# Needham Funds Inc

Needham Funds Inc (CIK 1002537) is an SEC-registered fund company with 3 reporting fund series and $1.9B in net assets as of 2026-03-31.

## Registrant

- CIK: 1002537
- File number: 811-09114
- LEI: 549300I20FS2UEMBPJ54
- Address: 250 Park Avenue, New York, US-NY, 10177
- Phone: 800-625-7071
- Net assets: $1.9B
- Total assets: $1.9B
- Fund series: 3
- Latest report: 2026-03-31

## Fund series (3)

| Series | Net assets |
| --- | --- |
| [Needham Aggressive Growth Fund](https://search.stillhousedata.com/fund/S000003815) | $1.6B |
| [Needham Growth Fund](https://search.stillhousedata.com/fund/S000003649) | $185.8M |
| [Needham Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000003816) | $173.4M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [Dreyfus Treasury Securities Ca](https://search.stillhousedata.com/security/261941108) | $47.3M |
| [PDF Solutions Inc](https://search.stillhousedata.com/security/693282105) | $15.5M |
| [FormFactor Inc](https://search.stillhousedata.com/security/346375108) | $14.5M |
| [Thermo Fisher Scientific Inc](https://search.stillhousedata.com/security/883556102) | $13.0M |
| [Super Micro Computer Inc](https://search.stillhousedata.com/security/86800U302) | $12.5M |
| [Vertiv Holdings Co](https://search.stillhousedata.com/security/92537N108) | $12.3M |
| [Corning Inc](https://search.stillhousedata.com/security/219350105) | $11.4M |
| [nVent Electric PLC](https://search.stillhousedata.com/security/G6700G107) | $11.1M |
| [Lam Research Corp](https://search.stillhousedata.com/security/512807306) | $10.7M |
| [MKS Inc](https://search.stillhousedata.com/security/55306N104) | $10.0M |
| [Parsons Corp](https://search.stillhousedata.com/security/70202L102) | $9.3M |
| [Nova Ltd](https://search.stillhousedata.com/security/M7516K103) | $9.1M |
| [Vicor Corp](https://search.stillhousedata.com/security/925815102) | $8.7M |
| [Coherent Corp](https://search.stillhousedata.com/security/19247G107) | $8.6M |
| [Huntington Ingalls Industries](https://search.stillhousedata.com/security/446413106) | $7.8M |

## More

- [CIK 1002537 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1002537&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1002537.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.