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BIIB - As of  06/20/24, 05:08:51 AM:   174 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$252.54  Avg Vol(3m): 1,811,690  P/E: 15.50  EPS: 16.27

Email this page to a friend.    Insider Transactions for BIIB

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-12 14:40:04.0 BIOGEN INC BIIB PRIMECAP MANAGEMENT CO 8.42% view
B 2020-02-12 11:01:00.0 BIOGEN INC BIIB VANGUARD GROUP INC 7.68% view
B 2020-02-05 11:25:46.0 BIOGEN INC BIIB BlackRock Inc 8.7% view
B 2019-02-11 11:44:18.0 BIOGEN INC BIIB VANGUARD GROUP INC 7.52% view
B 2019-02-08 15:52:45.0 BIOGEN INC BIIB PRIMECAP MANAGEMENT CO 7.31% view
B 2019-02-04 10:22:55.0 BIOGEN INC BIIB BlackRock Inc 8.2% view
B 2018-02-08 12:18:03.0 BIOGEN INC BIIB VANGUARD GROUP INC 7.03% view
B 2018-01-29 16:40:21.0 BIOGEN INC BIIB BlackRock Inc 7.9% view
S 2017-02-14 10:47:47.0 BIOGEN INC BIIB FMR LLC 3.865% view
B 2017-02-10 12:16:08.0 BIOGEN INC BIIB VANGUARD GROUP INC 6.43% view
B 2017-01-19 17:24:56.0 BIOGEN INC BIIB BlackRock Inc 7.9% view
S 2016-02-12 08:57:56.0 BIOGEN INC BIIB FMR LLC 5.798% view
S 2016-02-12 06:19:50.0 BIOGEN INC BIIB PRIMECAP MANAGEMENT CO 7.09% view
S 2016-02-11 16:07:58.0 BIOGEN INC BIIB PRICE T ROWE ASSOCIATES INC 2.8% view
B 2016-02-10 10:15:58.0 BIOGEN INC BIIB BlackRock Inc 7.5% view
B 2016-02-10 08:47:12.0 BIOGEN INC BIIB VANGUARD GROUP INC 5.93% view
S 2015-02-13 13:50:31.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 7.27% view
S 2015-02-13 10:04:23.0 BIOGEN IDEC INC BIIB FMR LLC 8.379% view
B 2015-02-12 14:30:08.0 BIOGEN IDEC INC BIIB PRICE T ROWE ASSOCIATES INC 5.1% view
B 2015-02-10 17:45:27.0 BIOGEN IDEC INC BIIB VANGUARD GROUP INC 5.39% view
B 2015-01-29 14:20:17.0 BIOGEN IDEC INC BIIB BlackRock Inc 6.5% view
S 2014-02-14 15:59:46.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 7.53% view
B 2014-02-14 06:45:37.0 BIOGEN IDEC INC BIIB FMR LLC 10.209% view
S 2014-02-04 15:54:54.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 4.36% view
B 2014-02-04 15:48:32.0 BIOGEN IDEC INC BIIB BlackRock Inc 6.0% view
S 2013-02-14 13:49:31.0 BIOGEN IDEC INC BIIB FMR LLC 9.832% view
B 2013-02-14 11:56:35.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 5.05% view
S 2013-02-12 16:41:43.0 BIOGEN IDEC INC BIIB Capital Research Global Investors 4.6% view
S 2013-02-08 16:18:30.0 BIOGEN IDEC INC BIIB BlackRock Inc 5.4% view
B 2013-01-30 08:01:08.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 5.05% view
B 2012-08-10 11:06:58.0 BIOGEN IDEC INC BIIB FMR LLC 10.144% view
B 2012-02-14 12:12:29.0 BIOGEN IDEC INC BIIB FMR LLC 8.683% view
S 2012-02-14 08:47:54.0 BIOGEN IDEC INC BIIB Clearbridge Advisors 4.9% view
S 2012-02-13 21:29:52.0 BIOGEN IDEC INC BIIB Capital Research Global Investors 5.8% view
S 2012-02-13 13:28:39.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 9.81% view
