# IMPINJ INC COM

IMPINJ INC COM is a security (CUSIP 453204109) tracked across SEC portfolio filings. 320 institutional managers reported $3.5B on Form 13F as of 2026-06-30; 39 registered fund positions totaling $531.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: IMPINJ INC
- Class: COM
- CUSIP: 453204109
- Asset category: EC
- 13F holders: 320
- 13F value: $3.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 39
- N-PORT value: $531.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 320 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $603.1M | 3,465,949 |
| BlackRock, Inc. | New York, NY | $443.0M | 4,313,504 |
| FMR LLC | BOSTON, MA | $439.6M | 4,280,553 |
| STATE STREET CORP | BOSTON, MA | $152.5M | 1,484,868 |
| Capital International Investors | Los Angeles, CA | $138.9M | 1,352,380 |
| [SYLEBRA CAPITAL LLC](https://search.stillhousedata.com/firm/316856) | PALO ALTO, CA | $116.3M | 1,132,152 |
| Capital World Investors | LOS ANGELES, CA | $104.3M | 1,016,052 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $84.0M | 817,992 |
| [Alyeska Investment Group, L.P.](https://search.stillhousedata.com/firm/155058) | CHICAGO, IL | $75.5M | 734,787 |
| Chevy Chase Trust Holdings, LLC | BETHESDA, MD | $74.8M | 728,395 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $70.1M | 681,968 |
| UBS Group AG | Zurich, V8 | $67.8M | 518,074 |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $53.2M | 517,826 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Toronto, A6 | $43.7M | 425,945 |
| [Whale Rock Capital Management LLC](https://search.stillhousedata.com/firm/140746) | Boston, MA | $41.6M | 405,244 |

## Top fund holders (N-PORT)

_Showing 15 of 39 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $242.4M | 29.91% |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $153.3M | 15.52% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $30.8M | 3.78% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $21.8M | 12.43% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $13.2M | 16.37% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $11.4M | 50.96% |
| [Emerald Growth Fund](https://search.stillhousedata.com/fund/S000036390) | FINANCIAL INVESTORS TRUST | $9.8M | 69.78% |
| [abrdn U.S. Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000020297) | abrdn Funds | $7.9M | 210.84% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $6.6M | 15.15% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $4.6M | 9.45% |
| [T. Rowe Price Science & Technology Fund, Inc.](https://search.stillhousedata.com/fund/S000002119) | T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC. | $3.6M | 3.40% |
| Liberty All-Star Growth Fund | LIBERTY ALL STAR GROWTH FUND INC. | $3.6M | 107.40% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $3.0M | 7.10% |
| [Columbia Variable Portfolio - Small Company Growth Fund](https://search.stillhousedata.com/fund/S000010658) | COLUMBIA FUNDS VARIABLE INSURANCE TRUST | $2.1M | 96.75% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $2.0M | 23.03% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/453204109.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.