# ProShares Large Cap Core Plus (CSM) — Overview

CSM · BATS · Fund

Canonical page: https://www.lighthorse.io/tickers/csm

## Price

Last close $87.78 on Oct 15, 2026. 52-week range $73.03 – $90.00.

## Fund profile

CSM tracks a long/short index of the 500 largest US stocks. It uses a set of rules to assign weights to each equity that add up to 130% long and 30% short exposure.

| Metric | Value |
| --- | --- |
| Issuer | ProShare Advisors |
| Industry | — |
| Inception | Jul 13, 2009 |
| Assets under management | $521.3M |
| Expense ratio | 0.45% |
| Net asset value | $87.77 (as of Oct 15, 2026) |
| Distributions | Quarterly |
| Leverage | 1x |

## Frequently Asked Questions

### What is ProShares Large Cap Core Plus (CSM)?

CSM tracks a long/short index of the 500 largest US stocks. It uses a set of rules to assign weights to each equity that add up to 130% long and 30% short exposure.

### What is CSM's expense ratio?

ProShares Large Cap Core Plus charges an annual expense ratio of 0.45%. The fund is issued by ProShare Advisors.

### How large is CSM?

ProShares Large Cap Core Plus manages $521.3M in assets and has traded since Jul 13, 2009.

### How do I buy shares of ProShares Large Cap Core Plus (CSM)?

CSM trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).