2m 2m 2m 2m 2m 2m 2m
Core Labor Br (CLB)
NYSE
$13.37+$0.010 (+0.07%)
Price as of Jun 03, 2026 6:02 PM EDT- $630.1MMarket Cap
- 18.91%1-Year Change
- Oil & Gas Equipment & ServicesIndustry
Core Labor Br (CLB)
$13.37+$0.010 (+0.07%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ARIEL INVESTMENTS, LLC | 28.57% | 13.2M | -490,612 (-3.73%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 17.18% | 7.9M | +137,933 (+1.74%) | Dec 31, 2024 |
BLACKROCK INC. | 16.92% | 7.8M | -181,328 (-2.33%) | Jun 30, 2024 |
BLACKROCK, INC. | 15.64% | 7.2M | +54,960 (+0.76%) | Mar 31, 2026 |
DISCIPLINED GROWTH INVESTORS INC /MN | 10.71% | 4.9M | -229,799 (-4.65%) | Mar 31, 2026 |
FRED ALGER MANAGEMENT INC | 8.72% | 4.0M | -1.1M (-27.86%) | Dec 31, 2021 |
VANGUARD GROUP INC | 6.68% | 3.1M | +32,492 (+1.05%) | Dec 31, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 10.61% | 4.9M | +1.7M (+33.98%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 8.87% | 4.1M | 0 (0.00%) | Mar 31, 2026 |
RIVERPARK FUNDS TRUST | 4.79% | 2.2M | 0 (0.00%) | Mar 31, 2026 |
PROFESSIONALLY MANAGED PORTFOLIOS | 2.42% | 1.1M | 0 (0.00%) | Jan 31, 2026 |
ALGER FUNDS | 2.38% | 1.1M | 0 (0.00%) | Jan 31, 2026 |
SPDR SERIES TRUST | 2.02% | 931,166 | +54,220 (+5.82%) | Mar 31, 2026 |
BOSTON TRUST WALDEN FUNDS | 1.58% | 727,687 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions716.0M (79.02%)
- Mutual Funds189.0M (20.86%)
- Insiders1.0M (0.11%)
- Other0 (0.00%)
Insider Transactions
- 0.11% (1.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Tattoli Mark Damian SVP, Gen Counsel & Secretary | Exempt | May 01, 2026 | $0.00 | 250 | $0.00 | 1,200 |
Tattoli Mark Damian SVP, Gen Counsel & Secretary | In Kind | May 01, 2026 | $1,364.79 | 97 | $14.07 | 27,514 |
Tattoli Mark Damian SVP, Gen Counsel & Secretary | Exempt | May 01, 2026 | $0.00 | 250 | $0.00 | 27,611 |
Temeng Kwaku | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
Klingensmith Harvey Robert | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
ANASTASIO CURT | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
Klingensmith Harvey Robert | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
Temeng Kwaku | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
Klingensmith Harvey Robert | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 50,031 |
Carnes Martha Z. | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
Temeng Kwaku | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 33,597 |
MARTINOVICH ROBERT F | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
Carnes Martha Z. | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
Murray Katherine | Award | Apr 01, 2026 | $0.00 | 7,895 | $0.00 | 7,895 |
Carnes Martha Z. | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 54,397 |
MARTINOVICH ROBERT F | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
ANASTASIO CURT | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
MARTINOVICH ROBERT F | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 8,069 |
Murray Katherine | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 0 |
ANASTASIO CURT | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 23,805 |
Murray Katherine | Exempt | Apr 01, 2026 | $0.00 | 8,069 | $0.00 | 29,290 |
Schreffler Gwendolyn SVP | Award | Feb 12, 2026 | $0.00 | 33,490 | $0.00 | 33,490 |
Bruno Lawrence Chairman and CEO | Award | Feb 12, 2026 | $0.00 | 204,340 | $0.00 | 204,340 |
Tattoli Mark Damian SVP, Gen Counsel & Secretary | Award | Feb 12, 2026 | $0.00 | 33,490 | $0.00 | 33,490 |
Schreffler Gwendolyn SVP | Exempt | Dec 31, 2025 | $0.00 | 24,952 | $0.00 | 0 |
Bruno Lawrence Chairman and CEO | Exempt | Dec 31, 2025 | $0.00 | 180,722 | $0.00 | 0 |
Schreffler Gwendolyn SVP | In Kind | Dec 31, 2025 | $309,395.03 | 19,301 | $16.03 | 33,226 |
Hill Christopher Scott SVP & CFO | Exempt | Dec 31, 2025 | $0.00 | 61,417 | $0.00 | 0 |
Schreffler Gwendolyn SVP | Exempt | Dec 31, 2025 | $0.00 | 24,952 | $0.00 | 52,527 |
Bruno Lawrence Chairman and CEO | In Kind | Dec 31, 2025 | $1.8M | 112,681 | $16.03 | 257,438 |