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Side-by-side financial comparison of DIAMOND HILL INVESTMENT GROUP INC (DHIL) and NAPCO SECURITY TECHNOLOGIES, INC (NSSC). Click either name above to swap in a different company.

NAPCO SECURITY TECHNOLOGIES, INC is the larger business by last-quarter revenue ($48.2M vs $36.6M, roughly 1.3× DIAMOND HILL INVESTMENT GROUP INC). NAPCO SECURITY TECHNOLOGIES, INC runs the higher net margin — 28.0% vs 25.3%, a 2.7% gap on every dollar of revenue. On growth, NAPCO SECURITY TECHNOLOGIES, INC posted the faster year-over-year revenue change (12.2% vs -6.6%). NAPCO SECURITY TECHNOLOGIES, INC produced more free cash flow last quarter ($14.5M vs $-9.1M). Over the past eight quarters, DIAMOND HILL INVESTMENT GROUP INC's revenue compounded faster (0.4% CAGR vs -1.1%).

Diamond Baseball Holdings (DBH) is an American sports ownership and management group that operates over 40 Minor League Baseball (MiLB) teams in the United States and Canada. DBH was established in 2021 by media conglomerate Endeavor and is a subsidiary of the investment firm Silver Lake.

Napco Security Technologies, Inc. was set up in 1969 and now is based in Amityville, New York. The company focuses on security products, such as electronic locking devices, alarm systems, and building access control systems. The company was formerly known as Napco Security Systems, Inc.

DHIL vs NSSC — Head-to-Head

Bigger by revenue
NSSC
NSSC
1.3× larger
NSSC
$48.2M
$36.6M
DHIL
Growing faster (revenue YoY)
NSSC
NSSC
+18.8% gap
NSSC
12.2%
-6.6%
DHIL
Higher net margin
NSSC
NSSC
2.7% more per $
NSSC
28.0%
25.3%
DHIL
More free cash flow
NSSC
NSSC
$23.6M more FCF
NSSC
$14.5M
$-9.1M
DHIL
Faster 2-yr revenue CAGR
DHIL
DHIL
Annualised
DHIL
0.4%
-1.1%
NSSC

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
DHIL
DHIL
NSSC
NSSC
Revenue
$36.6M
$48.2M
Net Profit
$9.3M
$13.5M
Gross Margin
58.6%
Operating Margin
16.9%
30.6%
Net Margin
25.3%
28.0%
Revenue YoY
-6.6%
12.2%
Net Profit YoY
25.3%
29.0%
EPS (diluted)
$3.42
$0.38

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DHIL
DHIL
NSSC
NSSC
Q4 25
$36.6M
$48.2M
Q3 25
$37.4M
$49.2M
Q2 25
$36.0M
$50.7M
Q1 25
$37.1M
$44.0M
Q4 24
$39.1M
$42.9M
Q3 24
$39.0M
$44.0M
Q2 24
$36.7M
$50.3M
Q1 24
$36.3M
$49.3M
Net Profit
DHIL
DHIL
NSSC
NSSC
Q4 25
$9.3M
$13.5M
Q3 25
$13.6M
$12.2M
Q2 25
$15.6M
$11.6M
Q1 25
$10.4M
$10.1M
Q4 24
$7.4M
$10.5M
Q3 24
$14.6M
$11.2M
Q2 24
$8.1M
$13.5M
Q1 24
$13.0M
$13.2M
Gross Margin
DHIL
DHIL
NSSC
NSSC
Q4 25
58.6%
Q3 25
56.6%
Q2 25
52.8%
Q1 25
57.2%
Q4 24
57.0%
Q3 24
55.9%
Q2 24
55.3%
Q1 24
53.8%
Operating Margin
DHIL
DHIL
NSSC
NSSC
Q4 25
16.9%
30.6%
Q3 25
26.0%
27.7%
Q2 25
21.6%
23.8%
Q1 25
35.2%
25.4%
Q4 24
33.8%
26.0%
Q3 24
26.2%
26.9%
Q2 24
33.1%
27.7%
Q1 24
22.9%
29.4%
Net Margin
DHIL
DHIL
NSSC
NSSC
Q4 25
25.3%
28.0%
Q3 25
36.2%
24.7%
Q2 25
43.2%
22.9%
Q1 25
27.9%
23.0%
Q4 24
18.9%
24.4%
Q3 24
37.5%
25.4%
Q2 24
22.2%
26.9%
Q1 24
35.9%
26.8%
EPS (diluted)
DHIL
DHIL
NSSC
NSSC
Q4 25
$3.42
$0.38
Q3 25
$4.99
$0.34
Q2 25
$5.73
$0.33
Q1 25
$3.77
$0.28
Q4 24
$2.76
$0.28
Q3 24
$5.35
$0.30
Q2 24
$2.93
$0.36
Q1 24
$4.62
$0.36

