-2.4%
0.29%
-28.6%
Q3 2018$7,480,000
-24.9%
405,224
-22.2%
0.41%
-32.3%
Q2 2018$9,959,000
+41.5%
520,888
+14.2%
0.60%
+18.1%
Q1 2018$7,038,000
+20.0%
456,100
+16.6%
0.51%
+10.2%
Q4 2017$5,864,000
-14.7%
391,200
-10.3%
0.46%
-19.7%
Q3 2017$6,876,000
+4.0%
436,000
+24.5%
0.57%
-5.7%
Q2 2017$6,610,000
+10.7%
350,096
-0.0%
0.61%
+1.7%
Q1 2017$5,973,000
-72.3%
350,107
-75.1%
0.60%
-19.1%
Q4 2016$21,528,000
-3.7%
1,408,0000.0%0.74%
+1.1%
Q3 2016$22,359,000
+51.5%
1,408,000
+24.7%
0.73%
+36.1%
Q2 2016$14,762,000
+299.7%
1,129,000
+389.2%
0.54%
+407.5%
Q1 2015$3,693,000230,8000.11%
Other shareholders
IRONWOOD PHARMACEUTICALS INC shareholders Q2 2017
NameSharesValueWeighting ↓
Sarissa Capital Management LP 16,390,000$157,835,70021.26%
AlphaCentric Advisors LLC 292,500$2,816,7751.60%
Quantedge Capital Pte Ltd 179,900$1,732,4370.94%
Intrinsic Value Partners, LLC 50,355$484,9190.62%
Brown Capital Management 3,719,796$35,821,6350.55%
ARMISTICE CAPITAL, LLC 3,456,000$33,281,2800.51%
SummerHaven Investment Management, LLC 67,765$652,5770.48%
BRAIDWELL LP 1,348,099$12,982,1930.41%
AFFINITY INVESTMENT ADVISORS, LLC 50,733$488,5590.32%
EMC Capital Management 43,315$4170.31%
View complete list of IRONWOOD PHARMACEUTICALS INC shareholders