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IMSR logo
IMSR
NNE logo
NNE
OKLO logo
OKLO
KO logo
KO
SMR logo
SMR
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Stock Comparison

IMSR vs NNE vs OKLO vs KO vs SMR

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
IMSR
Terrestrial Energy Inc.

Regulated Electric

EnergyNASDAQ • US
Market Cap$625M
5Y Perf.-19.7%
NNE
Nano Nuclear Energy Inc

Industrial - Machinery

IndustrialsNASDAQ • US
Market Cap$1.04B
5Y Perf.+235.7%
OKLO
Oklo Inc.

Regulated Electric

UtilitiesNYSE • US
Market Cap$10.57B
5Y Perf.+503.2%
KO
The Coca-Cola Company

Beverages - Non-Alcoholic

Consumer DefensiveNYSE • US
Market Cap$348.25B
5Y Perf.+28.6%
SMR
NuScale Power Corporation

Renewable Utilities

UtilitiesNYSE • US
Market Cap$1.43B
5Y Perf.+21.9%

IMSR vs NNE vs OKLO vs KO vs SMR — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
IMSR logoIMSR
NNE logoNNE
OKLO logoOKLO
KO logoKO
SMR logoSMR
IndustryRegulated ElectricIndustrial - MachineryRegulated ElectricBeverages - Non-AlcoholicRenewable Utilities
Market Cap$625M$1.04B$10.57B$348.25B$1.43B
Revenue (TTM)$0.00$0.00$0.00$49.28B$19M
Net Income (TTM)$-46M$-31M$-129M$13.70B$-386M
Gross Margin61.7%22.4%
Operating Margin29.3%-38.1%
Forward P/E24.7x
Total Debt$2M$3M$1M$45.49B$0.00
Cash & Equiv.$97M$203M$788M$10.27B$836M

IMSR vs NNE vs OKLO vs KO vs SMRLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

IMSR
NNE
OKLO
KO
SMR
StockMay 24Jun 26Return
Nano Nuclear Energy… (NNE)100335.7+235.7%
Oklo Inc. (OKLO)100603.2+503.2%
The Coca-Cola Compa… (KO)100128.6+28.6%
NuScale Power Corpo… (SMR)100121.9+21.9%

Price return only. Dividends and distributions are not included.

Quick Verdict: IMSR vs NNE vs OKLO vs KO vs SMR

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: KO leads in 4 of 6 categories (5-stock set), making it the strongest pick for profitability and margin quality and dividend income and shareholder returns. Nano Nuclear Energy Inc is the stronger pick specifically for growth and revenue expansion and capital preservation and lower volatility. This set spans 3 sectors — these stocks serve different portfolio roles, not just different price points.
🥇KO emerged as the overall leader. Track its performance:
IMSR
Terrestrial Energy Inc.
The Energy Pick

IMSR plays a supporting role in this comparison — it may shine differently against other peers.

Best for: energy exposure
NNE
Nano Nuclear Energy Inc
The Income Pick

NNE is the #2 pick in this set and the best alternative if income & stability and long-term compounding is your priority.

  • beta 3.93
  • 383.2% 10Y total return vs OKLO's 309.6%
  • Lower volatility, beta 3.93, Low D/E 1.3%, current ratio 53.48x
  • Beta 3.93, current ratio 53.48x
Best for: income & stability and long-term compounding
OKLO
Oklo Inc.
The Utilities Pick

OKLO lags the leaders in this set but could rank higher in a more targeted comparison.

Best for: utilities exposure
KO
The Coca-Cola Company
The Growth Play

KO carries the broadest edge in this set and is the clearest fit for growth exposure.

  • Rev growth 1.9%, EPS growth 23.6%, 3Y rev CAGR 3.7%
  • 27.8% margin vs SMR's -20.7%
  • 2.5% yield; 56-year raise streak; the other 4 pay no meaningful dividend
  • +17.7% vs SMR's -74.9%
Best for: growth exposure
SMR
NuScale Power Corporation
The Utilities Pick

Among these 5 stocks, SMR doesn't own a clear edge in any measured category.

