Jane Street’s Repligen RGEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $5.02M | Buy |
36,759
+1,781
| +5% | +$219K | ﹤0.01% | 3706 |
|
|
2026
Q1 | $4.12M | Sell |
34,978
-1,838
| -5% | -$257K | ﹤0.01% | 3796 |
|
|
2025
Q4 | $6.03M | Sell |
36,816
-108,400
| -75% | -$17M | ﹤0.01% | 2955 |
|
|
2025
Q3 | $19.4M | Sell |
145,216
-63,864
| -31% | -$7.76M | ﹤0.01% | 1690 |
|
|
2025
Q2 | $26M | Buy |
209,080
+54,376
| +35% | +$6.92M | 0.01% | 1211 |
|
|
2025
Q1 | $19.7M | Buy |
154,704
+138,640
| +863% | +$21.3M | 0.01% | 1314 |
|
|
2024
Q4 | $2.31M | Sell |
16,064
-58,149
| -78% | -$8.34M | ﹤0.01% | 3863 |
|
|
2024
Q3 | $11M | Sell |
74,213
-52,992
| -42% | -$7.6M | ﹤0.01% | 1813 |
|
|
2024
Q2 | $16M | Buy |
127,205
+90,515
| +247% | +$14.2M | ﹤0.01% | 1512 |
|
|
2024
Q1 | $6.75M | Sell |
36,690
-5,366
| -13% | -$1.02M | ﹤0.01% | 2232 |
|
|
2023
Q4 | $7.56M | Buy |
42,056
+15,121
| +56% | +$2.35M | ﹤0.01% | 2308 |
|
|
2023
Q3 | $4.28M | Buy |
26,935
+11,668
| +76% | +$1.91M | ﹤0.01% | 2836 |
|
|
2023
Q2 | $2.16M | Sell |
15,267
-16,259
| -52% | -$2.61M | ﹤0.01% | 4058 |
|
|
2023
Q1 | $5.31M | Buy |
31,526
+19,650
| +165% | +$3.51M | ﹤0.01% | 2358 |
|
|
2022
Q4 | $2.01M | Sell |
11,876
-164,939
| -93% | -$29.9M | ﹤0.01% | 3852 |
|
|
2022
Q3 | $33.1M | Buy |
176,815
+144,731
| +451% | +$30.5M | 0.01% | 728 |
|
|
2022
Q2 | $5.21M | Buy |
32,084
+28,025
| +690% | +$4.43M | ﹤0.01% | 2605 |
|
|
2022
Q1 | $763K | Sell |
4,059
-34,358
| -89% | -$6.53M | ﹤0.01% | 6692 |
|
|
2021
Q4 | $10.2M | Sell |
38,417
-35,141
| -48% | -$9.47M | ﹤0.01% | 1864 |
|
|
2021
Q3 | $21.3M | Buy |
73,558
+60,180
| +450% | +$15.4M | 0.01% | 1100 |
|
|
2021
Q2 | $2.67M | Sell |
13,378
-2,610
| -16% | -$506K | ﹤0.01% | 3778 |
|
|
2021
Q1 | $3.11M | Buy |
15,988
+521
| +3% | +$107K | ﹤0.01% | 3175 |
|
|
2020
Q4 | $2.96M | Sell |
15,467
-5,747
| -27% | -$1.05M | ﹤0.01% | 2835 |
|
|
2020
Q3 | $3.13M | Sell |
21,214
-104,882
| -83% | -$15M | ﹤0.01% | 2386 |
|
|
2020
Q2 | $15.6M | Buy |
126,096
+121,360
| +2,563% | +$14.3M | 0.01% | 886 |
|
|
2020
Q1 | $457K | Sell |
4,736
-22,155
| -82% | -$2.14M | ﹤0.01% | 3718 |
|
|
2019
Q4 | $2.49M | Buy |
26,891
+4,714
| +21% | +$396K | ﹤0.01% | 1699 |
|
|
2019
Q3 | $1.7M | Buy |
+22,177
| New | +$1.94M | ﹤0.01% | 1977 |
|
|
2019
Q1 | – | Sell |
-11,427
| Closed | -$603K | – | 5522 |
|
|
2018
Q4 | $603K | Buy |
11,427
+1,645
| +17% | +$96.5K | ﹤0.01% | 3217 |
|
|
2018
Q3 | $543K | Buy |
+9,782
| New | +$504K | ﹤0.01% | 3510 |
|
|
2015
Q1 | – | Sell |
-12,026
| Closed | -$238K | – | 3420 |
|
|
2014
Q4 | $238K | Buy |
+12,026
| New | +$269K | ﹤0.01% | 2073 |
|
|
2014
Q1 | – | Sell |
-11,348
| Closed | -$155K | – | 3000 |
|
|
2013
Q4 | $155K | Sell |
11,348
-2,108
| -16% | -$25.2K | ﹤0.01% | 2095 |
|
|
2013
Q3 | $149K | Buy |
+13,456
| New | +$134K | ﹤0.01% | 2483 |
|
Other funds holding RGEN
MC
WA
Jane Street's RGEN Position: Q2 2026 in Review
Jane Street increased its Repligen (RGEN) stake by 5.1% in Q2 2026, buying an estimated $219K and bringing the position to 36,759 shares worth $5.02M. The position accounts for ﹤0.01% of the portfolio, ranked #3706.
Jane Street first reported a position in RGEN in Q3 2013 and has held it in 33 quarters since. The position peaked at $33.1M in Q3 2022. 444 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.
- Jane Street held 36,759 shares of Repligen worth $5.02M as of Q2 2026.
- Jane Street bought 1,781 Repligen shares in Q2 2026, an estimated $219K.
- Repligen made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #3706 holding.
- Jane Street first reported a position in Repligen in Q3 2013 and has held it in 33 quarters since.
- Jane Street's Repligen position peaked at $33.1M in Q3 2022.
- 444 funds tracked by Wall St. Rank held Repligen as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.