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IGMS vs GBDC: Dividend Comparison 2026

IGMS yields 157.48% · GBDC yields 11.85%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 IGMS wins by $11.31M in total portfolio value
10 years
IGMS
IGMS
● Live price
157.48%
Share price
$1.27
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$32.08M
Annual income
$14,264,590.95
Full IGMS calculator →
GBDC
GBDC
● Live price
11.85%
Share price
$12.66
Annual div
$1.50
5Y div CAGR
51.1%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$20.78M
Annual income
$16,389,263.41
Full GBDC calculator →

Portfolio growth — IGMS vs GBDC

📍 IGMS 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 PeriodIGMSGBDC
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, IGMS + GBDC cover 0 of 12 monthsgood coverage

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
IGMS pays
GBDC pays
Both pay
Neither
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Tax Bracket Optimizer

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

IGMS
Annual income on $10K today (after 15% tax)
$13,385.83/yr
After 10yr DRIP, annual income (after tax)
$12,124,902.31/yr
GBDC
Annual income on $10K today (after 15% tax)
$1,007.11/yr
After 10yr DRIP, annual income (after tax)
$13,930,873.90/yr
At 15% tax rate, GBDC beats the other by $1,805,971.59/year in after-tax income after 10 years on $10,000
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Lazy Portfolio Split Optimizer

What's the optimal mix of IGMS + GBDC for your $10,000?

IGMS: 50%GBDC: 50%
100% GBDC50/50100% IGMS
Portfolio after 10yr
$26.43M
Annual income
$15,326,927.18/yr
Blended yield
57.99%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on IGMS right now

IGMS
Analyst Ratings
8
Buy
10
Hold
Consensus: Hold
Price Target
$16.79
+1222.0% upside vs current
Range: $1.50 — $31.00
Altman Z
-3.8
Piotroski
3/9
GBDC
Analyst Ratings
6
Buy
5
Hold
Consensus: Buy
Price Target
$14.00
+10.6% upside vs current
Range: $13.00 — $15.00
Altman Z
0.6
Piotroski
6/9
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.
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Copy Congress — What Are Politicians Buying?

Senate & House STOCK Act disclosures (last 90 days)

IGMS buys
0
GBDC buys
2
PoliticianChamberTickerTypeAmountDate
David P. Joyce🏢 House$GBDC▼ Sell$1,001 - $15,0002023-06-30
David P. Joyce🏢 House$GBDC▼ Sell$15,001 - $50,0002023-06-19
David P. Joyce🏢 House$GBDC▼ Sell$15,001 - $50,0002022-07-14
David P. Joyce🏢 House$GBDC▼ Sell$15,001 - $50,0002022-07-12
Teresa Leger Fernandez🏢 House$GBDC▼ Sell$15,001 - $50,0002021-01-20
David P. Joyce🏢 House$GBDC▲ Buy$1,001 - $15,0002020-02-25
David P. Joyce🏢 House$GBDC▲ Buy$15,001 - $50,0002019-05-30
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricIGMSGBDC
Forward yield157.48%11.85%
Annual dividend / share$2.00$1.50
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%51.1%
Portfolio after 10y$32.08M$20.78M
Annual income after 10y$14,264,590.95$16,389,263.41
Total dividends collected$29.79M$20.36M
Payment frequencyquarterlyquarterly
SectorStockBDC
Analyst consensusHoldBuy
Analyst price target$16.79$14.00

Year-by-year: IGMS vs GBDC ($10,000, DRIP)

YearIGMS PortfolioIGMS Income/yrGBDC PortfolioGBDC Income/yrGap
1← crossover$26,448$15,748.03$12,490$1,790.28+$14.0KIGMS
2$67,225$38,925.65$16,522$3,157.73+$50.7KIGMS
3$164,398$92,467.65$23,578$5,898.68+$140.8KIGMS
4$387,242$211,335.59$37,115$11,886.75+$350.1KIGMS
5$879,585$465,236.23$66,136$26,423.57+$813.4KIGMS
6$1,928,765$987,609.46$137,257$66,491.44+$1.79MIGMS
7$4,087,744$2,023,965.18$341,734$194,868.54+$3.75MIGMS
8$8,382,771$4,008,884.54$1,050,788$685,133.02+$7.33MIGMS
9$16,652,792$7,683,226.74$4,099,314$2,974,971.01+$12.55MIGMS
10$32,083,078$14,264,590.95$20,775,530$16,389,263.41+$11.31MIGMS

IGMS vs GBDC: Complete Analysis 2026

IGMSStock

IGM Biosciences, Inc., a biotechnology company, develops Immunoglobulin M (IgM) antibodies for the treatment of cancer, infectious diseases, and autoimmune and inflammatory diseases. The company's lead product candidate is IGM-2323, a bispecific IgM antibody that is in Phase 2 clinical trials to treat patients with relapsed/refractory B cell Non-Hodgkin's lymphoma (NHL). It is also developing IGM-8444, an IgM antibody, which is in Phase 1 clinical trials for the treatment of patients with solid cancers; and IGM-7354, an anti-PD-L1 IgM antibody for the treatment of patients with solid and hematologic malignancies; IGM-2644, a bispecific T cell engaging IgM antibody targeting CD38 and CD3 proteins for the treatment of patients with multiple myeloma; and IGM-2537, a bispecific T cell engaging IgM antibody targeting CD123 and CD3 proteins for the treatment of patients with acute myeloid leukemia, myelodysplastic syndromes, and acute lymphoblastic leukemia. It has a collaboration and license agreement with Genzyme Corporation to generate, develop, manufacture, and commercialize IgM antibodies. The company was formerly known as Palingen, Inc. and changed its name to IGM Biosciences, Inc. in 2010. IGM Biosciences, Inc. was incorporated in 1993 and is headquartered in Mountain View, California.

Full IGMS Calculator →

GBDCBDC

Golub Capital BDC, Inc. (GBDC) is a business development company and operates as an externally managed closed-end non-diversified management investment company. It invests in debt and minority equity investments in middle-market companies that are, in most cases, sponsored by private equity investors. It typically invests in diversified consumer services, automobiles, healthcare technology, insurance, health care equipment and supplies, hotels, restaurants and leisure, healthcare providers and services, IT services and specialty retails. It seeks to invest in the United States. It primarily invests in first lien traditional senior debt, first lien one stop, junior debt and equity, senior secured, one stop, unitranche, second lien, subordinated and mezzanine loans of middle-market companies, and warrants.

Full GBDC 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.