BLACKROCK INC

CUSIP: 09247X101 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q2 2024
Shares 5,274 Value ($000) $4,152 Avg Close — Range —
Q1 2024
Shares 5,282 Value ($000) $4,404 Avg Close — Range —
Q4 2023
Shares 5,271 Value ($000) $4,279 Avg Close — Range —
Q3 2023
Shares 5,271 Value ($000) $3,408 Avg Close — Range —
Q2 2023
Shares 5,462 Value ($000) $3,775 Avg Close — Range —
Q1 2023
Shares 5,610 Value ($000) $3,754 Avg Close — Range —
Q4 2022
Shares 5,684 Value ($000) $4,028 Avg Close — Range —
Q3 2022
Shares 5,543 Value ($000) $3,050 Avg Close — Range —
Q2 2022
Shares 5,329 Value ($000) $3,246 Avg Close — Range —
Q1 2022
Shares 5,380 Value ($000) $3,857 Avg Close — Range —
Q4 2021
Shares 5,487 Value ($000) $5,024 Avg Close — Range —
Q3 2021
Shares 5,584 Value ($000) $4,683 Avg Close — Range —
Q2 2021
Shares 5,654 Value ($000) $4,947 Avg Close — Range —
Q1 2021
Shares 5,777 Value ($000) $4,529 Avg Close — Range —
Q4 2020
Shares 5,800 Value ($000) $4,185 Avg Close — Range —
Q3 2020
Shares 5,857 Value ($000) $3,301 Avg Close — Range —
Q2 2020
Shares 5,997 Value ($000) $3,263 Avg Close — Range —
Q1 2020
Shares 6,069 Value ($000) $2,670 Avg Close — Range —
Q4 2019
Shares 6,080 Value ($000) $3,056 Avg Close — Range —
Q3 2019
Shares 6,100 Value ($000) $2,718 Avg Close — Range —
Q2 2019
Shares 9,951 Value ($000) $4,670 Avg Close — Range —
Q1 2019
Shares 9,881 Value ($000) $4,223 Avg Close — Range —
Q4 2018
Shares 9,735 Value ($000) $3,824 Avg Close — Range —
Q3 2018
Shares 10,505 Value ($000) $4,951 Avg Close — Range —
Q2 2018
Shares 10,380 Value ($000) $5,180 Avg Close — Range —
Q1 2018
Shares 10,341 Value ($000) $5,602 Avg Close — Range —
Q4 2017
Shares 11,238 Value ($000) $5,773 Avg Close — Range —
Q3 2017
Shares 11,328 Value ($000) $5,065 Avg Close — Range —
Q2 2017
Shares 11,283 Value ($000) $4,766 Avg Close — Range —
Q1 2017
Shares 11,236 Value ($000) $4,309 Avg Close — Range —
Q4 2016
Shares 11,252 Value ($000) $4,282 Avg Close — Range —
Q3 2016
Shares 11,156 Value ($000) $4,044 Avg Close — Range —
Q2 2016
Shares 11,096 Value ($000) $3,801 Avg Close — Range —
Q1 2016
Shares 11,085 Value ($000) $3,775 Avg Close — Range —
Q4 2015
Shares 11,023 Value ($000) $3,754 Avg Close — Range —
Q3 2015
Shares 11,718 Value ($000) $3,486 Avg Close — Range —
Q2 2015
Shares 10,718 Value ($000) $3,708 Avg Close — Range —
Q1 2015
Shares 10,803 Value ($000) $3,952 Avg Close — Range —
Q4 2014
Shares 11,763 Value ($000) $4,206 Avg Close — Range —
Q3 2014
Shares 9,498 Value ($000) $3,118 Avg Close — Range —
Q2 2014
Shares 9,728 Value ($000) $3,109 Avg Close — Range —
Q1 2014
Shares 9,755 Value ($000) $3,068 Avg Close — Range —
Q4 2013
Shares 9,755 Value ($000) $3,087 Avg Close — Range —
Q3 2013
Shares 9,860 Value ($000) $2,668 Avg Close — Range —
Q2 2013
Shares 9,980 Value ($000) $2,563 Avg Close — Range —