Quest Diagnostics has retired 47.5% of its shares since 2002, from 210,362,416 to 110,373,360.
| Fiscal year | Date | Shares outstanding | Filing | |
|---|---|---|---|---|
| 1999 | 2000-03-10 | 174,875,804 | 10-K405 | cover page |
| 2000 | 2001-02-28 | 186,677,460 | 10-K | cover page |
| 2001 | 2002-02-22 | 192,586,182 | 10-K405 | cover page |
| 2002 | 2003-02-28 | 210,362,416 | 10-K | cover page |
| 2003 | 2004-02-23 | 207,209,270 | 10-K | cover page |
| 2004 | 2005-02-28 | 202,845,904 | 10-K | cover page |
| 2005 | 2006-02-24 | 198,393,619 | 10-K | cover page |
| 2006 | 2007-02-21 | 193,621,717 | 10-K | cover page |
| 2007 | 2008-02-01 | 194,149,127 | 10-K | cover page |
| 2008 | 2009-01-30 | 190,574,834 | 10-K | cover page |
| 2009 | 2009-12-31 | 178,917,322 | 10-K | |
| 2010 | 2011-01-31 | 171,164,282 | 10-K | |
| 2011 | 2012-01-31 | 158,336,949 | 10-K | |
| 2012 | 2013-01-31 | 158,217,052 | 10-K | |
| 2013 | 2014-01-31 | 144,307,147 | 10-K | |
| 2014 | 2015-01-31 | 144,311,302 | 10-K | |
| 2015 | 2016-01-31 | 142,758,584 | 10-K | |
| 2016 | 2017-01-31 | 137,495,276 | 10-K | |
| 2017 | 2018-01-31 | 135,637,852 | 10-K | |
| 2018 | 2019-01-31 | 134,261,768 | 10-K | |
| 2019 | 2020-01-31 | 133,455,068 | 10-K | |
| 2020 | 2021-01-31 | 133,454,761 | 10-K | |
| 2021 | 2022-01-31 | 119,454,781 | 10-K | |
| 2022 | 2023-01-31 | 111,323,003 | 10-K | |
| 2023 | 2024-02-01 | 110,707,293 | 10-K | |
| 2024 | 2025-01-31 | 110,978,069 | 10-K | |
| 2025 | 2026-02-02 | 109,866,320 | 10-K |
Source: all 10-K filings of Quest Diagnostics on EDGAR. Download this series as CSV. Licence CC BY 4.0, credit Buyback Radar.
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Yes. Quest Diagnostics has 0.8% fewer shares outstanding than twelve months ago, 110,373,360 as of July 15, 2026. Over five years the share count is down 10.0%.
Net of every new share it issued, Quest Diagnostics has 100.0 million fewer shares than at its 2002 peak. That is 47.5% of the company.
110,373,360 shares, as of July 15, 2026, from the cover page of its latest 10-Q. At the 2002 peak it had 210,362,416.
Each share is a bigger slice of the company. Someone who held Quest Diagnostics stock in 2002 owns 1.9 times as much of the business today without buying another share. Whether that was a good use of cash depends on the price paid.
Quest Diagnostics ranks No. 72 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: McDonald's (47.6%), Tapestry (47.5%), Texas Instruments (47.4%), Pathward Financial (47.3%).
Every answer is computed from Quest Diagnostics' own SEC filings and rebuilt every Monday. Latest count: 10-Q on EDGAR.
From the latest 13F filings. All superinvestors.
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