GROUP ONE TRADING, L.P. - FOUNDATION MEDICINE INC ownership

FOUNDATION MEDICINE INC's ticker is FMI and the CUSIP is 350465100. A total of 94 filers reported holding FOUNDATION MEDICINE INC in Q4 2014. The put-call ratio across all filers is 2.02 and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of FOUNDATION MEDICINE INC
ValueSharesWeighting
Q2 2017$1,695,000
-82.3%
42,629
-85.6%
0.02%
-83.8%
Q1 2017$9,558,000
+175.5%
296,359
+51.2%
0.11%
+226.5%
Q4 2016$3,469,000
-40.6%
196,006
-21.6%
0.03%
-46.0%
Q3 2016$5,838,000
+2.7%
250,023
-17.9%
0.06%
-6.0%
Q2 2016$5,685,000
+10.1%
304,651
+7.3%
0.07%
-8.2%
Q1 2016$5,163,000
-13.4%
283,990
+0.3%
0.07%
+2.8%
Q4 2015$5,965,000
+2.5%
283,251
-10.2%
0.07%
-11.2%
Q3 2015$5,820,000
+118.8%
315,422
+301.3%
0.08%
+116.2%
Q2 2015$2,660,000
+130.7%
78,597
+51.5%
0.04%
+117.6%
Q4 2014$1,153,000
-14.5%
51,876
-27.0%
0.02%
-19.0%
Q3 2014$1,348,000
+317.3%
71,094
+493.8%
0.02%
+320.0%
Q2 2014$323,000
+30.8%
11,973
+56.8%
0.01%
+25.0%
Q1 2014$247,0007,6340.00%
Other shareholders
FOUNDATION MEDICINE INC shareholders Q4 2014
NameSharesValueWeighting ↓
Murphy Michael R 1,574,711$29,384,00011.54%
Casdin Capital, LLC 390,000$7,277,0007.24%
GILDER GAGNON HOWE & CO LLC 2,014,913$37,598,0000.75%
Senvest Management, LLC 447,999$8,360,0000.68%
AlphaMark Advisors, LLC 47,981$895,0000.53%
HARBOURVEST PARTNERS LLC 56,567$1,056,0000.51%
OPPENHEIMER & CO INC 673,921$12,576,0000.38%
JACKSON PARK CAPITAL, LLC 12,500$233,0000.32%
NEEDHAM INVESTMENT MANAGEMENT LLC 57,500$1,073,0000.30%
Ipswich Investment Management Co., Inc. 21,800$407,0000.20%
View complete list of FOUNDATION MEDICINE INC shareholders