SOLARIS OILFIELD INFRASTRUCT

Ticker: SEI CUSIP: 83418M103 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2025

Shares 1,227,721 Value ($000) $56,438 Avg Close $48.29 Range $38.42 - $57.04

Q3 2025

Shares 961,547 Value ($000) $38,433 Avg Close $31.12 Range $24.43 - $43.37

Q2 2025

Shares 2,244,374 Value ($000) $63,493 Avg Close $23.34 Range $14.12 - $30.16

Q1 2025

Shares 2,025,417 Value ($000) $44,073 Avg Close $27.32 Range $19.11 - $38.41

Q4 2024

Shares 535,801 Value ($000) $15,420 Avg Close $19.52 Range $12.34 - $32.10

Q2 2019

Shares 332,117 Value ($000) $4,975 Avg Close $12.55 Range $10.47 - $14.59

Q1 2019

Shares 418,963 Value ($000) $6,888 Avg Close $11.53 Range $8.79 - $13.22

Q4 2018

Shares 314,677 Value ($000) $3,804 Avg Close $10.59 Range $7.89 - $14.30

Q3 2018

Shares 555,435 Value ($000) $10,492 Avg Close $11.96 Range $9.66 - $14.32

Q1 2018

Shares 899,567 Value ($000) $14,897 Avg Close $14.02 Range $11.69 - $17.86

Q4 2017

Shares 649,378 Value ($000) $13,903 Avg Close $12.61 Range $10.45 - $16.39

Q3 2017

Shares 320,589 Value ($000) $5,588 Avg Close $10.25 Range $8.22 - $13.20

Q2 2017

Shares 374,877 Value ($000) $4,322 Avg Close $8.45 Range $7.37 - $9.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,227,721	$56,438	$48.29	$38.42 - $57.04
Q3 2025	961,547	$38,433	$31.12	$24.43 - $43.37
Q2 2025	2,244,374	$63,493	$23.34	$14.12 - $30.16
Q1 2025	2,025,417	$44,073	$27.32	$19.11 - $38.41
Q4 2024	535,801	$15,420	$19.52	$12.34 - $32.10
Q2 2019	332,117	$4,975	$12.55	$10.47 - $14.59
Q1 2019	418,963	$6,888	$11.53	$8.79 - $13.22
Q4 2018	314,677	$3,804	$10.59	$7.89 - $14.30
Q3 2018	555,435	$10,492	$11.96	$9.66 - $14.32
Q1 2018	899,567	$14,897	$14.02	$11.69 - $17.86
Q4 2017	649,378	$13,903	$12.61	$10.45 - $16.39
Q3 2017	320,589	$5,588	$10.25	$8.22 - $13.20
Q2 2017	374,877	$4,322	$8.45	$7.37 - $9.29