FORTINET INC

Ticker: FTNT CUSIP: 34959E109 Class: COM

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

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

Q1 2022

Shares 5,219 Value ($000) $1,784 Avg Close $62.17 Range $52.57 - $72.42

Q4 2018

Shares 1,526,503 Value ($000) $107,512 Avg Close $15.23 Range $12.88 - $18.87

Q3 2018

Shares 1,541,712 Value ($000) $142,254 Avg Close $15.29 Range $12.38 - $18.48

Q2 2018

Shares 1,193,364 Value ($000) $74,502 Avg Close $11.84 Range $10.41 - $13.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	5,219	$1,784	$62.17	$52.57 - $72.42
Q4 2018	1,526,503	$107,512	$15.23	$12.88 - $18.87
Q3 2018	1,541,712	$142,254	$15.29	$12.38 - $18.48
Q2 2018	1,193,364	$74,502	$11.84	$10.41 - $13.26