SIMPLEX TRADING, LLC - FLEX PHARMA INC ownership

FLEX PHARMA INC's ticker is FLKS and the CUSIP is 33938A105. A total of 27 filers reported holding FLEX PHARMA INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of FLEX PHARMA INC
ValueSharesWeighting
Q3 2018$0100
-6.5%
0.00%
Q2 2018$0
-100.0%
107
-70.2%
0.00%
Q1 2018$1,000359
+33.5%
0.00%
Q4 2017$0
-100.0%
269
-97.2%
0.00%
-100.0%
Q3 2017$32,0009,6280.00%
Other shareholders
FLEX PHARMA INC shareholders Q4 2018
NameSharesValueWeighting ↓
EcoR1 Capital, LLC 908,691$15,629,0005.21%
ACUTA CAPITAL PARTNERS, LLC 88,716$1,526,0000.94%
Tekla Capital Management LLC 232,600$4,001,0000.14%
THOMPSON DAVIS & CO., INC. 6,625$114,0000.13%
Lombard Odier Asset Management (USA) Corp 103,318$1,777,0000.13%
Abingworth LLP 10,000$172,0000.08%
WALL STREET ASSOCIATES 40,000$688,0000.06%
AWM Investment Company, Inc. 25,000$430,0000.06%
Nicholas Investment Partners, LP 46,474$799,0000.05%
Visium Asset Management, LP 119,900$2,062,0000.03%
View complete list of FLEX PHARMA INC shareholders