Best for: utilities exposure
See the full category breakdown
CategoryWinnerWhy
GrowthNNE logoNNE3.4% revenue growth vs OKLO's -125.2%
Quality / MarginsKO logoKO27.8% margin vs SMR's -20.7%
Stability / SafetyNNE logoNNEBeta 3.93 vs IMSR's 4.60
DividendsKO logoKO2.5% yield; 56-year raise streak; the other 4 pay no meaningful dividend
Momentum (1Y)KO logoKO+17.7% vs SMR's -74.9%
Efficiency (ROA)KO logoKO13.1% ROA vs SMR's -38.1%, ROIC 15.8% vs -314.7%

IMSR vs NNE vs OKLO vs KO vs SMR — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

Discover the Nuclear Energy Stocks Theme

These companies are key players in the Nuclear Energy Stocks ecosystem. See how they stack up against the rest of the sector.

Explore Theme
IMSRTerrestrial Energy Inc.

Segment breakdown not available.

NNENano Nuclear Energy Inc

Segment breakdown not available.

OKLOOklo Inc.

Segment breakdown not available.

KOThe Coca-Cola Company
FY 2025
Pacific
84.6%$31.6B
Bottling investments
15.4%$5.7B
SMRNuScale Power Corporation
FY 2025
Other
100.0%$134,000

IMSR vs NNE vs OKLO vs KO vs SMR — Financial Metrics

Side-by-side numbers across 5 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLKOLAGGINGSMR

Income & Cash Flow (Last 12 Months)

KO leads this category, winning 5 of 6 comparable metrics.

KO and OKLO operate at a comparable scale, with $49.3B and $0 in trailing revenue. KO is the more profitable business, keeping 27.8% of every revenue dollar as net income compared to SMR's -20.7%. On growth, KO holds the edge at +12.1% YoY revenue growth, suggesting stronger near-term business momentum.

MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
RevenueTrailing 12 months$0$0$0$49.3B$19M
EBITDAEarnings before interest/tax-$38M-$44M-$172M$15.5B-$711M
Net IncomeAfter-tax profit-$46M-$31M-$129M$13.7B-$386M
Free Cash FlowCash after capex-$242M-$38M-$943M$12.6B-$1.4B
Gross MarginGross profit ÷ Revenue+61.7%+22.4%
Operating MarginEBIT ÷ Revenue+29.3%-38.1%
Net MarginNet income ÷ Revenue+27.8%-20.7%
FCF MarginFCF ÷ Revenue+25.5%-74.5%
Rev. Growth (YoY)Latest quarter vs prior year+12.1%-95.8%
EPS Growth (YoY)Latest quarter vs prior year-60.3%+68.4%-167.6%+18.2%-145.5%
KO leads this category, winning 5 of 6 comparable metrics.

Valuation Metrics

Evenly matched — OKLO and KO and SMR each lead in 1 of 3 comparable metrics.
MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
Market CapShares × price$625M$1.0B$10.6B$348.2B$1.4B
Enterprise ValueMkt cap + debt − cash$530M$842M$9.8B$383.5B$589M
Trailing P/EPrice ÷ TTM EPS-19.38x-23.66x-84.36x26.62x-4.91x
Forward P/EPrice ÷ next-FY EPS est.24.75x
PEG RatioP/E ÷ EPS growth rate2.38x
EV / EBITDAEnterprise value multiple25.89x
Price / SalesMarket cap ÷ Revenue7.26x45.28x
Price / BookPrice ÷ Book value/share1.83x4.27x6.02x10.18x1.57x
Price / FCFMarket cap ÷ FCF65.76x
Evenly matched — OKLO and KO and SMR each lead in 1 of 3 comparable metrics.

Profitability & Efficiency

KO leads this category, winning 6 of 9 comparable metrics.

