Skip to main content

Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

RGEN holding history

Repligen Corp in every 13F filed by Simplex Trading, 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 (Q2 2026)
9,820
Value
$1.34M
% of portfolio
<0.1%
Quarters held
9
Since Q2 2023
Holdings of RGEN by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20269,820$1.34M<0.1%+8,917+987.5%AddedHolders
Q1 2026903$106.4K<0.1%+903NewHolders
Q4 20250$00.0%−2,943−100.0%Sold outHolders
Q3 20252,943$393.0K<0.1%+2,943NewHolders
Q2 20250$00.0%−3,504−100.0%Sold outHolders
Q1 20253,504$445.0K<0.1%+223+6.8%AddedHolders
Q4 20243,281$472.0K<0.1%−876−21.1%ReducedHolders
Q3 20244,157$618.0K<0.1%−2,864−40.8%ReducedHolders
Q2 20247,021$885.0K<0.1%+7,021NewHolders
Q4 20230$00.0%−2,433−100.0%Sold outHolders
Q3 20232,433$386.0K<0.1%−293−10.7%ReducedHolders
Q2 20232,726$385.0K<0.1%+2,726NewHolders