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ALNY · Alnylam Pharmaceuticals, Inc. · Shareholders & Ownership

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$174.00 -58.40 (-25.13%) At close · Oct 29 Q2 2026 earnings call transcript
Market Cap
$23.31B
Shares
133.94M
Volume · Oct 29 11.8M Avg daily vol (3M) 1.91M

Every disclosed holder of ALNY in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ALNY

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 132,908,796 99.23%
Insiders (Forms 3, 4, 5) 620,228 0.46%
13D/G-only blocks 0 0.00%
Remaining 408,552 0.31%
Registered funds (N-PORT, not summed) 73,997,774 55.25%

Shares outstanding: 133,937,576, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ALNY

# Holder Shares
1
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
15,023,962
1.1
Fidelity OTC Portfolio
Fund S000007191 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
2,140,824
1.2
Fidelity Growth Company Fund
Fund S000007119 · Registered fund · Aug 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
894,221
1.3
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · Aug 31, 2026
Fidelity Rutland Square Trust II, not summed
888,463
1.4
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · Aug 31, 2026
Fidelity Concord Street Trust, not summed
650,815
1.5
Select Health Care Portfolio
Fund S000007466 · Registered fund · Aug 31, 2026
Fidelity Select Portfolios, not summed
550,000
2
Capital World Investors
13F CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
11,144,846
3
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
10,907,675
3.1
iShares Biotechnology ETF
Fund S000004350 · Registered fund · Jun 30, 2026
iShares Trust, not summed
942,174
3.2
iShares Russell Mid-Cap Growth ETF
Fund S000004336 · Registered fund · Jun 30, 2026
iShares Trust, not summed
786,679
3.3
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
548,234
3.4
iShares MSCI USA Min Vol Factor ETF
Fund S000031838 · Registered fund · Jul 31, 2026
iShares Trust, not summed
519,903
3.5
iShares Russell 1000 Growth ETF
Fund S000004346 · Registered fund · Jun 30, 2026
iShares Trust, not summed
509,032
4
Capital Research Global Investors
13F CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
9,750,699
5
Growth Fund of America
Fund S000009228 · Registered fund · May 31, 2026
Growth Fund of America, not summed
7,670,994
6
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,538,390
7
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,029,478
8
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,642,173
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,239,087
10
AMCAP Fund
Fund S000008817 · Registered fund · May 31, 2026
AMCAP Fund, not summed
4,101,680
11
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,754,318
11.1
Invesco NASDAQ 100 ETF
Fund S000069448 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
563,667
11.2
Invesco Biotechnology & Genome ETF
Fund S000003026 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
43,457
11.3
Invesco MSCI USA ETF
Fund S000058746 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
22,908
11.4
Invesco Nasdaq Biotechnology ETF
Fund S000072469 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
7,110
11.5
Invesco MSCI North America Climate ETF
Fund S000089010 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
5,286
12
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,555,689
12.1
State Street(R) SPDR(R) S&P(R) Biotech ETF
Fund S000010018 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
341,887
12.2
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
46,480
12.3
State Street(R) SPDR(R) MSCI USA StrategicFactors(SM) ETF
Fund S000048346 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
11,338
12.4
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
7,186
12.5
State Street(R) SPDR(R) MSCI USA Gender Diversity ETF
Fund S000053058 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
1,337
13
VANGUARD MID-CAP INDEX FUND
Fund S000002844 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,893,030
14
Invesco QQQ Trust, Series 1
Fund S000101292 · Registered fund · Jun 30, 2026
Invesco QQQ Trust, Series 1, not summed
2,834,095
15
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,675,517
16
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,635,840
17
BAILLIE GIFFORD & CO
13F CIK 1088875 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,439,889
18
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
2,271,813
19
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,110,407
19.1
VANGUARD HEALTH CARE FUND
Fund S000002922 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
2,136,580
20
Orbis Allan Gray Ltd
13F CIK 1663865 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,987,407
21
Dodge & Cox
13F CIK 200217 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,955,393
21.1
Dodge & Cox Stock Fund
Fund S000011202 · Registered fund · Jun 30, 2026
Dodge & Cox Funds, not summed
1,233,200
21.2
Dodge & Cox Global Stock Fund
Fund S000022057 · Registered fund · Jun 30, 2026
Dodge & Cox Funds, not summed
161,841
21.3
Dodge & Cox Balanced Fund
Fund S000011204 · Registered fund · Jun 30, 2026
Dodge & Cox Funds, not summed
53,400
22
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,875,937
23
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,853,956
23.1
Ultra Fund
Fund S000006195 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
688,000
23.2
Heritage Fund
Fund S000006206 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
450,954
23.3
Disciplined Growth Fund
Fund S000005976 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
2,015
24
VANGUARD GROWTH INDEX FUND
Fund S000002842 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,624,001
25
Investment Co of America
Fund S000009597 · Registered fund · Jun 30, 2026
Investment Co of America, not summed
1,612,942
26
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,530,865
27
Clearbridge Investments, LLC
13F CIK 1348883 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,259,483
