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ALNY - As of  06/17/25, 10:42:28 AM:   95 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$63.46  Avg Vol(3m): 918,186  P/E: 0.00  EPS: -4.04

Email this page to a friend.    Insider Transactions for ALNY

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-02-12 07:57:23.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD GROUP INC 9.22% view
S 2020-02-12 07:23:17.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD SPECIALIZED FUNDS 0.0% view
S 2020-02-07 11:12:18.0 ALNYLAM PHARMACEUTICALS ALKS FMR LLC 14.997% view
B 2020-02-05 11:26:05.0 ALNYLAM PHARMACEUTICALS ALKS BlackRock Inc 7.2% view
B 2020-02-03 09:15:54.0 ALNYLAM PHARMACEUTICALS ALKS BAILLIE GIFFORD & CO 7.34% view
S 2020-01-28 12:05:44.0 ALNYLAM PHARMACEUTICALS ALKS WELLINGTON MANAGEMENT GROUP LLP 12.81% view
S 2019-05-03 16:02:03.0 ALNYLAM PHARMACEUTICALS ALKS Sanofi n/a view
S 2019-02-14 13:49:34.0 ALNYLAM PHARMACEUTICALS ALKS PRICE T ROWE ASSOCIATES INC 3.6% view
S 2019-02-14 13:04:03.0 ALNYLAM PHARMACEUTICALS ALKS DODGE & COX 4.6% view
B 2019-02-12 09:36:25.0 ALNYLAM PHARMACEUTICALS ALKS WELLINGTON MANAGEMENT GROUP LLP 13.92% view
B 2019-02-11 12:46:09.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD GROUP INC 8.13% view
B 2019-02-04 10:08:36.0 ALNYLAM PHARMACEUTICALS ALKS BlackRock Inc 6.1% view
B 2019-01-31 15:09:39.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD SPECIALIZED FUNDS 9.0% view
S 2018-06-11 10:18:58.0 ALNYLAM PHARMACEUTICALS ALKS PRICE T ROWE ASSOCIATES INC 7.1% view
B 2018-05-10 10:47:07.0 ALNYLAM PHARMACEUTICALS ALKS WELLINGTON MANAGEMENT GROUP LLP 10.69% view
B 2018-02-14 14:04:15.0 ALNYLAM PHARMACEUTICALS ALKS PRICE T ROWE ASSOCIATES INC 12.3% view
S 2018-02-13 16:55:37.0 ALNYLAM PHARMACEUTICALS ALKS Sanofi 11.4% view
B 2018-02-13 09:32:40.0 ALNYLAM PHARMACEUTICALS ALKS FMR LLC 14.999% view
B 2018-02-12 09:15:17.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD GROUP INC 7.32% view
S 2018-02-09 16:13:02.0 ALNYLAM PHARMACEUTICALS ALKS DODGE & COX 8.3% view
S 2018-02-08 11:22:24.0 ALNYLAM PHARMACEUTICALS ALKS WELLINGTON MANAGEMENT GROUP LLP 9.26% view
S 2018-02-02 07:44:31.0 ALNYLAM PHARMACEUTICALS ALKS VANGUARD SPECIALIZED FUNDS 6.72% view
B 2017-12-11 14:35:30.0 ALNYLAM PHARMACEUTICALS ALNY PRICE T ROWE ASSOCIATES INC 11.7% view
B 2017-02-14 17:05:49.0 ALNYLAM PHARMACEUTICALS ALNY DODGE & COX 10.7% view
B 2017-02-14 10:45:35.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 14.999% view
B 2017-02-13 08:40:33.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD SPECIALIZED FUNDS 9.96% view
B 2017-02-08 20:15:10.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD GROUP INC 6.36% view
B 2017-01-30 11:29:25.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 5.1% view
B 2016-12-09 16:11:55.0 ALNYLAM PHARMACEUTICALS ALNY DODGE & COX 10.6% view
S 2016-12-09 12:39:00.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 4.9% view
S 2016-03-01 08:55:17.0 ALNYLAM PHARMACEUTICALS ALNY Eastern Capital LTD 4.5% view
B 2016-02-12 08:54:21.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 14.999% view
B 2016-02-11 10:57:34.0 ALNYLAM PHARMACEUTICALS ALNY WELLINGTON MANAGEMENT GROUP LLP 12.58% view
B 2016-02-10 11:05:48.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD GROUP INC 5.95% view
B 2016-02-09 08:56:41.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD SPECIALIZED FUNDS 8.94% view
B 2016-01-28 15:46:18.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 5.1% view
S 2015-02-13 09:55:58.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 14.999% view
S 2015-02-12 12:47:41.0 ALNYLAM PHARMACEUTICALS ALNY PRICE T ROWE ASSOCIATES INC 1.6% view
S 2015-02-12 10:38:11.0 ALNYLAM PHARMACEUTICALS ALNY WELLINGTON MANAGEMENT GROUP LLP 11.63% view
B 2015-02-06 08:54:25.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD SPECIALIZED FUNDS 6.53% view
B 2015-02-02 14:05:58.0 ALNYLAM PHARMACEUTICALS ALNY Sanofi 12.0% view
S 2014-07-10 15:58:55.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 4.1% view
B 2014-03-05 11:00:28.0 ALNYLAM PHARMACEUTICALS ALNY Sanofi 12.0% view
B 2014-02-14 09:19:41.0 ALNYLAM PHARMACEUTICALS ALNY WELLINGTON MANAGEMENT CO LLP 12.85% view
B 2014-02-14 06:45:00.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 15.0% view
B 2014-02-12 14:56:55.0 ALNYLAM PHARMACEUTICALS ALNY PRICE T ROWE ASSOCIATES INC 6.0% view
