# LYELL IMMUNOPHARMA INC COM NEW

LYELL IMMUNOPHARMA INC COM NEW is a security (CUSIP 55083R203) tracked across SEC portfolio filings. 82 institutional managers reported $289.1M on Form 13F as of 2026-06-30; 5 registered fund positions totaling $3.8M via N-PORT as of 2026-04-30.

## Summary

- Issuer: LYELL IMMUNOPHARMA INC
- Class: COM NEW
- CUSIP: 55083R203
- Asset category: EC
- 13F holders: 82
- 13F value: $289.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 5
- N-PORT value: $3.8M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 82 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [ARCH Venture Management, LLC](https://search.stillhousedata.com/firm/158196) | CHICAGO, IL | $65.1M | 3,247,162 |
| MWG Caph Ltd | WASHINGTON, DC | $31.0M | 1,008,116 |
| GSK plc | London, X0 | $30.3M | 1,512,659 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $25.4M | 826,430 |
| MWG Management Ltd. | Washington, DC | $16.4M | 1,008,116 |
| Foresite Capital Management IV, LLC | Larkspur, CA | $16.1M | 800,399 |
| [Almitas Capital LLC](https://search.stillhousedata.com/firm/166705) | SANTA MONICA, CA | $11.6M | 577,807 |
| Orland Properties Ltd | Washington, DC | $10.6M | 754,698 |
| Foresite Capital Management V, LLC | Larkspur, CA | $9.6M | 477,078 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $9.2M | 458,905 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $7.9M | 381,462 |
| [venBio Partners LLC](https://search.stillhousedata.com/firm/290045) | SAN FRANCISCO, CA | $6.8M | 337,697 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $6.2M | 310,198 |
| Alphabet Inc. | Mountain View, CA | $5.9M | 293,256 |
| BlackRock, Inc. | New York, NY | $3.8M | 191,820 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $3.3M | 0.40% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $198K | 0.26% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $187K | 0.03% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $185K | 0.06% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $3K | 0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/55083R203.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.