Alnylam Pharmaceuticals Inc (ALNY) Ownership

245.44 ↑6.57 (2.75%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

Nuveen Asset Management, LLC is the biggest individual institutional holder of Alnylam Pharmaceuticals Inc (ALNY), owning a total of 16.6 million shares. Combined, the top 38 institutional holders of ALNY own 104.06% of the company with a total of 133.3 million shares.

In the latest ownership report on September 30th 2024, the top 38 institutional holders increased their combined ownership of ALNY by 7.2 million shares. 12 institutions bought 9,976,703 total additional shares and increased their ownership by an average of 532.95%. However 7 institutions sold 2,788,241 total shares and decreased their ownership by an average of 8.4%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Alnylam Pharmaceuticals increased by a net total of 7,188,462 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Capital World Investors12.799%10.267%16,508,4241,537,0812024-09-30
FMR Inc11.376%20.620%14,672,2722,508,2342024-09-30
Vanguard Group Inc9.796%1.018%12,635,096127,3182024-09-30
Capital Research Global Investors4.066%61.071%5,243,9031,988,2552024-09-30
Wellington Management Company LLP3.840%-20.242%4,953,347-1,257,1322024-09-30
Baillie Gifford & Co Limited.3.789%-18.991%4,887,000-1,145,6562024-09-30
Capital Research & Mgmt Co - Division 33.079%2.051%3,970,86379,8042024-09-30
Dodge & Cox2.809%-4.170%3,622,535-157,6502024-09-30
State Street Corp2.689%-1.882%3,468,315-66,5212024-09-30
T. Rowe Price Associates, Inc.2.676%-1.037%3,451,833-36,1702024-09-30
T. Rowe Price Investment Management,Inc.2.434%-0.456%3,139,254-14,3732024-09-30
JPMorgan Chase & Co1.677%22.002%2,162,944390,0732024-09-30
Geode Capital Management, LLC1.665%3.217%2,147,20366,9282024-09-30
American Century Companies Inc1.235%17.617%1,592,733238,5642024-09-30
Groupama Asset Management1.180%6,177.890%1,521,3851,497,1512024-09-30
Orbis Allan Gray Ltd0.983%75.870%1,268,112547,0592024-09-30
Winslow Capital Management, LLC0.746%0.000%961,607961,6072024-09-30
Legal & General Group PLC0.745%3.738%960,95934,6292024-09-30
Bellevue Group AG0.627%-12.039%809,095-110,7392024-09-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Nuveen Asset Management, LLC13.368%5,486.110%16,593,26816,296,2232022-09-30
Capital World Investors12.799%10.267%16,508,4241,537,0812024-09-30
FMR Inc11.376%20.620%14,672,2722,508,2342024-09-30
Vanguard Group Inc9.796%1.018%12,635,096127,3182024-09-30
BlackRock Inc7.402%5.791%9,547,663522,6562024-06-30
Capital Research Global Investors4.066%61.071%5,243,9031,988,2552024-09-30
Wellington Management Company LLP3.840%-20.242%4,953,347-1,257,1322024-09-30
Baillie Gifford & Co Limited.3.789%-18.991%4,887,000-1,145,6562024-09-30
Capital Research & Mgmt Co - Division 33.079%2.051%3,970,86379,8042024-09-30
Dodge & Cox2.809%-4.170%3,622,535-157,6502024-09-30
State Street Corp2.689%-1.882%3,468,315-66,5212024-09-30
T. Rowe Price Associates, Inc.2.676%-1.037%3,451,833-36,1702024-09-30
State Street Corporation2.486%2.335%3,191,37372,8212024-03-31
T. Rowe Price Investment Management,Inc.2.434%-0.456%3,139,254-14,3732024-09-30
NORGES BANK1.781%12.599%2,296,781256,9832024-06-30
JPMorgan Chase & Co1.677%22.002%2,162,944390,0732024-09-30
Geode Capital Management, LLC1.665%3.217%2,147,20366,9282024-09-30
RTW INVESTMENTS, LLC1.297%-2.543%1,640,559-42,8032023-12-31
American Century Companies Inc1.235%17.617%1,592,733238,5642024-09-30
Groupama Asset Management1.180%6,177.890%1,521,3851,497,1512024-09-30
Morgan Stanley - Brokerage Accounts1.150%9.808%1,483,028132,4662024-06-30
Orbis Allan Gray Ltd0.983%75.870%1,268,112547,0592024-09-30
Amundi0.963%31.921%1,195,909289,3752022-09-30
venBio Select Advisor LLC0.878%9.890%1,111,111100,0002023-12-31
Winslow Capital Management, LLC0.746%0.000%961,607961,6072024-09-30
Legal & General Group PLC0.745%3.738%960,95934,6292024-09-30
Manufacturers Life Insurance Co0.682%-49.330%839,015-816,8202022-09-30
Bank of New York Mellon Corp0.662%0.006%837,131472023-12-31
UBS Asset Mgmt Americas Inc0.648%10.118%835,41376,7632024-06-30
Deep Track Capital, LP0.648%0.000%832,310832,3102024-03-31
Bellevue Group AG0.627%-12.039%809,095-110,7392024-09-30
Northern Trust Corp0.608%5.578%780,83541,2512024-06-30
Bank of America Corp0.617%154.348%771,205467,9962023-03-31
Massachusetts Financial Services Company0.615%1.354%765,77210,2302023-03-31
Pictet Asset Manangement SA0.588%-21.110%758,528-202,9762024-06-30
Loomis, Sayles & Company LP0.608%-9.701%747,750-80,3292022-09-30
AllianceBernstein L.P.0.549%1,093.920%675,007618,4702022-06-30
Amvescap Plc.0.306%120.310%392,841214,5282024-06-30

