# ALUMIS INC COM

ALUMIS INC COM is a security (CUSIP 022307102) tracked across SEC portfolio filings. 200 institutional managers reported $2.2B on Form 13F as of 2026-06-30; 24 registered fund positions totaling $93.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ALUMIS INC
- Class: COM
- CUSIP: 022307102
- Asset category: EC
- 13F holders: 200
- 13F value: $2.2B
- 13F period: 2026-06-30
- N-PORT fund positions: 24
- N-PORT value: $93.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 200 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $158.0M | 7,170,868 |
| Deep Track Capital, LP | GREENWICH, CT | $149.2M | 6,772,595 |
| [AyurMaya Capital Management Company, LP](https://search.stillhousedata.com/firm/317699) | Waltham, MA | $147.8M | 15,139,706 |
| [Samsara BioCapital, LLC](https://search.stillhousedata.com/firm/288114) | Palo Alto, CA | $139.8M | 6,345,219 |
| Foresite Capital Management V, LLC | Larkspur, CA | $129.9M | 5,896,995 |
| [venBio Partners LLC](https://search.stillhousedata.com/firm/290045) | SAN FRANCISCO, CA | $99.8M | 4,528,408 |
| Foresite Capital Management VI LLC | WEST HOLLYWOOD, CA | $93.6M | 4,247,670 |
| [Cormorant Asset Management, LP](https://search.stillhousedata.com/firm/167820) | BOSTON, MA | $87.0M | 3,949,241 |
| [Nextech Invest, Ltd.](https://search.stillhousedata.com/firm/322629) | Zurich, V8 | $78.0M | 3,540,998 |
| [Saturn V Capital Management LP](https://search.stillhousedata.com/firm/316649) | AUSTIN, TX | $70.5M | 3,202,075 |
| UBS Group AG | Zurich, V8 | $67.3M | 3,054,865 |
| [Octagon Capital Advisors LP](https://search.stillhousedata.com/firm/306424) | NEW YORK, NY | $62.4M | 2,830,700 |
| [MPM BIOIMPACT LLC](https://search.stillhousedata.com/firm/309865) | BOSTON, MA | $52.6M | 2,386,529 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $46.8M | 2,124,408 |
| [BAKER BROS. ADVISORS LP](https://search.stillhousedata.com/firm/158149) | NEW YORK, NY | $44.3M | 2,012,500 |

## Top fund holders (N-PORT)

_Showing 15 of 24 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $26.2M | 24.04% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $20.0M | 2.45% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $14.7M | 11.51% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $7.6M | 4.34% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $5.3M | 23.98% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $3.7M | 12.89% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.7M | 14.85% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $2.5M | 5.09% |
| BlackRock Health Sciences Term Trust | BlackRock Health Sciences Term Trust | $2.2M | 22.12% |
| [Optimum Small-Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000002424) | Optimum Fund Trust | $1.8M | 23.98% |
| [T. Rowe Price Health Sciences Portfolio](https://search.stillhousedata.com/fund/S000002083) | T. ROWE PRICE EQUITY SERIES, INC. | $1.6M | 24.09% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $1.2M | 0.20% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $971K | 0.32% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $720K | 0.66% |
| BlackRock Health Sciences Trust | BlackRock Health Sciences Trust | $568K | 10.67% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/022307102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.