SIMULATIONS PLUS INC

Ticker: SLP CUSIP: 829214105 Class: Common Stock

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

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

Q4 2020
Shares 211,418 Value ($000) $15,205 Avg Close $64.97 Range $50.22 - $76.28
Q3 2020
Shares 279,073 Value ($000) $21,031 Avg Close $62.82 Range $55.06 - $74.66
Q2 2020
Shares 350,434 Value ($000) $20,963 Avg Close $43.04 Range $31.44 - $60.04
Q1 2020
Shares 553,140 Value ($000) $19,316 Avg Close $32.60 Range $25.40 - $39.30
Q4 2019
Shares 498,566 Value ($000) $14,493 Avg Close $33.02 Range $27.75 - $35.37
Q3 2019
Shares 385,083 Value ($000) $13,362 Avg Close $34.28 Range $27.00 - $40.84
Q2 2019
Shares 475,892 Value ($000) $13,591 Avg Close $23.54 Range $19.13 - $29.14
Q1 2019
Shares 485,040 Value ($000) $10,239 Avg Close $19.39 Range $17.65 - $20.99
Q4 2018
Shares 445,926 Value ($000) $8,874 Avg Close $19.07 Range $16.60 - $20.53
Q3 2018
Shares 418,609 Value ($000) $8,456 Avg Close $18.80 Range $16.04 - $23.00
Q2 2018
Shares 355,876 Value ($000) $7,918 Avg Close $18.13 Range $13.73 - $22.95
Q1 2018
Shares 286,307 Value ($000) $4,223 Avg Close $15.28 Range $13.64 - $16.25
Q4 2017
Shares 291,485 Value ($000) $4,693 Avg Close $15.64 Range $14.49 - $16.58
Q3 2017
Shares 338,106 Value ($000) $5,241 Avg Close $13.78 Range $11.41 - $15.34
Q2 2017
Shares 322,614 Value ($000) $3,984 Avg Close $11.24 Range $9.95 - $12.31
Q1 2017
Shares 74,688 Value ($000) $878 Avg Close $9.51 Range $8.27 - $11.08