Key takeaways
– The FT Wilshire 5000 Index (FTW5000) is a market-capitalization–weighted index intended to represent essentially the entire U.S. investible equity market.
– It includes most U.S. equities with readily available prices; very thinly traded or bulletin-board issues are excluded.
– As a total-market index, it is broader than the S&P 500 or Dow Jones Industrial Average and is commonly used as a “market” benchmark for the full U.S. equity market.
– The index was rebranded from the Wilshire 5000 Total Market Index (TMWX) to FT Wilshire 5000 on June 30, 2021, as part of Wilshire’s partnership with The Financial Times.
– Practical uses include serving as a core allocation for long-term investors and a benchmark for broad-market funds; investors should be aware of sector and large-cap concentration risks and of alternatives (CRSP, Russell 3000, Dow Jones U.S. Total Market).
Understanding the FT Wilshire 5000 Index (FTW5000)
What it is
– The FTW5000 is a broad-based index designed to capture 100% of the U.S. investible equity market (subject to exclusions for extremely illiquid issues). It is market-cap weighted: larger companies have proportionally larger weights.
Constituents and scope
– The index originally referenced “about 5,000” stocks at launch (hence the name). At its peak it had more than 7,500 names; as of Dec. 31, 2021, it contained 3,687 securities.
– Inclusion criteria: U.S.-listed equities with readily available prices. Extremely thinly traded and certain bulletin-board securities are excluded.
Weighting and sector exposure
– Market-cap weighting means the index naturally overweights the largest firms and underweights smaller firms on a dollar-weighted basis.
– As of Dec. 31, 2021, sector weights were concentrated in information technology (~28%), health care (~13%), and consumer discretionary (~13%), illustrating that “total market” exposure can still produce material sector concentrations.
Why it matters
– Breadth: Because it covers nearly the entire investible U.S. equity market, the FTW5000 is useful as a comprehensive market benchmark.
– Benchmarking: Asset managers and investors use total-market indices to evaluate active managers, construct core passive allocations, and design investment products.
– Historical perspective: The index captures returns from all market-cap segments (mega-, large-, mid-, small-, micro-cap), so it reflects market cycles that affect smaller-cap stocks differently than the large-cap-focused indices.
Special considerations (what to watch for)
– Large-cap concentration: Market-cap weighting frequently produces a heavy tilt to the biggest companies. The index’s performance can therefore be driven by a relatively small number of very large companies and sectors.
– Liquidity and survivorship: Extremely illiquid or non-price-available issues are excluded; changes in the number of constituents over time affect the index’s composition.
– Corporate actions and divisor adjustments: Stock splits, mergers, spinoffs and other corporate events require divisor changes, which change the mapping between total market cap and index points.
– Tracking vs. investability: No retail investor directly “owns” the index — to get FTW5000-like exposure you must invest in funds that track it or in funds that track other total-market indexes with slightly different constituents and rules.
– Differences across “total market” indices: Different index providers have different inclusion rules and methodologies, so funds tracking the FT Wilshire 5000, CRSP U.S. Total Market, Russell 3000, or Dow Jones U.S. Total Market will not be identical.
History of the FT Wilshire 5000 Index (high-level timeline)
– 1974: Wilshire Associates establishes what became known as the Wilshire 5000.
– Dec. 31, 1980 (base date): Index value = 1,404.60 points (each index point then represented roughly $1 billion in market cap; divisor changes have modified the direct relationship since).
– March 24, 2000: Closed at a record high then of 14,751.64 points (technology-driven bull market).
– April–Oct. 2007: New highs through Oct. 9, 2007, when the index peaked at 15,806.69 points prior to the 2007–2009 financial crisis.
– March 9, 2009: Index bottomed at 6,858.43 points during the Great Recession.
– Feb.–Mar. 2014: First intraday close over 20,000 on Feb. 28, 2014, and first close above 20,000 on March 4, 2014; closed above 21,000 on July 1, 2014.
– June 30, 2021: Rebranded to FT Wilshire 5000 as part of Wilshire’s partnership with The Financial Times.
– As of Feb. 1, 2022: The index traded near all-time high levels (over 45,000 per the cited data).
Other broad market indexes (comparisons)
– CRSP U.S. Total Market Index: Another widely cited total-market index with nearly 4,000 holdings covering megacap to microcap securities.
