# CORE LABORATORIES INC COM

CORE LABORATORIES INC COM is a security (CUSIP 21867A105) tracked across SEC portfolio filings. 199 institutional managers reported $795.1M on Form 13F as of 2026-06-30; 19 registered fund positions totaling $110.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CORE LABORATORIES INC
- Class: COM
- CUSIP: 21867A105
- Asset category: EC
- 13F holders: 199
- 13F value: $795.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 19
- N-PORT value: $110.6M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 199 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| ARIEL INVESTMENTS, LLC | CHICAGO, IL | $221.1M | 13,170,388 |
| BlackRock, Inc. | New York, NY | $121.0M | 7,208,503 |
| [DISCIPLINED GROWTH INVESTORS INC /MN](https://search.stillhousedata.com/firm/106746) | MINNEAPOLIS, MN | $82.9M | 4,937,115 |
| [EARNEST PARTNERS LLC](https://search.stillhousedata.com/firm/107926) | ATLANTA, GA | $51.3M | 3,055,996 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $49.4M | 3,079,882 |
| STATE STREET CORP | BOSTON, MA | $34.6M | 2,060,537 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $22.7M | 1,352,329 |
| [CWA Asset Management Group, LLC](https://search.stillhousedata.com/firm/158940) | Naples, FL | $20.4M | 1,755,085 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $19.1M | 1,137,958 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $14.3M | 848,901 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $11.5M | 686,950 |
| GENDELL JEFFREY L | GREENWICH, CT | $10.9M | 648,460 |
| NORTHERN TRUST CORP | CHICAGO, IL | $9.5M | 565,286 |
| [EVERGREEN CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/104931) | Bellevue, WA | $7.8M | 669,508 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $7.5M | 447,097 |

## Top fund holders (N-PORT)

_Showing 15 of 19 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Ariel Fund](https://search.stillhousedata.com/fund/S000005024) | Ariel Investment Trust | $90.9M | 354.93% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $8.8M | 1.07% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $3.3M | 1.88% |
| [Royce Small-Cap Total Return Fund](https://search.stillhousedata.com/fund/S000009510) | ROYCE FUND | $2.9M | 34.08% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $1.7M | 2.27% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.3M | 2.64% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $727K | 2.40% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $336K | 3.97% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $317K | 0.05% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $289K | 2.93% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $231K | 0.08% |
| [Unrestricted Series](https://search.stillhousedata.com/fund/S000012121) | BULLFINCH FUND INC | $212K | 119.00% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $110K | 2.63% |
| [Kinetics Global Portfolio](https://search.stillhousedata.com/fund/S000007852) | Kinetics Portfolios Trust | $3K | 0.59% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $1K | 0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/21867A105.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.