Group One Trading’s Repligen RGEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-299
| Closed | -$46.8K | – | 8996 |
|
|
2025
Q3 | $40K | Buy |
+299
| New | +$36.3K | ﹤0.01% | 6151 |
|
|
2023
Q4 | – | Sell |
-4,408
| Closed | -$686K | – | 8069 |
|
|
2023
Q3 | $701K | Buy |
4,408
+4,010
| +1,008% | +$656K | ﹤0.01% | 2596 |
|
|
2023
Q2 | $56.3K | Buy |
+398
| New | +$63.8K | ﹤0.01% | 5170 |
|
|
2022
Q1 | – | Sell |
-4,837
| Closed | -$919K | – | 8584 |
|
|
2021
Q4 | $1.28M | Buy |
+4,837
| New | +$1.3M | ﹤0.01% | 3086 |
|
|
2021
Q2 | – | Sell |
-1,224
| Closed | -$237K | – | 8509 |
|
|
2021
Q1 | $238K | Buy |
+1,224
| New | +$251K | ﹤0.01% | 4842 |
|
|
2020
Q3 | – | Sell |
-1,154
| Closed | -$165K | – | 6480 |
|
|
2020
Q2 | $143K | Buy |
+1,154
| New | +$136K | ﹤0.01% | 3645 |
|
|
2020
Q1 | – | Sell |
-2,799
| Closed | -$270K | – | 5664 |
|
|
2019
Q4 | $259K | Buy |
2,799
+2,719
| +3,399% | +$228K | ﹤0.01% | 2975 |
|
|
2019
Q3 | $6K | Buy |
+80
| New | +$7K | ﹤0.01% | 4728 |
|
|
2019
Q2 | – | Sell |
-6,361
| Closed | -$434K | – | 5320 |
|
|
2019
Q1 | $376K | Buy |
+6,361
| New | +$366K | ﹤0.01% | 2177 |
|
|
2018
Q2 | – | Sell |
-12,219
| Closed | -$503K | – | 5399 |
|
|
2018
Q1 | $442K | Buy |
+12,219
| New | +$430K | ﹤0.01% | 2152 |
|
|
2017
Q4 | – | Sell |
-2,907
| Closed | -$105K | – | 5158 |
|
|
2017
Q3 | $111K | Buy |
+2,907
| New | +$122K | ﹤0.01% | 3175 |
|
|
2016
Q2 | – | Sell |
-4,082
| Closed | -$104K | – | 4891 |
|
|
2016
Q1 | $109K | Buy |
4,082
+1,147
| +39% | +$28.1K | ﹤0.01% | 2771 |
|
|
2015
Q4 | $83K | Sell |
2,935
-15,359
| -84% | -$443K | ﹤0.01% | 3102 |
|
|
2015
Q3 | $509K | Buy |
18,294
+6,078
| +50% | +$220K | 0.01% | 1766 |
|
|
2015
Q2 | $504K | Buy |
+12,216
| New | +$448K | 0.01% | 1775 |
|
|
2015
Q1 | – | Sell |
-3,352
| Closed | -$86.9K | – | 5104 |
|
|
2014
Q4 | $66K | Buy |
+3,352
| New | +$74.9K | ﹤0.01% | 3172 |
|
|
2014
Q3 | – | Sell |
-10,904
| Closed | -$229K | – | 5404 |
|
|
2014
Q2 | $249K | Sell |
10,904
-9,279
| -46% | -$165K | ﹤0.01% | 2205 |
|
|
2014
Q1 | $260K | Buy |
+20,183
| New | +$289K | ﹤0.01% | 2217 |
|
|
2013
Q3 | – | Sell |
-22,358
| Closed | -$222K | – | 5519 |
|
|
2013
Q2 | $184K | Buy |
+22,358
| New | +$188K | ﹤0.01% | 2252 |
|
Other funds holding RGEN
UCFA
VCM
VPM
MC
Group One Trading's RGEN Position: Q4 2025 in Review
Group One Trading sold out of Repligen (RGEN) in Q4 2025, closing a stake of 299 shares — an estimated $46.8K sold.
Group One Trading first reported a position in RGEN in Q2 2013 and held it in 19 quarters. The position peaked at $1.28M in Q4 2021. 474 funds tracked by Wall St. Rank hold RGEN as of Q4 2025.
- Group One Trading reported no remaining Repligen position as of Q4 2025 after selling out during the quarter.
- Group One Trading sold 299 Repligen shares in Q4 2025, an estimated $46.8K.
- Group One Trading first reported a position in Repligen in Q2 2013 and held it in 19 quarters.
- Group One Trading's Repligen position peaked at $1.28M in Q4 2021.
- 474 funds tracked by Wall St. Rank held Repligen as of Q4 2025.
Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.