13FBOX
ALNYLAM PHARMACEUTICALS INC · 13F Institutional Holdings
Options Calculator Rankings

ALNYLAM PHARMACEUTICALS INC

ALNY
Institutions
796
Combined AUM (Q2 2026)
$40.77B
Combined Shares (Q2 2026)
135.5M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+12.6M
415 · 94 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-9.2M
360 · 83 Exit · ≈
⚖️ Net
+3.4M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$40.77B
Institutions
796
New Buys
94
Adds
321
Reduces
277
Exits
83
Unchanged
104
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
FMR LLC
0.2%0.25%#85$4.52B15.0M$4.82B14.6M+444,796+3.05%Add
Capital World Investors
0.4%0.49%#43$3.35B11.1M$3.57B10.8M+342,498+3.17%Add
BlackRock, Inc.
0.05%0.06%#243$3.28B10.9M$3.46B10.4M+462,767+4.43%Add
Capital Research Global Investors
0.41%0.49%#41$2.94B9.8M$3.13B9.5M+279,518+2.95%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
0.09%0.11%#146$1.97B6.5M$2.15B6.5M+47,110+0.73%Add
VANGUARD CAPITAL MANAGEMENT LLC
0.04%0.05%#285$1.82B6.0M$1.97B5.9M+82,772+1.39%Add
T. Rowe Price Investment Management, Inc.
1.11%1.18%#14$1.70B5.6M$1.72B5.2M+448,849+8.64%Add
Invesco Ltd.
0.09%0.06%#145$1.13B3.8M$427.4M1.3M+2.5M+190.64%Add
STATE STREET CORP
0.03%0.04%#320$1.07B3.6M$1.10B3.3M+232,991+7.01%Add
GEODE CAPITAL MANAGEMENT, LLC
0.04%0.06%#274$791.3M2.6M$884.6M2.7M-24,545-0.92%Reduce
JPMORGAN CHASE & CO
0.04%0.13%#267$785.3M2.7M$2.00B6.3M-3.6M-57.69%Reduce
BAILLIE GIFFORD & CO
0.67%0.8%#25$734.5M2.4M$825.1M2.5M-53,977-2.16%Reduce
NORGES BANK
0.07%0.08%#174$683.9M2.3M$576.8M2.1M+135,789+6.36%Add
WELLINGTON MANAGEMENT GROUP LLP
0.11%0.12%#128$635.3M2.1M$640.5M1.9M+174,482+9.01%Add
Orbis Allan Gray Ltd
2.06%1.86%#8$598.3M2.0M$441.7M1.3M+652,582+48.89%Add
DODGE & COX
0.31%0.35%#57$588.6M2.0M$638.3M1.9M+26,140+1.35%Add
TWO SIGMA INVESTMENTS, LP
0.41%0.53%#42$564.7M1.9M$659.3M2.0M-116,640-5.85%Reduce
AMERICAN CENTURY COMPANIES INC
0.25%0.31%#68$558.1M1.9M$596.3M1.8M+51,593+2.86%Add
D. E. Shaw & Co., Inc.
0.22%0.29%#76$461.9M1.5M$487.8M1.5M+60,047+4.07%Add
Clearbridge Investments, LLC
0.31%0.39%#55$379.1M1.3M$448.7M1.4M-96,553-7.12%Reduce
PRICE T ROWE ASSOCIATES INC /MD/
0.03%0.05%#309$345.9M1.1M$474.1M1.4M-283,547-19.79%Reduce
MORGAN STANLEY
0.02%0.02%#419$310.7M1.0M$331.1M726,061+306,089+42.16%Add
BANK OF AMERICA CORP /DE/
0.02%0.02%#398$299.4M994,476$319.9M966,912+27,564+2.85%Add
Legal & General Group Plc
0.06%0.07%#201$278.3M924,561$309.3M934,881-10,320-1.10%Reduce
MANUFACTURERS LIFE INSURANCE COMPANY, THE
0.21%0.19%#80$269.1M893,795$219.2M662,365+231,430+34.94%Add
ROYAL BANK OF CANADA
0.04%0.05%#278$268.2M890,859$261.9M791,515+99,344+12.55%Add
NORTHERN TRUST CORP
0.03%0.04%#323$267.0M886,900$283.9M858,120+28,780+3.35%Add
VANGUARD FIDUCIARY TRUST CO
0.06%0.07%#206$259.7M862,782$278.2M840,888+21,894+2.60%Add
DEUTSCHE BANK AG\
0.07%0.08%#169$248.6M825,800$255.4M771,864+53,936+6.99%Add
Deep Track Capital, LP
3.61%#3$248.3M825,000$00+825,000New Buy
Qube Research & Technologies Ltd
0.22%0.31%#74$240.4M798,715$277.3M838,187-39,472-4.71%Reduce
SUSQUEHANNA INTERNATIONAL GROUP, LLP
0.02%0.02%#403$240.3M798,160$197.5M596,768+201,392+33.75%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
0.03%0.03%#327$227.4M755,377$222.8M673,356+82,021+12.18%Add
LOS ANGELES CAPITAL MANAGEMENT LLC
0.81%0.12%#20$219.6M729,635$29.2M88,278+641,357+726.52%Add
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.04%0.05%#280$219.1M727,848$224.2M677,519+50,329+7.43%Add
AQR CAPITAL MANAGEMENT LLC
0.08%0.14%#161$219.0M728,039$297.9M913,104-185,065-20.27%Reduce
FEDERATED HERMES, INC.
0.31%0.37%#56$216.7M719,905$227.6M687,816+32,089+4.67%Add
WELLS FARGO & COMPANY/MN
0.03%0.04%#313$204.7M680,047$235.8M712,763-32,716-4.59%Reduce
UBS Group AG
0.02%0.02%#368$188.7M627,004$152.8M461,858+165,146+35.76%Add
Amundi
0.05%0.07%#257$185.9M617,471$247.3M747,544-130,073-17.40%Reduce
LOOMIS SAYLES & CO L P
0.22%0.23%#75$174.7M580,187$169.4M512,097+68,090+13.30%Add
GOLDMAN SACHS GROUP INC
0.02%0.02%#434$173.0M574,757$155.3M469,388+105,369+22.45%Add
Bank of New York Mellon Corp
0.02%0.03%#366$148.1M492,071$162.5M491,200+871+0.18%Add
Polar Capital Holdings Plc
0.34%0.3%#47$145.3M482,751$85.3M257,674+225,077+87.35%Add
Paradigm Biocapital Advisors LP
2.71%#4$144.5M480,000$00+480,000New Buy
FRANKLIN RESOURCES INC
0.03%0.03%#343$134.8M447,699$155.6M470,390-22,691-4.82%Reduce
FIRST TRUST ADVISORS LP
0.07%0.09%#164$126.9M421,534$126.6M382,701+38,833+10.15%Add
RAYMOND JAMES FINANCIAL INC
0.03%0.04%#318$118.2M392,799$130.0M406,956-14,157-3.48%Reduce
DIMENSIONAL FUND ADVISORS LP
0.02%0.03%#381$118.0M392,022$127.1M384,205+7,817+2.03%Add
MILLENNIUM MANAGEMENT LLC
0.04%0.07%#287$114.2M379,201$163.1M493,087-113,886-23.10%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow