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

STEM, INC. is the larger business by last-quarter revenue ($47.1M vs $36.6M, roughly 1.3× DIAMOND HILL INVESTMENT GROUP INC). DIAMOND HILL INVESTMENT GROUP INC runs the higher net margin — 25.3% vs -33.9%, a 59.2% gap on every dollar of revenue. On growth, DIAMOND HILL INVESTMENT GROUP INC posted the faster year-over-year revenue change (-6.6% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 0.4%).

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.

StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.

DHIL vs STEM — Head-to-Head

Bigger by revenue
STEM
STEM
1.3× larger
STEM
$47.1M
$36.6M
DHIL
Growing faster (revenue YoY)
DHIL
DHIL
+9.0% gap
DHIL
-6.6%
-15.6%
STEM
Higher net margin
DHIL
DHIL
59.2% more per $
DHIL
25.3%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
0.4%
DHIL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DHIL
DHIL
STEM
STEM
Revenue
$36.6M
$47.1M
Net Profit
$9.3M
$-16.0M
Gross Margin
48.9%
Operating Margin
16.9%
-17.7%
Net Margin
25.3%
-33.9%
Revenue YoY
-6.6%
-15.6%
Net Profit YoY
25.3%
68.8%
EPS (diluted)
$3.42
$-4.40

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
STEM
STEM
Q4 25
$36.6M
$47.1M
Q3 25
$37.4M
$38.2M
Q2 25
$36.0M
$38.4M
Q1 25
$37.1M
$32.5M
Q4 24
$39.1M
$55.8M
Q3 24
$39.0M
$29.3M
Q2 24
$36.7M
$34.0M
Q1 24
$36.3M
$25.5M
Net Profit
DHIL
DHIL
STEM
STEM
Q4 25
$9.3M
$-16.0M
Q3 25
$13.6M
$-23.8M
Q2 25
$15.6M
$202.5M
Q1 25
$10.4M
$-25.0M
Q4 24
$7.4M
$-51.1M
Q3 24
$14.6M
$-148.3M
Q2 24
$8.1M
$-582.3M
Q1 24
$13.0M
$-72.3M
Gross Margin
DHIL
DHIL
STEM
STEM
Q4 25
48.9%
Q3 25
35.5%
Q2 25
33.4%
Q1 25
32.4%
Q4 24
-4.4%
Q3 24
21.2%
Q2 24
27.6%
Q1 24
-95.0%
Operating Margin
DHIL
DHIL
STEM
STEM
Q4 25
16.9%
-17.7%
Q3 25
26.0%
-33.6%
Q2 25
21.6%
-34.8%
Q1 25
35.2%
-65.0%
Q4 24
33.8%
-84.4%
Q3 24
26.2%
-493.2%
Q2 24
33.1%
-1705.5%
Q1 24
22.9%
-267.0%
Net Margin
DHIL
DHIL
STEM
STEM
Q4 25
25.3%
-33.9%
Q3 25
36.2%
-62.2%
Q2 25
43.2%
527.8%
Q1 25
27.9%
-76.9%
Q4 24
18.9%
-91.6%
Q3 24
37.5%
-506.3%
Q2 24
22.2%
-1712.6%
Q1 24
35.9%
-283.9%
EPS (diluted)
DHIL
DHIL
STEM
STEM
Q4 25
$3.42
$-4.40
Q3 25
$4.99
$-2.84
Q2 25
$5.73
$-1.79
Q1 25
$3.77
$-0.15
Q4 24
$2.76
$-15.29
Q3 24
$5.35
$-18.24
Q2 24
$2.93
$-71.81
Q1 24
$4.62
$-0.46

Balance Sheet & Financial Strength

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

Metric
DHIL
DHIL
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$48.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$176.4M
$-249.4M
Total Assets
$260.4M
$308.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DHIL
DHIL
STEM
STEM
Q4 25
$48.9M
Q3 25
$43.1M
Q2 25
$40.8M
Q1 25
$58.6M
Q4 24
$41.6M
$56.3M
Q3 24
$75.4M
Q2 24
$89.6M
Q1 24
$112.8M
Stockholders' Equity
DHIL
DHIL
STEM
STEM
Q4 25
$176.4M
$-249.4M
Q3 25
$180.9M
$-235.7M
Q2 25
$171.6M
$-214.1M
Q1 25
$168.6M
$-417.5M
Q4 24
$162.3M
$-398.4M
Q3 24
$166.5M
$-344.1M
Q2 24
$156.5M
$-203.2M
Q1 24
$158.3M
$371.6M
Total Assets
DHIL
DHIL
STEM
STEM
Q4 25
$260.4M
$308.9M
Q3 25
$256.3M
$362.6M
Q2 25
$261.0M
$379.2M
Q1 25
$224.4M
$405.1M
Q4 24
$245.1M
$437.4M
Q3 24
$240.8M
$537.8M
Q2 24
$213.1M
$691.5M
Q1 24
$209.1M
$1.3B

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
STEM
STEM
Operating Cash FlowLast quarter
$-6.6M
$8.2M
Free Cash FlowOCF − Capex
$-9.1M
FCF MarginFCF / Revenue
-24.8%
Capex IntensityCapex / Revenue
6.7%
Cash ConversionOCF / Net Profit
-0.71×
TTM Free Cash FlowTrailing 4 quarters
$-34.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DHIL
DHIL
STEM
STEM
Q4 25
$-6.6M
$8.2M
Q3 25
$-7.7M
$11.4M
Q2 25
$-5.0M
$-21.3M
Q1 25
$-10.7M
$8.5M
Q4 24
$16.6M
$-14.7M
Q3 24
$18.5M
$-9.4M
Q2 24
$19.2M
$-11.9M
Q1 24
$-12.3M
$-621.0K
Free Cash Flow
DHIL
DHIL
STEM
STEM
Q4 25
$-9.1M
Q3 25
$-8.3M
Q2 25
$-5.7M
Q1 25
$-11.3M
Q4 24
$15.2M
Q3 24
$18.3M
Q2 24
$19.2M
Q1 24
$-12.4M
FCF Margin
DHIL
DHIL
STEM
STEM
Q4 25
-24.8%
Q3 25
-22.2%
Q2 25
-15.8%
Q1 25
-30.4%
Q4 24
38.9%
Q3 24
46.8%
Q2 24
52.4%
Q1 24
-34.2%
Capex Intensity
DHIL
DHIL
STEM
STEM
Q4 25
6.7%
Q3 25
1.6%
Q2 25
2.0%
Q1 25
1.5%
Q4 24
3.5%
Q3 24
0.7%
Q2 24
0.0%
Q1 24
0.4%
Cash Conversion
DHIL
DHIL
STEM
STEM
Q4 25
-0.71×
Q3 25
-0.57×
Q2 25
-0.32×
-0.11×
Q1 25
-1.04×
Q4 24
2.25×
Q3 24
1.26×
Q2 24
2.36×
Q1 24
-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%

STEM
STEM

Segment breakdown not available.

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