Home Latest Filings Latest Buys Latest Sells Institutions Derivatives Hot Buys Data Screener Email Alerts Insider Charts
ALXN - As of  05/27/20, 02:52:40 AM:   203 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$125.30  Avg Vol(3m): 1,882,510  P/E: 189.50  EPS: 0.66

Email this page to a friend.    Insider Transactions for ALXN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-14 13:29:49.0 ALEXION PHARMACEUTICALS ALXN PRICE T ROWE ASSOCIATES INC 5.4% view
B 2020-02-13 10:36:43.0 ALEXION PHARMACEUTICALS ALXN STATE STREET CORP 5.13% view
B 2020-02-12 11:01:06.0 ALEXION PHARMACEUTICALS ALXN VANGUARD GROUP INC 7.57% view
S 2020-02-05 11:26:05.0 ALEXION PHARMACEUTICALS ALXN BlackRock Inc 7.2% view
S 2020-01-10 10:25:37.0 ALEXION PHARMACEUTICALS ALXN FMR LLC 6.69% view
S 2019-02-14 13:48:11.0 ALEXION PHARMACEUTICALS ALXN PRICE T ROWE ASSOCIATES INC 7.9% view
S 2019-02-12 12:10:43.0 ALEXION PHARMACEUTICALS ALXN STATE STREET CORP 4.9% view
B 2019-02-11 10:30:45.0 ALEXION PHARMACEUTICALS ALXN VANGUARD GROUP INC 7.27% view
S 2019-02-04 10:09:24.0 ALEXION PHARMACEUTICALS ALXN BlackRock Inc 7.3% view
B 2018-11-13 10:38:14.0 ALEXION PHARMACEUTICALS ALXN FMR LLC 11.122% view
B 2018-06-11 10:19:16.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 10.0% view
S 2018-02-14 13:58:26.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 9.4% view
B 2018-02-13 13:11:18.0 ALEXION PHARMACEUTICALS INC ALXN STATE STREET CORP 5.19% view
S 2018-02-13 09:33:16.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 7.926% view
B 2018-02-12 09:07:12.0 ALEXION PHARMACEUTICALS INC ALXN VANGUARD GROUP INC 6.8% view
S 2018-01-29 16:38:00.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 8.1% view
B 2017-06-09 12:27:32.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 10.0% view
B 2017-02-14 10:42:13.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 12.564% view
S 2017-02-13 16:37:49.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 3.2% view
B 2017-02-08 19:52:08.0 ALEXION PHARMACEUTICALS INC ALXN VANGUARD GROUP INC 6.25% view
S 2017-02-06 13:31:02.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 9.4% view
B 2017-01-19 17:23:56.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 8.3% view
S 2016-09-09 10:44:00.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 6.8% view
B 2016-08-10 10:57:16.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 10.011% view
B 2016-02-12 17:36:05.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 12.2% view
S 2016-02-12 08:49:30.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 6.621% view
B 2016-02-12 08:17:30.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 12.5% view
B 2016-02-10 10:34:59.0 ALEXION PHARMACEUTICALS INC ALXN VANGUARD GROUP INC 5.75% view
B 2016-02-10 10:15:52.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 6.9% view
B 2015-02-13 13:57:56.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 12.2% view
B 2015-02-13 12:24:07.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 10.1% view
B 2015-02-13 09:55:56.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 11.168% view
B 2015-02-11 13:49:11.0 ALEXION PHARMACEUTICALS INC ALXN VANGUARD GROUP INC 5.37% view
B 2015-02-06 17:52:08.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 6.8% view
B 2014-12-10 13:32:44.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 10.0% view
B 2014-02-14 06:45:03.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 10.052% view
B 2014-02-12 21:38:25.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 12.1% view
B 2014-02-07 13:46:42.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 7.5% view
S 2014-02-07 10:32:50.0 ALEXION PHARMACEUTICALS INC ALXN PRUDENTIAL FINANCIAL INC n/a view
S 2014-02-07 09:00:13.0 ALEXION PHARMACEUTICALS INC ALXN WESTFIELD CAPITAL MANAGEMENT CO LP 0.0% view
S 2014-02-06 15:58:03.0 ALEXION PHARMACEUTICALS INC ALXN JENNISON ASSOCIATES LLC 4.3% view
S 2014-01-28 10:57:38.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 6.2% view
B 2013-03-08 12:42:05.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 10.8% view
S 2013-02-14 13:36:56.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 7.696% view
B 2013-02-13 15:04:42.0 ALEXION PHARMACEUTICALS INC ALXN PRUDENTIAL FINANCIAL INC 5.4% view
B 2013-02-12 16:37:48.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 9.5% view
B 2013-02-11 15:08:20.0 ALEXION PHARMACEUTICALS INC ALXN JENNISON ASSOCIATES LLC 5.2% view
B 2013-02-08 10:54:35.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 0.0% view
B 2013-02-06 09:54:37.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 6.85% view
B 2012-02-14 12:03:18.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 11.49% view
