XBI · State Street

State Street SPDR S&P Biotech ETF

Name: XBI (State Street SPDR S&P Biotech ETF) look-through valuation
Creator: ratio/fox
License: https://ratiofox.com/data-licence/v1

See how 149 reported holdings combine into this ETF’s P/E and P/S. Market value, signed ordinary earnings and revenue are added before each ratio is calculated.

Holdings dated 21 August 2026Price US$163.66 as of 24 August 2026Coverage limitations apply

Core valuation

Trailing P/E-18.01×93.70% of 99.88% disclosed weight

Latest-quarter run-rate P/E-13.67×96.78% of 99.88% disclosed weight

Trailing P/S7.87×67.08% of 99.88% disclosed weight

Latest-quarter run-rate P/S7.71×66.90% of 99.88% disclosed weight

Coverage is the share of positive eligible-equity holding value represented in each metric. The published holdings account for 99.88% of fund weight. The reliability standard requires at least 90.00% disclosed fund weight and metric coverage, with no individual uncovered holding above 1.00%.

Largest reported holdings

Holding	Weight	Trailing P/E	Trailing P/S
MRNAMODERNA INC	2.85%	-18.03×	25.88×
TWSTTWIST BIOSCIENCE CORP	1.94%	-111.55×	22.14×
ORKAORUKA THERAPEUTICS INC	1.52%	-56.01×	Unavailable
APGEAPOGEE THERAPEUTICS INC	1.47%	-34.19×	Unavailable
PRAXPRAXIS PRECISION MEDICINES I	1.41%	-32.10×	Unavailable
HALOHALOZYME THERAPEUTICS INC	1.38%	36.78×	8.51×
NTRANATERA INC	1.38%	-210.11×	19.01×
KYMRKYMERA THERAPEUTICS INC	1.38%	-31.28×	191.44×
PTGXPROTAGONIST THERAPEUTICS INC	1.32%	-86.52×	134.00×
DNTHDIANTHUS THERAPEUTICS INC	1.31%	-34.97×	2983.01×

Top 10 of 149 reported holdings. * A holding uses its latest full-year result only when both trailing and latest-quarter inputs are unavailable; open the stock for the exact year end.

Most similar funds

Ranked by shared weight across matching disclosed company holdings and explicitly reported same-currency cash.

IBB · iShares Biotechnology ETF41.42% holdings overlap · US market
PTH · Invesco Dorsey Wright Healthcare Momentum ETF24.84% holdings overlap · US market
BMED · iShares Health Innovation Active ETF20.78% holdings overlap · NYSE Arca
IBBQ · Invesco Nasdaq Biotechnology ETF20.26% holdings overlap · US market
PBE · Invesco Biotechnology & Genome ETF20.26% holdings overlap · US market

Sources and limitations

Holdings are sourced from State Street and company financial inputs retain primary-source links. Monetary values are normalised to USD. Corporate actions, reporting lags, unmapped securities and cash can create differences from provider figures.

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Research holdings date: 21 August 2026. Informational research, not investment advice.

about

If your portfolio was one company, what would its P/E and P/S be?

Fund P/E figures published by issuers are often simplified.

One major issuer describes portfolio P/E as the weighted average price/earnings ratio of the stocks it holds.

This approach can exclude loss-making companies, causing the reported P/E to appear lower and the portfolio to look more attractively valued than when all holdings’ signed earnings are combined.

ratio/fox treats each ETF, mutual fund, or portfolio as one large conglomerate made up of its holdings. It combines their market values, signed earnings, and sales before calculating P/E and P/S. Loss-making companies reduce total earnings, while missing inputs reduce the reported coverage rather than being treated as zero.

The result is a consistent look-through valuation of the entire basket, with trailing and latest-quarter run-rate figures shown separately.

Public research pages may be cached for up to five minutes, so a newly published price or filing can take that long to appear.

How much of each company do you really own?

A company may appear in several ETFs and mutual funds while also being held directly. ratio/fox looks through every route, calculates each effective position, and combines matching companies. Instead of separate line items, you see your total exposure to the underlying company.

