DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - ARENA PHARMACEUTICALS INC ownership

ARENA PHARMACEUTICALS INC's ticker is ARNA and the CUSIP is 040047607. A total of 167 filers reported holding ARENA PHARMACEUTICALS INC in Q2 2018. The put-call ratio across all filers is 1.05 and the average weighting 0.2%.

Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of ARENA PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2018$17,361,000
-37.0%
398,194
-42.9%
0.61%
-36.1%
Q1 2018$27,539,000
-46.8%
697,194
-54.2%
0.95%
-53.1%
Q4 2017$51,722,000
+89.2%
1,522,566
+42.0%
2.04%
+65.3%
Q3 2017$27,344,000
+289.0%
1,072,329
+157.3%
1.23%
+228.5%
Q2 2017$7,030,000416,7290.38%
Other shareholders
ARENA PHARMACEUTICALS INC shareholders Q2 2018
NameSharesValueWeighting ↓
Prosight Management, LP 252,500$11,320,0004.95%
Rubric Capital Management LP 857,103$38,424,0003.59%
PFM Health Sciences, LP 3,255,230$145,932,0003.22%
Partner Investment Management, L.P. 40,605$1,820,0002.10%
DAFNA Capital Management LLC 93,942$4,211,0001.82%
Atika Capital Management LLC 195,000$8,742,0001.78%
Perceptive Advisors 1,400,171$62,770,0001.77%
EMORY UNIVERSITY 47,779$2,142,0001.51%
Rhenman & Partners Asset Management AB 234,558$10,515,0001.23%
Eversept Partners, LP 75,721$3,394,5720.99%
View complete list of ARENA PHARMACEUTICALS INC shareholders