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DGX - As of  04/30/25, 11:58:42 AM:   81 Insider Transactions.

Sector: Healthcare    Industry: Medical Laboratories & Research
Prev Close:$82.82  Avg Vol(3m): 1,167,250  P/E: 16.00  EPS: 5.16

Email this page to a friend.    Insider Transactions for DGX

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-13 11:50:08.0 QUEST DIAGNOSTICS INC DGX MACQUARIE GROUP LTD 0.2% view
B 2020-02-11 19:11:22.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 11.42% view
S 2020-02-06 09:09:56.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 9.7% view
B 2019-04-10 13:59:17.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 10.1% view
B 2019-02-14 14:39:33.0 QUEST DIAGNOSTICS INC DGX MACQUARIE GROUP LTD 5.68% view
B 2019-02-12 12:28:59.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 10.93% view
S 2019-02-06 15:04:08.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 9.6% view
S 2018-02-13 17:31:01.0 QUEST DIAGNOSTICS INC DGX MACQUARIE GROUP LTD 5.02% view
B 2018-02-12 09:49:56.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 10.32% view
S 2018-02-08 09:46:58.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 10.6% view
B 2017-03-10 13:34:39.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 10.1% view
B 2017-02-10 21:26:40.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 9.77% view
B 2017-01-17 12:47:45.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 11.7% view
B 2016-02-16 15:06:34.0 QUEST DIAGNOSTICS INC DGX MACQUARIE GROUP LTD 6.52% view
B 2016-02-10 12:01:06.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 8.58% view
S 2016-02-09 14:12:44.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 2.1% view
B 2016-01-08 17:08:43.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 10.4% view
B 2015-02-13 16:18:05.0 QUEST DIAGNOSTICS INC DGX MACQUARIE GROUP LTD 5.82% view
S 2015-02-13 10:30:38.0 QUEST DIAGNOSTICS INC DGX FMR LLC 0.897% view
S 2015-02-12 15:52:58.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 5.2% view
B 2015-02-10 11:59:52.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 7.71% view
B 2014-06-09 16:05:37.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 10.0% view
B 2014-02-14 06:56:28.0 QUEST DIAGNOSTICS INC DGX FMR LLC 5.324% view
S 2014-02-13 17:06:51.0 QUEST DIAGNOSTICS INC DGX Capital World Investors 4.6% view
B 2014-02-12 13:07:27.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 6.66% view
B 2014-02-12 10:12:58.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 6.4% view
B 2014-02-11 09:29:53.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 6.4% view
S 2014-01-23 19:52:20.0 QUEST DIAGNOSTICS INC DGX ABERDEEN ASSET MANAGEMENT PLC 5.25% view
B 2013-02-13 11:44:13.0 QUEST DIAGNOSTICS INC DGX Capital World Investors 5.6% view
B 2013-02-13 10:28:28.0 QUEST DIAGNOSTICS INC DGX VANGUARD GROUP INC 5.82% view
B 2013-02-06 14:02:52.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 0.0% view
B 2013-02-05 10:07:19.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 6.51% view
B 2013-01-25 17:26:32.0 QUEST DIAGNOSTICS INC DGX ABERDEEN ASSET MANAGEMENT PLC 6.39% view
B 2012-02-10 15:14:20.0 QUEST DIAGNOSTICS INC DGX PRICE T ROWE ASSOCIATES INC 0.0% view
B 2012-02-10 13:19:47.0 QUEST DIAGNOSTICS INC DGX Capital World Investors 5.6% view
B 2012-02-09 17:00:15.0 QUEST DIAGNOSTICS INC DGX BARROW HANLEY MEWHINNEY & STRAUSS LLC 12.0% view
B 2012-02-09 13:15:10.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 5.22% view
S 2012-01-26 12:13:47.0 QUEST DIAGNOSTICS INC DGX VANGUARD WINDSOR FUNDS 1.04% view
B 2012-01-11 09:57:40.0 QUEST DIAGNOSTICS INC DGX ABERDEEN ASSET MANAGEMENT PLC 5.91% view
