Group One Trading, L.P. Alnylam Pharmaceuticals, Inc. Transaction History

Group One Trading, L.P.

$2.2 Billion
Q1 2025

A detailed history of Group One Trading, L.P. transactions in Alnylam Pharmaceuticals, Inc. stock. As of the latest transaction made, Group One Trading, L.P. holds 6,202 shares of ALNY stock, worth $1.8 Million. This represents 0.08% of its overall portfolio holdings.

Number of Shares

6,202

Holding current value

$1.8 Million

% of portfolio

0.08%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 14, 2025	BUY	$233.07 - $290.7 $1.45 Million - $1.8 Million	6,202 New	6,202 $1.67 Million
Q3 2022 Nov 09, 2022	SELL	$138.54 - $232.0 $8.34 Million - $14 Million	-60,219 Reduced 96.79%	1,999 $400,000
Q2 2022 Aug 11, 2022	BUY	$120.42 - $169.29 $4.6 Million - $6.47 Million	38,222 Added 159.28%	62,218 $9.08 Million
Q1 2022 May 12, 2022	BUY	$127.18 - $173.91 $362,971 - $496,339	2,854 Added 13.5%	23,996 $3.92 Million
Q4 2021 Feb 11, 2022	BUY	$159.56 - $209.29 $1.49 Million - $1.96 Million	9,356 Added 79.38%	21,142 $3.59 Million
Q3 2021 Nov 12, 2021	SELL	$169.75 - $207.73 $135,121 - $165,353	-796 Reduced 6.33%	11,786 $2.23 Million
Q2 2021 Aug 10, 2021	SELL	$128.63 - $176.89 $3.27 Million - $4.5 Million	-25,416 Reduced 66.89%	12,582 $2.13 Million
Q1 2021 May 12, 2021	BUY	$126.83 - $175.69 $4.82 Million - $6.68 Million	37,998 New	37,998 $5.37 Million
Q3 2020 Nov 12, 2020	SELL	$121.19 - $165.49 $1.3 Million - $1.77 Million	-10,700 Closed	0 $0
Q2 2020 Aug 13, 2020	BUY	$104.21 - $156.44 $1.12 Million - $1.67 Million	10,700 New	10,700 $1.59 Million
Q1 2019 May 13, 2019	SELL	$72.76 - $93.45 $144,792 - $185,965	-1,990 Closed	0 $0
Q4 2018 Feb 06, 2019	SELL	$62.67 - $88.33 $1.74 Million - $2.46 Million	-27,794 Reduced 93.32%	1,990 $145,000
Q3 2018 Nov 08, 2018	BUY	$87.52 - $122.67 $1.39 Million - $1.95 Million	15,921 Added 114.85%	29,784 $2.61 Million
Q2 2018 Aug 14, 2018	BUY	$88.31 - $107.8 $1.22 Million - $1.49 Million	13,863 New	13,863 $1.37 Million
Q1 2018 May 11, 2018	SELL	$115.92 - $148.54 $995,405 - $1.28 Million	-8,587 Closed	0 $0
Q4 2017 Feb 09, 2018	SELL	$114.49 - $139.98 $6.89 Million - $8.42 Million	-60,156 Reduced 87.51%	8,587 $1.09 Million
Q3 2017 Nov 15, 2017	BUY	$72.53 - $118.27 $3.02 Million - $4.92 Million	41,601 Added 153.27%	68,743 $8.08 Million
Q2 2017 Aug 14, 2017	BUY	N/A	27,142	27,142 $2.17 Million

Others Institutions Holding ALNY

# of Institutions

720

Shares Held

111M

Call Options Held

978K

Put Options Held

881K

View Full List

About ALNYLAM PHARMACEUTICALS, INC.

Ticker ALNY
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 123,028,000
Market Cap $35.7B
Description
Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference. The company's pipeline of investigational RNAi therapeutics focuses on genetic medicines, cardio-metabolic diseases, hepatic infectious diseases, and central nervous system...

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Group One Trading, L.P. Alnylam Pharmaceuticals, Inc. Transaction History