INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 268,380 Value ($000) $17,260 Avg Close $66.89 Range $58.88 - $73.26

Q3 2025

Shares 239,703 Value ($000) $16,494 Avg Close $62.79 Range $53.01 - $70.18

Q2 2025

Shares 254,588 Value ($000) $14,107 Avg Close $47.28 Range $32.69 - $55.48

Q1 2025

Shares 74,423 Value ($000) $12,324 Avg Close $49.31 Range $39.14 - $58.82

Q4 2024

Shares 114,164 Value ($000) $20,169 Avg Close $41.85 Range $33.69 - $48.10

Q3 2024

Shares 165,355 Value ($000) $23,044 Avg Close $30.72 Range $25.70 - $34.63

Q2 2024

Shares 167,757 Value ($000) $20,567 Avg Close $29.54 Range $26.42 - $31.96

Q1 2024

Shares 173,235 Value ($000) $19,352 Avg Close $24.63 Range $20.33 - $27.83

Q4 2023

Shares 196,564 Value ($000) $16,295 Avg Close $20.21 Range $17.92 - $22.24

Q3 2023

Shares 169,177 Value ($000) $14,644 Avg Close $21.95 Range $20.01 - $23.60

Q2 2023

Shares 165,759 Value ($000) $13,770 Avg Close $19.44 Range $17.44 - $21.23

Q1 2023

Shares 154,324 Value ($000) $12,741 Avg Close $20.03 Range $17.46 - $22.21

Q4 2022

Shares 144,979 Value ($000) $10,489 Avg Close $18.36 Range $15.40 - $20.01

Q3 2022

Shares 150,102 Value ($000) $9,593 Avg Close $15.12 Range $12.86 - $17.38

Q2 2022

Shares 155,882 Value ($000) $8,575 Avg Close $14.55 Range $12.78 - $16.65

Q1 2022

Shares 139,092 Value ($000) $9,168 Avg Close $16.85 Range $13.94 - $19.79

Q4 2021

Shares 9,766 Value ($000) $776 Avg Close $18.18 Range $15.23 - $20.25

Q3 2021

Shares 10,058 Value ($000) $627 Avg Close $15.36 Range $14.37 - $16.36

Q2 2021

Shares 9,593 Value ($000) $631 Avg Close $16.85 Range $15.38 - $18.89

Q1 2021

Shares 9,302 Value ($000) $679 Avg Close $17.53 Range $14.36 - $19.61

Q4 2020

Shares 9,433 Value ($000) $575 Avg Close $12.87 Range $11.33 - $15.30

Q3 2020

Shares 9,833 Value ($000) $475 Avg Close $12.09 Range $9.98 - $13.03

Q2 2020

Shares 9,483 Value ($000) $396 Avg Close $10.11 Range $8.76 - $11.44

Q1 2020

Shares 10,113 Value ($000) $437 Avg Close $11.67 Range $8.14 - $14.11

Q4 2019

Shares 10,553 Value ($000) $492 Avg Close $11.31 Range $10.72 - $12.50

Q3 2019

Shares 10,553 Value ($000) $568 Avg Close $11.96 Range $10.69 - $13.30

Q2 2019

Shares 10,403 Value ($000) $564 Avg Close $13.01 Range $11.86 - $14.22

Q1 2019

Shares 13,760 Value ($000) $714 Avg Close $12.59 Range $11.61 - $13.91

Q4 2018

Shares 14,150 Value ($000) $773 Avg Close $12.75 Range $11.08 - $14.96

Q3 2018

Shares 14,150 Value ($000) $783 Avg Close $14.48 Range $13.14 - $15.95

Q2 2018

Shares 13,740 Value ($000) $885 Avg Close $17.25 Range $15.13 - $19.13

Q1 2018

Shares 13,907 Value ($000) $935 Avg Close $15.75 Range $14.01 - $17.65

Q4 2017

Shares 14,293 Value ($000) $846 Avg Close $12.95 Range $10.63 - $14.82

Q3 2017

Shares 14,172 Value ($000) $638 Avg Close $9.67 Range $8.58 - $10.70

Q2 2017

Shares 13,137 Value ($000) $492 Avg Close $8.40 Range $7.80 - $9.05

Q1 2017

Shares 12,657 Value ($000) $439 Avg Close $8.78 Range $8.05 - $9.31

Q4 2016

Shares 34,742 Value ($000) $1,268 Avg Close $8.56 Range $7.51 - $9.35

Q3 2016

Shares 40,196 Value ($000) $1,418 Avg Close $8.30 Range $7.88 - $8.76

Q2 2016

Shares 41,196 Value ($000) $1,458 Avg Close $8.92 Range $7.90 - $9.67

