George Soros's ALNY Position Overview
George Soros (via Soros Fund Management LLC) currently holds 4,295 shares of Alnylam Pharmaceuticals, Inc. (ALNY) worth $1.96 M, representing 0.03% of the portfolio. First purchased in 2014-Q1, this medium-term investment has been held for 11 quarters.
Based on 13F filings, George Soros has maintained a strategic position in ALNY, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2025, adding 60,000 shares. Largest reduction occurred in Q2 2025, reducing 60,000 shares.
Analysis based on 13F filings available since 2013 Q2
George Soros's Alnylam Pharmaceuticals (ALNY) Holding Value Over Time
Track share changes against reported price movement
Quarterly Alnylam Pharmaceuticals (ALNY) Trades by George Soros
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2014 | +3,092 | New Buy | 3,092 | $67.27 |
| Q2 2014 | -3,092 | Sold Out | 0 | $0.00 |
| Q4 2015 | +6,000 | New Buy | 6,000 | $94.17 |
| Q1 2016 | -6,000 | Sold Out | 0 | $0.00 |
| Q2 2017 | +7,000 | New Buy | 7,000 | $79.71 |
| Q3 2017 | -7,000 | Sold Out | 0 | $0.00 |
| Q2 2019 | +40,000 | New Buy | 40,000 | $72.55 |
| Q3 2019 | -40,000 | Sold Out | 0 | $0.00 |
| Q1 2025 | +60,000 | New Buy | 60,000 | $270.02 |
| Q2 2025 | -60,000 | Sold Out | 0 | $0.00 |
| Q3 2025 | +4,295 | New Buy | 4,295 | $456.00 |
George Soros's Alnylam Pharmaceuticals Investment FAQs
George Soros first purchased Alnylam Pharmaceuticals, Inc. (ALNY) in Q1 2014, acquiring 3,092 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
George Soros has held Alnylam Pharmaceuticals, Inc. (ALNY) for 11 quarters since Q1 2014.
George Soros's largest addition to Alnylam Pharmaceuticals, Inc. (ALNY) was in Q1 2025, adding 60,000 shares worth $16.2 M.
According to the latest 13F filing for Q3 2025, George Soros's firm, Soros Fund Management LLC, owns 4,295 shares of Alnylam Pharmaceuticals, Inc. (ALNY), valued at approximately $1.96 M.
As of the Q3 2025 filing, Alnylam Pharmaceuticals, Inc. (ALNY) represents approximately 0.03% of George Soros's publicly disclosed stock portfolio, making it one of their key holdings.
George Soros's peak holding in Alnylam Pharmaceuticals, Inc. (ALNY) was 60,000 shares, as reported at the end of Q1 2025.