Andreas Halvorsen - Viking Global Investors
Holding/activity history for Biogen Inc. (BIIB)
← All BIIB superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2017 Q2 | 0 | 0.00 | Sell 100.00% | 0.85 | $244.28–291.90 · VW $266.52i | SEC | |
| 2017 Q1 | 688,765 | 0.85 | Reduce 64.10% | 1.61 | $260.50–301.42 · VW $281.28i | $188,322,000 | SEC |
| 2016 Q4 | 1,918,812 | 2.51 | Reduce 12.24% | 0.37 | $268.00–329.83 · VW $292.03i | $544,137,000 | SEC |
| 2016 Q3 | 2,186,336 | 3.03 | Reduce 31.90% | 1.07 | $240.07–333.65 · VW $298.36i | $684,389,000 | SEC |
| 2016 Q2 | 3,210,507 | 3.34 | Add 1290.15% | 3.10 | $223.02–292.69 · VW $265.44i | $776,365,000 | SEC |
| 2016 Q1 | 230,947 | 0.27 | Reduce 37.39% | 0.17 | $242.07–301.02 · VW $266.24i | $60,120,000 | SEC |
| 2015 Q4 | 368,864 | 0.45 | Buy | 0.45 | $254.00–311.65 · VW $286.86i | $113,001,000 | SEC |
| 2015 Q3 | 0 | 0.00 | Sell 100.00% | 0.85 | $265.00–412.24 · VW $315.24i | SEC | |
| 2015 Q2 | 513,444 | 0.85 | Buy | 0.85 | $368.88–432.88 · VW $394.72i | $207,401,000 | SEC |
| 2014 Q2 | 0 | 0.00 | Sell 100.00% | 0.54 | $272.02–322.25 · VW $301.15i | SEC | |
| 2014 Q1 | 388,900 | 0.54 | Buy | 0.54 | $270.62–358.89 · VW $316.50i | $118,953,000 | SEC |
| 2013 Q4 | 0 | 0.00 | Sell 100.00% | 0.43 | $221.07–298.82 · VW $265.64i | SEC | |
| 2013 Q3 | 290,345 | 0.43 | Reduce 69.95% | 0.88 | $203.55–248.95 · VW $223.88i | $69,903,000 | SEC |
| 2013 Q2 | 966,288 | 1.26 | Reduce 24.91% | 0.51 | $191.80–242.64 · VW $218.10i | $207,945,000 | SEC |
| 2013 Q1 | 1,286,835 | 2.07 | Reduce 52.79% | 2.00 | $139.72–192.92 · VW $164.34i | $247,867,000 | SEC |
| 2012 Q4 | 2,725,961 | 3.79 | Add 36.30% | 1.01 | $134.00–155.30 · VW $145.31i | $398,998,000 | SEC |
| 2012 Q3 | 2,000,023 | 2.85 | Reduce 44.23% | 2.60 | $137.88–157.18 · VW $146.89i | $298,423,000 | SEC |
| 2012 Q2 | 3,586,445 | 5.88 | Add 11.54% | 0.61 | $124.23–144.38 · VW $134.23i | $517,810,000 | SEC |
| 2012 Q1 | 3,215,487 | 4.92 | Add 117.78% | 2.66 | $111.44–127.85 · VW $118.81i | $405,151,000 | SEC |
| 2011 Q4 | 1,476,496 | 2.23 | Reduce 41.62% | 1.57 | $87.72–120.66 · VW $110.45i | $162,488,000 | SEC |
| 2011 Q3 | 2,529,322 | 3.76 | Add 82.10% | 1.70 | $83.83–109.14 · VW $97.02i | $235,606,000 | SEC |
| 2011 Q2 | 1,388,966 | 1.86 | Buy | 1.86 | $72.70–109.63 · VW $96.61i | $148,508,000 | SEC |
| 2004 Q3 | 0 | 0.00 | Sell 100.00% | 4.32 | $53.06–63.50 · VW $59.31i | SEC | |
| 2004 Q2 | 741,600 | 4.32 | Reduce 38.89% | 2.39 | $54.56–64.00 · VW $60.06i | $46,906,000 | SEC |
| 2004 Q1 | 1,213,600 | 6.14 | Reduce 42.01% | 3.71 | $36.60–59.63 · VW $50.05i | $67,476,000 | SEC |
| 2003 Q4 | 2,092,900 | 8.83 | Buy | 8.83 | $31.63–39.41 · VW $35.86i | $76,809,000 | SEC |
Price snapshot:
Current price$209.03
52-week low$121.05
52-week high$219.72