SIMPLEX TRADING, LLC - REPLIGEN CORP ownership

REPLIGEN CORP's ticker is RGEN and the CUSIP is 759916109. A total of 448 filers reported holding REPLIGEN CORP in Q4 2020. The put-call ratio across all filers is 1.34 and the average weighting 0.2%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of REPLIGEN CORP
ValueSharesWeighting
Q3 2023$386
+0.3%
2,433
-10.7%
0.00%
Q2 2023$385
-99.9%
2,726
+0.7%
0.00%
-100.0%
Q4 2020$518,000
+463.0%
2,707
+331.7%
0.00%
Q3 2020$92,000
-73.8%
627
-77.9%
0.00%
-100.0%
Q2 2020$351,0002,842
+20200.0%
0.00%
Q1 2019$0
-100.0%
14
-99.7%
0.00%
-100.0%
Q4 2018$246,000
+176.4%
4,680
+90.0%
0.00%
-75.0%
Q4 2017$89,000
-36.9%
2,463
-33.2%
0.00%
-33.3%
Q3 2017$141,000
+6.8%
3,685
-2.4%
0.01%0.0%
Q1 2017$132,000
-9.0%
3,777
-29.1%
0.01%
-40.0%
Q2 2016$145,000
+590.5%
5,330
+586.0%
0.01%
+400.0%
Q3 2015$21,0007770.00%
Other shareholders
REPLIGEN CORP shareholders Q4 2020
NameSharesValueWeighting ↓
12 West Capital Management LP 1,102,383$211,250,0009.08%
Ranger Investment Management 339,771$65,110,0003.43%
Pinz Capital Management, LP 36,400$6,975,0003.17%
Conestoga Capital Advisors, LLC 1,021,918$195,830,0003.12%
Ally Bridge Group (NY) LLC 82,500$15,809,0002.71%
AWM Investment Company, Inc. 100,000$19,163,0002.44%
Nicholas Investment Partners, LP 130,491$25,006,0001.93%
BBR PARTNERS, LLC 120,221$23,038,0001.91%
FRIESS ASSOCIATES LLC 129,430$24,803,0001.83%
Stephens Investment Management Group LLC 628,456$120,431,0001.79%
View complete list of REPLIGEN CORP shareholders