Marshall Wace’s Repligen RGEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-516,336
| Closed | -$84.6M | – | 3612 |
|
|
2025
Q4 | $84.6M | Buy |
516,336
+335,273
| +185% | +$52.5M | 0.08% | 210 |
|
|
2025
Q3 | $24.2M | Buy |
181,063
+96,868
| +115% | +$11.8M | 0.02% | 572 |
|
|
2025
Q2 | $10.5M | Sell |
84,195
-573
| -0.7% | -$72.9K | 0.01% | 818 |
|
|
2025
Q1 | $10.8M | Sell |
84,768
-327,467
| -79% | -$50.4M | 0.01% | 745 |
|
|
2024
Q4 | $59.3M | Buy |
412,235
+175,013
| +74% | +$25.1M | 0.07% | 254 |
|
|
2024
Q3 | $35.3M | Sell |
237,222
-127,329
| -35% | -$18.3M | 0.04% | 357 |
|
|
2024
Q2 | $46M | Buy |
364,551
+3,864
| +1% | +$606K | 0.06% | 282 |
|
|
2024
Q1 | $66.3M | Buy |
360,687
+39,910
| +12% | +$7.6M | 0.1% | 196 |
|
|
2023
Q4 | $57.7M | Sell |
320,777
-13,502
| -4% | -$2.1M | 0.1% | 211 |
|
|
2023
Q3 | $53.2M | Sell |
334,279
-115,209
| -26% | -$18.8M | 0.11% | 195 |
|
|
2023
Q2 | $63.6M | Buy |
449,488
+263,259
| +141% | +$42.2M | 0.12% | 176 |
|
|
2023
Q1 | $31.4M | Buy |
186,229
+123,078
| +195% | +$22M | 0.07% | 314 |
|
|
2022
Q4 | $10.7M | Sell |
63,151
-131,164
| -68% | -$23.8M | 0.02% | 756 |
|
|
2022
Q3 | $36.4M | Sell |
194,315
-178,562
| -48% | -$37.7M | 0.08% | 283 |
|
|
2022
Q2 | $60.6M | Buy |
372,877
+8,630
| +2% | +$1.36M | 0.12% | 166 |
|
|
2022
Q1 | $68.5M | Sell |
364,247
-10,386
| -3% | -$1.97M | 0.13% | 163 |
|
|
2021
Q4 | $99.2M | Sell |
374,633
-145,497
| -28% | -$39.2M | 0.18% | 100 |
|
|
2021
Q3 | $150M | Sell |
520,130
-182,784
| -26% | -$46.9M | 0.62% | 15 |
|
|
2021
Q2 | $140M | Sell |
702,914
-240,810
| -26% | -$46.7M | 0.63% | 14 |
|
|
2021
Q1 | $183M | Sell |
943,724
-537,556
| -36% | -$110M | 0.84% | 12 |
|
|
2020
Q4 | $284M | Buy |
1,481,280
+573,604
| +63% | +$104M | 1.54% | 5 |
|
|
2020
Q3 | $134M | Buy |
907,676
+264,563
| +41% | +$37.8M | 0.86% | 17 |
|
|
2020
Q2 | $79.5M | Buy |
643,113
+78,601
| +14% | +$9.25M | 0.56% | 29 |
|
|
2020
Q1 | $54.5M | Buy |
+564,512
| New | +$54.5M | 0.54% | 32 |
|
|
2019
Q4 | – | Sell |
-6,385
| Closed | -$490K | – | 2003 |
|
|
2019
Q3 | $490K | Sell |
6,385
-103,501
| -94% | -$9.05M | ﹤0.01% | 1112 |
|
|
2019
Q2 | $9.45M | Buy |
+109,886
| New | +$7.49M | 0.08% | 295 |
|
|
2019
Q1 | – | Sell |
-4,165
| Closed | -$219K | – | 2009 |
|
|
2018
Q4 | $219K | Buy |
+4,165
| New | +$244K | ﹤0.01% | 1266 |
|
|
2017
Q1 | – | Sell |
-339,257
| Closed | -$10.5M | – | 667 |
|
|
2016
Q4 | $10.5M | Sell |
339,257
-16,641
| -5% | -$515K | 0.07% | 323 |
|
|
2016
Q3 | $10.7M | Buy |
355,898
+283,746
| +393% | +$8.56M | 0.08% | 270 |
|
|
2016
Q2 | $1.97M | Buy |
+72,152
| New | +$1.84M | 0.02% | 592 |
|
|
2015
Q2 | – | Sell |
-116,524
| Closed | -$3.54M | – | 1024 |
|
|
2015
Q1 | $3.54M | Sell |
116,524
-154,481
| -57% | -$4.01M | 0.05% | 380 |
|
|
2014
Q4 | $5.37M | Buy |
271,005
+64,764
| +31% | +$1.45M | 0.07% | 294 |
|
|
2014
Q3 | $4.11M | Buy |
206,241
+30,220
| +17% | +$636K | 0.06% | 322 |
|
|
2014
Q2 | $4.01M | Buy |
+176,021
| New | +$3.13M | 0.06% | 296 |
|
Other funds holding RGEN
UCFA
VCM
VPM
MC
Marshall Wace's RGEN Position: Q1 2026 in Review
Marshall Wace sold out of Repligen (RGEN) in Q1 2026, closing a stake of 516,336 shares — an estimated $84.6M sold.
Marshall Wace first reported a position in RGEN in Q2 2014 and held it in 34 quarters. The position peaked at $284M in Q4 2020. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.
- Marshall Wace reported no remaining Repligen position as of Q1 2026 after selling out during the quarter.
- Marshall Wace sold 516,336 Repligen shares in Q1 2026, an estimated $84.6M.
- Marshall Wace first reported a position in Repligen in Q2 2014 and held it in 34 quarters.
- Marshall Wace's Repligen position peaked at $284M in Q4 2020.
- 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.