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Livermore
Livermore
ZHEN

Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

RGEN holding history

Repligen Corp in every 13F filed by Marshall Wace, LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

RGEN overviewAll 13F holders of RGENFull Q2 2026 holdings

Shares (Q2 2026)
282,107
Value
$38.5M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of RGEN by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026282,107$38.5M<0.1%+282,107NewHolders
Q1 20260$00.0%−516,336−100.0%Sold outHolders
Q4 2025516,336$84.6M0.1%+335,273+185.2%AddedHolders
Q3 2025181,063$24.2M<0.1%+96,868+115.1%AddedHolders
Q2 202584,195$10.5M<0.1%−573−0.7%ReducedHolders
Q1 202584,768$10.8M<0.1%−327,467−79.4%ReducedHolders
Q4 2024412,235$59.3M0.1%+175,013+73.8%AddedHolders
Q3 2024237,222$35.3M<0.1%−127,329−34.9%ReducedHolders
Q2 2024364,551$46.0M0.1%+3,864+1.1%AddedHolders
Q1 2024360,687$66.3M0.1%+39,910+12.4%AddedHolders
Q4 2023320,777$57.7M0.1%−13,502−4.0%ReducedHolders
Q3 2023334,279$53.2M0.1%−115,209−25.6%ReducedHolders
Q2 2023449,488$63.6M0.1%+263,259+141.4%AddedHolders
Q1 2023186,229$31.4M0.1%+123,078+194.9%AddedHolders
Q4 202263,151$10.7M<0.1%−131,164−67.5%ReducedHolders
Q3 2022194,315$36.4M0.1%−178,562−47.9%ReducedHolders
Q2 2022372,877$60.6M0.1%+8,630+2.4%AddedHolders
Q1 2022364,247$68.5M0.1%−10,386−2.8%ReducedHolders
Q4 2021374,633$99.2M0.2%−145,497−28.0%ReducedHolders
Q3 2021520,130$150.3M0.7%−182,784−26.0%ReducedHolders
Q2 2021702,914$140.3M0.7%−240,810−25.5%ReducedHolders
Q1 2021943,724$183.5M1.0%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.