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Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

RGEN holding history

Repligen Corp in every 13F filed by First Manhattan Co, 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)
5,365
Value
$732.0K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of RGEN by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,365$732.0K<0.1%−1,185−18.1%ReducedHolders
Q1 20266,550$771.7K<0.1%00.0%UnchangedHolders
Q4 20256,550$1.07M<0.1%00.0%UnchangedHolders
Q3 20256,550$875.5K<0.1%00.0%UnchangedHolders
Q2 20256,550$814.7K<0.1%00.0%UnchangedHolders
Q1 20256,550$833.4K<0.1%00.0%UnchangedHolders
Q4 20246,550$942.8K<0.1%00.0%UnchangedHolders
Q3 20246,550$974.8K<0.1%−10.0%ReducedHolders
Q2 20246,551$825.8K<0.1%−79−1.2%ReducedHolders
Q1 20246,630$1.22M<0.1%00.0%UnchangedHolders
Q4 20236,630$1.19M<0.1%−1,029−13.4%ReducedHolders
Q3 20237,659$1.22M<0.1%+501+7.0%AddedHolders
Q2 20237,158$1.01M<0.1%00.0%UnchangedHolders
Q1 20237,158$1.21M<0.1%00.0%UnchangedHolders
Q4 20227,158$1.21M<0.1%+1,063+17.4%AddedHolders
Q3 20226,095$1.14M<0.1%−4,000−39.6%ReducedHolders
Q2 202210,095$1.64M<0.1%00.0%UnchangedHolders
Q1 202210,095$1.90M<0.1%+580+6.1%AddedHolders
Q4 20219,515$2.52M<0.1%00.0%UnchangedHolders
Q3 20219,515$2.75M<0.1%00.0%UnchangedHolders
Q2 20219,515$1.90M<0.1%00.0%UnchangedHolders
Q1 20219,515$1.85M<0.1%––Holders

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