B 2012-02-13 10:22:29.0 BIOGEN IDEC INC BIIB BlackRock Inc 7.1% view
S 2012-01-27 06:59:27.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 4.98% view
S 2011-11-03 14:40:13.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 9.96% view
S 2011-06-22 16:13:38.0 BIOGEN IDEC INC BIIB ICAHN CARL C 3.4% view
B 2011-05-23 17:04:53.0 BIOGEN IDEC INC BIIB ICAHN CARL C 5.56% view
S 2011-02-14 11:50:45.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 10.86% view
B 2011-02-11 17:26:15.0 BIOGEN IDEC INC BIIB GOLDMAN SACHS ASSET MANAGEMENT LP 3.4% view
S 2011-02-11 12:48:18.0 BIOGEN IDEC INC BIIB Clearbridge Advisors 6.94% view
B 2011-02-10 10:37:45.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 5.26% view
B 2011-02-09 15:29:05.0 BIOGEN IDEC INC BIIB Capital Research Global Investors 8.8% view
S 2011-02-02 16:11:41.0 BIOGEN IDEC INC BIIB BlackRock Inc 5.67% view
B 2010-08-10 12:19:55.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 10.89% view
B 2010-03-22 17:30:40.0 BIOGEN IDEC INC BIIB ICAHN CARL C n/a view
B 2010-02-16 12:46:38.0 BIOGEN IDEC INC BIIB FMR LLC 5.962% view
B 2010-01-29 14:13:54.0 BIOGEN IDEC INC BIIB BlackRock Inc 8.0% view
S 2010-01-28 17:24:40.0 BIOGEN IDEC INC BIIB ICAHN CARL C n/a view
B 2009-02-11 20:36:06.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 8.53% view
S 2009-02-06 17:22:46.0 BIOGEN IDEC INC BIIB ICAHN CARL C 5.51% view
S 2009-02-03 12:41:57.0 BIOGEN IDEC INC BIIB BARCLAYS GLOBAL INVESTORS NA 2.84% view
B 2008-08-11 17:28:48.0 BIOGEN IDEC INC BIIB ICAHN CARL C 6.03% view
S 2008-02-27 11:00:40.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 4.69% view
S 2008-02-14 16:16:01.0 BIOGEN IDEC INC BIIB FMR LLC n/a view
S 2008-02-14 15:31:35.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 8.17% view
S 2008-02-14 09:20:30.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 4.69% view
B 2008-02-14 09:05:08.0 BIOGEN IDEC INC BIIB Clearbridge Advisors 12.1% view
B 2008-02-05 15:37:41.0 BIOGEN IDEC INC BIIB BARCLAYS GLOBAL INVESTORS NA 4.38% view
B 2008-02-05 15:35:51.0 BIOGEN IDEC INC BIIB BARCLAYS GLOBAL INVESTORS NA 4.38% view
B 2008-02-05 15:32:58.0 BIOGEN IDEC INC BIIB BARCLAYS GLOBAL INVESTORS NA 4.38% view
S 2007-02-14 16:33:57.0 BIOGEN IDEC INC BIIB FMR CORP n/a view
S 2007-02-14 15:07:18.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 9.64% view
S 2007-02-14 12:23:17.0 BIOGEN IDEC INC BIIB VANGUARD CHESTER FUNDS 5.2% view
S 2007-02-09 17:39:23.0 BIOGEN IDEC INC BIIB CAPITAL RESEARCH & MANAGEMENT CO 4.2% view
B 2007-02-06 12:46:13.0 BIOGEN IDEC INC BIIB Clearbridge Advisors 10.62% view
S 2006-12-11 17:16:33.0 BIOGEN IDEC INC BIIB FMR CORP n/a view
S 2006-10-11 14:13:41.0 BIOGEN IDEC INC BIIB PRIMECAP MANAGEMENT CO 9.87% view
S 2006-02-14 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 10.02% view
S 2006-02-14 00:00:00.0 BIOGEN IDEC INC IDPH FMR CORP n/a view
