Alnylam Pharmaceuticals Inc
ALNY · US
Alnylam Pharmaceuticals Inc is held by 5 of the 24 tracked investors in their latest 13F filings. The largest position is Baillie Gifford's at $734M, 0.67% of that portfolio. Versus the prior quarter, 2 added, 2 trimmed and 0 bought new.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Baillie Gifford weight 0.67% · Q2 2026 |
734M | ▼ 2% |
| Norges Bank weight 0.07% · Q2 2026 |
684M | – |
| Korea Investment Corporation weight 0.14% · Q2 2026 |
74.6M | ▲ 24% |
| National Pension Service (Korea) weight 0.04% · Q2 2026 |
59.7M | ▲ 8% |
| Bridgewater Associates weight 0.12% · Q2 2026 |
30.0M | ▼ 7% |
Questions
Which big investors own Alnylam Pharmaceuticals Inc?
Baillie Gifford ($734M), Norges Bank ($684M), Korea Investment Corporation ($74.6M), National Pension Service (Korea) ($59.7M), Bridgewater Associates ($30.0M), per their latest 13F filings.
Does Warren Buffett own Alnylam Pharmaceuticals Inc?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Alnylam Pharmaceuticals Inc?
Yes, $59.7M as of 2026-06-30 (0.04% of its US holdings).
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.