Twin Tree Management, LP Alnylam Pharmaceuticals, Inc. Transaction History

Twin Tree Management, LP

$51.8 Billion
Q2 2025

A detailed history of Twin Tree Management, LP transactions in Alnylam Pharmaceuticals, Inc. stock. As of the latest transaction made, Twin Tree Management, LP holds 36,800 shares of ALNY stock, worth $16.8 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

36,800

Previous 48,600 24.28%

Holding current value

$16.8 Million

Previous $13.1 Million 8.55%

% of portfolio

0.02%

Previous 0.03%

14 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	BUY	$233.07 - $290.7 $1.65 Million - $2.06 Million	7,074 New	7,074 $1.91 Million
Q2 2024 Aug 13, 2024	BUY	$143.31 - $247.0 $4.05 Million - $6.98 Million	28,239 Added 182.07%	43,749 $10.6 Million
Q1 2024 May 09, 2024	BUY	$146.51 - $198.2 $2.27 Million - $3.07 Million	15,510 New	15,510 $2.32 Million
Q3 2023 Nov 14, 2023	BUY	$170.77 - $211.65 $1.07 Million - $1.33 Million	6,289 New	6,289 $1.11 Million
Q3 2022 Nov 10, 2022	BUY	$138.54 - $232.0 $8.79 Million - $14.7 Million	63,421 Added 671.83%	72,861 $14.6 Million
Q2 2022 Aug 11, 2022	SELL	$120.42 - $169.29 $2.69 Million - $3.78 Million	-22,344 Reduced 70.3%	9,440 $1.38 Million
Q1 2022 May 11, 2022	BUY	$127.18 - $173.91 $1.94 Million - $2.66 Million	15,284 Added 92.63%	31,784 $5.19 Million
Q2 2021 Aug 12, 2021	BUY	$128.63 - $176.89 $2.12 Million - $2.92 Million	16,500 New	16,500 $2.8 Million
Q4 2020 Feb 12, 2021	SELL	$122.97 - $147.0 $16,477 - $19,698	-134 Closed	0 $0
Q3 2020 Nov 13, 2020	BUY	$121.19 - $165.49 $14,179 - $19,362	117 Added 688.24%	134 $20,000
Q2 2020 Aug 12, 2020	SELL	$104.21 - $156.44 $615,047 - $923,308	-5,902 Reduced 99.71%	17 $3,000
Q4 2018 Feb 13, 2019	SELL	$62.67 - $88.33 $1.18 Million - $1.66 Million	-18,788 Reduced 76.04%	5,919 $432,000
Q3 2018 Nov 09, 2018	BUY	$87.52 - $122.67 $1.42 Million - $1.98 Million	16,180 Added 189.75%	24,707 $2.16 Million
Q2 2018 Aug 08, 2018	BUY	$88.31 - $107.8 $753,019 - $919,210	8,527 New	8,527 $840,000

Others Institutions Holding ALNY

# of Institutions

808

Shares Held

115M

Call Options Held

584K

Put Options Held

648K

View Full List

About ALNYLAM PHARMACEUTICALS, INC.

Ticker ALNY
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 123,028,000
Market Cap $56.1B
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...

More about ALNY

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Twin Tree Management, LP Alnylam Pharmaceuticals, Inc. Transaction History