NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 8,816 Value ($000) $1 Avg Close $127.35 Range $117.54 - $134.67
Q1 2025
Shares 3,883 Value ($000) $0 Avg Close $103.45 Range $93.23 - $111.60
Q3 2024
Shares 10,709 Value ($000) $1 Avg Close $84.00 Range $77.46 - $89.72
Q3 2022
Shares 775 Value ($000) $66 Avg Close $86.27 Range $75.57 - $93.27
Q3 2021
Shares 819 Value ($000) $95 Avg Close $98.91 Range $91.25 - $105.90
Q2 2021
Shares 1,119 Value ($000) $129 Avg Close $99.29 Range $88.58 - $106.46
Q3 2020
Shares 10,677 Value ($000) $832 Avg Close $67.99 Range $61.38 - $73.22
Q2 2020
Shares 4,447 Value ($000) $352 Avg Close $66.60 Range $56.52 - $77.90
Q1 2020
Shares 37,804 Value ($000) $2,852 Avg Close $76.24 Range $50.86 - $91.21
Q4 2018
Shares 4,396 Value ($000) $367 Avg Close $75.32 Range $61.37 - $86.09
Q3 2018
Shares 4,066 Value ($000) $415 Avg Close $85.59 Range $81.23 - $92.33
Q1 2018
Shares 1,282 Value ($000) $132 Avg Close $82.97 Range $74.79 - $88.15
Q2 2016
Shares 3,766 Value ($000) $249 Avg Close $53.49 Range $47.26 - $57.41
Q3 2015
Shares 2,946 Value ($000) $200 Avg Close $55.52 Range $49.19 - $59.82
Q1 2015
Shares 6,545 Value ($000) $455 Avg Close $51.14 Range $45.68 - $54.62
Q4 2014
Shares 1,757 Value ($000) $118 Avg Close $49.58 Range $45.22 - $51.59