Balyasny Asset Management LLC Repligen Corp Transaction History

Balyasny Asset Management LLC

$72.4 Billion
Q3 2025

A detailed history of Balyasny Asset Management LLC transactions in Repligen Corp stock. As of the latest transaction made, Balyasny Asset Management LLC holds 767,239 shares of RGEN stock, worth $117 Million. This represents 0.14% of its overall portfolio holdings.

Number of Shares

767,239

Previous 156,402 390.56%

Holding current value

$117 Million

Previous $19.5 Million 427.2%

% of portfolio

0.14%

Previous 0.03%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$111.43 - $134.0 $68.1 Million - $81.9 Million	610,837 Added 390.56%	767,239 $103 Million
Q2 2025 Aug 14, 2025	BUY	$108.89 - $145.23 $11.6 Million - $15.4 Million	106,252 Added 211.87%	156,402 $19.5 Million
Q1 2025 May 15, 2025	BUY	$127.24 - $174.24 $6.38 Million - $8.74 Million	50,150 New	50,150 $6.38 Million
Q1 2024 May 13, 2024	BUY	$170.78 - $208.42 $13.2 Million - $16.1 Million	77,176 New	77,176 $14.2 Million
Q1 2023 May 15, 2023	SELL	$154.26 - $198.1 $7.24 Million - $9.3 Million	-46,957 Reduced 36.76%	80,772 $13.6 Million

Q4 2022 Feb 14, 2023	BUY	$162.42 - $220.56 $20.5 Million - $27.9 Million	126,515 Added 10421.33%	127,729 $21.6 Million
Q3 2022 Nov 14, 2022	BUY	$160.42 - $256.21 $194,749 - $311,038	1,214 New	1,214 $227,000
Q1 2022 May 16, 2022	SELL	$161.19 - $257.96 $310,290 - $496,572	-1,925 Closed	0 $0
Q4 2021 Feb 14, 2022	BUY	$247.59 - $304.47 $476,610 - $586,104	1,925 New	1,925 $510,000
Q3 2021 Nov 15, 2021	SELL	$194.77 - $324.21 $10.9 Million - $18.2 Million	-56,185 Closed	0 $0
Q2 2021 Aug 16, 2021	SELL	$165.87 - $220.95 $15.7 Million - $21 Million	-94,823 Reduced 62.79%	56,185 $11.2 Million
Q1 2021 May 17, 2021	BUY	$180.37 - $226.26 $7.53 Million - $9.44 Million	41,740 Added 38.2%	151,008 $29.4 Million
Q4 2020 Feb 16, 2021	SELL	$148.08 - $206.57 $2.51 Million - $3.5 Million	-16,964 Reduced 13.44%	109,268 $20.9 Million
Q3 2020 Nov 16, 2020	BUY	$122.51 - $158.27 $5.24 Million - $6.76 Million	42,736 Added 51.18%	126,232 $18.6 Million
Q2 2020 Aug 14, 2020	BUY	$94.33 - $140.48 $4.49 Million - $6.69 Million	47,646 Added 132.9%	83,496 $10.3 Million
Q1 2020 May 15, 2020	BUY	$84.96 - $109.14 $3.05 Million - $3.91 Million	35,850 New	35,850 $3.46 Million
Q3 2019 Nov 14, 2019	SELL	$76.65 - $95.51 $1.16 Million - $1.44 Million	-15,109 Closed	0 $0
Q2 2019 Aug 14, 2019	BUY	$54.2 - $85.95 $382,977 - $607,322	7,066 Added 87.85%	15,109 $1.3 Million
Q1 2019 May 15, 2019	SELL	$49.45 - $62.8 $525,851 - $667,815	-10,634 Reduced 56.94%	8,043 $475,000
Q4 2018 Feb 14, 2019	BUY	$48.26 - $68.88 $901,352 - $1.29 Million	18,677 New	18,677 $985,000
Q3 2018 Nov 14, 2018	SELL	$46.8 - $58.97 $2.7 Million - $3.4 Million	-57,622 Closed	0 $0
Q2 2018 Aug 14, 2018	BUY	$35.26 - $47.04 $2.03 Million - $2.71 Million	57,622 New	57,622 $2.71 Million

Others Institutions Holding RGEN

# of Institutions

531

Shares Held

59.2M

Call Options Held

321K

Put Options Held

667K

View Full List

About REPLIGEN CORP

Ticker RGEN
Exchange NASDAQ
Sector Healthcare
Industry Medical Instruments & Supplies
Shares Outstandng 55,491,200
Market Cap $8.46B
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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Balyasny Asset Management LLC Repligen Corp Transaction History