CASTLEARK MANAGEMENT LLC - SUPERNUS PHARMACEUTICALS INC ownership

SUPERNUS PHARMACEUTICALS INC's ticker is SUPN and the CUSIP is 868459108. A total of 230 filers reported holding SUPERNUS PHARMACEUTICALS INC in Q1 2022. The put-call ratio across all filers is 0.96 and the average weighting 0.1%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of SUPERNUS PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2023$4,017,182
+92.7%
110,880
+89.7%
0.20%
+80.7%
Q4 2022$2,084,555
+7.3%
58,440
+1.8%
0.11%
+0.9%
Q3 2022$1,943,000
-6.7%
57,390
-20.3%
0.11%
-2.7%
Q2 2022$2,082,000
+53.4%
71,990
+71.5%
0.11%
+88.1%
Q1 2022$1,357,000
+855.6%
41,980
+880.8%
0.06%
+883.3%
Q4 2018$142,000
-34.0%
4,2800.0%0.01%0.0%
Q3 2018$215,000
-98.8%
4,280
-98.6%
0.01%
-98.9%
Q2 2018$18,065,000
+42.5%
301,845
-4.8%
0.56%
+39.7%
Q3 2017$12,678,000
+31.7%
316,940
+41.9%
0.40%
+26.3%
Q2 2017$9,626,000
+9.4%
223,350
-20.5%
0.32%
+14.1%
Q1 2017$8,798,000
+5.4%
281,091
-15.0%
0.28%
+3.8%
Q4 2016$8,346,000
-5.8%
330,541
-7.8%
0.27%
-0.7%
Q3 2016$8,863,000
-2.0%
358,376
-19.3%
0.27%
-7.3%
Q2 2016$9,048,000
+162.8%
444,161
+96.7%
0.29%
+167.6%
Q1 2016$3,443,000
-1.2%
225,762
-12.9%
0.11%
+2.9%
Q4 2015$3,485,000
-33.7%
259,272
-30.7%
0.10%
-37.9%
Q3 2015$5,253,000
-29.8%
374,387
-15.0%
0.17%
-15.5%
Q2 2015$7,480,000440,5250.20%
Other shareholders
SUPERNUS PHARMACEUTICALS INC shareholders Q1 2022
NameSharesValueWeighting ↓
INTERNATIONAL BIOTECHNOLOGY TRUST PLC 426,500$11,754,3403.96%
ASHFORD CAPITAL MANAGEMENT INC 916,747$25,274,7153.72%
ARMISTICE CAPITAL, LLC 5,092,000$140,386,4402.15%
S&T BANK/PA 215,578$5,9431.15%
Aristotle Capital Boston, LLC 1,187,981$32,752,6341.06%
RICE HALL JAMES & ASSOCIATES, LLC 544,468$15,010,9830.95%
Tributary Capital Management, LLC 352,429$9,716,4680.92%
Bridge City Capital, LLC 65,297$1,800,2380.91%
Integral Health Asset Management, LLC 220,000$6,065,4000.84%
Retirement Planning Co of New England, Inc. 51,608$1,422,8330.79%
View complete list of SUPERNUS PHARMACEUTICALS INC shareholders