David A. Siegel Repligen Corp Transaction History

Two Sigma Advisers, LP

$46.1 Billion
Q2 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Repligen Corp stock. As of the latest transaction made, Two Sigma Advisers, LP holds 4,100 shares of RGEN stock, worth $633,655. This represents 0.0% of its overall portfolio holdings.

Number of Shares

4,100

Holding current value

$633,655

% of portfolio

0.0%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$108.89 - $145.23 $446,449 - $595,443	4,100 New	4,100 $509,000
Q4 2024 Feb 14, 2025	BUY	$123.41 - $160.92 $1.05 Million - $1.37 Million	8,500 Added 6.73%	134,800 $19.4 Million
Q3 2024 Nov 14, 2024	BUY	$119.79 - $167.35 $12.2 Million - $17.1 Million	102,100 Added 421.9%	126,300 $18.8 Million
Q2 2024 Aug 14, 2024	BUY	$120.0 - $182.95 $2.9 Million - $4.43 Million	24,200 New	24,200 $3.05 Million
Q2 2023 Aug 14, 2023	BUY	$138.42 - $180.31 $622,890 - $811,395	4,500 New	4,500 $636,000
Q1 2022 May 16, 2022	SELL	$161.19 - $257.96 $467,451 - $748,083	-2,900 Closed	0 $0
Q4 2021 Feb 14, 2022	BUY	$247.59 - $304.47 $718,011 - $882,963	2,900 New	2,900 $768,000
Q2 2021 Aug 16, 2021	SELL	$165.87 - $220.95 $1.36 Million - $1.81 Million	-8,200 Closed	0 $0
Q1 2021 May 17, 2021	BUY	$180.37 - $226.26 $1.15 Million - $1.45 Million	6,400 Added 355.56%	8,200 $1.59 Million
Q4 2020 Feb 16, 2021	SELL	$148.08 - $206.57 $2.71 Million - $3.78 Million	-18,300 Reduced 91.04%	1,800 $345,000
Q3 2020 Nov 16, 2020	BUY	$122.51 - $158.27 $1.46 Million - $1.88 Million	11,900 Added 145.12%	20,100 $2.97 Million
Q2 2020 Aug 14, 2020	BUY	$94.33 - $140.48 $773,506 - $1.15 Million	8,200 New	8,200 $1.01 Million
Q4 2019 Feb 14, 2020	SELL	$73.84 - $93.08 $435,656 - $549,172	-5,900 Closed	0 $0
Q3 2019 Nov 14, 2019	BUY	$76.65 - $95.51 $145,635 - $181,469	1,900 Added 47.5%	5,900 $452,000
Q2 2019 Aug 14, 2019	SELL	$54.2 - $85.95 $162,600 - $257,850	-3,000 Reduced 42.86%	4,000 $344,000
Q1 2019 May 15, 2019	SELL	$49.45 - $62.8 $143,405 - $182,120	-2,900 Reduced 29.29%	7,000 $414,000
Q4 2018 Feb 14, 2019	BUY	$48.26 - $68.88 $477,774 - $681,912	9,900 New	9,900 $522,000
Q4 2017 Feb 14, 2018	SELL	$32.53 - $38.92 $1.2 Million - $1.44 Million	-37,000 Closed	0 $0
Q3 2017 Nov 14, 2017	BUY	$36.98 - $46.06 $1.37 Million - $1.7 Million	37,000	37,000 $1.42 Million

Others Institutions Holding RGEN

# of Institutions

506

Shares Held

58.9M

Call Options Held

89.3K

Put Options Held

679K

View Full List

About REPLIGEN CORP

Ticker RGEN
Exchange NASDAQ
Sector Healthcare
Industry Medical Instruments & Supplies
Shares Outstandng 55,491,200
Market Cap $8.58B
Description
Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products....

More about RGEN

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