Fred Alger Management, LLC Repligen Corp Transaction History

Fred Alger Management, LLC

$20.2 Billion
Q2 2025

A detailed history of Fred Alger Management, LLC transactions in Repligen Corp stock. As of the latest transaction made, Fred Alger Management, LLC holds 299,556 shares of RGEN stock, worth $44.7 Million. This represents 0.18% of its overall portfolio holdings.

Number of Shares

299,556

Previous 437,037 31.46%

Holding current value

$44.7 Million

Previous $55.6 Million 33.0%

% of portfolio

0.18%

Previous 0.34%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$108.89 - $145.23 $15 Million - $20 Million	-137,481 Reduced 31.46%	299,556 $37.3 Million
Q1 2025 May 15, 2025	BUY	$127.24 - $174.24 $9.86 Million - $13.5 Million	77,530 Added 21.57%	437,037 $55.6 Million
Q4 2024 Feb 14, 2025	SELL	$123.41 - $160.92 $4.82 Million - $6.28 Million	-39,047 Reduced 9.8%	359,507 $51.7 Million
Q3 2024 Nov 14, 2024	BUY	$119.79 - $167.35 $10.9 Million - $15.2 Million	90,831 Added 29.52%	398,554 $59.3 Million
Q2 2024 Aug 14, 2024	SELL	$120.0 - $182.95 $14.2 Million - $21.7 Million	-118,569 Reduced 27.81%	307,723 $38.8 Million
Q1 2024 May 15, 2024	SELL	$170.78 - $208.42 $374,349 - $456,856	-2,192 Reduced 0.51%	426,292 $78.4 Million
Q4 2023 Feb 14, 2024	SELL	$114.17 - $185.35 $6.42 Million - $10.4 Million	-56,238 Reduced 11.6%	428,484 $77 Million
Q3 2023 Nov 14, 2023	SELL	$138.78 - $176.51 $11.9 Million - $15.1 Million	-85,409 Reduced 14.98%	484,722 $77.1 Million
Q2 2023 Aug 14, 2023	SELL	$138.42 - $180.31 $2.96 Million - $3.85 Million	-21,357 Reduced 3.61%	570,131 $80.7 Million
Q1 2023 May 15, 2023	BUY	$154.26 - $198.1 $27.2 Million - $34.9 Million	176,259 Added 42.45%	591,488 $99.6 Million
Q4 2022 Feb 14, 2023	SELL	$162.42 - $220.56 $12.5 Million - $17 Million	-77,067 Reduced 15.65%	415,229 $70.3 Million
Q3 2022 Nov 14, 2022	SELL	$160.42 - $256.21 $24.9 Million - $39.8 Million	-155,171 Reduced 23.97%	492,296 $92.1 Million
Q2 2022 Aug 15, 2022	SELL	$140.68 - $188.02 $53.2 Million - $71.1 Million	-378,391 Reduced 36.89%	647,467 $105 Million
Q1 2022 May 16, 2022	SELL	$161.19 - $257.96 $31.1 Million - $49.7 Million	-192,784 Reduced 15.82%	1,025,858 $193 Million
Q4 2021 Feb 14, 2022	SELL	$247.59 - $304.47 $88 Million - $108 Million	-355,356 Reduced 22.58%	1,218,642 $323 Million
Q3 2021 Nov 15, 2021	BUY	$194.77 - $324.21 $36.6 Million - $60.9 Million	187,901 Added 13.56%	1,573,998 $455 Million
Q2 2021 Aug 16, 2021	SELL	$165.87 - $220.95 $15.1 Million - $20.1 Million	-91,081 Reduced 6.17%	1,386,097 $277 Million
Q1 2021 May 17, 2021	BUY	$180.37 - $226.26 $30 Million - $37.6 Million	166,364 Added 12.69%	1,477,178 $287 Million
Q4 2020 Feb 16, 2021	BUY	$148.08 - $206.57 $24.7 Million - $34.5 Million	166,836 Added 14.58%	1,310,814 $251 Million
Q3 2020 Nov 13, 2020	BUY	$122.51 - $158.27 $16 Million - $20.7 Million	130,530 Added 12.88%	1,143,978 $169 Million
Q2 2020 Aug 14, 2020	SELL	$94.33 - $140.48 $2.12 Million - $3.16 Million	-22,499 Reduced 2.17%	1,013,448 $125 Million
Q1 2020 May 15, 2020	SELL	$84.96 - $109.14 $16.7 Million - $21.5 Million	-197,009 Reduced 15.98%	1,035,947 $100 Million
Q4 2019 Feb 14, 2020	SELL	$73.84 - $93.08 $10.6 Million - $13.4 Million	-143,450 Reduced 10.42%	1,232,956 $114 Million
Q3 2019 Nov 14, 2019	SELL	$76.65 - $95.51 $36.3 Million - $45.2 Million	-473,032 Reduced 25.58%	1,376,406 $106 Million
Q2 2019 Aug 14, 2019	BUY	$54.2 - $85.95 $11.2 Million - $17.7 Million	206,393 Added 12.56%	1,849,438 $159 Million
Q1 2019 May 14, 2019	BUY	$49.45 - $62.8 $27.1 Million - $34.4 Million	548,054 Added 50.05%	1,643,045 $97.1 Million
Q4 2018 Feb 14, 2019	BUY	$48.26 - $68.88 $1.71 Million - $2.45 Million	35,503 Added 3.35%	1,094,991 $57.8 Million
Q3 2018 Nov 14, 2018	BUY	$46.8 - $58.97 $14.9 Million - $18.8 Million	318,914 Added 43.06%	1,059,488 $58.8 Million
Q2 2018 Jul 19, 2018	BUY	$35.26 - $47.04 $12.8 Million - $17.1 Million	363,339 Added 96.32%	740,574 $34.8 Million
Q1 2018 May 10, 2018	BUY	$30.92 - $37.27 $11.7 Million - $14.1 Million	377,235 New	377,235 $13.6 Million
Q4 2017 Feb 14, 2018	SELL	$32.53 - $38.92 $1.17 Million - $1.4 Million	-36,000 Closed	0 $0
Q3 2017 Nov 14, 2017	BUY	$36.98 - $46.06 $1.33 Million - $1.66 Million	36,000	36,000 $1.38 Million

Others Institutions Holding RGEN

# of Institutions

511

Shares Held

59.1M

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 $8.27B
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

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Fred Alger Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Fred Alger Management, LLC with notifications on news.

Account

Fred Alger Management, LLC Repligen Corp Transaction History