# CHARLES RIV LABS INTL INC COM

CHARLES RIV LABS INTL INC COM is a security (CUSIP 159864107) tracked across SEC portfolio filings. 574 institutional managers reported $9.3B on Form 13F as of 2026-06-30; 77 registered fund positions totaling $1.2B via N-PORT as of 2026-05-31.

## Summary

- Issuer: CHARLES RIV LABS INTL INC
- Class: COM
- CUSIP: 159864107
- Asset category: EC
- 13F holders: 574
- 13F value: $9.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 77
- N-PORT value: $1.2B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 574 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.2B | 5,887,175 |
| BlackRock, Inc. | New York, NY | $665.7M | 3,859,100 |
| FMR LLC | BOSTON, MA | $596.2M | 3,456,244 |
| [HARRIS ASSOCIATES L P](https://search.stillhousedata.com/firm/106960) | CHICAGO, IL | $371.4M | 2,153,296 |
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $348.6M | 1,993,316 |
| STATE STREET CORP | BOSTON, MA | $323.2M | 1,873,618 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $285.0M | 1,652,484 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $281.1M | 1,629,401 |
| ARIEL INVESTMENTS, LLC | CHICAGO, IL | $249.1M | 1,444,183 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $224.8M | 1,305,694 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $215.6M | 1,212,152 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $195.8M | 1,135,027 |
| [COOKE & BIELER LP](https://search.stillhousedata.com/firm/113859) | PHILADELPHIA, PA | $171.4M | 755,630 |
| [EARNEST PARTNERS LLC](https://search.stillhousedata.com/firm/107926) | ATLANTA, GA | $167.6M | 971,366 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $161.1M | 934,045 |

## Top fund holders (N-PORT)

_Showing 15 of 77 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $237.0M | 15.02% |
| [Invesco S&P 500 Equal Weight ETF](https://search.stillhousedata.com/fund/S000060812) | Invesco Exchange-Traded Fund Trust | $166.8M | 18.99% |
| [Invesco Small Cap Value Fund](https://search.stillhousedata.com/fund/S000027837) | AIM Sector Funds (Invesco Sector Funds) | $104.8M | 97.42% |
| [VANGUARD WINDSOR FUND](https://search.stillhousedata.com/fund/S000004417) | VANGUARD WINDSOR FUNDS | $102.9M | 42.44% |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | State Street(R) SPDR(R) S&P 500(R) ETF Trust | $99.9M | 1.53% |
| [Ariel Fund](https://search.stillhousedata.com/fund/S000005024) | Ariel Investment Trust | $90.3M | 352.92% |
| [AB Relative Value Portfolio](https://search.stillhousedata.com/fund/S000010448) | AB VARIABLE PRODUCTS SERIES FUND, INC. | $50.0M | 480.59% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $41.7M | 19.17% |
| [T. Rowe Price All-Cap Opportunities Fund](https://search.stillhousedata.com/fund/S000002104) | T. Rowe Price All-Cap Opportunities Fund, Inc. | $38.1M | 26.57% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $28.3M | 27.93% |
| [AB RELATIVE VALUE FUND, INC.](https://search.stillhousedata.com/fund/S000010080) | AB RELATIVE VALUE FUND, INC. | $20.7M | 111.02% |
| [Fidelity Series Value Discovery Fund](https://search.stillhousedata.com/fund/S000039216) | Fidelity Devonshire Trust | $15.4M | 9.66% |
| [Templeton Global Smaller Companies Fund](https://search.stillhousedata.com/fund/S000008758) | Templeton Global Smaller Companies Fund | $14.8M | 182.66% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $13.7M | 12.61% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $12.5M | 41.29% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/159864107.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.