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Side-by-side financial comparison of STEM, INC. (STEM) and Talkspace, Inc. (TALK). Click either name above to swap in a different company.

Talkspace, Inc. is the larger business by last-quarter revenue ($63.0M vs $47.1M, roughly 1.3× STEM, INC.). Talkspace, Inc. runs the higher net margin — 7.6% vs -33.9%, a 41.5% gap on every dollar of revenue. On growth, Talkspace, Inc. posted the faster year-over-year revenue change (29.3% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 17.8%).

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.

Talkspace, Inc. is an American company that provides online and mobile therapy services. Founded in 2012 by Oren and Roni Frank, Talkspace connects users with licensed therapists and psychiatrists through web and mobile platforms. The service offers communication through text, audio, and video messaging, as well as live video sessions in some cases. The company is headquartered in New York City.

STEM vs TALK — Head-to-Head

Bigger by revenue
TALK
TALK
1.3× larger
TALK
$63.0M
$47.1M
STEM
Growing faster (revenue YoY)
TALK
TALK
+44.9% gap
TALK
29.3%
-15.6%
STEM
Higher net margin
TALK
TALK
41.5% more per $
TALK
7.6%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
17.8%
TALK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
STEM
STEM
TALK
TALK
Revenue
$47.1M
$63.0M
Net Profit
$-16.0M
$4.8M
Gross Margin
48.9%
Operating Margin
-17.7%
6.1%
Net Margin
-33.9%
7.6%
Revenue YoY
-15.6%
29.3%
Net Profit YoY
68.8%
292.5%
EPS (diluted)
$-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
STEM
STEM
TALK
TALK
Q4 25
$47.1M
$63.0M
Q3 25
$38.2M
$59.4M
Q2 25
$38.4M
$54.3M
Q1 25
$32.5M
$52.2M
Q4 24
$55.8M
$48.7M
Q3 24
$29.3M
$47.4M
Q2 24
$34.0M
$46.1M
Q1 24
$25.5M
$45.4M
Net Profit
STEM
STEM
TALK
TALK
Q4 25
$-16.0M
$4.8M
Q3 25
$-23.8M
$3.3M
Q2 25
$202.5M
$-541.0K
Q1 25
$-25.0M
$318.0K
Q4 24
$-51.1M
$1.2M
Q3 24
$-148.3M
$1.9M
Q2 24
$-582.3M
$-474.0K
Q1 24
$-72.3M
$-1.5M
Gross Margin
STEM
STEM
TALK
TALK
Q4 25
48.9%
Q3 25
35.5%
Q2 25
33.4%
Q1 25
32.4%
44.6%
Q4 24
-4.4%
44.2%
Q3 24
21.2%
45.6%
Q2 24
27.6%
45.5%
Q1 24
-95.0%
47.8%
Operating Margin
STEM
STEM
TALK
TALK
Q4 25
-17.7%
6.1%
Q3 25
-33.6%
3.7%
Q2 25
-34.8%
-3.3%
Q1 25
-65.0%
-2.1%
Q4 24
-84.4%
1.2%
Q3 24
-493.2%
0.2%
Q2 24
-1705.5%
-7.6%
Q1 24
-267.0%
-3.7%
Net Margin
STEM
STEM
TALK
TALK
Q4 25
-33.9%
7.6%
Q3 25
-62.2%
5.5%
Q2 25
527.8%
-1.0%
Q1 25
-76.9%
0.6%
Q4 24
-91.6%
2.5%
Q3 24
-506.3%
4.0%
Q2 24
-1712.6%
-1.0%
Q1 24
-283.9%
-3.2%
EPS (diluted)
STEM
STEM
TALK
TALK
Q4 25
$-4.40
Q3 25
$-2.84
$0.02
Q2 25
$-1.79
Q1 25
$-0.15
$0.00
Q4 24
$-15.29
$0.01
Q3 24
$-18.24
$0.01
Q2 24
$-71.81
$0.00
Q1 24
$-0.46
$-0.01

Balance Sheet & Financial Strength

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

Metric
STEM
STEM
TALK
TALK
Cash + ST InvestmentsLiquidity on hand
$48.9M
$37.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$-249.4M
$117.0M
Total Assets
$308.9M
$134.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
STEM
STEM
TALK
TALK
Q4 25
$48.9M
$37.4M
Q3 25
$43.1M
$39.5M
Q2 25
$40.8M
$54.3M
Q1 25
$58.6M
$60.1M
Q4 24
$56.3M
$76.7M
Q3 24
$75.4M
$119.0M
Q2 24
$89.6M
$114.9M
Q1 24
$112.8M
$120.3M
Stockholders' Equity
STEM
STEM
TALK
TALK
Q4 25
$-249.4M
$117.0M
Q3 25
$-235.7M
$109.1M
Q2 25
$-214.1M
$112.9M
Q1 25
$-417.5M
$113.4M
Q4 24
$-398.4M
$117.4M
Q3 24
$-344.1M
$117.6M
Q2 24
$-203.2M
$114.0M
Q1 24
$371.6M
$119.6M
Total Assets
STEM
STEM
TALK
TALK
Q4 25
$308.9M
$134.9M
Q3 25
$362.6M
$129.1M
Q2 25
$379.2M
$132.8M
Q1 25
$405.1M
$134.2M
Q4 24
$437.4M
$138.7M
Q3 24
$537.8M
$138.2M
Q2 24
$691.5M
$133.8M
Q1 24
$1.3B
$138.3M

Cash Flow & Capital Efficiency

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

Metric
STEM
STEM
TALK
TALK
Operating Cash FlowLast quarter
$8.2M
$5.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.13×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
STEM
STEM
TALK
TALK
Q4 25
$8.2M
$5.4M
Q3 25
$11.4M
$4.7M
Q2 25
$-21.3M
$-351.0K
Q1 25
$8.5M
$-1.2M
Q4 24
$-14.7M
$3.7M
Q3 24
$-9.4M
$6.2M
Q2 24
$-11.9M
$4.8M
Q1 24
$-621.0K
$-3.4M
Free Cash Flow
STEM
STEM
TALK
TALK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
$4.5M
Q1 24
$-3.8M
FCF Margin
STEM
STEM
TALK
TALK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
9.7%
Q1 24
-8.3%
Capex Intensity
STEM
STEM
TALK
TALK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.7%
Q1 24
0.8%
Cash Conversion
STEM
STEM
TALK
TALK
Q4 25
1.13×
Q3 25
1.46×
Q2 25
-0.11×
Q1 25
-3.90×
Q4 24
3.02×
Q3 24
3.31×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

STEM
STEM

Segment breakdown not available.

TALK
TALK

Payor Revenue$47.7M76%
Dte Revenue$11.6M18%
Consumer$3.7M6%

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