KO delivers a 41.1% return on equity — every $100 of shareholder capital generates $41 in annual profit, vs $-49 for SMR. OKLO carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to KO's 1.33x. On the Piotroski fundamental quality scale (0–9), KO scores 7/9 vs SMR's 0/9, reflecting strong financial health.

MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
ROE (TTM)Return on equity-23.4%-7.6%-8.6%+41.1%-48.9%
ROA (TTM)Return on assets-21.0%-7.5%-8.3%+13.1%-38.1%
ROICReturn on invested capital-18.8%-2.6%-24.7%+15.8%-3.1%
ROCEReturn on capital employed-16.7%-35.8%-15.7%+17.3%-87.8%
Piotroski ScoreFundamental quality 0–954470
Debt / EquityFinancial leverage0.01x0.01x0.00x1.33x
Net DebtTotal debt minus cash-$95M-$200M-$787M$35.2B-$836M
Cash & Equiv.Liquid assets$97M$203M$788M$10.3B$836M
Total DebtShort + long-term debt$2M$3M$1M$45.5B$0
Interest CoverageEBIT ÷ Interest expense-5.45x10.70x
KO leads this category, winning 6 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

NNE leads this category, winning 4 of 6 comparable metrics.

A $10,000 investment in NNE five years ago would be worth $48,324 today (with dividends reinvested), compared to $3,332 for IMSR. Over the past 12 months, KO leads with a +17.7% total return vs SMR's -74.9%. The 3-year compound annual growth rate (CAGR) favors NNE at 69.1% vs IMSR's -30.7% — a key indicator of consistent wealth creation.

MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
YTD ReturnYear-to-date+15.8%-9.2%-21.9%+18.6%-34.7%
1-Year ReturnPast 12 months-66.7%-27.6%-7.2%+17.7%-74.9%
3-Year ReturnCumulative with dividends-66.7%+383.2%+309.6%+42.6%+31.3%
5-Year ReturnCumulative with dividends-66.7%+383.2%+309.6%+63.1%+6.5%
10-Year ReturnCumulative with dividends-66.7%+383.2%+309.6%+118.2%+7.0%
CAGR (3Y)Annualised 3-year return-30.7%+69.1%+60.0%+12.6%+9.5%
NNE leads this category, winning 4 of 6 comparable metrics.

Risk & Volatility

KO leads this category, winning 2 of 2 comparable metrics.

KO is the less volatile stock with a -0.20 beta — it tends to amplify market swings less than IMSR's 4.60 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. KO currently trades 96.3% from its 52-week high vs SMR's 18.5% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
Beta (5Y)Sensitivity to S&P 5004.60x3.93x3.95x-0.20x4.06x
52-Week HighHighest price in past year$27.16$60.87$193.84$84.04$57.42
52-Week LowLowest price in past year$5.33$18.95$44.88$65.35$8.85
% of 52W HighCurrent price vs 52-week peak+27.8%+41.2%+31.3%+96.3%+18.5%
RSI (14)Momentum oscillator 0–10045.844.242.960.841.1
Avg Volume (50D)Average daily shares traded3.0M2.6M13.4M12.7M32.3M
KO leads this category, winning 2 of 2 comparable metrics.

Analyst Outlook

Insufficient data to determine a leader in this category.

Analyst consensus: NNE as "Buy", OKLO as "Buy", KO as "Buy", SMR as "Buy". Consensus price targets imply 99.4% upside for NNE (target: $50) vs 6.5% for KO (target: $86). KO is the only dividend payer here at 2.52% yield — a key consideration for income-focused portfolios.

MetricIMSR logoIMSRTerrestrial Energ…NNE logoNNENano Nuclear Ener…OKLO logoOKLOOklo Inc.KO logoKOThe Coca-Cola Com…SMR logoSMRNuScale Power Cor…
Analyst RatingConsensus buy/hold/sellBuyBuyBuyBuy
Price TargetConsensus 12-month target$13.50$50.00$91.50$86.13$16.17
# AnalystsCovering analysts3134816
Dividend YieldAnnual dividend ÷ price+2.5%
Dividend StreakConsecutive years of raises56
Dividend / ShareAnnual DPS$2.04
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%0.0%+0.2%0.0%
Insufficient data to determine a leader in this category.
Key Takeaway

KO leads in 3 of 6 categories (Income & Cash Flow, Profitability & Efficiency). NNE leads in 1 (Total Returns). 1 tied.

