WESTLAKE CHEM PARTNERS LP

Ticker: WLKP CUSIP: 960417103 Class: COM UNIT RP LP

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2022
Shares 9,700 Value ($000) $209 Avg Close — Range —
Q2 2022
Shares 14,800 Value ($000) $369 Avg Close — Range —
Q1 2022
Shares 14,800 Value ($000) $401 Avg Close — Range —
Q4 2021
Shares 24,350 Value ($000) $654 Avg Close — Range —
Q3 2021
Shares 24,350 Value ($000) $593 Avg Close — Range —
Q2 2021
Shares 26,850 Value ($000) $723 Avg Close — Range —
Q1 2021
Shares 29,250 Value ($000) $703 Avg Close — Range —
Q4 2020
Shares 35,750 Value ($000) $852 Avg Close — Range —
Q3 2020
Shares 35,750 Value ($000) $670 Avg Close — Range —
Q2 2020
Shares 43,678 Value ($000) $827 Avg Close — Range —
Q1 2020
Shares 57,560 Value ($000) $851 Avg Close — Range —
Q4 2019
Shares 56,996 Value ($000) $1,506 Avg Close — Range —
Q3 2019
Shares 96,982 Value ($000) $2,254 Avg Close — Range —
Q2 2019
Shares 97,667 Value ($000) $2,427 Avg Close — Range —
Q1 2019
Shares 97,654 Value ($000) $2,427 Avg Close — Range —
Q4 2018
Shares 99,942 Value ($000) $2,484 Avg Close — Range —
Q3 2018
Shares 100,381 Value ($000) $2,499 Avg Close — Range —
Q2 2018
Shares 96,271 Value ($000) $2,359 Avg Close — Range —
Q1 2018
Shares 90,160 Value ($000) $2,015 Avg Close — Range —
Q4 2017
Shares 72,050 Value ($000) $1,798 Avg Close — Range —