ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM's Holding History (CIK: 0000938076)

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

Q4 2025

Shares 249,208 Value ($000) $16,201 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 255,385 Value ($000) $17,216 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 276,339 Value ($000) $16,710 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 273,579 Value ($000) $17,605 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 273,579 Value ($000) $16,179 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 290,228 Value ($000) $17,614 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 308,531 Value ($000) $15,704 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 306,306 Value ($000) $16,357 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 302,256 Value ($000) $15,506 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 287,192 Value ($000) $13,914 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 293,212 Value ($000) $15,388 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 306,306 Value ($000) $16,357 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 306,306 Value ($000) $16,911 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 319,156 Value ($000) $16,912 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 318,696 Value ($000) $18,679 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 318,641 Value ($000) $19,909 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 327,954 Value ($000) $20,159 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 336,914 Value ($000) $18,860 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 344,978 Value ($000) $19,236 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 354,668 Value ($000) $19,209 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 377,178 Value ($000) $19,436 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 373,208 Value ($000) $19,276 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 373,058 Value ($000) $17,847 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 373,517 Value ($000) $18,037 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 370,271 Value ($000) $20,261 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 372,941 Value ($000) $20,113 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 381,265 Value ($000) $18,712 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 379,633 Value ($000) $17,892 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 383,105 Value ($000) $16,186 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 383,105 Value ($000) $16,309 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 382,651 Value ($000) $16,194 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 391,592 Value ($000) $16,000 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 387,613 Value ($000) $16,516 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 377,613 Value ($000) $15,697 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 377,613 Value ($000) $15,169 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 376,923 Value ($000) $14,930 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 374,923 Value ($000) $14,206 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 371,623 Value ($000) $14,237 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 371,501 Value ($000) $14,749 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 130,958 Value ($000) $9,728 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 129,848 Value ($000) $8,109 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 149,119 Value ($000) $8,722 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 148,243 Value ($000) $8,557 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 155,201 Value ($000) $9,778 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 166,505 Value ($000) $11,059 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 167,079 Value ($000) $9,258 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 172,024 Value ($000) $10,469 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 168,833 Value ($000) $9,591 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 196,545 Value ($000) $10,142 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 198,001 Value ($000) $9,811 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 199,477 Value ($000) $10,058 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	249,208	$16,201	$66.83	$64.30 - $69.59
Q3 2025	255,385	$17,216	$63.88	$59.07 - $67.04
Q2 2025	276,339	$16,710	$60.10	$55.76 - $64.19
Q1 2025	273,579	$17,605	$59.57	$54.52 - $64.99
Q4 2024	273,579	$16,179	$58.37	$54.30 - $62.16
Q3 2024	290,228	$17,614	$54.38	$48.12 - $58.63
Q2 2024	308,531	$15,704	$47.71	$44.54 - $49.81
Q1 2024	306,306	$16,357	$46.11	$44.14 - $48.90
Q4 2023	302,256	$15,506	$46.45	$41.77 - $50.29
Q3 2023	287,192	$13,914	$47.84	$44.23 - $51.62
Q2 2023	293,212	$15,388	$49.05	$46.13 - $51.23
Q1 2023	306,306	$16,357	$48.28	$45.19 - $50.77
Q4 2022	306,306	$16,911	$48.07	$42.22 - $51.90
Q3 2022	319,156	$16,912	$53.87	$47.25 - $57.82
Q2 2022	318,696	$18,679	$53.50	$48.14 - $57.66
Q1 2022	318,641	$19,909	$52.37	$48.33 - $55.78
Q4 2021	327,954	$20,159	$50.05	$47.35 - $54.07
Q3 2021	336,914	$18,860	$51.28	$47.64 - $54.21
Q2 2021	344,978	$19,236	$48.83	$45.94 - $51.03
Q1 2021	354,668	$19,209	$42.55	$39.42 - $47.06
Q4 2020	377,178	$19,436	$45.61	$40.48 - $49.39
Q3 2020	373,208	$19,276	$44.02	$39.84 - $46.94
Q2 2020	373,058	$17,847	$40.72	$36.29 - $45.31
Q1 2020	373,517	$18,037	$45.48	$31.34 - $50.16
Q4 2019	370,271	$20,261	$43.82	$42.11 - $45.80
Q3 2019	372,941	$20,113	$42.08	$39.53 - $44.83
Q2 2019	381,265	$18,712	$38.79	$37.00 - $40.91
Q1 2019	379,633	$17,892	$36.14	$32.70 - $38.77
Q4 2018	383,105	$16,186	$35.19	$32.65 - $37.38
Q3 2018	383,105	$16,309	$34.13	$32.72 - $35.18
Q2 2018	382,651	$16,194	$32.46	$30.20 - $34.35
Q1 2018	391,592	$16,000	$30.84	$28.88 - $33.21
Q4 2017	387,613	$16,516	$33.80	$31.68 - $35.41
Q3 2017	377,613	$15,697	$32.04	$30.14 - $33.72
Q2 2017	377,613	$15,169	$30.93	$29.83 - $32.31
Q1 2017	376,923	$14,930	$29.08	$27.58 - $30.63
Q4 2016	374,923	$14,206	$27.74	$26.27 - $29.13
Q3 2016	371,623	$14,237	$29.26	$27.72 - $30.41
Q2 2016	371,501	$14,749	$27.46	$25.25 - $29.85
Q1 2016	130,958	$9,728	$24.74	$22.13 - $27.34
Q4 2015	129,848	$8,109	$21.84	$20.45 - $23.41
Q3 2015	149,119	$8,722	$21.20	$19.59 - $22.72
Q2 2015	148,243	$8,557	$21.63	$20.41 - $22.74
Q1 2015	155,201	$9,778	$23.04	$21.25 - $25.01
Q4 2014	166,505	$11,059	$21.73	$19.32 - $24.55
Q3 2014	167,079	$9,258	$20.07	$19.08 - $21.06
Q2 2014	172,024	$10,469	$19.98	$19.02 - $21.06
Q1 2014	168,833	$9,591	$18.07	$16.97 - $19.54
Q4 2013	196,545	$10,142	$17.48	$16.43 - $18.23
Q3 2013	198,001	$9,811	$17.15	$16.21 - $18.15
Q2 2013	199,477	$10,058	$16.89	$15.60 - $17.85