Best OverallThe Coca-Cola Company (KO)Leads 3 of 6 categories
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IMSR vs NNE vs OKLO vs KO vs SMR: Key Questions Answered

9 questions · data-driven answers · updated daily

01

Is IMSR or NNE or OKLO or KO or SMR a better buy right now?

For growth investors, The Coca-Cola Company (KO) is the stronger pick with 1.

9% revenue growth year-over-year, versus -100. 0% for Terrestrial Energy Inc. (IMSR). The Coca-Cola Company (KO) offers the better valuation at 26. 6x trailing P/E (24. 7x forward), making it the more compelling value choice. Analysts rate Nano Nuclear Energy Inc (NNE) a "Buy" — based on 3 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which is the better long-term investment — IMSR or NNE or OKLO or KO or SMR?

Over the past 5 years, Nano Nuclear Energy Inc (NNE) delivered a total return of +383.

2%, compared to -66. 7% for Terrestrial Energy Inc. (IMSR). Over 10 years, the gap is even starker: NNE returned +383. 2% versus IMSR's -66. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

03

Which is safer — IMSR or NNE or OKLO or KO or SMR?

By beta (market sensitivity over 5 years), The Coca-Cola Company (KO) is the lower-risk stock at -0.

20β versus Terrestrial Energy Inc. 's 4. 60β — meaning IMSR is approximately -2396% more volatile than KO relative to the S&P 500. On balance sheet safety, Oklo Inc. (OKLO) carries a lower debt/equity ratio of 0% versus 133% for The Coca-Cola Company — giving it more financial flexibility in a downturn.

04

Which is growing faster — IMSR or NNE or OKLO or KO or SMR?

By revenue growth (latest reported year), The Coca-Cola Company (KO) is pulling ahead at 1.

9% versus -100. 0% for Terrestrial Energy Inc. (IMSR). On earnings-per-share growth, the picture is similar: The Coca-Cola Company grew EPS 23. 6% year-over-year, compared to -200. 0% for Terrestrial Energy Inc.. Over a 3-year CAGR, SMR leads at 38. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

05

Which has better profit margins — IMSR or NNE or OKLO or KO or SMR?

The Coca-Cola Company (KO) is the more profitable company, earning 27.

3% net margin versus -1130. 3% for NuScale Power Corporation — meaning it keeps 27. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: KO leads at 28. 7% versus -21. 9% for SMR. At the gross margin level — before operating expenses — KO leads at 61. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

06

Is IMSR or NNE or OKLO or KO or SMR more undervalued right now?

Analyst consensus price targets imply the most upside for NNE: 99.

4% to $50. 00.

07

Which pays a better dividend — IMSR or NNE or OKLO or KO or SMR?

In this comparison, KO (2.

5% yield) pays a dividend. IMSR, NNE, OKLO, SMR do not pay a meaningful dividend and should not be held primarily for income.

08

Is IMSR or NNE or OKLO or KO or SMR better for a retirement portfolio?

For long-horizon retirement investors, The Coca-Cola Company (KO) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0.

20), 2. 5% yield, +118. 2% 10Y return). Terrestrial Energy Inc. (IMSR) carries a higher beta of 4. 60 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KO: +118. 2%, IMSR: -66. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

09

What are the main differences between IMSR and NNE and OKLO and KO and SMR?

These companies operate in different sectors (IMSR (Energy) and NNE (Industrials) and OKLO (Utilities) and KO (Consumer Defensive) and SMR (Utilities)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

KO pays a dividend while IMSR, NNE, OKLO, SMR do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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