HomeCompareISO vs MAIN

ISO vs MAIN: Dividend Comparison 2026

ISO yields 262.61% · MAIN yields 6.91%● Live data

vsPost on X →
After 10 years · $10,000 invested · DRIP enabled
🏆 ISO wins by $587.71M in total portfolio value
10 years
ISO
ISO
● Live price
262.61%
Share price
$0.76
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$630.59M
Annual income
$360,525,279.87
Full ISO calculator →
MAIN
Main Street Capital Corporation
● Live price
6.91%
Share price
$52.96
Annual div
$3.66
5Y div CAGR
72.7%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$42.89M
Annual income
$35,818,348.00
Full MAIN calculator →

Portfolio growth — ISO vs MAIN

📍 ISO pulled ahead of the other in Year 1

Annual dividend income

🛡️

Recession Test — Did They Cut Dividends?

How each stock treated shareholders during the 3 biggest crises of the last 20 years

Crisis PeriodISOMAIN
2008–2009
GFC
— No data— No data
2020 Q1–Q2
COVID
— No data— No data
2022 Q4
Rate Hike
— No data— No data
Based on dividend payment history. "Increased" = dividend grew during crisis. "Maintained" = held within 3%. "Cut" = reduced by more than 3%.
📅

Dividend Calendar Overlap

Combined, ISO + MAIN cover 0 of 12 monthsgood coverage

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
ISO pays
MAIN pays
Both pay
Neither
💰

Tax Bracket Optimizer

Which stock is actually better after tax? Adjust your rate to find out.

ISO
Annual income on $10K today (after 15% tax)
$22,321.43/yr
After 10yr DRIP, annual income (after tax)
$306,446,487.89/yr
MAIN
Annual income on $10K today (after 15% tax)
$587.42/yr
After 10yr DRIP, annual income (after tax)
$30,445,595.80/yr
At 15% tax rate, ISO beats the other by $276,000,892.09/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

What's the optimal mix of ISO + MAIN for your $10,000?

ISO: 50%MAIN: 50%
100% MAIN50/50100% ISO
Portfolio after 10yr
$336.74M
Annual income
$198,171,813.94/yr
Blended yield
58.85%
📊

Analyst Conviction Gap

Where Wall Street is split right now

ISO
Analyst Ratings
2
Buy
2
Hold
Consensus: Buy
Altman Z
-5.0
Piotroski
1/9
MAIN
Analyst Ratings
2
Buy
11
Hold
Consensus: Hold
Price Target
$65.25
+23.2% upside vs current
Range: $60.00 — $70.00
Altman Z
1.7
Piotroski
5/9
Analyst ratings via FMP. Altman Z-Score: >3.0 safe, 1.81–3.0 grey zone, <1.81 distress. Piotroski: 7–9 strong, 0–3 weak.
🏛️

Copy Congress — What Are Politicians Buying?

Senate & House STOCK Act disclosures (last 90 days)

ISO buys
0
MAIN buys
0
No recent congressional trades found for ISO or MAIN in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricISOMAIN
Forward yield262.61%6.91%
Annual dividend / share$2.00$3.66
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%72.7%
Portfolio after 10y$630.59M$42.89M
Annual income after 10y$360,525,279.87$35,818,348.00
Total dividends collected$602.26M$41.85M
Payment frequencyquarterlymonthly
SectorStockBDC
Analyst consensusBuyHold

Year-by-year: ISO vs MAIN ($10,000, DRIP)

YearISO PortfolioISO Income/yrMAIN PortfolioMAIN Income/yrGap
1← crossover$36,961$26,260.50$12,434$1,193.51+$24.5KISO
2$130,258$90,710.42$16,255$2,280.05+$114.0KISO
3$438,149$298,772.37$22,851$4,580.08+$415.3KISO
4$1,408,052$939,232.60$35,577$9,892.59+$1.37MISO
5$4,327,508$2,820,892.40$63,653$23,664.70+$4.26MISO
6$12,732,989$8,102,555.47$136,601$65,054.52+$12.60MISO
7$35,905,096$22,280,798.19$368,044$214,504.02+$35.54MISO
8$97,136,649$58,718,196.61$1,301,668$887,987.40+$95.83MISO
9$252,398,437$148,462,222.43$6,288,483$4,825,407.47+$246.11MISO
10$630,591,608$360,525,279.87$42,886,603$35,818,348.00+$587.71MISO

ISO vs MAIN: Complete Analysis 2026

ISOStock

IsoPlexis Corporation, a life sciences company, provides solutions for the development of curative medicines and personalized therapeutics in the United States, Canada, the United Kingdom, Belgium, France, the Czech Republic, Spain, Germany, Sweden, Italy, Israel, Switzerland, China and Taiwan, Singapore, Japan, Australia, and Korea. The company offers single cell proteomics platform, including instruments, chip consumables, and software that provides an end-to-end solution to view of protein function at an individual cellular level. It provides IsoLight and IsoSpark instruments; IsoCode chips that offer multiplexed chip solutions for single cell functional proteomics; CodePlex chips that provide multiplexed solutions for ultra-low volume bulk samples; and IsoSpeak software that offers dimensional data and automates analysis with an intuitive push button user interface to deliver same day single cell and bulk proteome visualizations, as well as research support and services, and post-warranty services. The company was incorporated in 2013 and is based in Branford, Connecticut.

Full ISO Calculator →

MAINBDC

Main Street Capital Corporation is a business development company specializes in equity capital to lower middle market companies. The firm specializing in recapitalizations, management buyouts, refinancing, family estate planning, management buyouts, refinancing, industry consolidation, mature, later stage emerging growth. The firm also provides debt capital to middle market companies for acquisitions, management buyouts, growth financings, recapitalizations and refinancing. The firm seeks to partner with entrepreneurs, business owners and management teams and generally provides one stop financing alternatives within its lower middle market portfolio. It prefers to invest in air freight and logistics, auto components, building products, chemicals, commercial services, computers, construction and engineering, consumer finance, consumer services, electronic equipment, energy equipment and services, financial services, health care equipment, health care providers, hotels, restaurants, and leisure, internet software and services, IT Services, machinery, oil, gas and consumable fuels, paper and forest products, professional and industrial services, road and rail, software, specialty retail, telecommunication, consumer discretionary, energy, materials, technology, and transportation. The firm typically invests in lower middle market companies generally with annual revenues between $5 million and $300 million. It prefers to invest in ranging between $2 million and $75 million in equity investment and enterprise value in ranging between $3 million and $20 million. The firm typically prefers to invest in the range of $5 million and $50 million per transaction in debt investment value and in the range of $1 million and $20 million in annual EBITDA. The firm's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies. It takes 5 percent minority and up to 50 percent majority equity investments. Main Street Capital Corporation was founded in 2007 and is based in Houston, Texas with an additional office in Chojnów, Poland.

Full MAIN Calculator →
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⚠️ Educational purposes only. Not financial advice. Congressional trades sourced from SEC STOCK Act filings via FMP. Past performance does not guarantee future results.