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MGTA vs GBDC: Dividend Comparison 2026

MGTA yields 285.88% · GBDC yields 11.86%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 MGTA wins by $1076.55M in total portfolio value
10 years
MGTA
MGTA
● Live price
285.88%
Share price
$0.70
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$1097.40M
Annual income
$650,077,392.84
Full MGTA calculator →
GBDC
GBDC
● Live price
11.86%
Share price
$12.65
Annual div
$1.50
5Y div CAGR
51.1%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$20.85M
Annual income
$16,450,733.83
Full GBDC calculator →

Portfolio growth — MGTA vs GBDC

📍 MGTA 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 PeriodMGTAGBDC
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, MGTA + GBDC cover 0 of 12 monthsgood coverage

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

Tax Bracket Optimizer

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

MGTA
Annual income on $10K today (after 15% tax)
$24,299.60/yr
After 10yr DRIP, annual income (after tax)
$552,565,783.91/yr
GBDC
Annual income on $10K today (after 15% tax)
$1,007.91/yr
After 10yr DRIP, annual income (after tax)
$13,983,123.76/yr
At 15% tax rate, MGTA beats the other by $538,582,660.16/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

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

MGTA: 50%GBDC: 50%
100% GBDC50/50100% MGTA
Portfolio after 10yr
$559.13M
Annual income
$333,264,063.34/yr
Blended yield
59.60%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on GBDC right now

MGTA
Analyst Ratings
4
Buy
6
Hold
Consensus: Hold
Altman Z
-0.4
Piotroski
2/9
GBDC
Analyst Ratings
6
Buy
5
Hold
Consensus: Buy
Price Target
$14.00
+10.7% 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.
🏛️

Copy Congress — What Are Politicians Buying?

Senate & House STOCK Act disclosures (last 90 days)

MGTA buys
0
GBDC buys
0
No recent congressional trades found for MGTA or GBDC in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricMGTAGBDC
Forward yield285.88%11.86%
Annual dividend / share$2.00$1.50
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%51.1%
Portfolio after 10y$1097.40M$20.85M
Annual income after 10y$650,077,392.84$16,450,733.83
Total dividends collected$1051.82M$20.43M
Payment frequencyquarterlyquarterly
SectorStockBDC
Analyst consensusHoldBuy

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

YearMGTA PortfolioMGTA Income/yrGBDC PortfolioGBDC Income/yrGap
1← crossover$39,288$28,587.76$12,492$1,791.70+$26.8KMGTA
2$147,005$104,967.23$16,527$3,160.58+$130.5KMGTA
3$524,362$367,066.84$23,588$5,904.90+$500.8KMGTA
4$1,784,727$1,223,658.84$37,141$11,901.65+$1.75MMGTA
5$5,802,051$3,892,393.74$66,205$26,463.38+$5.74MMGTA
6$18,034,330$11,826,135.71$137,452$66,612.65+$17.90MMGTA
7$53,650,753$34,354,018.98$342,372$195,298.53+$53.31MMGTA
8$152,920,863$95,514,557.73$1,053,292$686,954.33+$151.87MMGTA
9$418,060,242$254,434,918.57$4,111,439$2,984,416.95+$413.95MMGTA
10$1,097,401,852$650,077,392.84$20,849,974$16,450,733.83+$1076.55MMGTA

MGTA vs GBDC: Complete Analysis 2026

MGTAStock

Magenta Therapeutics, Inc., a clinical-stage biotechnology company, develops medicines to bring the curative power of stem cell transplants to patients with blood cancers, genetic diseases, and autoimmune diseases. It develops MGTA-117, an anti-CD117 antibody that targets hematopoietic stem cells (HSCs) and genetically mutated stem cells that cause acute myeloid leukemia and myelodysplastic syndromes, which is under Phase I/II clinical trial; CD45-antibody drug conjugate that targets HSCs and immune cells, which is in investigational new drug application enabling studies for potential use as a single-agent in autoimmune diseases and hematology-oncology transplants; and MGTA-145 that is in Phase II clinical trial for use in autologous and allogeneic transplants. The company also has a cell therapy program, E478, which is a small molecule aryl hydrocarbon receptor antagonist for stem cell-based gene therapy and genome editing. Magenta Therapeutics, Inc. has a research and clinical collaboration agreement with AVROBIO, Inc. for the treatment of lysosomal storage disorders; and Beam Therapeutics, Inc. to evaluate the potential utility of MGTA-117 for conditioning of patients with sickle cell disease and beta-thalassemia. The company was formerly known as HSCTCo Therapeutics, Inc. and changed its name to Magenta Therapeutics, Inc. in February 2016. Magenta Therapeutics, Inc. was incorporated in 2015 and is headquartered in Cambridge, Massachusetts.

Full MGTA 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.