Q1 2016

Shares 39,996 Value ($000) $1,573 Avg Close $8.23 Range $6.87 - $10.05

Q4 2015

Shares 41,876 Value ($000) $1,826 Avg Close $9.71 Range $8.53 - $10.45

Q3 2015

Shares 42,926 Value ($000) $1,694 Avg Close $9.55 Range $8.25 - $10.65

Q2 2015

Shares 44,156 Value ($000) $1,835 Avg Close $8.40 Range $7.45 - $9.84

Q1 2015

Shares 40,946 Value ($000) $1,393 Avg Close $7.33 Range $5.89 - $7.99

Q4 2014

Shares 41,946 Value ($000) $1,223 Avg Close $6.15 Range $5.28 - $6.88

Q3 2014

Shares 39,546 Value ($000) $987 Avg Close $5.45 Range $5.01 - $6.12

Q2 2014

Shares 39,406 Value ($000) $918 Avg Close $5.24 Range $4.63 - $5.56

Q1 2014

Shares 33,456 Value ($000) $725 Avg Close $5.03 Range $4.67 - $5.63

Q4 2013

Shares 33,206 Value ($000) $808 Avg Close $5.05 Range $4.23 - $5.67

Q3 2013

Shares 34,216 Value ($000) $642 Avg Close $3.86 Range $3.57 - $4.28

Q2 2013

Shares 37,086 Value ($000) $592 Avg Close $3.45 Range $3.06 - $3.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	268,380	$17,260	$66.89	$58.88 - $73.26
Q3 2025	239,703	$16,494	$62.79	$53.01 - $70.18
Q2 2025	254,588	$14,107	$47.28	$32.69 - $55.48
Q1 2025	74,423	$12,324	$49.31	$39.14 - $58.82
Q4 2024	114,164	$20,169	$41.85	$33.69 - $48.10
Q3 2024	165,355	$23,044	$30.72	$25.70 - $34.63
Q2 2024	167,757	$20,567	$29.54	$26.42 - $31.96
Q1 2024	173,235	$19,352	$24.63	$20.33 - $27.83
Q4 2023	196,564	$16,295	$20.21	$17.92 - $22.24
Q3 2023	169,177	$14,644	$21.95	$20.01 - $23.60
Q2 2023	165,759	$13,770	$19.44	$17.44 - $21.23
Q1 2023	154,324	$12,741	$20.03	$17.46 - $22.21
Q4 2022	144,979	$10,489	$18.36	$15.40 - $20.01
Q3 2022	150,102	$9,593	$15.12	$12.86 - $17.38
Q2 2022	155,882	$8,575	$14.55	$12.78 - $16.65
Q1 2022	139,092	$9,168	$16.85	$13.94 - $19.79
Q4 2021	9,766	$776	$18.18	$15.23 - $20.25
Q3 2021	10,058	$627	$15.36	$14.37 - $16.36
Q2 2021	9,593	$631	$16.85	$15.38 - $18.89
Q1 2021	9,302	$679	$17.53	$14.36 - $19.61
Q4 2020	9,433	$575	$12.87	$11.33 - $15.30
Q3 2020	9,833	$475	$12.09	$9.98 - $13.03
Q2 2020	9,483	$396	$10.11	$8.76 - $11.44
Q1 2020	10,113	$437	$11.67	$8.14 - $14.11
Q4 2019	10,553	$492	$11.31	$10.72 - $12.50
Q3 2019	10,553	$568	$11.96	$10.69 - $13.30
Q2 2019	10,403	$564	$13.01	$11.86 - $14.22
Q1 2019	13,760	$714	$12.59	$11.61 - $13.91
Q4 2018	14,150	$773	$12.75	$11.08 - $14.96
Q3 2018	14,150	$783	$14.48	$13.14 - $15.95
Q2 2018	13,740	$885	$17.25	$15.13 - $19.13
Q1 2018	13,907	$935	$15.75	$14.01 - $17.65
Q4 2017	14,293	$846	$12.95	$10.63 - $14.82
Q3 2017	14,172	$638	$9.67	$8.58 - $10.70
Q2 2017	13,137	$492	$8.40	$7.80 - $9.05
Q1 2017	12,657	$439	$8.78	$8.05 - $9.31
Q4 2016	34,742	$1,268	$8.56	$7.51 - $9.35
Q3 2016	40,196	$1,418	$8.30	$7.88 - $8.76
Q2 2016	41,196	$1,458	$8.92	$7.90 - $9.67
Q1 2016	39,996	$1,573	$8.23	$6.87 - $10.05
Q4 2015	41,876	$1,826	$9.71	$8.53 - $10.45
Q3 2015	42,926	$1,694	$9.55	$8.25 - $10.65
Q2 2015	44,156	$1,835	$8.40	$7.45 - $9.84
Q1 2015	40,946	$1,393	$7.33	$5.89 - $7.99
Q4 2014	41,946	$1,223	$6.15	$5.28 - $6.88
Q3 2014	39,546	$987	$5.45	$5.01 - $6.12
Q2 2014	39,406	$918	$5.24	$4.63 - $5.56
Q1 2014	33,456	$725	$5.03	$4.67 - $5.63
Q4 2013	33,206	$808	$5.05	$4.23 - $5.67
Q3 2013	34,216	$642	$3.86	$3.57 - $4.28
Q2 2013	37,086	$592	$3.45	$3.06 - $3.76