# MIRUM PHARMACEUTICALS INC COM

MIRUM PHARMACEUTICALS INC COM is a security (CUSIP 604749101) tracked across SEC portfolio filings. 324 institutional managers reported $6.1B on Form 13F as of 2026-06-30; 40 registered fund positions totaling $378.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MIRUM PHARMACEUTICALS INC
- Class: COM
- CUSIP: 604749101
- Asset category: EC
- 13F holders: 324
- 13F value: $6.1B
- 13F period: 2026-06-30
- N-PORT fund positions: 40
- N-PORT value: $378.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 324 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Frazier Life Sciences Management, L.P.](https://search.stillhousedata.com/firm/317522) | MENLO PARK, CA | $709.4M | 7,679,684 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $641.8M | 6,945,813 |
| BlackRock, Inc. | New York, NY | $355.3M | 3,846,530 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $205.1M | 2,596,089 |
| FMR LLC | BOSTON, MA | $181.6M | 1,965,375 |
| STATE STREET CORP | BOSTON, MA | $179.6M | 1,944,281 |
| BVF INC/IL | San Francisco, CA | $146.4M | 1,584,727 |
| EVENTIDE ASSET MANAGEMENT, LLC | Boston, MA | $130.1M | 1,408,871 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $123.3M | 1,334,809 |
| Novo Holdings A/S | HELLERUP, G7 | $122.4M | 1,325,000 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $116.4M | 1,260,003 |
| TANG CAPITAL MANAGEMENT LLC | SAN DIEGO, CA | $114.2M | 1,236,027 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $98.3M | 1,052,048 |
| TCG Crossover Management, LLC | PALO ALTO, CA | $98.1M | 1,062,049 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $84.2M | 911,419 |

## Top fund holders (N-PORT)

_Showing 15 of 40 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $66.9M | 8.26% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $49.2M | 38.56% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $48.7M | 5.98% |
| [Janus Henderson Venture Fund](https://search.stillhousedata.com/fund/S000010488) | JANUS INVESTMENT FUND | $41.9M | 136.71% |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $25.6M | 115.40% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $22.0M | 12.54% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $20.8M | 19.08% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $18.5M | 8.50% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $17.8M | 71.58% |
| [Emerald Growth Fund](https://search.stillhousedata.com/fund/S000036390) | FINANCIAL INVESTORS TRUST | $10.2M | 72.77% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $9.7M | 33.71% |
| [BNY Mellon Research Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000000071) | BNY MELLON RESEARCH GROWTH FUND, INC. | $9.0M | 51.76% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $6.2M | 12.93% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $4.2M | 0.27% |
| [Small Cap Portfolio](https://search.stillhousedata.com/fund/S000001917) | BNY MELLON VARIABLE INVESTMENT FUND | $3.6M | 115.91% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/604749101.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.