Israel Englander Repligen Corp Transaction History

Millennium Management LLC

$192 Billion
Q2 2025

A detailed history of Israel Englander (Millennium Management LLC) transactions in Repligen Corp stock. As of the latest transaction made, Millennium Management LLC holds 701,239 shares of RGEN stock, worth $85.1 Million. This represents 0.05% of its overall portfolio holdings.

Number of Shares

701,239

Previous 19,897 3424.35%

Holding current value

$85.1 Million

Previous $2.53 Million 3346.07%

% of portfolio

0.05%

Previous 0.0%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$108.89 - $145.23 $74.2 Million - $99 Million	681,342 Added 3424.35%	701,239 $87.2 Million
Q1 2025 May 15, 2025	BUY	$127.24 - $174.24 $1.34 Million - $1.84 Million	10,566 Added 113.24%	19,897 $2.53 Million
Q4 2024 Feb 14, 2025	SELL	$123.41 - $160.92 $13.6 Million - $17.7 Million	-110,079 Reduced 92.19%	9,331 $1.34 Million
Q3 2024 Nov 14, 2024	SELL	$119.79 - $167.35 $76.3 Million - $107 Million	-636,708 Reduced 84.21%	119,410 $17.8 Million
Q2 2024 Aug 14, 2024	BUY	$120.0 - $182.95 $90.7 Million - $138 Million	756,118 New	756,118 $95.3 Million
Q4 2023 Feb 14, 2024	BUY	$114.17 - $185.35 $13.3 Million - $21.5 Million	116,110 Added 1110.36%	126,567 $22.8 Million
Q2 2023 Aug 14, 2023	SELL	$138.42 - $180.31 $2.38 Million - $3.11 Million	-17,226 Reduced 62.23%	10,457 $1.48 Million
Q1 2023 May 15, 2023	BUY	$154.26 - $198.1 $4.27 Million - $5.48 Million	27,683 New	27,683 $4.66 Million
Q3 2022 Nov 14, 2022	SELL	$160.42 - $256.21 $4.6 Million - $7.35 Million	-28,680 Reduced 20.43%	111,687 $20.9 Million
Q2 2022 Aug 15, 2022	BUY	$140.68 - $188.02 $19.1 Million - $25.5 Million	135,725 Added 2923.85%	140,367 $22.8 Million
Q1 2022 May 16, 2022	SELL	$161.19 - $257.96 $49.1 Million - $78.6 Million	-304,840 Reduced 98.5%	4,642 $873,000
Q4 2021 Feb 14, 2022	BUY	$247.59 - $304.47 $46.1 Million - $56.7 Million	186,342 Added 151.33%	309,482 $82 Million
Q3 2021 Nov 15, 2021	SELL	$194.77 - $324.21 $35.3 Million - $58.7 Million	-181,113 Reduced 59.53%	123,140 $35.6 Million
Q2 2021 Aug 16, 2021	BUY	$165.87 - $220.95 $14.4 Million - $19.2 Million	86,796 Added 39.91%	304,253 $60.7 Million
Q1 2021 May 17, 2021	BUY	$180.37 - $226.26 $25 Million - $31.4 Million	138,605 Added 175.78%	217,457 $42.3 Million
Q4 2020 Feb 16, 2021	SELL	$148.08 - $206.57 $1.52 Million - $2.12 Million	-10,242 Reduced 11.5%	78,852 $15.1 Million
Q3 2020 Nov 16, 2020	SELL	$122.51 - $158.27 $27 Million - $34.9 Million	-220,619 Reduced 71.23%	89,094 $13.1 Million
Q2 2020 Aug 14, 2020	BUY	$94.33 - $140.48 $29.2 Million - $43.5 Million	309,713 New	309,713 $38.3 Million
Q1 2020 May 14, 2020	SELL	$84.96 - $109.14 $1.51 Million - $1.94 Million	-17,791 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$73.84 - $93.08 $582,892 - $734,773	-7,894 Reduced 30.73%	17,791 $1.65 Million
Q3 2019 Nov 14, 2019	BUY	$76.65 - $95.51 $813,793 - $1.01 Million	10,617 Added 70.46%	25,685 $1.97 Million
Q2 2019 Aug 15, 2019	SELL	$54.2 - $85.95 $491,431 - $779,308	-9,067 Reduced 37.57%	15,068 $1.3 Million
Q2 2019 Aug 14, 2019	SELL	$54.2 - $85.95 $1.4 Million - $2.22 Million	-25,871 Reduced 51.74%	24,135 $3.42 Million
Q1 2019 May 14, 2019	SELL	$49.45 - $62.8 $7.86 Million - $9.98 Million	-158,970 Reduced 76.07%	50,006 $2.95 Million
Q4 2018 Feb 14, 2019	BUY	$48.26 - $68.88 $10.1 Million - $14.4 Million	208,976 New	208,976 $11 Million
Q3 2018 Nov 14, 2018	SELL	$46.8 - $58.97 $1.62 Million - $2.04 Million	-34,609 Closed	0 $0
Q2 2018 Aug 14, 2018	BUY	$35.26 - $47.04 $1.22 Million - $1.63 Million	34,609 New	34,609 $1.63 Million

Others Institutions Holding RGEN

# of Institutions

500

Shares Held

58.2M

Call Options Held

125K

Put Options Held

534K

View Full List

About REPLIGEN CORP

Ticker RGEN
Exchange NASDAQ
Sector Healthcare
Industry Medical Instruments & Supplies
Shares Outstandng 55,491,200
Market Cap $6.74B
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....

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