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Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

RGEN holding history

Repligen Corp in every 13F filed by Renaissance Technologies LLC, 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 (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
10
Since Q1 2021
Holdings of RGEN by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−109,404−100.0%Sold outHolders
Q3 2025109,404$14.6M<0.1%+43,100+65.0%AddedHolders
Q2 202566,304$8.25M<0.1%+66,304NewHolders
Q3 20240$00.0%−42,204−100.0%Sold outHolders
Q2 202442,204$5.32M<0.1%+42,204NewHolders
Q4 20220$00.0%−18,912−100.0%Sold outHolders
Q3 202218,912$3.54M<0.1%−232,804−92.5%ReducedHolders
Q2 2022251,716$40.9M<0.1%+30,900+14.0%AddedHolders
Q1 2022220,816$41.5M<0.1%+44,100+25.0%AddedHolders
Q4 2021176,716$46.8M0.1%−19,496−9.9%ReducedHolders
Q3 2021196,212$56.7M0.1%−160,004−44.9%ReducedHolders
Q2 2021356,216$71.1M0.1%−105,796−22.9%ReducedHolders
Q1 2021462,012$89.8M0.1%––Holders

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