Mutual Fund Ownership

American Funds Growth Fund of Amer A is the biggest individual fund holder of Alnylam Pharmaceuticals Inc (ALNY), owning a total of 10.8 million shares. Combined, the top 31 mutual fund holders of ALNY own 68.14% of the company with a total of 87.5 million shares.

In the latest ownership report on October 31st 2024, the top 31 fund holders increased their combined ownership of ALNY by 399 thousand shares. 1 funds bought 4,914 total additional shares and increased their ownership by an average of 0.18%. However 4 funds sold 403,751 total shares and decreased their ownership by an average of 4.64%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Alnylam Pharmaceuticals decreased by a net total of -398,837 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard Total Stock Mkt Idx Inv3.145%-0.369%4,056,187-15,0282024-10-31
Vanguard Mid Cap Index Institutional2.112%0.181%2,723,7394,9142024-10-31
Fidelity Growth Compy Commingled Pl S1.490%-0.051%1,922,026-9872024-10-31
Vanguard Institutional Extnd Mkt Idx Tr1.478%-0.539%1,906,322-10,3362024-10-31
Fidelity OTC1.369%-17.609%1,765,885-377,4002024-10-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
American Funds Growth Fund of Amer A8.407%17.371%10,843,0491,604,7472024-09-30
Capital Group Growth Fnd of Amer Comp8.407%17.371%10,843,0491,604,7472024-09-30
Vanguard Total Stock Mkt Idx Inv3.145%-0.369%4,056,187-15,0282024-10-31
Vanguard Health Care Inv3.115%-20.102%4,017,864-1,010,8992024-09-30
Vanguard Instl Ttl Stck Mkt Idx Tr3.065%2.745%3,846,587102,7572023-03-31
American Funds New Perspective A2.876%7.078%3,709,512245,2112024-09-30
Capital Group New Perspective Comp2.876%7.078%3,709,512245,2112024-09-30
Capital Group AMCAP Composite2.382%16.868%3,072,430443,4482024-09-30
VA CollegeAmerica Amcap 529A2.382%16.868%3,072,430443,4482024-09-30
Fidelity Growth Compy Commingled Pl 32.197%0.000%2,746,21002023-07-31
Vanguard Mid Cap Index Institutional2.112%0.181%2,723,7394,9142024-10-31
Dodge & Cox Stock I1.797%-1.240%2,317,300-29,1002024-09-30
Capital Group Growth Composite1.645%3.867%2,122,06379,0002024-09-30
American Funds IS® Growth 11.645%3.867%2,122,06379,0002024-09-30
Fidelity Growth Compy Commingled Pl S1.490%-0.051%1,922,026-9872024-10-31
Fidelity Growth Compy Commingled Pl O1.490%0.000%1,912,38302024-08-31
Vanguard Institutional Extnd Mkt Idx Tr1.478%-0.539%1,906,322-10,3362024-10-31
American Funds Fundamental Invs A1.460%9.756%1,882,997167,3752024-09-30
Capital Group Fundamental Invtrs Comp1.460%9.756%1,882,997167,3752024-09-30
Fidelity OTC1.369%-17.609%1,765,885-377,4002024-10-31
Vanguard Extended Market Index Investor1.389%0.312%1,736,0485,4072023-08-31
American Funds New Economy A1.306%52.803%1,684,237582,0062024-09-30
Capital Group New Economy Comp1.306%52.803%1,684,237582,0062024-09-30
Fidelity® Growth Company1.307%-6.577%1,640,658-115,5002023-11-30
T. Rowe Price Mid-Cap Growth1.179%-0.210%1,520,400-3,2002024-09-30
T. Rowe Price US Mid-Cap Growth Equity1.179%-0.269%1,520,400-4,1002024-09-30
T. Rowe Price New Horizons1.220%3.370%1,519,62949,5382023-03-31
US Small-Cap Growth II Equity Comp1.193%0.000%1,496,5561,496,5562023-06-30
Vanguard Growth Index Investor1.123%0.413%1,441,9495,9342024-08-31
Fidelity Growth Company Fund1.070%-0.340%1,373,787-4,6862024-06-30
T. Rowe Price Health Sciences1.074%15.580%1,358,790183,1642024-03-31

Discussions

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Clean_Teoth9/30/24 11:41am

$ALNY TRUST THE PROCESS! BUY AND HOLD! OUR TIME IS COMING$$$

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iburnmoney3/3/24 02:11am

$ALNY I already know
tomorrow the bulls going to say "next week" just like every week.

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glaglewd2/20/24 04:02am

$ALNY Reinvest your dividends

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DivorceTiramisu10/23/23 09:40am

$ALNY I'll say it again slowwwllyyyy! Better stocks to short by far

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