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Ticker![]() | Guru | Date
|
Action |
Impact
![]() |
Price Range (Average)*
![]() |
Current Price | Change from Average![]() |
Comment | Current Shares | |
|---|---|---|---|---|---|---|---|---|---|---|
| BIIB | Frank Sands | 2013-03-31 | Buy | 2.4% | $142.82 - $192.618 ($161.38) | $ 232.62 | 44% | New holding, 3578308 sh. | 3,578,308 | |
| BIIB | Ray Dalio | 2013-03-31 | Add | 0.06% | $142.82 - $192.618 ($161.38) | $ 232.62 | 44% | Add 172.25% | 49,712 | |
| BIIB | John Hussman | 2013-03-31 | Reduce | -0.92% | $142.82 - $192.618 ($161.38) | $ 232.62 | 44% | Reduce -48.4% | 258,000 | |
| BIIB | Ray Dalio | 2012-12-31 | Reduce | -0.08% | $135.61 - $154.22 ($147.04) | $ 232.62 | 58% | Reduce -69.97% | 18,260 | |
| BIIB | Joel Greenblatt | 2012-12-31 | Sold Out | -0.02% | $135.61 - $154.22 ($147.04) | $ 232.62 | 58% | Sold Out | 0 | |
| BIIB | Ray Dalio | 2012-09-30 | Buy | 0.12% | $139.09 - $156.06 ($146.73) | $ 232.62 | 58% | New holding, 60804 sh. | 60,804 | |
| BIIB | Joel Greenblatt | 2012-09-30 | Buy | 0.02% | $139.09 - $156.06 ($146.73) | $ 232.62 | 58% | New holding, 2172 sh. | 2,172 | |
| BIIB | John Hussman | 2012-09-30 | Reduce | -1.35% | $139.09 - $156.06 ($146.73) | $ 232.62 | 58% | Reduce -50% | 500,000 | |
| BIIB | Vanguard Health Care Fund | 2012-09-30 | Reduce | -0.44% | $139.09 - $156.06 ($146.73) | $ 232.62 | 58% | Reduce -29.28% | 1,570,000 | |
| BIIB | George Soros | 2011-12-31 | Sold Out | -0.32% | $88.96 - $118.72 ($108.91) | $ 232.62 | 114% | Sold Out | 0 | |
| BIIB | David Dreman | 2011-12-31 | Sold Out | -0.05% | $88.96 - $118.72 ($108.91) | $ 232.62 | 114% | Sold Out | 0 | |
| BIIB | George Soros | 2011-09-30 | Buy | 0.32% | $85.03 - $107.91 ($97.45) | $ 232.62 | 139% | New holding, 201000 sh. | 201,000 | |
| BIIB | Carl Icahn | 2011-09-30 | Sold Out | -15.14% | $85.03 - $107.91 ($97.45) | $ 232.62 | 139% | Sold Out | 0 | |
| BIIB | Mario Gabelli | 2011-06-30 | Reduce | $72.96 - $108.98 ($93.13) | $ 232.62 | 150% | Reduce -25.68% | 5,500 | ||
| BIIB | John Hussman | 2011-06-30 | Reduce | -0.43% | $72.96 - $108.98 ($93.13) | $ 232.62 | 150% | Reduce -23.33% | 1,150,000 | |
| BIIB | Joel Greenblatt | 2011-06-30 | Sold Out | -0.09% | $72.96 - $108.98 ($93.13) | $ 232.62 | 150% | Sold Out | 0 | |
| BIIB | David Dreman | 2011-06-30 | Reduce | -0.04% | $72.96 - $108.98 ($93.13) | $ 232.62 | 150% | Reduce -60.57% | 20,848 | |
| BIIB | George Soros | 2011-03-31 | Sold Out | $65.08 - $71.9 ($68.19) | $ 232.62 | 241% | Sold Out | 0 | ||
| BIIB | Mario Gabelli | 2011-03-31 | Reduce | $65.08 - $71.9 ($68.19) | $ 232.62 | 241% | Reduce -93.82% | 7,400 | ||
| BIIB | John Hussman | 2010-12-31 | Add | 0.42% | $56.63 - $68.22 ($63.28) | $ 232.62 | 268% | Add 36.36% | 1,500,000 | |
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| Ticker | Guru Name | Portfolio Date* | Current Shares | % of Shares Outstanding | % of Total Assets Managed | Change from Last Holdings | Holding History |
|---|---|---|---|---|---|---|---|
| BIIB | Frank Sands | 2013-03-31 | 3,578,308 | 1.51 | 2.4 | New Buy | |
| BIIB | Ray Dalio | 2013-03-31 | 49,712 | 0.02 | 0.09 | +172.25% | |
| BIIB | Vanguard Health Care Fund | 2013-03-31 | 1,520,000 | 0.64 | 1.2 | ||
| BIIB | PRIMECAP Management | 2013-03-31 | 19,207,553 | 8.13 | 5.5 | -7.88% | |
| BIIB | Mario Gabelli | 2013-03-31 | 2,430 | 0 | 0 | -19.8% | |
| BIIB | John Hussman | 2013-03-31 | 258,000 | 0.11 | 1.8 | -48.4% |
Most recent portfolio changes are included for Premium Members only!BIIB: Insider Buys/Sells Click Here for All Insider Trades. |
| Insider | Position | Date | Trades | Shares | Trade Price ($) | Change (%) | Details |
|---|---|---|---|---|---|---|---|
| SCANGOS GEORGE A | CEO | 2013-05-01 | Sell | 1,598 | $215.39 | 7.47 | view |
| Clancy Paul J | Executive VP and CFO | 2013-04-30 | Sell | 23,612 | $222.75 | 3.91 | view |
| SCANGOS GEORGE A | CEO | 2013-04-01 | Sell | 1,598 | $193.66 | 19.52 | view |
| SCANGOS GEORGE A | CEO | 2013-04-01 | Sell | 1,598 | $193.66 | 19.52 | view |
| SHERWIN STEPHEN A | Director | 2013-03-22 | Sell | 1,500 | $176.88 | 30.86 | view |
| Mulligan Richard | Director | 2013-03-22 | Sell | 2,900 | $176.88 | 30.86 | view |
| Posner Brian S | Director | 2013-03-18 | Sell | 4,500 | $174.81 | 32.41 | view |
| Mulligan Richard | Director | 2013-03-13 | Sell | 7,980 | $175.38 | 31.98 | view |
| PAPADOPOULOS STELIOS | Director | 2013-03-11 | Sell | 46,675 | $172.26 | 34.37 | view |
| SCANGOS GEORGE A | CEO | 2013-03-01 | Sell | 1,598 | $165.3 | 40.03 | view |
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