# Calvert U.S. Large Cap Core Responsible Index Fund

Calvert U.S. Large Cap Core Responsible Index Fund is a registered fund series of Calvert Responsible Index Series, Inc. (series S000005145). Net assets $5.6B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000005145
- Registrant: Calvert Responsible Index Series, Inc.
- LEI: 549300PO0F0AV64IR605
- Net assets: $5.6B
- Total assets: $5.6B
- As of: 2026-03-31
- Type: Index

## Advisers

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

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | — | $388.4M | 699.70% |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | — | $354.9M | 639.42% |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | — | $298.4M | 537.64% |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | — | $260.2M | 468.85% |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | — | $197.7M | 356.14% |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | — | $142.8M | 257.21% |
| [JPMorgan Chase & Co](https://search.stillhousedata.com/security/46625H100) | — | $82.4M | 148.37% |
| [Eli Lilly & Co](https://search.stillhousedata.com/security/532457108) | — | $80.3M | 144.57% |
| [Walmart Inc](https://search.stillhousedata.com/security/931142103) | — | $55.8M | 100.57% |
| [Visa Inc](https://search.stillhousedata.com/security/92826C839) | — | $55.8M | 100.53% |
| [Costco Wholesale Corp](https://search.stillhousedata.com/security/22160K105) | — | $45.5M | 82.05% |
| [Mastercard Inc](https://search.stillhousedata.com/security/57636Q104) | — | $44.9M | 80.80% |
| [Netflix Inc](https://search.stillhousedata.com/security/64110L106) | — | $44.8M | 80.74% |
| [AbbVie Inc](https://search.stillhousedata.com/security/00287Y109) | — | $44.2M | 79.64% |
| [Micron Technology Inc](https://search.stillhousedata.com/security/595112103) | — | $42.3M | 76.16% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $5.6B |
| 2025-12-31 | $6.0B |
| 2025-09-30 | $6.0B |
| 2025-06-30 | $5.9B |
| 2025-03-31 | $5.4B |
| 2024-12-31 | $5.7B |
| 2024-09-30 | $5.7B |
| 2024-06-30 | $5.4B |

## More

- [Registrant: Calvert Responsible Index Series, Inc.](https://search.stillhousedata.com/registrant/1105446)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000005145.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.