Alnylam Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ALNY Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
16 Feb 24	SellUS$1,040,885	Yvonne Greenstreet	Individual	7,030	US$149.03
16 Feb 24	SellUS$149,397	Tolga Tanguler	Individual	1,009	US$149.03
16 Feb 24	SellUS$149,099	Jeffrey Poulton	Individual	1,007	US$149.03
16 Feb 24	SellUS$193,666	Pushkal Garg	Individual	1,308	US$149.03
04 Aug 23	SellUS$753,986	Akshay Vaishnaw	Individual	4,057	US$189.31
04 Aug 23	SellUS$753,986	Yvonne Greenstreet	Individual	4,057	US$189.31
04 Aug 23	SellUS$643,037	Jeffrey Poulton	Individual	3,460	US$189.31
04 Aug 23	SellUS$643,223	Pushkal Garg	Individual	3,461	US$189.31
27 Apr 23	SellUS$357,855	Pushkal Garg	Individual	1,839	US$197.08
27 Apr 23	SellUS$465,464	Akshay Vaishnaw	Individual	2,392	US$197.08
27 Apr 23	SellUS$287,215	Tolga Tanguler	Individual	1,476	US$197.08
27 Apr 23	SellUS$190,113	Jeffrey Poulton	Individual	977	US$197.08
27 Apr 23	SellUS$1,481,811	Yvonne Greenstreet	Individual	7,615	US$197.08

Insider Trading Volume

Insider Buying: ALNY insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of ALNY?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	6,672	0.00528%
State or Government	86,697	0.0686%
Individual Insiders	444,501	0.352%
General Public	7,532,217	5.96%
Institutions	118,382,012	93.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 78.32% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
18.2%	Capital Research and Management Company	23,049,248	US$3.3b	1.33%	0.18%
9.45%	The Vanguard Group, Inc.	11,943,895	US$1.7b	2.46%	0.03%
7.96%	FMR LLC	10,064,110	US$1.5b	-9.03%	0.1%
6.74%	BlackRock, Inc.	8,521,115	US$1.2b	1.53%	0.02%
5.71%	Wellington Management Group LLP	7,214,198	US$1.0b	12.2%	0.17%
5.51%	Baillie Gifford & Co.	6,967,097	US$1.0b	-14.7%	0.45%
5.46%	T. Rowe Price Group, Inc.	6,910,032	US$1.0b	-5.65%	0.1%
2.91%	Dodge & Cox	3,674,310	US$533.4m	-1.94%	0.25%
2.47%	State Street Global Advisors, Inc.	3,118,552	US$452.7m	7.55%	0.02%
2.16%	JP Morgan Asset Management	2,734,230	US$396.9m	-3.98%	0.05%
1.61%	Norges Bank Investment Management	2,039,798	US$296.1m	101%	0.03%
1.52%	Geode Capital Management, LLC	1,926,736	US$279.7m	4.74%	0.02%
1.3%	RTW Investments, LP	1,640,559	US$238.1m	-2.54%	4.19%
0.88%	Avoro Capital Advisors LLC	1,111,111	US$161.3m	9.89%	2.35%
0.74%	Legal & General Investment Management Limited	930,939	US$135.1m	17.1%	0.03%
0.7%	Pictet Asset Management Limited	885,585	US$128.6m	12%	0.09%
0.7%	Bellevue Asset Management AG	885,318	US$128.5m	-1.01%	1.47%
0.66%	UBS Asset Management AG	831,534	US$120.7m	-1.52%	0.02%
0.66%	BNY Mellon Asset Management	828,478	US$120.3m	0.04%	0.02%
0.6%	Northern Trust Global Investments	764,520	US$111.0m	-4.16%	0.02%
0.56%	Amundi Asset Management SAS	711,692	US$103.3m	15.8%	0.02%
0.48%	Loomis Sayles & Company, L.P.	608,728	US$88.4m	-2.67%	0.13%
0.46%	Gilder Gagnon Howe & Co. LLC	587,045	US$85.2m	-1.33%	1.13%
0.43%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	543,411	US$78.9m	0.79%	0.02%
0.43%	Morgan Stanley, Investment Banking and Brokerage Investments	538,749	US$78.2m	-43.3%	0.01%