FASTENAL CO

Ticker: FAST CUSIP: 311900104 Class: COM

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

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

Q4 2017
Shares 277,563 Value ($000) $15,180 Avg Close $10.04 Range $8.57 - $11.25
Q3 2017
Shares 598,769 Value ($000) $27,292 Avg Close $8.67 Range $8.02 - $9.32
Q2 2017
Shares 607,061 Value ($000) $26,425 Avg Close $8.97 Range $8.38 - $10.48
Q1 2017
Shares 519,659 Value ($000) $26,762 Avg Close $9.94 Range $9.10 - $10.46
Q4 2016
Shares 685,380 Value ($000) $32,199 Avg Close $8.65 Range $7.38 - $9.73
Q3 2016
Shares 597,562 Value ($000) $24,966 Avg Close $8.32 Range $7.81 - $8.91
Q2 2016
Shares 761,278 Value ($000) $33,793 Avg Close $8.87 Range $8.20 - $9.46
Q1 2016
Shares 830,771 Value ($000) $40,708 Avg Close $8.38 Range $6.73 - $9.66