B 2011-02-11 12:43:19.0 QUEST DIAGNOSTICS INC DGX BARROW HANLEY MEWHINNEY & STRAUSS LLC 6.45% view
B 2011-02-10 07:31:55.0 QUEST DIAGNOSTICS INC DGX VANGUARD WINDSOR FUNDS 5.44% view
S 2011-02-01 17:17:41.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 0.0% view
B 2010-06-10 12:03:22.0 QUEST DIAGNOSTICS INC DGX BlackRock Inc 4.87% view
S 2010-02-09 16:33:44.0 QUEST DIAGNOSTICS INC DGX BARROW HANLEY MEWHINNEY & STRAUSS LLC n/a view
B 2010-02-08 16:19:09.0 QUEST DIAGNOSTICS INC DGX BARROW HANLEY MEWHINNEY & STRAUSS LLC n/a view
B 2010-02-04 12:33:24.0 QUEST DIAGNOSTICS INC DGX VANGUARD WINDSOR FUNDS 5.18% view
S 2009-03-20 15:37:50.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 16.5% view
S 2008-09-18 17:27:01.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 18.7% view
B 2007-02-16 17:29:23.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 18.7% view
S 2006-06-14 00:00:00.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 18.4% view
S 2004-12-15 00:00:00.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 18.5% view
S 2004-06-29 00:00:00.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 20.5% view
S 2004-02-13 00:00:00.0 QUEST DIAGNOSTICS INC DGX BANK OF AMERICA CORP 5.0% view
B 2003-02-14 00:00:00.0 QUEST DIAGNOSTICS INC DGX BANK OF AMERICA CORP 10.6% view
B 2002-12-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX BANK OF AMERICA CORP 10.1% view
S 2002-05-22 00:00:00.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 22.8% view
B 2001-05-14 00:00:00.0 QUEST DIAGNOSTICS INC DGX GLAXOSMITHKLINE PLC 23.7% view
S 2001-02-13 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 4.36% view
S 2001-02-09 00:00:00.0 QUEST DIAGNOSTICS INC DGX VANGUARD SPECIALIZED PORTFOLIOS INC 3.02% view
S 2001-01-18 00:00:00.0 QUEST DIAGNOSTICS INC DGX MELLON FINANCIAL CORP 1.89% view
S 2000-09-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX FMR CORP n/a view
B 2000-06-09 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 10.37% view
S 2000-02-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 8.8% view
S 2000-02-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX FMR CORP n/a view
S 2000-02-04 00:00:00.0 QUEST DIAGNOSTICS INC DGX VANGUARD SPECIALIZED PORTFOLIOS INC 5.35% view
S 2000-01-27 00:00:00.0 QUEST DIAGNOSTICS INC DGX MELLON FINANCIAL CORP 6.61% view
B 1999-08-25 00:00:00.0 QUEST DIAGNOSTICS INC DGX SMITHKLINE BEECHAM PLC 29.2% view
B 1999-08-06 00:00:00.0 QUEST DIAGNOSTICS INC DGX MELLON BANK CORP 10.0% view
S 1999-07-16 00:00:00.0 QUEST DIAGNOSTICS INC DGX PZENA INVESTMENT MANAGEMENT LLC 4.45% view
B 1999-03-09 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 10.37% view
S 1999-02-16 00:00:00.0 QUEST DIAGNOSTICS INC DGX GOLDMAN SACHS GROUP LP 4.8% view
B 1999-02-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX VANGUARD SPECIALIZED PORTFOLIOS INC 5.48% view
B 1999-02-10 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 9.97% view
B 1999-02-05 00:00:00.0 QUEST DIAGNOSTICS INC DGX MELLON BANK CORP 9.49% view
B 1999-01-19 00:00:00.0 QUEST DIAGNOSTICS INC DGX PZENA INVESTMENT MANAGEMENT LLC 6.86% view
S 1999-01-07 00:00:00.0 QUEST DIAGNOSTICS INC DGX FMR CORP n/a view
B 1998-02-13 00:00:00.0 QUEST DIAGNOSTICS INC DGX GOLDMAN SACHS GROUP LP 7.9% view
S 1998-02-11 00:00:00.0 QUEST DIAGNOSTICS INC DGX FMR CORP n/a view
B 1998-02-10 00:00:00.0 QUEST DIAGNOSTICS INC DGX WELLINGTON MANAGEMENT CO LLP 9.28% view
B 1998-01-23 00:00:00.0 QUEST DIAGNOSTICS INC DGX MELLON BANK CORP 6.35% view
B 1997-05-08 00:00:00.0 QUEST DIAGNOSTICS INC DGX FMR 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.