– Russell 3000 Index (FTSE Russell): Tracks the 3,000 largest U.S.-traded stocks and represents about 98% of U.S. incorporated equity securities; market-cap weighted.
– Dow Jones U.S. Total Market Index (Dow Jones Indexes): Broad market-cap weighted U.S. equity index with its own inclusion rules and methodology.
– Practical implication: Funds labeled “total market” may track different indexes; check the underlying index to know exactly what you own.
Practical steps for investors — how to use and access FTW5000-style exposure
1. Define your objective
• Decide whether you want the FTW5000 specifically as a benchmark, broad-market exposure for a core portfolio holding, or a tool for performance attribution.
• Determine time horizon, risk tolerance, tax situation, and whether you need dividends, tax efficiency, or intra-day tradability.
2. Decide how to obtain exposure
• Direct index replication is not available to retail investors; instead choose:
• An ETF or mutual fund that tracks the FT Wilshire 5000 (if available), or
• A fund tracking a comparable total-market index (CRSP, Russell 3000, Dow Jones U.S. Total Market).
• Verify the fund’s tracking index in the prospectus or fund factsheet.
3. Compare funds using a checklist
• Underlying index: Which total-market index is tracked?
• Expense ratio: Lower expenses typically help long-term returns.
• Tracking error: How closely the fund has tracked its benchmark historically?
• Replication method: Full replication vs. sampling vs. synthetic; sampling can produce small differences in risk/return.
• Liquidity and trading costs (for ETFs): Average daily volume, bid-ask spread.
• Tax efficiency (for taxable accounts): ETF structure often gives greater tax efficiency than some mutual funds.
• Fund size and longevity: Established, large funds tend to have more stable operations.
4. Portfolio construction guidance
• Core holding: Use a total-market fund as the “core” equity allocation for diversified exposure across market caps and sectors.
• Tilts: If you want a different risk/return profile, combine a total-market holding with small-cap, value, sector, or international tilts.
• Rebalancing: Rebalance periodically (calendar-based or threshold-based) to maintain target allocations.
• Dollar cost averaging: Consider investing over time to reduce timing risk.
5. Monitor and rebalance
• Periodically review sector and size exposures (total-market funds can become more concentrated in large caps).
• Rebalance when allocation drifts beyond set thresholds or at planned intervals.
6. Tax and account placement
• Place high-turnover or tax-inefficient strategies in tax-advantaged accounts where possible.
• Use tax-loss harvesting and consider dividend tax implications for taxable accounts.
7. Practical tracking tools
• Track FTW5000 performance on the Wilshire website and on major financial data platforms that publish Wilshire indices.
• Compare the index’s performance with common total-market funds to evaluate tracking differences.
Example checklist when selecting a total-market fund (quick)
– Does the fund track FT Wilshire 5000 or another total-market index?
– Expense ratio ≤ reasonable peer median?
– Consistent low tracking error to its benchmark?
– Adequate liquidity (ETF AUM and volume)?
– Transparent holdings and methodology?
– Tax-efficient structure for my account type?
Limitations and caveats
– No index perfectly represents the economy: index construction rules, exclusions and weighting methods matter.
– Large-cap leadership: market-cap weighting can lead to overexposure to a few large companies and sectors.
– Historical numbers cited above reflect dates through early 2022—index composition and sector weights change over time.
Where to find official data and further reading
– Wilshire: FT Wilshire 5000 Index pages and methodology (Wilshire Associates).
– Investopedia: “FT Wilshire 5000 Index (FTW5000)” — summary and history (source used for this article).
– CRSP U.S. Total Market Index (Center for Research in Security Prices).
– FTSE Russell: Russell 3000 Index documentation.
– S&P/Dow Jones: Dow Jones U.S. Total Stock Market Indices methodology.
Sources
– Investopedia. “FT Wilshire 5000 Index (FTW5000).” (source URL provided by the user).
– Wilshire Associates — FT Wilshire 5000 Index materials and related press releases (Wilshire).
– CRSP, FTSE Russell, and S&P/Dow Jones index documentation as referenced by Investopedia.
Editor’s note: The following topics are reserved for upcoming updates and will be expanded with detailed examples and datasets.