S 2014-02-12 13:50:52.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 2.7% view
B 2014-02-04 12:20:45.0 ALNYLAM PHARMACEUTICALS ALNY VANGUARD SPECIALIZED FUNDS 6.47% view
S 2014-01-28 10:57:40.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 6.2% view
B 2013-12-10 11:27:45.0 ALNYLAM PHARMACEUTICALS ALNY WELLINGTON MANAGEMENT CO LLP 12.11% view
B 2013-02-14 13:37:09.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 15.0% view
S 2013-02-13 12:09:52.0 ALNYLAM PHARMACEUTICALS ALNY Eastern Capital LTD 8.0% view
S 2013-02-11 14:06:54.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 7.7% view
B 2013-02-06 09:54:39.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 6.29% view
S 2012-02-14 12:03:18.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 11.227% view
B 2012-02-14 10:16:41.0 ALNYLAM PHARMACEUTICALS ALNY Eastern Capital LTD 9.8% view
S 2012-02-13 14:47:17.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 5.3% view
S 2011-02-14 16:29:19.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 13.746% view
S 2011-02-14 16:20:12.0 ALNYLAM PHARMACEUTICALS ALNY Aletheia Research & Management 5.0% view
B 2011-02-14 15:06:17.0 ALNYLAM PHARMACEUTICALS ALNY Eastern Capital LTD 9.0% view
B 2011-02-07 15:02:45.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 13.3% view
S 2011-02-03 12:40:08.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 5.46% view
B 2010-06-04 17:28:21.0 ALNYLAM PHARMACEUTICALS ALNY Eastern Capital LTD 5.96% view
B 2010-02-16 17:15:03.0 ALNYLAM PHARMACEUTICALS ALNY Aletheia Research & Management 6.85% view
B 2010-02-16 13:53:11.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 13.3% view
B 2010-02-16 12:45:47.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC 15.0% view
B 2010-01-29 14:12:06.0 ALNYLAM PHARMACEUTICALS ALNY BlackRock Inc 5.65% view
S 2009-02-09 14:17:06.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 13.2% view
S 2008-02-14 16:18:41.0 ALNYLAM PHARMACEUTICALS ALNY FMR LLC n/a view
S 2008-02-13 15:05:26.0 ALNYLAM PHARMACEUTICALS ALNY Abingworth Management LTD n/a view
B 2007-06-08 16:00:58.0 ALNYLAM PHARMACEUTICALS ALNY Aletheia Research & Management 6.51% view
S 2007-02-14 16:25:33.0 ALNYLAM PHARMACEUTICALS ALNY FMR CORP n/a view
S 2007-02-14 14:15:40.0 ALNYLAM PHARMACEUTICALS ALNY CHP II LP 0.0% view
S 2007-02-13 11:33:15.0 ALNYLAM PHARMACEUTICALS ALNY Abingworth Management LTD 6.3% view
S 2007-02-12 16:09:17.0 ALNYLAM PHARMACEUTICALS ALNY ATLAS VENTURE FUND V LP n/a view
S 2006-02-23 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY POLARIS VENTURE PARTNERS III LP 1.43% view
S 2006-02-15 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY CHP II LP 6.6% view
S 2006-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY FMR CORP n/a view
S 2006-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY ARCH VENTURE FUND V LP 5.76% view
S 2006-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY POLARIS VENTURE PARTNERS III LP 7.58% view
S 2006-02-13 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY Abingworth Management LTD 10.3% view
S 2006-02-08 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY ATLAS VENTURE FUND V LP 5.02% view
B 2005-10-24 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY NOVARTIS AG 19.9% view
S 2005-10-11 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY FMR CORP n/a view
B 2005-04-15 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY MERCK & CO INC 5.9% view
S 2005-04-11 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY FMR CORP n/a view
S 2005-02-23 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY Abingworth Management LTD 11.7% view
B 2005-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY FMR CORP n/a view
S 2005-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY ARCH VENTURE FUND V LP 9.41% view
B 2005-02-14 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY POLARIS VENTURE PARTNERS III LP 11.6% view
B 2005-02-09 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY ATLAS VENTURE FUND V LP 9.99% view
B 2004-07-21 00:00:00.0 ALNYLAM PHARMACEUTICALS ALNY CHP II LP 10.4% view
B 2004-06-14 00:00:00.0 ALNYLAM PHARMACEUTICALS INC ALNY Abingworth Management LTD 12.2% view
B 2004-06-10 00:00:00.0 ALNYLAM PHARMACEUTICALS INC ALNY ARCH VENTURE FUND V LP 10.4% view
B 2004-06-07 00:00:00.0 ALNYLAM PHARMACEUTICALS INC ALNY POLARIS VENTURE MANAGEMENT CO III LLC 14.6% 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.