# PERSONALIS INC COM

PERSONALIS INC COM is a security (CUSIP 71535D106) tracked across SEC portfolio filings. 135 institutional managers reported $504.2M on Form 13F as of 2026-06-30; 21 registered fund positions totaling $60.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: PERSONALIS INC
- Class: COM
- CUSIP: 71535D106
- Asset category: EC
- 13F holders: 135
- 13F value: $504.2M
- 13F period: 2026-06-30
- N-PORT fund positions: 21
- N-PORT value: $60.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 135 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Merck & Co., Inc. | RAHWAY, NJ | $89.5M | 14,044,943 |
| [LIGHTSPEED MANAGEMENT COMPANY, L.L.C.](https://search.stillhousedata.com/firm/160187) | MENLO PARK, CA | $52.0M | 8,160,734 |
| ARK Investment Management LLC | St. Petersburg, FL | $50.6M | 7,944,112 |
| Aberdeen Group plc | EDINBURGH, X0 | $50.2M | 3,747,290 |
| BlackRock, Inc. | New York, NY | $34.3M | 5,389,885 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $25.9M | 3,253,797 |
| Deep Track Capital, LP | GREENWICH, CT | $19.1M | 3,000,000 |
| AIGH Capital Management LLC | BALTIMORE, MD | $18.5M | 2,900,000 |
| [KENNEDY CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/105834) | ST LOUIS, MO | $13.9M | 2,183,572 |
| [Blue Water Life Science Advisors, LP](https://search.stillhousedata.com/firm/306450) | Larkspur, CA | $10.7M | 1,676,300 |
| [Casdin Capital, LLC](https://search.stillhousedata.com/firm/169579) | New York, NY | $10.2M | 1,600,000 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $8.3M | 1,297,655 |
| HOWLAND CAPITAL MANAGEMENT LLC | Boston, MA | $7.4M | 555,641 |
| STATE STREET CORP | BOSTON, MA | $7.2M | 1,134,170 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $6.8M | 1,066,248 |

## Top fund holders (N-PORT)

_Showing 15 of 21 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $13.1M | 115.27% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $9.1M | 162.51% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $8.5M | 10.52% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $6.6M | 5.17% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $4.7M | 10.96% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $3.9M | 0.48% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $3.4M | 3.65% |
| [BRUCE FUND](https://search.stillhousedata.com/fund/S000011411) | Bruce Fund, Inc. | $3.0M | 82.00% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $2.9M | 1.68% |
| [Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000008021) | VALIC Co II | $1.8M | 61.05% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $1.1M | 1.52% |
| [Columbia Variable Portfolio - Small Company Growth Fund](https://search.stillhousedata.com/fund/S000010658) | COLUMBIA FUNDS VARIABLE INSURANCE TRUST | $911K | 42.38% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $553K | 1.15% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $303K | 3.07% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $268K | 1.20% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/71535D106.md)
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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.