3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

IRONWOOD INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001127761)

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

Q1 2019

Shares 976 Value ($000) $203 Avg Close $131.07 Range $118.62 - $138.19

Q3 2018

Shares 976 Value ($000) $206 Avg Close $132.20 Range $121.95 - $140.35

Q1 2018

Shares 976 Value ($000) $214 Avg Close $150.16 Range $136.48 - $164.13

Q4 2017

Shares 976 Value ($000) $230 Avg Close $144.97 Range $132.04 - $154.32

Q3 2017

Shares 976 Value ($000) $205 Avg Close $129.88 Range $123.25 - $134.94

Q2 2017

Shares 976 Value ($000) $203 Avg Close $124.67 Range $117.20 - $134.12

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	976	$203	$131.07	$118.62 - $138.19
Q3 2018	976	$206	$132.20	$121.95 - $140.35
Q1 2018	976	$214	$150.16	$136.48 - $164.13
Q4 2017	976	$230	$144.97	$132.04 - $154.32
Q3 2017	976	$205	$129.88	$123.25 - $134.94
Q2 2017	976	$203	$124.67	$117.20 - $134.12