PSYCHEMEDICS CORP

CUSIP: 744375205 Class: COM NEW

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

Note: Option positions (PUT/CALL) are excluded.

Q3 2024
Shares 251,283 Value ($000) $580 Avg Close — Range —
Q2 2024
Shares 251,283 Value ($000) $608 Avg Close — Range —
Q1 2024
Shares 251,283 Value ($000) $736 Avg Close — Range —
Q4 2023
Shares 251,283 Value ($000) $744 Avg Close — Range —
Q3 2023
Shares 251,151 Value ($000) $997 Avg Close — Range —
Q2 2023
Shares 247,438 Value ($000) $1,128 Avg Close — Range —
Q1 2023
Shares 247,438 Value ($000) $1,299 Avg Close — Range —
Q4 2022
Shares 247,438 Value ($000) $1,214 Avg Close — Range —
Q3 2022
Shares 247,340 Value ($000) $1,595 Avg Close — Range —
Q2 2022
Shares 247,340 Value ($000) $1,568 Avg Close — Range —
Q1 2022
Shares 247,340 Value ($000) $1,707 Avg Close — Range —
Q4 2021
Shares 247,340 Value ($000) $1,736 Avg Close — Range —
Q3 2021
Shares 247,622 Value ($000) $2,080 Avg Close — Range —
Q2 2021
Shares 248,700 Value ($000) $1,731 Avg Close — Range —
Q1 2021
Shares 248,700 Value ($000) $1,542 Avg Close — Range —
Q4 2020
Shares 253,521 Value ($000) $1,290 Avg Close — Range —
Q3 2020
Shares 253,521 Value ($000) $1,118 Avg Close — Range —
Q2 2020
Shares 253,521 Value ($000) $1,408 Avg Close — Range —
Q1 2020
Shares 253,521 Value ($000) $1,534 Avg Close — Range —
Q4 2019
Shares 253,521 Value ($000) $2,320 Avg Close — Range —
Q3 2019
Shares 253,521 Value ($000) $2,310 Avg Close — Range —
Q2 2019
Shares 236,833 Value ($000) $2,390 Avg Close — Range —
Q1 2019
Shares 223,031 Value ($000) $3,129 Avg Close — Range —
Q4 2018
Shares 221,531 Value ($000) $3,516 Avg Close — Range —
Q3 2018
Shares 221,531 Value ($000) $4,167 Avg Close — Range —
Q2 2018
Shares 221,531 Value ($000) $4,263 Avg Close — Range —
Q1 2018
Shares 221,531 Value ($000) $4,581 Avg Close — Range —
Q4 2017
Shares 221,531 Value ($000) $4,555 Avg Close — Range —
Q3 2017
Shares 219,169 Value ($000) $4,039 Avg Close — Range —
Q2 2017
Shares 219,169 Value ($000) $5,468 Avg Close — Range —
Q1 2017
Shares 211,817 Value ($000) $4,247 Avg Close — Range —
Q4 2016
Shares 210,917 Value ($000) $5,206 Avg Close — Range —
Q3 2016
Shares 216,615 Value ($000) $4,298 Avg Close — Range —
Q2 2016
Shares 220,735 Value ($000) $3,033 Avg Close — Range —
Q1 2016
Shares 247,395 Value ($000) $3,402 Avg Close — Range —
Q4 2015
Shares 246,095 Value ($000) $2,495 Avg Close — Range —
Q3 2015
Shares 243,295 Value ($000) $2,450 Avg Close — Range —
Q2 2015
Shares 242,507 Value ($000) $3,596 Avg Close — Range —
Q1 2015
Shares 239,937 Value ($000) $3,983 Avg Close — Range —
Q4 2014
Shares 238,937 Value ($000) $3,601 Avg Close — Range —
Q3 2014
Shares 238,837 Value ($000) $3,399 Avg Close — Range —
Q2 2014
Shares 238,837 Value ($000) $3,382 Avg Close — Range —
Q1 2014
Shares 238,837 Value ($000) $4,091 Avg Close — Range —
Q4 2013
Shares 237,102 Value ($000) $3,483 Avg Close — Range —
Q3 2013
Shares 237,102 Value ($000) $3,142 Avg Close — Range —
Q2 2013
Shares 238,102 Value ($000) $2,557 Avg Close — Range —