28
Growth Fund
Fund S000008791 · Registered fund · Jun 30, 2026
AMERICAN FUNDS INSURANCE SERIES, not summed
1,197,876
29
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,149,201
29.1
T. Rowe Price Capital Appreciation Fund
Fund S000002070 · Registered fund · Jun 30, 2026
T. ROWE PRICE CAPITAL APPRECIATION FUND, INC., not summed
2,034,761
29.2
T. Rowe Price Mid-Cap Growth Fund, Inc.
Fund S000002102 · Registered fund · Jun 30, 2026
T. ROWE PRICE MID-CAP GROWTH FUND, INC., not summed
1,165,773
29.3
T. Rowe Price Health Sciences Fund, Inc.
Fund S000002088 · Registered fund · Jun 30, 2026
T. ROWE PRICE HEALTH SCIENCES FUND, INC., not summed
266,374
29.4
T. Rowe Price Capital Appreciation Equity ETF
Fund S000079834 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
248,396
29.5
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.
Fund S000002073 · Registered fund · Jun 30, 2026
T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC., not summed
183,160
30
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,104,109
31
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,032,150
31.1
Global Strategist Portfolio
Fund S000004124 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND TRUST, not summed
416
31.2
E*TRADE No Fee Large Cap Index Fund
Fund S000090720 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
256
31.3
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
210
31.4
Vitality Portfolio
Fund S000074797 · Registered fund · Mar 31, 2026
MORGAN STANLEY INSTITUTIONAL FUND INC, not summed
175
31.5
Global Strategist Portfolio
Fund S000004181 · Registered fund · Jun 30, 2026
MORGAN STANLEY VARIABLE INSURANCE FUND INC., not summed
55
32
VANGUARD MID-CAP GROWTH INDEX FUND
Fund S000012756 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,022,888
33
New Perspective Fund
Fund S000009613 · Registered fund · Jun 30, 2026
New Perspective Fund, not summed
1,020,320
34
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
994,476
35
Legal & General Group Plc
13F CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
924,561
36
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F CIK 928047 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
893,795
36.1
Fundamental Large Cap Core Fund
Fund S000000630 · Registered fund · Jul 31, 2026
John Hancock Investment Trust, not summed
254,218
36.2
Capital Appreciation Value Fund
Fund S000030799 · Registered fund · May 31, 2026
John Hancock Funds II, not summed
43,310
36.3
Fundamental All Cap Core Fund
Fund S000032685 · Registered fund · May 31, 2026
John Hancock Funds II, not summed
18,360
36.4
John Hancock Multifactor Large Cap ETF
Fund S000050077 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
2,619
36.5
John Hancock Fundamental All Cap Core ETF
Fund S000082342 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
188
37
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
886,900
37.1
World Selection Index Fund
Fund S000019579 · Registered fund · Jun 30, 2026
Northern Funds, not summed
6,115
37.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
3,160
38
ROYAL BANK OF CANADA
13F CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
875,859
39
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
862,782
40
Deep Track Capital, LP
13F CIK 1856083 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
825,000
41
DEUTSCHE BANK AG\
13F CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
815,400
41.1
DWS Health and Wellness Fund
Fund S000006103 · Registered fund · Aug 31, 2026
DEUTSCHE DWS SECURITIES TRUST, not summed
7,001
41.2
Xtrackers MSCI USA Selection Equity ETF
Fund S000064994 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
2,297
41.3
Xtrackers Net Zero Pathway Paris Aligned US Equity ETF
Fund S000076557 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
1,460
41.4
Xtrackers MSCI Kokusai Equity ETF
Fund S000067508 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
1,234
41.5
Xtrackers US National Critical Technologies ETF
Fund S000082572 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
863
42
American Balanced Fund
Fund S000008801 · Registered fund · Jun 30, 2026
American Balanced Fund, not summed
800,000
43
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
798,715
44
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
755,377
44.1
Schwab U.S. Large-Cap Growth ETF
Fund S000026633 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
323,917
44.2
Schwab U.S. Large-Cap ETF
Fund S000026632 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
142,289
44.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
80,893
44.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · Aug 31, 2026
SCHWAB STRATEGIC TRUST, not summed
80,027
44.5
Schwab 1000 Index Fund
Fund S000006807 · Registered fund · Jul 31, 2026
SCHWAB INVESTMENTS, not summed
42,385
45
Capital Group Growth ETF
Fund S000074246 · Registered fund · Aug 31, 2026
Capital Group Growth ETF, not summed
748,057
46
LOS ANGELES CAPITAL MANAGEMENT LLC
13F CIK 1177206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
729,635
47
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
728,039
47.1
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
28,004
47.2
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
19,418
47.3
AQR Style Premia Alternative Fund
Fund S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
9,241
47.4
AQR Large Cap Momentum Style Fund
Fund S000025643 · Registered fund · Mar 31, 2026
AQR Funds, not summed
2,779
47.5
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
2,779
48
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
727,848
49
New Economy Fund
Fund S000009598 · Registered fund · May 31, 2026
New Economy Fund, not summed
723,459
50
FEDERATED HERMES, INC.
13F CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
719,905

154 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 1,109 holders

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Key facts CIK 1178670 CUSIP 02043Q107 13F (30d) 188 filings 178 filers Visit website Investor relations