Jeff Auxier's BIIB Position Overview
Jeff Auxier (via Auxier Asset Management LLC) currently holds 8,911 shares of Biogen Inc. (BIIB) worth $1.57 M, representing 0.22% of the portfolio. First purchased in 2015-Q4, this long-term strategic position has been held for 41 quarters.
Based on 13F filings since 2013, Jeff Auxier has maintained a long-term strategic position in BIIB, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2016, adding 8,970 shares. Largest reduction occurred in Q1 2024, reducing 5,053 shares.
Analysis based on 13F filings available since 2013 Q2
Jeff Auxier's Biogen (BIIB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Biogen (BIIB) Trades by Jeff Auxier
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -1,251 | Reduce 12.31% | 8,911 | $175.99 |
| Q3 2025 | -70 | Reduce 0.68% | 10,162 | $140.08 |
| Q2 2025 | -3,315 | Reduce 24.47% | 10,232 | $125.59 |
| Q1 2025 | -499 | Reduce 3.55% | 13,547 | $136.84 |
| Q4 2024 | -2,136 | Reduce 13.20% | 14,046 | $152.92 |
| Q3 2024 | -38 | Reduce 0.23% | 16,182 | $193.84 |
| Q2 2024 | -385 | Reduce 2.32% | 16,220 | $231.82 |
| Q1 2024 | -5,053 | Reduce 23.33% | 16,605 | $215.63 |
| Q4 2023 | -102 | Reduce 0.47% | 21,658 | $258.77 |
| Q3 2023 | -25 | Reduce 0.11% | 21,760 | $257.01 |
| Q2 2023 | -510 | Reduce 2.29% | 21,785 | $284.85 |
| Q1 2023 | -50 | Reduce 0.22% | 22,295 | $278.03 |
| Q4 2022 | -1,355 | Reduce 5.72% | 22,345 | $276.92 |
| Q3 2022 | -40 | Reduce 0.17% | 23,700 | $267.00 |
| Q2 2022 | -70 | Reduce 0.29% | 23,740 | $203.96 |
| Q4 2021 | -175 | Reduce 0.73% | 23,810 | $239.90 |
| Q3 2021 | -145 | Reduce 0.60% | 23,985 | $283.01 |
| Q2 2021 | -237 | Reduce 0.97% | 24,130 | $346.25 |
| Q1 2021 | -20 | Reduce 0.08% | 24,367 | $279.76 |
| Q4 2020 | +120 | Add 0.49% | 24,387 | $244.84 |
| Q3 2020 | -45 | Reduce 0.19% | 24,267 | $283.68 |
| Q2 2020 | -1,950 | Reduce 7.43% | 24,312 | $267.56 |
| Q1 2020 | -1,155 | Reduce 4.21% | 26,262 | $316.39 |
| Q3 2019 | +200 | Add 0.73% | 27,417 | $232.81 |
| Q2 2019 | +960 | Add 3.66% | 27,217 | $233.86 |
| Q1 2019 | +100 | Add 0.38% | 26,257 | $236.39 |
| Q4 2018 | -2,000 | Reduce 7.10% | 26,157 | $300.91 |
| Q2 2018 | -68 | Reduce 0.24% | 28,157 | $290.23 |
| Q1 2018 | +70 | Add 0.25% | 28,225 | $273.84 |
| Q4 2017 | +10 | Add 0.04% | 28,155 | $318.56 |
| Q3 2017 | -25 | Reduce 0.09% | 28,145 | $313.13 |
| Q2 2017 | +2,295 | Add 8.87% | 28,170 | $271.35 |
| Q1 2017 | +570 | Add 2.25% | 25,875 | $273.43 |
| Q4 2016 | +2,670 | Add 11.80% | 25,305 | $283.58 |
| Q3 2016 | +4,650 | Add 25.85% | 22,635 | $313.01 |
| Q2 2016 | +8,970 | Add 99.50% | 17,985 | $241.81 |
| Q1 2016 | +1,820 | Add 25.30% | 9,015 | $260.34 |
| Q4 2015 | +7,195 | New Buy | 7,195 | $306.32 |
Jeff Auxier's Biogen Investment FAQs
Jeff Auxier first purchased Biogen Inc. (BIIB) in Q4 2015, acquiring 7,195 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeff Auxier has held Biogen Inc. (BIIB) for 41 quarters since Q4 2015.
Jeff Auxier's largest addition to Biogen Inc. (BIIB) was in Q2 2016, adding 17,985 shares worth $4.35 M.
According to the latest 13F filing for Q4 2025, Jeff Auxier's firm, Auxier Asset Management LLC, owns 8,911 shares of Biogen Inc. (BIIB), valued at approximately $1.57 M.
As of the Q4 2025 filing, Biogen Inc. (BIIB) represents approximately 0.22% of Jeff Auxier's publicly disclosed stock portfolio, making it one of their key holdings.
Jeff Auxier's peak holding in Biogen Inc. (BIIB) was 28,225 shares, as reported at the end of Q1 2018.