B 2012-02-13 21:29:59.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 7.2% view
B 2012-02-13 12:28:24.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 0.0% view
S 2012-02-13 12:28:19.0 ALEXION PHARMACEUTICALS INC ALXN Invus Public Equities 4.0% view
B 2012-02-09 09:58:44.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 5.35% view
S 2011-09-09 16:55:12.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 4.95% view
S 2011-07-11 13:49:25.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 9.653% view
B 2011-02-11 13:46:36.0 ALEXION PHARMACEUTICALS INC ALXN Capital Research Global Investors 5.1% view
S 2011-02-10 15:32:32.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 6.7% view
S 2011-02-10 14:36:02.0 ALEXION PHARMACEUTICALS INC ALXN COLUMBIA WANGER ASSET MANAGEMENT LLC n/a view
B 2011-02-03 12:40:02.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 6.03% view
B 2010-02-16 12:45:45.0 ALEXION PHARMACEUTICALS INC ALXN FMR LLC 14.791% view
S 2010-02-12 13:02:30.0 ALEXION PHARMACEUTICALS INC ALXN PRICE T ROWE ASSOCIATES INC 7.1% view
S 2010-02-09 14:50:20.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 4.68% view
S 2010-02-09 12:00:15.0 ALEXION PHARMACEUTICALS INC ALXN COLUMBIA WANGER ASSET MANAGEMENT LP 5.2% view
B 2010-01-29 14:11:50.0 ALEXION PHARMACEUTICALS INC ALXN BlackRock Inc 5.03% view
S 2009-02-17 09:53:28.0 ALEXION PHARMACEUTICALS INC LAXN DAVIDSON KEMPNER PARTNERS 0.0% view
S 2009-02-11 12:49:41.0 ALEXION PHARMACEUTICALS INC LAXN PRICE T ROWE ASSOCIATES INC 8.6% view
B 2009-02-05 10:25:29.0 ALEXION PHARMACEUTICALS INC LAXN COLUMBIA WANGER ASSET MANAGEMENT LP 5.25% view
S 2009-02-04 09:37:30.0 ALEXION PHARMACEUTICALS INC LAXN WESTFIELD CAPITAL MANAGEMENT CO LP 4.84% view
S 2008-05-08 21:51:00.0 ALEXION PHARMACEUTICALS INC LAXN MILLENCO 4.9% view
B 2008-03-10 14:33:46.0 ALEXION PHARMACEUTICALS INC LAXN PRICE T ROWE ASSOCIATES INC 10.4% view
B 2008-02-25 11:36:11.0 ALEXION PHARMACEUTICALS INC LAXN DAVIDSON KEMPNER PARTNERS 5.1% view
S 2008-02-14 16:18:23.0 ALEXION PHARMACEUTICALS INC LAXN FMR LLC n/a view
S 2008-02-14 08:21:53.0 ALEXION PHARMACEUTICALS INC LAXN DAVIDSON KEMPNER PARTNERS 4.6% view
S 2008-02-13 18:46:57.0 ALEXION PHARMACEUTICALS INC LAXN BROOKSIDE CAPITAL PARTNERS FUND LP 2.71% view
B 2008-02-13 16:29:52.0 ALEXION PHARMACEUTICALS INC LAXN CITADEL INVESTMENT GROUP LLC 3.2% view
S 2008-02-13 15:21:42.0 ALEXION PHARMACEUTICALS INC LAXN SECTORAL ASSET MANAGEMENT INC 4.0% view
S 2008-02-12 21:27:06.0 ALEXION PHARMACEUTICALS INC LAXN PRICE T ROWE ASSOCIATES INC 7.3% view
S 2008-02-11 15:23:37.0 ALEXION PHARMACEUTICALS INC LAXN ADAGE CAPITAL PARTNERS GP LLC 2.4% view
B 2008-01-10 09:19:29.0 ALEXION PHARMACEUTICALS INC LAXN WESTFIELD CAPITAL MANAGEMENT CO LLC 7.65% view
B 2007-07-27 17:14:26.0 ALEXION PHARMACEUTICALS INC LAXN MILLENCO 6.9% view
B 2007-05-14 12:12:44.0 ALEXION PHARMACEUTICALS INC LAXN Invus Public Equities 5.12% view
B 2007-04-09 13:57:33.0 ALEXION PHARMACEUTICALS INC LAXN MILLENCO 5.1% view
B 2007-04-02 17:07:48.0 ALEXION PHARMACEUTICALS INC LAXN ADAGE CAPITAL PARTNERS GP LLC 5.5% view
B 2007-03-28 16:14:26.0 ALEXION PHARMACEUTICALS INC LAXN DAVIDSON KEMPNER PARTNERS 5.0% view
S 2007-03-09 15:27:27.0 ALEXION PHARMACEUTICALS INC LAXN BlackRock Inc 4.61% view
S 2007-02-14 16:24:55.0 ALEXION PHARMACEUTICALS INC LAXN FMR CORP n/a view
S 2007-02-14 11:23:20.0 ALEXION PHARMACEUTICALS INC LAXN D 3.3% view
B 2007-02-13 15:02:55.0 ALEXION PHARMACEUTICALS INC LAXN BlackRock Inc 5.19% view
B 2007-02-13 14:26:41.0 ALEXION PHARMACEUTICALS INC LAXN CITADEL L P 5.2% view
B 2007-02-13 08:29:12.0 ALEXION PHARMACEUTICALS INC LAXN PRICE T ROWE ASSOCIATES INC 8.3% view
S 2007-02-09 17:18:46.0 ALEXION PHARMACEUTICALS INC LAXN SECTORAL ASSET MANAGEMENT INC 7.7% view
S 2007-02-08 09:57:38.0 ALEXION PHARMACEUTICALS INC LAXN BALYASNY ASSET MANAGEMENT LLC 4.38% view
S 2007-01-31 19:16:21.0 ALEXION PHARMACEUTICALS INC LAXN JANUS CAPITAL MANAGEMENT LLC 4.0% view
S 2006-10-11 18:51:49.0 ALEXION PHARMACEUTICALS INC LAXN CITADEL L P 5.0% view
B 2006-03-06 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn D 5.7% view
B 2006-03-06 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BROOKSIDE CAPITAL PARTNERS FUND LP 6.2% view
B 2006-02-17 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BALYASNY ASSET MANAGEMENT LLC 5.22% view
B 2006-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn JANUS CAPITAL MANAGEMENT LLC 9.8% view
S 2006-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BAKER FELIX 4.2% view
S 2006-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SAC CAPITAL ADVISORS LLC 0.1% view
S 2006-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
