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SDIIF vs MAIN: Dividend Comparison 2026

SDIIF yields 173.91% · MAIN yields 7.09%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 SDIIF wins by $6.48M in total portfolio value
10 years
SDIIF
SDIIF
● Live price
173.91%
Share price
$1.15
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$54.43M
Annual income
$25,540,526.13
Full SDIIF calculator →
MAIN
Main Street Capital Corporation
● Live price
7.09%
Share price
$51.65
Annual div
$3.66
5Y div CAGR
72.7%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$47.95M
Annual income
$40,208,699.11
Full MAIN calculator →

Portfolio growth — SDIIF vs MAIN

📍 SDIIF pulled ahead of the other in Year 1

Annual dividend income

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Recession Test — Did They Cut Dividends?

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

Crisis PeriodSDIIFMAIN
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%.
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Dividend Calendar Overlap

Combined, SDIIF + MAIN cover 0 of 12 monthsgood coverage

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

Tax Bracket Optimizer

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

SDIIF
Annual income on $10K today (after 15% tax)
$14,782.61/yr
After 10yr DRIP, annual income (after tax)
$21,709,447.21/yr
MAIN
Annual income on $10K today (after 15% tax)
$602.32/yr
After 10yr DRIP, annual income (after tax)
$34,177,394.24/yr
At 15% tax rate, MAIN beats the other by $12,467,947.03/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

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

SDIIF: 50%MAIN: 50%
100% MAIN50/50100% SDIIF
Portfolio after 10yr
$51.19M
Annual income
$32,874,612.63/yr
Blended yield
64.22%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on MAIN right now

SDIIF
No analyst data
Altman Z
4.1
Piotroski
5/9
MAIN
Analyst Ratings
2
Buy
11
Hold
Consensus: Hold
Price Target
$65.25
+26.3% 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)

SDIIF buys
0
MAIN buys
0
No recent congressional trades found for SDIIF or MAIN in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricSDIIFMAIN
Forward yield173.91%7.09%
Annual dividend / share$2.00$3.66
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%72.7%
Portfolio after 10y$54.43M$47.95M
Annual income after 10y$25,540,526.13$40,208,699.11
Total dividends collected$50.87M$46.82M
Payment frequencyquarterlymonthly
SectorStockBDC

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

YearSDIIF PortfolioSDIIF Income/yrMAIN PortfolioMAIN Income/yrGap
1← crossover$28,091$17,391.30$12,464$1,223.78+$15.6KSDIIF
2$75,716$45,658.36$16,353$2,343.58+$59.4KSDIIF
3$196,031$115,014.49$23,105$4,724.42+$172.9KSDIIF
4$488,047$278,294.64$36,226$10,256.23+$451.8KSDIIF
5$1,169,740$647,528.81$65,426$24,707.64+$1.10MSDIIF
6$2,702,070$1,450,448.98$142,101$68,562.02+$2.56MSDIIF
7$6,022,526$3,131,310.54$388,521$228,799.95+$5.63MSDIIF
8$12,966,757$6,522,654.60$1,397,868$961,169.80+$11.57MSDIIF
9$26,999,249$13,124,818.72$6,884,663$5,313,459.69+$20.11MSDIIF
10$54,429,723$25,540,526.13$47,947,060$40,208,699.11+$6.48MSDIIF

SDIIF vs MAIN: Complete Analysis 2026

SDIIFStock

SDI Group plc, through its subsidiaries, designs and manufactures scientific and technology products based on digital imaging in the United Kingdom, rest of Europe, the United States, Asia, and internationally. It operates in two segments, Digital Imaging and Sensors & Control segments. The company offers sensitive camera for life science and industrial applications under the Atik Camera brand name; cameras for art conservation under the Opus Instruments brand name; and camera that have applications in astronomy and life science fields under the Quantum Scientific Imaging brand name. It also offers precision re-circulating chiller, cooler, and heat exchanger to control the thermal environment; and supplies chemical dosing and control system for manufacturing industries. It offers off-the-shelf and custom-made electrochemical sensor for water-based applications under the Sentek name; system and software for automated gel-based DNA and protein fluorescence/chemiluminescence imaging under the G:BOX and NuGenius brands; automated and manual system for microbiological testing in various applications; ProtoCOL 3, a system that is used for vaccine and antibiotic development in pharmaceutical company; and AutoCOL, develops and manufactures a range of automated colony counting and zone sizing product. It also offers clean air solution; cooling solution; metalwork solution for commercial and industrial sector; and oven, incubator, and other temperature controlled product. It designs, manufactures, and calibration of pressure, vacuum, and gas flow measurement instrument; and flowmeter and control instrumentation; and precision micropattern product, as well as water purification product and vacuum ovens under the Cyclon Water Still and Gallenkamp vacuum ovens brands. The company was formerly known as Scientific Digital Imaging plc and changed its name to SDI Group plc in November 2019. SDI Group plc was incorporated in 2007 and is based in Cambridge, the United Kingdom.

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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.

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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.