News + Filings Holdings
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VANGUARD GROUP INC
> PMD
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | PSYCHEMEDICS CORP | PMD | 247,438 | 98 | 1,128,317,000 | 1,126,722,000 | $4,560.00 |
| 09/30/2022 | PSYCHEMEDICS CORP | PMD | 247,340 | 0 | 1,595,000 | 27,000 | $6.45 |
| 06/30/2022 | PSYCHEMEDICS CORP | PMD | 247,340 | 0 | 1,568,000 | -139,000 | $6.34 |
| 03/31/2022 | PSYCHEMEDICS CORP | PMD | 247,340 | 0 | 1,707,000 | -29,000 | $6.90 |
| 12/31/2021 | PSYCHEMEDICS CORP | PMD | 247,340 | -282 | 1,736,000 | -344,000 | $7.02 |
| 09/30/2021 | PSYCHEMEDICS CORP | PMD | 247,622 | -1,078 | 2,080,000 | 349,000 | $8.40 |
| 06/30/2021 | PSYCHEMEDICS CORP | PMD | 248,700 | -4,821 | 1,731,000 | 441,000 | $6.96 |
| 12/31/2020 | PSYCHEMEDICS CORP | PMD | 253,521 | 0 | 1,290,000 | 172,000 | $5.09 |
| 09/30/2020 | PSYCHEMEDICS CORP | PMD | 253,521 | 0 | 1,118,000 | -290,000 | $4.41 |
| 06/30/2020 | PSYCHEMEDICS CORP | PMD | 253,521 | 0 | 1,408,000 | -126,000 | $5.55 |
| 03/31/2020 | PSYCHEMEDICS CORP | PMD | 253,521 | 0 | 1,534,000 | -786,000 | $6.05 |
| 12/31/2019 | PSYCHEMEDICS CORP | PMD | 253,521 | 0 | 2,320,000 | 10,000 | $9.15 |
| 09/30/2019 | PSYCHEMEDICS CORP | PMD | 253,521 | 16,688 | 2,310,000 | -80,000 | $9.11 |
| 06/30/2019 | PSYCHEMEDICS CORP | PMD | 236,833 | 13,802 | 2,390,000 | -739,000 | $10.09 |
| 03/31/2019 | PSYCHEMEDICS CORP | PMD | 223,031 | 1,500 | 3,129,000 | -387,000 | $14.03 |
| 12/31/2018 | PSYCHEMEDICS CORP | PMD | 221,531 | 0 | 3,516,000 | -651,000 | $15.87 |
| 09/30/2018 | PSYCHEMEDICS CORP | PMD | 221,531 | 0 | 4,167,000 | -96,000 | $18.81 |
| 06/30/2018 | PSYCHEMEDICS CORP | PMD | 221,531 | 0 | 4,263,000 | -318,000 | $19.24 |
| 03/31/2018 | PSYCHEMEDICS CORP | PMD | 221,531 | 0 | 4,581,000 | 26,000 | $20.68 |
| 12/31/2017 | PSYCHEMEDICS CORP | PMD | 221,531 | 2,362 | 4,555,000 | 516,000 | $20.56 |
| 09/30/2017 | PSYCHEMEDICS CORP | PMD | 219,169 | 0 | 4,039,000 | 4,033,532 | $18.43 |
| 06/30/2017 | PSYCHEMEDICS CORP | PMD | 219,169 | 7,352 | 5,468 | -4,241,532 | $0.02 |
| 03/31/2017 | PSYCHEMEDICS CORP | PMD | 211,817 | 900 | 4,247,000 | -959,000 | $20.05 |
| 12/31/2016 | PSYCHEMEDICS CORP | PMD | 210,917 | -5,698 | 5,206,000 | 908,000 | $24.68 |
| 09/30/2016 | PSYCHEMEDICS CORP | PMD | 216,615 | 216,615 | 4,298,000 | 4,298,000 | $19.84 |
| 06/30/2016 | PSYCHEMEDICS CORP | PMD | 220,735 | -26,660 | 3,033,000 | -369,000 | $13.74 |
| 03/31/2016 | PSYCHEMEDICS CORP | PMD | 247,395 | 247,395 | 3,402,000 | 3,402,000 | $13.75 |
| 12/31/2015 | PSYCHEMEDICS CORP | PMD | 246,095 | 246,095 | 2,495,000 | 2,495,000 | $10.14 |
| 09/30/2015 | PSYCHEMEDICS CORP | PMD | 0 | -242,507 | 0 | -3,596,000 | |
| 06/30/2015 | PSYCHEMEDICS CORP | PMD | 242,507 | 2,570 | 3,596,000 | -387,000 | $14.83 |
| 03/31/2015 | PSYCHEMEDICS CORP | PMD | 239,937 | 1,000 | 3,983,000 | 382,000 | $16.60 |
| 12/31/2014 | PSYCHEMEDICS CORP | PMD | 238,937 | 100 | 3,601,000 | 202,000 | $15.07 |
| 09/30/2014 | PSYCHEMEDICS CORP | PMD | 238,837 | 238,837 | 3,399,000 | 3,399,000 | $14.23 |
| 06/30/2014 | PSYCHEMEDICS CORP | PMD | 238,837 | 238,837 | 3,382,000 | 3,382,000 | $14.16 |
| 03/31/2014 | PSYCHEMEDICS CORP | PMD | 238,837 | 238,837 | 4,091,000 | 4,091,000 | $17.13 |
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