B 2006-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SECTORAL ASSET MANAGEMENT INC 8.5% view
S 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CITADEL L P 5.8% view
S 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 5.9% view
S 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ZIFF ASSET MANAGEMENT LP 3.9% view
B 2006-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn WESTFIELD CAPITAL MANAGEMENT CO LLC 6.05% view
S 2006-02-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn RS INVESTMENT MANAGEMENT CO LLC 0.0% view
S 2006-02-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn DUQUESNE CAPITAL MANAGEMENT L L C 0.7% view
S 2006-02-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OPPENHEIMER FUNDS INC 0.0% view
S 2005-12-09 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FEDERATED INVESTORS INC 0.01% view
B 2005-11-30 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CITADEL L P 6.3% view
S 2005-11-29 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PICTET & CIE EUROPE SA 5.3% view
B 2005-10-21 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn DUQUESNE CAPITAL MANAGEMENT L L C 5.3% view
B 2005-07-19 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BAKER FELIX 5.5% view
S 2005-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn VIKING GLOBAL PERFORMANCE LLC 0.0% view
S 2005-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 7.9% view
B 2005-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OPPENHEIMER FUNDS INC 9.12% view
S 2005-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SECTORAL ASSET MANAGEMENT INC 6.9% view
S 2005-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn RS INVESTMENT MANAGEMENT CO LLC 6.1% view
S 2005-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SAC CAPITAL ADVISORS LLC 5.4% view
B 2005-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FEDERATED INVESTORS INC 5.27% view
S 2005-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
B 2005-02-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 7.9% view
B 2005-02-04 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ZIFF ASSET MANAGEMENT LP 6.03% view
B 2005-01-07 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SAC CAPITAL ADVISORS LLC 5.4% view
S 2004-02-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ISALY SAMUEL D 0.0% view
S 2004-02-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED CAPITAL LLC 0.0% view
S 2004-02-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISORS LLC 0.0% view
B 2004-02-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn RS INVESTMENT MANAGEMENT CO LLC 8.1% view
S 2004-02-17 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
S 2004-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn VIKING GLOBAL PERFORMANCE LLC 9.0% view
B 2004-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SECTORAL ASSET MANAGEMENT INC 8.7% view
S 2004-02-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OPPENHEIMER FUNDS INC 5.0% view
S 2004-02-03 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 5.8% view
B 2003-09-22 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn VIKING GLOBAL PERFORMANC LLC 9.3% view
B 2003-08-07 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PICTET & CIE EUROPE SA 5.44% view
B 2003-05-02 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED CAPITAL LLC 5.9% view
B 2003-05-02 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISORS LLC 5.9% view
S 2003-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISORS LLC 4.38% view
S 2003-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
B 2003-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OPPENHEIMER FUNDS INC 13.73% view
B 2003-02-03 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 6.1% view
B 2002-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 5.52% view
B 2002-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ISALY SAMUEL D 5.52% view
B 2002-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISORS LLC 5.52% view
S 2002-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FRANKLIN RESOURCES INC 2.8% view
S 2002-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
S 2002-02-11 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CAPITAL RESEARCH & MANAGEMENT CO 0.0% view
S 2002-02-01 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SCUDDER KEMPER INVESTMENTS INC n/a view
S 2001-08-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 5.25% view
B 2001-08-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISORS LLC 5.25% view
B 2001-06-06 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OPPENHEIMER MANAGEMENT CORP 5.0% view
B 2001-06-05 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 6.7% view
