ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2019
Shares 1,298,579 Value ($000) $71,053 Avg Close $43.82 Range $42.11 - $45.80
Q3 2019
Shares 1,246,308 Value ($000) $67,209 Avg Close $42.08 Range $39.53 - $44.83
Q2 2019
Shares 1,165,898 Value ($000) $57,225 Avg Close $38.79 Range $37.00 - $40.91
Q1 2019
Shares 1,072,378 Value ($000) $50,541 Avg Close $36.14 Range $32.70 - $38.77
Q4 2018
Shares 1,658,694 Value ($000) $70,080 Avg Close $35.19 Range $32.65 - $37.38
Q3 2018
Shares 3,521,314 Value ($000) $149,903 Avg Close $34.13 Range $32.72 - $35.18
Q2 2018
Shares 5,405,261 Value ($000) $228,750 Avg Close $32.46 Range $30.20 - $34.35
Q1 2018
Shares 5,267,800 Value ($000) $215,243 Avg Close $30.84 Range $28.88 - $33.21
Q4 2017
Shares 6,853,230 Value ($000) $292,016 Avg Close $33.80 Range $31.68 - $35.41
Q3 2017
Shares 5,497,184 Value ($000) $228,517 Avg Close $32.04 Range $30.14 - $33.72
Q2 2017
Shares 3,484,694 Value ($000) $139,980 Avg Close $30.93 Range $29.83 - $32.31
Q1 2017
Shares 3,344,272 Value ($000) $132,467 Avg Close $29.08 Range $27.58 - $30.63
Q4 2016
Shares 3,291,590 Value ($000) $124,718 Avg Close $27.74 Range $26.27 - $29.13
Q3 2016
Shares 3,028,432 Value ($000) $116,019 Avg Close $29.26 Range $27.72 - $30.41
Q2 2016
Shares 2,770,546 Value ($000) $109,990 Avg Close $27.46 Range $25.25 - $29.85
Q1 2016
Shares 1,452,387 Value ($000) $107,884 Avg Close $24.74 Range $22.13 - $27.34
Q4 2015
Shares 2,438,193 Value ($000) $152,265 Avg Close $21.84 Range $20.45 - $23.41
Q3 2015
Shares 2,244,066 Value ($000) $131,256 Avg Close $21.20 Range $19.59 - $22.72
Q2 2015
Shares 2,035,023 Value ($000) $117,462 Avg Close $21.63 Range $20.41 - $22.74
Q1 2015
Shares 1,670,647 Value ($000) $105,251 Avg Close $23.04 Range $21.25 - $25.01
Q4 2014
Shares 1,531,732 Value ($000) $101,738 Avg Close $21.73 Range $19.32 - $24.55
Q3 2014
Shares 1,408,032 Value ($000) $78,019 Avg Close $20.07 Range $19.08 - $21.06
Q2 2014
Shares 1,322,290 Value ($000) $80,474 Avg Close $19.98 Range $19.02 - $21.06
Q1 2014
Shares 1,144,341 Value ($000) $65,010 Avg Close $18.07 Range $16.97 - $19.54
Q4 2013
Shares 1,162,911 Value ($000) $60,006 Avg Close $17.48 Range $16.43 - $18.23
Q3 2013
Shares 897,066 Value ($000) $44,449 Avg Close $17.15 Range $16.21 - $18.15
Q2 2013
Shares 676,460 Value ($000) $34,107 Avg Close $16.89 Range $15.60 - $17.85