TSP S Fund: price, returns and what moves it
The TSP S Fund tracks the Dow Jones U.S. Completion Total Stock Market Index: U.S. small and mid-size companies not in the S&P 500. On Monday, November 9, 2026 its share price closed at $112.7737, +3.44% on the day and +12.32% so far this year (prices from tsp.gov).
Price and returns
| Share price | $112.7737 |
|---|---|
| 1 day | +3.44% |
| Week | +3.44% |
| Month | +1.03% |
| Year to date | +12.32% |
Share price, past 12 months
- Low
- $94.0240
- High
- $120.9799
- Latest
- $112.7737
Daily closing prices through Monday, November 9, 2026. Source: tsp.gov share price history.
What's in the S Fund
The S Fund holds U.S. stocks that are not in the S&P 500, mostly small and mid-size companies. Together, the C and S Funds cover nearly the whole U.S. stock market. As of December 31, 2025, the latest date tsp.gov shows, its largest sectors were industrials (19.1%), information technology (18.3%), financials (16.3%) and health care (14.2%), and its largest holdings included Snowflake, Marvell Technology, Cloudflare and Vertiv. It holds most of the index's companies worth more than $1 billion and uses sampling for the smaller ones. Its total expense ratio was 0.051%, or $0.51 per $1,000 invested.
Risk: Stock fund: typically more volatile than the C Fund, with larger daily swings in both directions.
What moves the S Fund
- Interest rates: smaller companies tend to borrow more, so rate changes can hit them harder
- Expectations for U.S. economic growth
- Investor appetite for risk (small companies often swing more than large ones)
Recent S Fund moves, explained
- Monday, November 9, 2026Stocks Snap Back: Broad Rally Lifts C, S and I Funds+3.44%
- Friday, November 6, 2026Stocks bounce back from AI sell-off, but bond yields jump on hot jobs data+1.02%
- Thursday, November 5, 2026Tech-led selloff hits stocks hard; bonds and G Fund stay steady-4.57%
- Wednesday, November 4, 2026Election clarity sparks a broad market rally across TSP funds+0.87%
- Tuesday, November 3, 2026Chip stocks rebound on Election Day, but bonds and overseas markets slip+0.52%
One-day moves calculated from tsp.gov share prices, as reported in each day's briefing.
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S Fund returns by year
Calendar-year change in the share price, from the last closing price of the prior year, calculated from tsp.gov share prices. Includes fund expenses. 2026 through Monday, November 9, 2026: +12.32%.
| Year | Return |
|---|---|
| 2025 | +11.38% |
| 2024 | +16.93% |
| 2023 | +25.30% |
| 2022 | -26.26% |
| 2021 | +12.45% |
| 2020 | +31.85% |
| 2019 | +27.97% |
| 2018 | -9.26% |
| 2017 | +18.22% |
| 2016 | +16.35% |
| 2015 | -2.92% |
| 2014 | +7.80% |
| 2013 | +38.35% |
| 2012 | +18.57% |
| 2011 | -3.38% |
| 2010 | +29.06% |
| 2009 | +34.85% |
| 2008 | -38.32% |
| 2007 | +5.49% |
| 2006 | +15.30% |
| 2005 | +10.45% |
| 2004 | +18.03% |
Common questions
What does the TSP S Fund track?
The S Fund tracks the Dow Jones U.S. Completion Total Stock Market Index, which holds U.S. small and mid-size companies that are not in the S&P 500.
What is the difference between the C Fund and the S Fund?
The C Fund holds the roughly 500 largest U.S. companies (the S&P 500). The S Fund holds the rest of the U.S. stock market, mostly smaller companies. The S Fund usually moves more on any given day.
What is the ticker symbol for the TSP S Fund?
The S Fund has no ticker symbol, because TSP funds aren't traded on an exchange. It's built to match the Dow Jones U.S. Completion Total Stock Market Index, and its price is set once per business day after the markets close.
What sectors are in the TSP S Fund?
As of December 31, 2025, the latest date tsp.gov shows, the S Fund's largest sectors were industrials (19.1%), information technology (18.3%), financials (16.3%), health care (14.2%) and consumer discretionary (10.3%). Its largest holdings included Snowflake, Marvell Technology, Cloudflare and Vertiv.
What is the S Fund's expense ratio?
tsp.gov lists the S Fund's total expense ratio as 0.051% as of December 31, 2025: $0.51 for every $1,000 invested, made up of 0.034% in administrative expenses and 0.017% in investment expenses.
Other TSP funds
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Sources: official share prices from tsp.gov share price history; fund details from the S Fund page on tsp.gov. Educational information, not investment advice. Past performance does not guarantee future results.