S 2006-02-13 00:00:00.0 BIOGEN IDEC INC IDPH VANGUARD CHESTER FUNDS 5.34% view
S 2006-02-10 00:00:00.0 BIOGEN IDEC INC IDPH CAPITAL RESEARCH & MANAGEMENT CO 5.5% view
B 2006-01-10 00:00:00.0 BIOGEN IDEC INC IDPH CAM North America 6.39% view
S 2006-01-05 00:00:00.0 BIOGEN IDEC INC IDPH CITIGROUP INC 1.6% view
B 2005-11-08 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 10.04% view
S 2005-03-31 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 9.61% view
S 2005-02-14 00:00:00.0 BIOGEN IDEC INC IDPH VANGUARD CHESTER FUNDS 5.51% view
S 2005-02-14 00:00:00.0 BIOGEN IDEC INC IDPH FMR CORP n/a view
B 2005-02-11 00:00:00.0 BIOGEN IDEC INC IDPH CAPITAL RESEARCH & MANAGEMENT CO 5.5% view
B 2005-02-09 00:00:00.0 BIOGEN IDEC INC IDPH CITIGROUP INC 9.0% view
S 2004-04-21 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 9.74% view
B 2004-03-12 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 10.03% view
S 2004-02-17 00:00:00.0 BIOGEN IDEC INC IDPH FMR CORP n/a view
S 2004-02-12 00:00:00.0 BIOGEN IDEC INC IDPH WELLINGTON MANAGEMENT CO LLP 1.893% view
S 2004-02-11 00:00:00.0 BIOGEN IDEC INC IDPH CITIGROUP INC 8.6% view
B 2004-02-04 00:00:00.0 BIOGEN IDEC INC IDPH VANGUARD PRIMECAP FUND 5.8% view
B 2003-12-12 00:00:00.0 BIOGEN IDEC INC IDPH PRIMECAP MANAGEMENT CO 9.88% view
B 2003-08-11 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH PRIMECAP MANAGEMENT CO 9.6% view
S 2003-05-12 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
B 2003-03-10 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH WELLINGTON MANAGEMENT CO LLP 5.86% view
S 2003-02-13 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
S 2003-02-13 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH MORGAN STANLEY 1.8824% view
B 2003-02-12 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH WELLINGTON MANAGEMENT CO LLP 5.74% view
B 2003-02-04 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH CITIGROUP INC 11.0% view
S 2002-07-10 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
S 2002-02-14 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
S 2002-02-12 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH MORGAN STANLEY DEAN WITTER & CO 5.14% view
S 2002-01-24 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH CITIGROUP INC 10.1% view
S 2001-12-10 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
B 2001-02-16 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH CITIGROUP INC 10.4% view
S 2001-02-14 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH FMR CORP n/a view
S 2001-02-14 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH GENENTECH INC 3.58% view
B 2001-02-07 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH MORGAN STANLEY DEAN WITTER & CO 7.68% view
S 2001-01-10 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH AMVESCAP PLC 0.0% view
