Andreas Halvorsen's BMRN Position Overview
Andreas Halvorsen (via Viking Global Investors Lp) currently holds 6.04 M shares of BioMarin Pharmaceutical Inc. (BMRN) worth $358.78 M, representing 0.95% of the portfolio. First purchased in 2016-Q1, this long-term strategic position has been held for 34 quarters.
Based on 13F filings, Andreas Halvorsen has maintained a strategic position in BMRN, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2021, adding 2.87 M shares. Largest reduction occurred in Q3 2025, reducing 3.97 M shares.
Analysis based on 13F filings available since 2013 Q2
Andreas Halvorsen's BioMarin Pharmaceutical (BMRN) Holding Value Over Time
Track share changes against reported price movement
Quarterly BioMarin Pharmaceutical (BMRN) Trades by Andreas Halvorsen
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -2.29 M | Reduce 27.46% | 6.04 M | $59.43 |
| Q3 2025 | -3.97 M | Reduce 32.28% | 8.32 M | $54.16 |
| Q2 2025 | +1.49 M | Add 13.78% | 12.29 M | $54.97 |
| Q1 2025 | +289,509 | Add 2.75% | 10.8 M | $70.69 |
| Q4 2024 | +757,257 | Add 7.76% | 10.51 M | $65.73 |
| Q3 2024 | +2.69 M | Add 38.08% | 9.75 M | $70.29 |
| Q2 2024 | +647,276 | Add 10.09% | 7.06 M | $82.33 |
| Q1 2024 | +1.53 M | Add 31.23% | 6.42 M | $87.34 |
| Q4 2023 | +673,998 | Add 15.99% | 4.89 M | $96.42 |
| Q3 2023 | +58,671 | Add 1.41% | 4.22 M | $88.48 |
| Q2 2023 | +1.99 M | Add 91.68% | 4.16 M | $86.68 |
| Q1 2023 | -3.11 M | Reduce 58.88% | 2.17 M | $97.24 |
| Q4 2022 | +174,456 | Add 3.42% | 5.27 M | $103.49 |
| Q3 2022 | +46,571 | Add 0.92% | 5.1 M | $84.77 |
| Q2 2022 | +1.3 M | Add 34.65% | 5.05 M | $82.87 |
| Q1 2022 | +882,446 | Add 30.75% | 3.75 M | $77.10 |
| Q4 2021 | +2.87 M | New Buy | 2.87 M | $88.35 |
| Q2 2020 | -1.45 M | Sold Out | 0 | $0.00 |
| Q1 2020 | -168,114 | Reduce 10.37% | 1.45 M | $84.50 |
| Q4 2019 | -1.44 M | Reduce 46.97% | 1.62 M | $84.55 |
| Q3 2019 | +467,753 | Add 18.06% | 3.06 M | $67.40 |
| Q2 2019 | -2.54 M | Reduce 49.50% | 2.59 M | $85.65 |
| Q1 2019 | +37,272 | Add 0.73% | 5.13 M | $88.83 |
| Q4 2018 | +962,696 | Add 23.32% | 5.09 M | $85.15 |
| Q3 2018 | +869,184 | Add 26.66% | 4.13 M | $96.97 |
| Q2 2018 | +1.58 M | Add 93.75% | 3.26 M | $94.20 |
| Q1 2018 | +1.68 M | New Buy | 1.68 M | $81.07 |
| Q3 2017 | -259,656 | Sold Out | 0 | $0.00 |
| Q2 2017 | -616,457 | Reduce 70.36% | 259,656 | $90.82 |
| Q1 2017 | -522,344 | Reduce 37.35% | 876,113 | $87.78 |
| Q4 2016 | +908,153 | Add 185.22% | 1.4 M | $82.84 |
| Q3 2016 | +490,304 | New Buy | 490,304 | $92.52 |
| Q2 2016 | -602,116 | Sold Out | 0 | $0.00 |
| Q1 2016 | +602,116 | New Buy | 602,116 | $82.48 |
Andreas Halvorsen's BioMarin Pharmaceutical Investment FAQs
Andreas Halvorsen first purchased BioMarin Pharmaceutical Inc. (BMRN) in Q1 2016, acquiring 602,116 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen has held BioMarin Pharmaceutical Inc. (BMRN) for 34 quarters since Q1 2016.
Andreas Halvorsen's largest addition to BioMarin Pharmaceutical Inc. (BMRN) was in Q4 2021, adding 2,869,947 shares worth $253.56 M.
According to the latest 13F filing for Q4 2025, Andreas Halvorsen's firm, Viking Global Investors Lp, owns 6,036,936 shares of BioMarin Pharmaceutical Inc. (BMRN), valued at approximately $358.78 M.
As of the Q4 2025 filing, BioMarin Pharmaceutical Inc. (BMRN) represents approximately 0.95% of Andreas Halvorsen's publicly disclosed stock portfolio, making it one of their key holdings.
Andreas Halvorsen's peak holding in BioMarin Pharmaceutical Inc. (BMRN) was 12,288,611 shares, as reported at the end of Q2 2025.