STAR PEAK ENERGY TRANSITION

CUSIP: 855185104 Class: CL A

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2021
Shares 5,316,309 Value ($000) $141,307 Avg Close — Range —
Q4 2020
Shares 5,493,831 Value ($000) $112,404 Avg Close — Range —