S 2000-12-01 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH WELLINGTON MANAGEMENT CO LLP 2.42% view
S 2000-07-19 00:00:00.0 COOPER COMPANIES COO PRICE T ROWE ASSOCIATES INC 10.6% view
S 2020-02-14 12:36:13.0 COOPER COMPANIES COO GENERATION INVESTMENT MANAGEMENT LLP 3.1% view
B 2020-02-13 18:00:00.0 COOPER COMPANIES COO JANUS HENDERSON GROUP PLC 6.1% view
B 2020-02-13 14:41:08.0 COOPER COMPANIES COO VANGUARD GROUP INC 11.45% view
B 2020-02-05 11:45:38.0 COOPER COMPANIES INC COO PRICE T ROWE ASSOCIATES INC 12.2% view
B 2019-02-14 09:04:34.0 COOPER COMPANIES INC COO STATE STREET CORP 5.2% view
B 2019-02-13 16:35:20.0 COOPER COMPANIES INC COO JANUS HENDERSON GROUP PLC 5.6% view
B 2019-02-11 10:39:10.0 COOPER COMPANIES INC COO BlackRock Inc 7.6% view
S 2018-04-26 08:21:00.0 COOPER COMPANIES INC COO GENERATION INVESTMENT MANAGEMENT LLP 5.12% view
B 2018-02-09 17:06:57.0 COOPER COMPANIES INC COO MASSACHUSETTS FINANCIAL SERVICES CO 10.48% view
B 2018-01-10 16:14:01.0 COOPER COMPANIES INC COO PRICE T ROWE ASSOCIATES INC 10.1% view
S 2017-07-10 09:36:17.0 COOPER COMPANIES INC COO FMR LLC 7.022% view
B 2017-02-13 15:40:17.0 COOPER COMPANIES INC COO VANGUARD GROUP INC 9.3% view
B 2017-02-09 07:44:17.0 COOPER COMPANIES INC COO STATE STREET CORP 5.45% view
S 2017-01-23 14:18:34.0 COOPER COMPANIES INC COO BlackRock Inc 6.2% view
S 2016-02-10 08:45:51.0 COOPER COMPANIES INC COO PRICE T ROWE ASSOCIATES INC 8.1% view
B 2016-01-08 14:55:45.0 COOPER COMPANIES INC COO FMR LLC 11.04% view
S 2015-02-13 12:33:57.0 COOPER COMPANIES INC COO PRICE T ROWE ASSOCIATES INC 9.218% view
S 2015-02-11 12:16:28.0 COOPER COMPANIES INC COO VANGUARD GROUP INC 6.31% view
B 2014-02-14 06:47:38.0 COOPER COMPANIES INC COO FMR LLC 14.105% view
B 2014-02-12 09:13:07.0 COOPER COMPANIES INC COO VANGUARD GROUP INC 6.07% view
B 2013-02-14 14:08:02.0 COOPER COMPANIES INC COO LONE PINE CAPITAL LLC 0.0% view
S 2013-02-13 11:12:20.0 COOPER COMPANIES INC COO PRICE T ROWE ASSOCIATES INC 4.95% view
B 2013-02-07 18:41:27.0 COOPER COMPANIES INC COO LONE PINE CAPITAL LLC 5.1% view
S 2012-02-13 14:48:02.0 COOPER COMPANIES INC COO BlackRock Inc 5.77% view
B 2012-01-10 09:53:10.0 COOPER COMPANIES INC COO FMR LLC 13.708% view
B 2011-04-20 08:31:23.0 COOPER COMPANIES INC COO KALMAR INVESTMENTS INC 11.0% view
B 2011-02-14 14:55:37.0 COOPER COMPANIES INC COO Allianz Global Investors Capital LLC 5.85% view
S 2011-02-03 17:19:20.0 COOPER COMPANIES INC COO LORD ABBETT & CO LLC 4.95% view
B 2010-04-07 17:21:42.0 COOPER COMPANIES INC COO SHAPIRO CAPITAL MANAGEMENT CO INC 10.49% view
B 2010-02-16 12:47:45.0 COOPER COMPANIES INC COO Allianz Global Investors Management Partners LLC 5.7% view
S 2010-02-09 09:08:21.0 COOPER COMPANIES INC COO ALTRINSIC GLOBAL ADVISORS LLC 0.14% view
B 2010-02-03 16:25:06.0 COOPER COMPANIES INC COO KALMAR INVESTMENTS INC 11.0% view
