ESSEX INVESTMENT MANAGEMENT CO LLC - SUPERNUS PHARMACEUTICALS INC ownership

SUPERNUS PHARMACEUTICALS INC's ticker is SUPN and the CUSIP is 868459108. A total of 276 filers reported holding SUPERNUS PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 1.52 and the average weighting 0.1%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of SUPERNUS PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2018$3,210,000
-13.1%
63,754
+3.3%
0.38%
-18.4%
Q2 2018$3,693,000
+30.8%
61,712
+0.1%
0.46%
+24.5%
Q1 2018$2,824,000
+8.7%
61,653
-5.4%
0.37%
+8.5%
Q4 2017$2,597,000
+2.6%
65,161
+3.0%
0.34%
-0.6%
Q3 2017$2,530,000
-23.5%
63,244
-17.6%
0.34%
-27.4%
Q2 2017$3,309,000
+78.1%
76,779
+29.3%
0.47%
+62.9%
Q1 2017$1,858,000
+45.8%
59,362
+17.7%
0.29%
+38.6%
Q4 2016$1,274,000
+9.2%
50,442
+6.9%
0.21%
+11.7%
Q3 2016$1,167,000
-41.4%
47,175
-51.8%
0.19%
-43.4%
Q2 2016$1,993,000
+22.8%
97,863
-8.0%
0.33%
+19.4%
Q1 2016$1,623,000
+33.3%
106,405
+17.4%
0.28%
+46.3%
Q4 2015$1,218,000
-9.6%
90,628
-5.6%
0.19%
-14.0%
Q3 2015$1,347,000
-13.8%
96,031
+4.3%
0.22%
-6.4%
Q2 2015$1,563,000
+37.6%
92,044
-2.1%
0.24%
+48.4%
Q1 2015$1,136,000
+44.5%
93,981
-0.8%
0.16%
+39.5%
Q4 2014$786,000
-17.1%
94,710
-13.2%
0.11%
-21.4%
Q3 2014$948,000109,1300.14%
Other shareholders
SUPERNUS PHARMACEUTICALS INC shareholders Q4 2018
NameSharesValueWeighting ↓
ASHFORD CAPITAL MANAGEMENT INC 826,488$23,918,5633.20%
ARMISTICE CAPITAL, LLC 4,650,000$134,571,0001.84%
Seaport Global Advisors, LLC 16,069$465,0371.11%
Aristotle Capital Boston, LLC 1,159,828$33,565,4191.03%
S&T BANK/PA 189,356$5,4801.01%
RICE HALL JAMES & ASSOCIATES, LLC 529,952$15,336,8110.89%
Bridge City Capital, LLC 78,675$2,276,8550.88%
Tributary Capital Management, LLC 346,261$10,020,7930.84%
Bruce & Co., Inc. 82,105$2,376,1190.83%
Stephens Investment Management Group LLC 1,904,864$55,126,7640.81%
View complete list of SUPERNUS PHARMACEUTICALS INC shareholders