NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

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

Q4 2025

Shares 29,512 Value ($000) $4,031 Avg Close $130.74 Range $120.39 - $141.25

Q3 2025

Shares 30,224 Value ($000) $4,068 Avg Close $127.35 Range $117.54 - $134.67

Q2 2025

Shares 30,621 Value ($000) $3,883 Avg Close $100.50 Range $80.06 - $125.55

Q1 2025

Shares 35,101 Value ($000) $3,463 Avg Close $103.45 Range $93.23 - $111.60

Q4 2024

Shares 9,738 Value ($000) $998 Avg Close $99.01 Range $84.76 - $108.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,512	$4,031	$130.74	$120.39 - $141.25
Q3 2025	30,224	$4,068	$127.35	$117.54 - $134.67
Q2 2025	30,621	$3,883	$100.50	$80.06 - $125.55
Q1 2025	35,101	$3,463	$103.45	$93.23 - $111.60
Q4 2024	9,738	$998	$99.01	$84.76 - $108.13