SIMPLEX TRADING, LLC - GALAPAGOS NV ownership

GALAPAGOS NV's ticker is GLPG and the CUSIP is 36315X101. A total of 116 filers reported holding GALAPAGOS NV in Q4 2020. The put-call ratio across all filers is 3.59 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of GALAPAGOS NV
ValueSharesWeighting
Q2 2023$55
-81.2%
1,355
-82.2%
0.00%
Q1 2023$293
-99.8%
7,604
+281.3%
0.00%
Q1 2022$123,000
-84.0%
1,994
-63.3%
0.00%
-100.0%
Q3 2020$770,000
-79.3%
5,432
-71.2%
0.00%
-83.3%
Q2 2020$3,725,000
+35.7%
18,883
+34.8%
0.01%
+20.0%
Q1 2020$2,745,000
+14.2%
14,011
+20.6%
0.01%0.0%
Q4 2019$2,403,000
+47960.0%
11,620
+32177.8%
0.01%
Q3 2019$5,000
-99.7%
36
-99.7%
0.00%
-100.0%
Q2 2019$1,703,000
+170200.0%
13,209
+73283.3%
0.01%
Q4 2018$1,000
-88.9%
18
-81.6%
0.00%
Q4 2017$9,000
-40.0%
98
-51.0%
0.00%
-100.0%
Q2 2017$15,0002000.00%
Other shareholders
GALAPAGOS NV shareholders Q4 2020
NameSharesValueWeighting ↓
EcoR1 Capital, LLC 561,341$36,032,00011.47%
DAFNA Capital Management LLC 66,068$4,241,0003.73%
Cormorant Asset Management, LP 334,044$21,409,0002.89%
P.A.W. CAPITAL CORP 25,000$1,605,0001.81%
Perceptive Advisors 304,531$20,631,0001.47%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 423,112$27,160,0001.12%
Rock Springs Capital Management LP 210,000$13,480,0000.90%
Atika Capital Management LLC 23,000$1,476,0000.88%
Tekla Capital Management LLC 115,738$7,429,0000.32%
Orbimed Advisors 283,500$18,198,0000.23%
View complete list of GALAPAGOS NV shareholders