VANGUARD WORLD FD

Ticker: MGK CUSIP: 921910816 Class: MEGA GRWTH IND

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

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

Q4 2017
Shares 4,643 Value ($000) $517 Avg Close — Range —
Q3 2017
Shares 4,737 Value ($000) $496 Avg Close — Range —
Q2 2017
Shares 4,799 Value ($000) $480 Avg Close — Range —