How much of one fund do you already own through another?

Every ETF and mutual-fund page ranks the 25 most similar funds by shared portfolio weight. Matching companies and explicitly reported same-currency cash count toward overlap; unknown positions do not. See whether a new fund genuinely broadens your portfolio or mainly adds more of the companies you already own.

Which investments appear in public discovery?

Public API lists, browse pages, and sitemaps share the same research-ready universe. ETF and mutual-fund discovery requires an official holdings source and at least one disclosed holding. Stock discovery requires a positive locally supported market capitalisation. Direct detail lookups may still resolve identity-only audit rows; those pages show a clear unavailable state and are marked noindex until usable research data arrives.

Data quality

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Read-only summaries of registered users' portfolios
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Core valuation readiness

Core valuation readiness by metric, priority, and coverage
metric	priority	stock coverage	weight	most missing fields

ETF coverage

ETF coverage by holdings, mapping gaps, mapped weight, and P/E/P/S inputs
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Mutual fund coverage

Mutual fund share-class, holdings, and Core valuation coverage
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ratio/fox calculates each stock’s real P/E and P/S from its latest reported earnings and revenue

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Stocks with P/E and P/S valuation and source details
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ratio/fox calculates each portfolio's real P/E and P/S as if it was one single company.

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ratio/fox calculates each ETF’s real P/E and P/S as if it was one single company.

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ETF valuation

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Holdings

ETF, mutual-fund, or portfolio holdings with units, weights, values, USD inputs, and P/E/P/S
holding	exchange	units	weight	value	current price	market cap	earnings	forward earnings	revenue	forward revenue	P/E · trailing	P/E · quarter	company forward P/E	P/S · trailing	P/S · quarter	company forward P/S	actions

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Most similar funds

Shared weight is the sum of the smaller matching position in each fund. Explicit same-currency cash counts; missing or unresolved positions do not.

The 25 ETFs and mutual funds with the greatest shared portfolio weight
identifier	name	listed in	overlap (%)

Look-through stocks

Portfolio ETF, mutual-fund, and stock holdings expanded into underlying stocks with weights, values, USD inputs, and P/E/P/S
holding	exchange	units	weight	value	current price	market cap	earnings	forward earnings	revenue	forward revenue	P/E · trailing	P/E · quarter	company forward P/E	P/S · trailing	P/S · quarter	company forward P/S

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Trading listings

One company and one set of fundamentals, available through these exchange instruments.

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ticker	market	instrument	underlying ratio

ETF and mutual-fund exposure

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State Street SPDR S&P Biotech ETF

Core valuation

Largest reported holdings

Most similar funds

Sources and limitations

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about

If your portfolio was one company, what would its P/E and P/S be?

How much of each company do you really own?

How much of one fund do you already own through another?

Which investments appear in public discovery?

Data quality

Registered users

User portfolios

Core valuation readiness

ETF coverage

Mutual fund coverage

Open data-quality issues

stocks

portfolios

Browser portfolios

New portfolio

ETFs

mutual funds

ETF valuation

eight reported quarters

This detail is unavailable

Included portfolios

Holdings

Most similar funds

Look-through stocks

Trading listings

ETF and mutual-fund exposure

State Street SPDR S&P Biotech ETF

Core valuation

Largest reported holdings

Most similar funds

Sources and limitations

Open ratio/fox through a web server

about

If your portfolio was one company, what would its P/E and P/S be?

How much of each company do you really own?

How much of one fund do you already own through another?

Which investments appear in public discovery?

Data quality

Registered users

User portfolios

Core valuation readiness

ETF coverage

Mutual fund coverage

Open data-quality issues

stocks

portfolios

Portfolio account

Browser portfolios

New portfolio

ETFs

mutual funds

ETF valuation

eight reported quarters

This detail is unavailable

Included portfolios

Holdings

Most similar funds

Look-through stocks

Trading listings

ETF and mutual-fund exposure