NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020
Shares 27,986 Value ($000) $1,632 Avg Close $43.87 Range $37.97 - $49.46
Q3 2020
Shares 35,717 Value ($000) $1,737 Avg Close $41.40 Range $37.35 - $45.52
Q2 2020
Shares 63,642 Value ($000) $3,470 Avg Close $44.67 Range $39.68 - $50.33
Q1 2020
Shares 130,944 Value ($000) $7,834 Avg Close $54.52 Range $34.68 - $61.46
Q4 2019
Shares 162,662 Value ($000) $11,658 Avg Close $54.65 Range $51.50 - $57.67
Q3 2019
Shares 189,781 Value ($000) $14,243 Avg Close $54.27 Range $50.60 - $58.08
Q2 2019
Shares 195,376 Value ($000) $14,096 Avg Close $53.01 Range $50.21 - $55.53
Q1 2019
Shares 178,764 Value ($000) $12,587 Avg Close $48.59 Range $42.38 - $53.49
Q4 2018
Shares 180,351 Value ($000) $10,720 Avg Close $45.03 Range $41.21 - $48.18
Q3 2018
Shares 131,151 Value ($000) $7,693 Avg Close $43.15 Range $40.65 - $45.13
Q2 2018
Shares 101,709 Value ($000) $5,823 Avg Close $39.06 Range $37.03 - $41.93
Q1 2018
Shares 69,363 Value ($000) $3,732 Avg Close $37.69 Range $35.55 - $42.53
Q4 2017
Shares 45,469 Value ($000) $2,714 Avg Close $42.54 Range $39.78 - $45.45
Q3 2017
Shares 40,250 Value ($000) $2,292 Avg Close $41.74 Range $40.09 - $43.18
Q2 2017
Shares 35,781 Value ($000) $2,183 Avg Close $42.35 Range $40.29 - $44.62
Q1 2017
Shares 31,763 Value ($000) $1,864 Avg Close $39.52 Range $38.19 - $41.05
Q4 2016
Shares 23,469 Value ($000) $1,335 Avg Close $38.33 Range $36.64 - $40.23
Q3 2016
Shares 19,441 Value ($000) $1,118 Avg Close $40.31 Range $38.22 - $43.00
Q2 2016
Shares 18,312 Value ($000) $1,155 Avg Close $39.68 Range $37.02 - $42.70
Q1 2016
Shares 18,834 Value ($000) $1,163 Avg Close $38.33 Range $34.60 - $41.62
Q4 2015
Shares 15,884 Value ($000) $862 Avg Close $35.84 Range $33.71 - $37.52
Q3 2015
Shares 12,933 Value ($000) $696 Avg Close $34.01 Range $31.66 - $36.90
Q2 2015
Shares 12,187 Value ($000) $594 Avg Close $33.40 Range $31.54 - $35.25
Q1 2015
Shares 14,531 Value ($000) $782 Avg Close $35.30 Range $32.73 - $38.16
Q4 2014
Shares 11,710 Value ($000) $663 Avg Close $33.16 Range $28.63 - $37.51
Q3 2014
Shares 8,341 Value ($000) $378 Avg Close $30.29 Range $28.46 - $33.15
Q2 2014
Shares 6,660 Value ($000) $348 Avg Close $30.04 Range $28.38 - $33.02
Q1 2014
Shares 6,319 Value ($000) $300 Avg Close $27.98 Range $26.36 - $29.86
Q4 2013
Shares 6,295 Value ($000) $273 Avg Close $27.40 Range $25.54 - $28.91
Q3 2013
Shares 5,878 Value ($000) $264 Avg Close $25.46 Range $23.73 - $28.10
Q2 2013
Shares 5,125 Value ($000) $204 Avg Close $24.78 Range $23.14 - $25.97