SSO — ProShares Ultra S&P500
Data updated: 2026-08-14
SSO — ProShares Ultra S&P500. Leveraged · $8.38B AUM · 0.89% expense ratio · 56.8% 1-yr return. Holdings, fees, performance and SEC filings.
SSO Fund Overview
SSO — ProShares Ultra S&P500 is a US ETF managed by Proshares Trust, categorised as Leveraged. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Proshares Trust
- Category: Leveraged
- Assets under management: $8.38B
- 1-year return: 56.8%
- Ticker: SSO
- SEC CIK: 0001174610
- SEC series ID: S000006821
- Share class ID: C000018459
SSO Holdings
Top 10 holdings of ProShares Ultra S&P500 by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| ProShares GENIUS Money Market ETF | 15.54% |
| NVIDIA Corp. | 5.18% |
| Apple, Inc. | 4.63% |
| Microsoft Corp. | 3.38% |
| Amazon.com, Inc. | 2.67% |
| Alphabet, Inc. | 2.24% |
| United States of America | 2.21% |
| Broadcom, Inc. | 2.14% |
| Alphabet, Inc. | 1.78% |
| Meta Platforms, Inc. | 1.40% |
SSO Portfolio Allocation
Asset-class allocation of ProShares Ultra S&P500 by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 65.6% |
| Other | 15.5% |
| Derivatives | 13.1% |
| Cash & Equivalents | 5.5% |
SSO Performance
Total returns for SSO (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 20.1% |
| 1 year | 56.8% |
| 3 years (annualised) | 40.1% |
| 5 years (annualised) | 20.1% |
SSO Risk Information
Risk metrics for SSO, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 27.0%
SSO Costs and Fees
SSO costs about $89 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.89%
- Gross expense ratio: 0.89%
- Portfolio turnover: 4%
- Brokerage commissions: 0.63 bps of average net assets (SEC N-CEN)
SSO Cashflows
Over the 12 months to 2026-05, ProShares Ultra S&P500 had net outflows of $239.01M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | $334.65M |
| 2026-04 | $658.51M |
| 2026-03 | −$666.53M |
| 2026-02 | −$1.19B |
| 2026-01 | $398.36M |
| 2025-12 | $350.10M |
SSO Debt Constituents
No individual debt constituents are reported in ProShares Ultra S&P500's latest SEC N-PORT filing.
SSO Prospectus and SEC Filings
Official ProShares Ultra S&P500 filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2024-09-26
- Prospectus supplement (497) — filed 2025-04-07
- Prospectus supplement (497) — filed 2024-11-13
- Portfolio holdings (N-PORT) — filed 2026-07-28
- Portfolio holdings (N-PORT) — filed 2026-04-24
- Portfolio holdings (N-PORT) — filed 2026-01-28
- Annual census (N-CEN) — filed 2026-08-14
- Annual census (N-CEN) — filed 2025-08-13
Related Funds
Other Leveraged funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.