# Calvert Social Index Fund — new fund registration

CALVERT SOCIAL INDEX SERIES INC registered fund series on Form 485APOS, filed 2009-11-20. Featured series: Calvert Social Index Fund.

## Registration

- Registrant / trust: CALVERT SOCIAL INDEX SERIES INC
- CIK: 0001105446
- Form: 485APOS
- Filed: 2009-11-20
- Accession: 0001105446-09-000010
- Reported net assets: $5.6B

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Calvert Social Index Fund](https://search.stillhousedata.com/fund/S000005145) | Class A | CSXAX | — |
| [Calvert Social Index Fund](https://search.stillhousedata.com/fund/S000005145) | Class B | CSXBX | — |
| [Calvert Social Index Fund](https://search.stillhousedata.com/fund/S000005145) | Class C | CSXCX | — |
| [Calvert Social Index Fund](https://search.stillhousedata.com/fund/S000005145) | Class I | CISIX | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.25%
- Gross expense ratio: 0.60%
- Management fee: 0.24%
- Net expense ratio: 0.49%
- Other expenses: 0.11%

## Investment objective

The Funds investment objective is to seek to track the performance of the Calvert US Large-Cap Core Responsible Index (the Index), which measures the investment return of large-capitalization stocks.

## Advisers

- [Calvert Research and Management (Advisor)](https://search.stillhousedata.com/firm/285127)

## Other filings by this registrant (4)

- [485APOS — 2016-12-02](https://search.stillhousedata.com/launch/0001105446-16-000157)
- [485APOS — 2015-07-31 (8 new series)](https://search.stillhousedata.com/launch/0001105446-15-000076)
- [485APOS — 2015-02-17 (8 new series)](https://search.stillhousedata.com/launch/0001105446-15-000011)
- [485APOS — 2005-01-19](https://search.stillhousedata.com/launch/0001105446-05-000001)

## More

- [Registrant profile: CALVERT SOCIAL INDEX SERIES INC](https://search.stillhousedata.com/registrant/1105446)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001105446-09-000010.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.