B 2009-04-09 16:52:34.0 COOPER COMPANIES INC COO NFJ INVESTMENT GROUP LLC 6.5% view
B 2009-02-10 17:14:26.0 COOPER COMPANIES INC COO ALTRINSIC GLOBAL ADVISORS LLC 9.51% view
S 2008-08-11 16:15:22.0 COOPER COMPANIES INC COO FMR LLC n/a view
B 2008-02-14 12:05:33.0 COOPER COMPANIES INC COO WELLINGTON MANAGEMENT CO LLP 7.08% view
S 2008-02-08 15:13:23.0 COOPER COMPANIES INC COO MANNING & NAPIER ADVISORS INC 6.9% view
S 2008-02-07 11:46:44.0 COOPER COMPANIES INC COO M&G INVESTMENT MANAGEMENT LTD 5.15% view
B 2007-11-09 07:11:25.0 COOPER COMPANIES INC COO M&G INVESTMENT MANAGEMENT LTD 5.16% view
S 2007-03-12 17:16:57.0 COOPER COMPANIES INC COO EARNEST PARTNERS LLC 1.6% view
B 2007-02-12 16:16:14.0 COOPER COMPANIES INC COO DEUTSCHE BANK AG 10.32% view
B 2007-02-06 13:57:47.0 COOPER COMPANIES INC COO EARNEST PARTNERS LLC 12.0% view
B 2006-02-14 00:00:00.0 COOPER COMPANIES INC COO EARNEST PARTNERS LLC 11.5% view
B 2005-12-12 00:00:00.0 COOPER COMPANIES INC COO FMR CORP 10.1% view
B 2005-08-10 00:00:00.0 COOPER COMPANIES INC COO EARNEST PARTNERS LLC 10.0% view
S 2005-02-14 00:00:00.0 COOPER COMPANIES INC COO FMR CORP n/a view
S 2003-08-19 00:00:00.0 COOPER COMPANIES INC COO PALISADE CAPITAL MANAGEMENT LLC 5.12% view
S 2003-02-13 00:00:00.0 COOPER COMPANIES INC COO FMR CORP n/a view
B 2002-01-28 00:00:00.0 COOPER COMPANIES INC COO PALISADE CAPITAL MANAGEMENT LLC 6.17% view
S 2001-10-10 00:00:00.0 COOPER COMPANIES INC COO J P MORGAN CHASE & CO 4.2% view
S 2001-02-09 00:00:00.0 COOPER COMPANIES INC COO THOMSON HORSTMANN & BRYANT INC 4.89% view
B 2000-12-18 00:00:00.0 COOPER COMPANIES INC COO PUTNAM INVESTMENTS INC 12.0% view
S 2000-02-09 00:00:00.0 COOPER COMPANIES INC COO MONTGOMERY ASSET MANAGEMENT L P 1.0% view
B 2000-02-08 00:00:00.0 COOPER COMPANIES INC COO THOMSON HORSTMANN & BRYANT INC 6.47% view
B 1999-02-16 00:00:00.0 COOPER COMPANIES INC COO AWAD ASSET MANAGEMENT INC 7.1% view
S 1999-02-12 00:00:00.0 COOPER COMPANIES INC COO THOMSON HORSTMANN & BRYANT INC 6.32% view
B 1998-02-05 00:00:00.0 COOPER COMPANIES INC COO MONTGOMERY ASSET MANAGEMENT L P 12.0% view
S 1998-01-12 00:00:00.0 COOPER COMPANIES INC COO FMR CORP n/a view
S 1997-11-03 00:00:00.0 COOPER COMPANIES INC COO COOPER LIFE SCIENCES INC 6.73% view
S 1997-07-11 00:00:00.0 COOPER COMPANIES INC COO COOPER LIFE SCIENCES INC 10.44% view
B 1997-02-21 00:00:00.0 COOPER COMPANIES INC COO COOPER LIFE SCIENCES INC n/a view
S 1997-02-10 00:00:00.0 COOPER COMPANIES INC COO COOPER LIFE SCIENCES INC 16.83% view
S 1996-09-06 00:00:00.0 COOPER COMPANIES INC COO COOPER LIFE SCIENCES INC 18.8% view
S 1995-03-10 00:00:00.0 COOPER COMPANIES INC COO WANGER ASSET MANAGEMENT LP ET AL 0.0% view
B 1995-01-19 00:00:00.0 COOPER COMPANIES INC COO SINGER STEVEN G ET AL 1.8% view
B 1994-02-14 00:00:00.0 COOPER COMPANIES INC COO ACORN INVESTMENT TRUST 6.19% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.