S 2001-06-05 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 4.2% view
B 2001-05-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FMR CORP n/a view
S 2001-05-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn JANUS CAPITAL CORP 0.6% view
S 2001-04-09 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn JANUS CAPITAL CORP 6.7% view
B 2001-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PUTNAM INVESTMENTS INC 12.0% view
B 2001-02-15 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn JANUS CAPITAL CORP 13.7% view
S 2001-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SCUDDER KEMPER INVESTMENTS INC n/a view
S 2001-02-14 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 4.9% view
B 2001-02-12 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CAPITAL RESEARCH & MANAGEMENT CO 5.1% view
B 2001-02-12 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CAPITAL RESEARCH & MANAGEMENT CO 5.1% view
S 2001-02-07 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 2.6% view
B 2001-01-31 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn FRANKLIN RESOURCES INC 5.4% view
S 2001-01-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn AMVESCAP PLC 0.0% view
S 2000-12-05 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn KAUFMANN FUND INC 1.32% view
S 2000-06-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn KAUFMANN FUND INC 5.19% view
S 2000-06-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn KAUFMANN FUND INC 5.19% view
B 2000-04-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn JANUS CAPITAL CORP 11.3% view
S 2000-03-24 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 4.2% view
S 2000-02-07 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ZESIGER CAPITAL GROUP LLC 4.4% view
B 2000-02-04 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn AMVESCAP PLC 5.6% view
S 2000-02-03 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 5.4% view
S 2000-01-28 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SCUDDER KEMPER INVESTMENTS INC n/a view
S 2000-01-28 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ZESIGER CAPITAL GROUP LLC 6.0% view
B 1999-12-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn SCUDDER KEMPER INVESTMENTS INC n/a view
B 1999-08-20 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn KAUFMANN FUND INC 7.41% view
S 1999-03-25 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ORBIMED ADVISERS INC 6.7% view
B 1999-03-08 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CITIGROUP INC 3.7% view
S 1999-02-26 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CITIBANK NA 3.7% view
B 1999-02-16 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn CITIBANK NA 3.7% view
S 1999-02-16 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OAK MANAGEMENT CORP 4.7% view
B 1999-02-10 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn COLLINSON HOWE VENTURE PARTNERS INC 3.7% view
B 1999-02-05 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PRICE T ROWE ASSOCIATES INC 7.4% view
B 1999-01-22 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn TYCO INTERNATIONAL LTD 0.0% view
B 1999-01-22 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn TYCO INTERNATIONAL LTD 7.3% view
B 1999-01-21 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn ZESIGER CAPITAL GROUP LLC 7.3% view
B 1998-05-27 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 16.3% view
B 1998-03-27 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 16.25% view
S 1998-02-19 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BIOTECHNOLOGY INVESTMENT GROUP L L C ET AL 7.1% view
S 1998-02-12 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OAK MANAGEMENT CORP 5.5% view
S 1997-12-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 11.4% view
B 1997-12-12 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn UNITED STATES SURGICAL CORP 9.03% view
S 1997-11-21 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PIONEERING MANAGEMENT CORP n/a view
S 1997-09-19 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 100.0% view
B 1997-09-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BB BIOTECH AG 100.0% view
B 1997-07-25 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn MEHTA & ISALY ASSET MANAGEMENT INC 8.8% view
B 1997-02-28 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn BIOTECHNOLOGY INVESTMENT GROUP L L C ET AL 12.2% view
B 1997-02-18 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn MEHTA & ISALY ASSET MANAGEMENT INC 6.1% view
B 1997-02-13 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn OAK MANAGEMENT CORP 7.0% view
B 1997-01-09 00:00:00.0 ALEXION PHARMACEUTICALS INC alxn PIONEERING MANAGEMENT CORP n/a 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.