CASTLEARK MANAGEMENT LLC - REPLIGEN CORP ownership

REPLIGEN CORP's ticker is RGEN and the CUSIP is 759916109. A total of 487 filers reported holding REPLIGEN CORP in Q1 2024. The put-call ratio across all filers is 0.22 and the average weighting 0.1%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of REPLIGEN CORP
ValueSharesWeighting
Q1 2024$573,830
-85.8%
3,120
-87.7%
0.02%
-88.3%
Q3 2023$4,032,494
+752.5%
25,360
+902.4%
0.20%
+688.5%
Q3 2022$473,000
+97.9%
2,530
+72.1%
0.03%
+100.0%
Q2 2022$239,000
-13.4%
1,4700.0%0.01%
+8.3%
Q1 2022$276,000
-29.0%
1,4700.0%0.01%
-14.3%
Q4 2021$389,000
-8.5%
1,4700.0%0.01%
-12.5%
Q3 2021$425,000
+183.3%
1,470
+96.0%
0.02%
+220.0%
Q2 2021$150,000
+2.7%
7500.0%0.01%0.0%
Q1 2021$146,000
-98.7%
750
-99.3%
0.01%
-99.2%
Q1 2020$10,916,000
+1.0%
113,076
-3.2%
0.65%
+49.5%
Q4 2019$10,807,000
+85.9%
116,831
+54.2%
0.43%
+82.3%
Q3 2019$5,812,000
+161.9%
75,780
+193.5%
0.24%
+178.8%
Q2 2019$2,219,000
-54.8%
25,820
-79.8%
0.08%
-44.8%
Q3 2017$4,905,000
-35.4%
127,998
-30.1%
0.15%
-37.9%
Q2 2017$7,592,000
+120.4%
183,203
+48.1%
0.25%
+123.4%
Q3 2015$3,445,000
-3.2%
123,690
+43.5%
0.11%
+16.8%
Q2 2015$3,559,00086,2250.10%
Other shareholders
REPLIGEN CORP shareholders Q1 2024
NameSharesValueWeighting ↓
Conestoga Capital Advisors, LLC 1,040,233$31,581,0002.16%
WALL STREET ASSOCIATES 697,600$21,179,0002.00%
APIS CAPITAL ADVISORS, LLC 40,300$1,223,0001.67%
D L CARLSON INVESTMENT GROUP INC 109,535$3,325,0001.18%
TAMRO Capital Partners LLC 530,690$16,112,0001.11%
Matarin Capital Management, LLC 109,848$3,334,985,0001.01%
AWM Investment Company, Inc. 230,000$6,983,0000.97%
FALCON POINT CAPITAL, LLC 35,533$1,079,0000.84%
DRILL CRAIG A 21,400$650,0000.74%
Pier Capital, LLC 160,601$4,876,0000.73%
View complete list of REPLIGEN CORP shareholders