Gilder Gagnon Howe & CO LLC Alnylam Pharmaceuticals, Inc. Transaction History

Gilder Gagnon Howe & CO LLC

$7.87 Billion
Q3 2024

A detailed history of Gilder Gagnon Howe & CO LLC transactions in Alnylam Pharmaceuticals, Inc. stock. As of the latest transaction made, Gilder Gagnon Howe & CO LLC holds 383,993 shares of ALNY stock, worth $90.6 Million. This represents 1.34% of its overall portfolio holdings.

Number of Shares

383,993

Previous 398,616 3.67%

Holding current value

$90.6 Million

Previous $96.9 Million 9.05%

% of portfolio

1.34%

Previous 1.28%

29 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2024 Nov 14, 2024	SELL	$233.81 - $287.01 $3.42 Million - $4.2 Million	-14,623 Reduced 3.67%	383,993 $106 Million
Q2 2024 Aug 14, 2024	SELL	$143.31 - $247.0 $939,683 - $1.62 Million	-6,557 Reduced 1.62%	398,616 $96.9 Million
Q1 2024 May 15, 2024	SELL	$146.51 - $198.2 $26.6 Million - $36 Million	-181,872 Reduced 30.98%	405,173 $60.6 Million
Q4 2023 Feb 14, 2024	SELL	$151.41 - $196.57 $1.2 Million - $1.56 Million	-7,934 Reduced 1.33%	587,045 $112 Million
Q3 2023 Nov 14, 2023	SELL	$170.77 - $211.65 $634,752 - $786,703	-3,717 Reduced 0.62%	594,979 $105 Million
Q2 2023 Aug 14, 2023	SELL	$185.01 - $212.05 $4.16 Million - $4.77 Million	-22,512 Reduced 3.62%	598,696 $114 Million
Q1 2023 May 15, 2023	SELL	$182.66 - $235.53 $5.19 Million - $6.69 Million	-28,409 Reduced 4.37%	621,208 $124 Million
Q4 2022 Feb 14, 2023	SELL	$185.53 - $241.31 $2.67 Million - $3.47 Million	-14,366 Reduced 2.16%	649,617 $154 Million
Q3 2022 Nov 14, 2022	SELL	$138.54 - $232.0 $12.6 Million - $21 Million	-90,592 Reduced 12.01%	663,983 $133 Million
Q2 2022 Aug 15, 2022	SELL	$120.42 - $169.29 $4.41 Million - $6.2 Million	-36,649 Reduced 4.63%	754,575 $110 Million
Q1 2022 May 16, 2022	SELL	$127.18 - $173.91 $6.15 Million - $8.41 Million	-48,344 Reduced 5.76%	791,224 $129 Million
Q4 2021 Feb 14, 2022	SELL	$159.56 - $209.29 $13.4 Million - $17.6 Million	-84,116 Reduced 9.11%	839,568 $142 Million
Q3 2021 Nov 15, 2021	SELL	$169.75 - $207.73 $346,629 - $424,184	-2,042 Reduced 0.22%	923,684 $174 Million
Q2 2021 Aug 16, 2021	SELL	$128.63 - $176.89 $503,843 - $692,878	-3,917 Reduced 0.42%	925,726 $157 Million
Q1 2021 May 17, 2021	BUY	$126.83 - $175.69 $5.77 Million - $8 Million	45,513 Added 5.15%	929,643 $131 Million
Q4 2020 Feb 16, 2021	SELL	$122.97 - $147.0 $772,989 - $924,042	-6,286 Reduced 0.71%	884,130 $115 Million
Q3 2020 Nov 16, 2020	BUY	$121.19 - $165.49 $805,671 - $1.1 Million	6,648 Added 0.75%	890,416 $130 Million
Q2 2020 Aug 14, 2020	SELL	$104.21 - $156.44 $3.69 Million - $5.54 Million	-35,409 Reduced 3.85%	883,768 $131 Million
Q1 2020 May 15, 2020	SELL	$93.12 - $133.99 $1.61 Million - $2.32 Million	-17,302 Reduced 1.85%	919,177 $100 Million
Q4 2019 Feb 14, 2020	SELL	$74.51 - $124.23 $1.31 Million - $2.19 Million	-17,626 Reduced 1.85%	936,479 $108 Million
Q3 2019 Nov 14, 2019	SELL	$70.9 - $87.82 $1.68 Million - $2.08 Million	-23,714 Reduced 2.43%	954,105 $76.7 Million
Q2 2019 Aug 13, 2019	SELL	$65.86 - $92.79 $655,372 - $923,353	-9,951 Reduced 1.01%	977,819 $71 Million
Q1 2019 May 17, 2019	BUY	$72.76 - $93.45 $2.41 Million - $3.1 Million	33,174 Added 3.48%	987,770 $92.3 Million
Q4 2018 Feb 14, 2019	SELL	$62.67 - $88.33 $8.42 Million - $11.9 Million	-134,299 Reduced 12.33%	954,596 $69.6 Million
Q3 2018 Oct 30, 2018	SELL	$87.52 - $122.67 $509,453 - $714,062	-5,821 Reduced 0.53%	1,088,895 $95.3 Million
Q2 2018 Jul 31, 2018	SELL	$88.31 - $107.8 $10.2 Million - $12.5 Million	-115,706 Reduced 9.56%	1,094,716 $108 Million
Q1 2018 Apr 30, 2018	SELL	$115.92 - $148.54 $805,064 - $1.03 Million	-6,945 Reduced 0.57%	1,210,422 $144 Million
Q4 2017 Jan 31, 2018	BUY	$114.49 - $139.98 $11.1 Million - $13.6 Million	96,812 Added 8.64%	1,217,367 $155 Million
Q3 2017 Nov 06, 2017	BUY	$72.53 - $118.27 $81.3 Million - $133 Million	1,120,555	1,120,555 $132 Million

Others Institutions Holding ALNY

# of Institutions

644

Shares Held

109M

Call Options Held

1.28M

Put Options Held

1.21M

View Full List

About ALNYLAM PHARMACEUTICALS, INC.

Ticker ALNY
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 123,028,000
Market Cap $29B
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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Gilder Gagnon Howe & CO LLC Alnylam Pharmaceuticals, Inc. Transaction History