# CORE LABORATORIES INC (CLB)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/CLB/

- Reporting holders: 4
- Reported value: $304.1K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $134.9K | 13,912 | 0.0% | 15 |
| [Harpswell Capital Advisors, LLC](https://holderbook.com/funds/1806630-harpswell-capital-advisors-llc/) | $113.5K | 11,700 | 0.1% | 2 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $46.3K | 4,773 | 0.0% | 12 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $9.4K | 965 | 0.0% | 6 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 4 | $304.1K |
| Q2 2026 | 190 | $657.4M |
| Q1 2026 | 190 | $853.8M |
| Q4 2025 | 189 | $819.8M |
| Q3 2025 | 191 | $634.1M |
| Q2 2025 | 193 | $603.6M |
| Q1 2025 | 194 | $763.0M |
| Q4 2024 | 208 | $880.7M |
| Q3 2024 | 191 | $949.8M |
| Q2 2024 | 197 | $1.1B |
| Q1 2024 | 203 | $875.0M |
| Q4 2023 | 188 | $875.6M |