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DHIL
DHIL
NSSC
NSSC
Cash + ST InvestmentsLiquidity on hand
$115.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$176.4M
$184.8M
Total Assets
$260.4M
$212.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DHIL
DHIL
NSSC
NSSC
Q4 25
$115.4M
Q3 25
$105.8M
Q2 25
$99.2M
Q1 25
$89.3M
Q4 24
$41.6M
$99.2M
Q3 24
$91.3M
Q2 24
$70.7M
Q1 24
$60.9M
Stockholders' Equity
DHIL
DHIL
NSSC
NSSC
Q4 25
$176.4M
$184.8M
Q3 25
$180.9M
$176.1M
Q2 25
$171.6M
$168.6M
Q1 25
$168.6M
$161.5M
Q4 24
$162.3M
$174.2M
Q3 24
$166.5M
$178.6M
Q2 24
$156.5M
$178.9M
Q1 24
$158.3M
$168.2M
Total Assets
DHIL
DHIL
NSSC
NSSC
Q4 25
$260.4M
$212.8M
Q3 25
$256.3M
$206.0M
Q2 25
$261.0M
$198.1M
Q1 25
$224.4M
$190.9M
Q4 24
$245.1M
$202.7M
Q3 24
$240.8M
$209.9M
Q2 24
$213.1M
$207.8M
Q1 24
$209.1M
$194.8M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DHIL
DHIL
NSSC
NSSC
Operating Cash FlowLast quarter
$-6.6M
$15.1M
Free Cash FlowOCF − Capex
$-9.1M
$14.5M
FCF MarginFCF / Revenue
-24.8%
30.1%
Capex IntensityCapex / Revenue
6.7%
1.2%
Cash ConversionOCF / Net Profit
-0.71×
1.12×
TTM Free Cash FlowTrailing 4 quarters
$-34.3M
$53.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DHIL
DHIL
NSSC
NSSC
Q4 25
$-6.6M
$15.1M
Q3 25
$-7.7M
$11.6M
Q2 25
$-5.0M
$14.6M
Q1 25
$-10.7M
$13.4M
Q4 24
$16.6M
$13.5M
Q3 24
$18.5M
$12.0M
Q2 24
$19.2M
$14.3M
Q1 24
$-12.3M
$12.3M
Free Cash Flow
DHIL
DHIL
NSSC
NSSC
Q4 25
$-9.1M
$14.5M
Q3 25
$-8.3M
$11.4M
Q2 25
$-5.7M
$14.4M
Q1 25
$-11.3M
$13.3M
Q4 24
$15.2M
$12.4M
Q3 24
$18.3M
$11.3M
Q2 24
$19.2M
$13.8M
Q1 24
$-12.4M
$12.0M
FCF Margin
DHIL
DHIL
NSSC
NSSC
Q4 25
-24.8%
30.1%
Q3 25
-22.2%
23.3%
Q2 25
-15.8%
28.4%
Q1 25
-30.4%
30.3%
Q4 24
38.9%
28.8%
Q3 24
46.8%
25.8%
Q2 24
52.4%
27.4%
Q1 24
-34.2%
24.3%
Capex Intensity
DHIL
DHIL
NSSC
NSSC
Q4 25
6.7%
1.2%
Q3 25
1.6%
0.4%
Q2 25
2.0%
0.5%
Q1 25
1.5%
0.1%
Q4 24
3.5%
2.6%
Q3 24
0.7%
1.5%
Q2 24
0.0%
1.1%
Q1 24
0.4%
0.7%
Cash Conversion
DHIL
DHIL
NSSC
NSSC
Q4 25
-0.71×
1.12×
Q3 25
-0.57×
0.96×
Q2 25
-0.32×
1.26×
Q1 25
-1.04×
1.32×
Q4 24
2.25×
1.29×
Q3 24
1.26×
1.08×
Q2 24
2.36×
1.06×
Q1 24
-0.94×
0.94×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DHIL
DHIL

Proprietary Funds$26.0M71%
Separately Managed Accounts$5.0M14%
Other Pooled Vehicles$2.8M8%
Administration Revenuenetofrelatedexpense$1.7M5%
Collective Investment Trusts$1.4M4%

NSSC
NSSC

Segment breakdown not available.

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