Which is better, MKTX or SEIC?

On the Buffett-Fit framework, SEI Investments Company (SEIC) currently grades higher than MKTX — 63/100 (C grade) vs 72/100 (B). That said, "better" depends on which framework you trust — MKTX wins on Warren Buffett, Benjamin Graham, and Terry Smith; SEIC wins on Philip Fisher, Peter Lynch, and Joel Greenblatt. The full pillar breakdown is on this page.

Should I buy MKTX or SEIC?

This page is an educational comparison, not investment advice. Both MKTX and SEIC are graded against the same Buffett 5-pillar framework (moat, earnings durability, management quality, financial health, valuation) plus six other documented investor frameworks. Read the side-by-side breakdown to see which one matches the criteria you care about most — and always do your own research before making any investment decision.

Is MKTX better than SEIC for value investing?

On the Buffett-style value-investing framework, SEIC currently grades higher — 72/100 vs 63/100, a 9-point gap. The gap is driven by which pillars each stock passes; the table on this page shows moat, durability, management, financial health, and valuation side-by-side.

What's the difference between MKTX and SEIC on Warren Buffett's framework?

Both stocks are evaluated on the same five pillars: economic moat (durable competitive advantage), earnings durability (consistent profitability), management quality (capital allocation), financial health (conservative balance sheet), and valuation (margin of safety). MKTX currently scores 72/100 (B grade); SEIC scores 63/100 (C grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, MKTX or SEIC?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. MKTX and SEIC are each scored on ROIC sustainability, gross-margin durability, and qualitative signals like brand strength, switching costs, network effects, and regulatory barriers. The pillar breakdown on this page shows the moat sub-score side-by-side so you can see which one has the more durable competitive advantage.

Which is more undervalued, MKTX or SEIC?

Valuation is one of the five Buffett-Fit pillars on this page. Both stocks are scored on owner-earnings yield, price-to-intrinsic-value vs the underlying compounding rate, and the margin of safety relative to a conservative DCF. The valuation sub-score in the table below tells you which one currently trades at a more attractive price relative to its underlying business quality.

Are MKTX and SEIC both Financial Services stocks?

Yes — both MarketAxess Holdings Inc. (MKTX) and SEI Investments Company (SEIC) operate in the Financial Services sector. That makes this a direct sector-peer comparison, which is the apples-to-apples way to use the Buffett-Fit framework: the score weighs each stock against its sector's specific quality and valuation benchmarks (sector-relative bonus), so the cross-stock comparison isn't distorted by inter-sector base-rate differences.

Is this MKTX vs SEIC comparison investment advice?

No. This page is an educational pattern-match against documented public frameworks (Buffett, Graham, Fisher, Lynch, Greenblatt, Munger, Smith), not personalised investment advice. The scores reflect how closely each stock matches each framework's documented criteria — they are not buy/hold/sell recommendations. Always do your own research and consult a licensed financial adviser for personalised advice.

Stock comparison

MarketAxess Holdings

SEI Investments

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

MKTX

Market cap

$4.87B

Sector

Financials

SEIC

SEI Investments

Market cap

$10.89B

Sector

Financials

Overall winner

SEI Investments SEIC

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Fit scores by strategy

Strategy	MKTX	SEIC	Winner
Warren Buffett	72B	63C	MKTX
Benjamin Graham	73B	69B	MKTX
Philip Fisher

Side-by-side metrics

Metric	MKTX	SEIC
Market cap	$4.87B	$10.89B
P/E (TTM)	15.8x	14.9x
EV/EBIT	13.7x	16.9x
ROIC (TTM)	12.93%	17.1%
Gross margin	70.47%	60.34%
Net margin	35.34%	31.17%
Revenue CAGR 5y	4.91%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

MKTX leads on

Dividend yield2.21%vs 1.12%+50%
EV/EBIT13.7xvs 16.9x+19%
Gross margin70.47%vs 60.34%+14%
Net margin35.34%vs 31.17%

More like MKTX

MKTX vs MSCI MKTX vs V MKTX vs MA MKTX vs PLMR MKTX vs TW MKTX vs NMIH

More like SEIC

SEIC vs MSCI

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.