CLB | Core Labor Br | Owners

S&P 500$7,623.68
-0.52%
2m
DOW 30$52,215.16
-1.23%
2m
NASDAQ 100$28,957.53
-0.004%
2m
Russell 2000$275.75
-0.33%
2m
Russell 1000$415.35
-0.46%
2m
S&P 400$3,616.59
-0.56%
2m
S&P 600$1,681.71
-0.29%
2m

Core Labor Br (CLB)

NYSE

$9.99+$0.08 (+0.78%)

Price as of Oct 23, 2026 7:56 PM EDT

$431.3M
Market Cap
-41.06%
1-Year Change
Oil & Gas Equipment & Services
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
ARIEL INVESTMENTS, LLC	30.67%	14.1M	+904,557 (+6.43%)	Jun 30, 2026
BLACKROCK FUNDING, INC. /DE	17.26%	7.9M	+137,933 (+1.74%)	Dec 31, 2024
BLACKROCK INC.	16.99%	7.8M	-181,328 (-2.33%)	Jun 30, 2024
BLACKROCK, INC.	16.26%	7.5M	+251,615 (+3.37%)	Jun 30, 2026
FRED ALGER MANAGEMENT INC	8.76%	4.0M	-1.1M (-27.86%)	Dec 31, 2021
VANGUARD GROUP INC	6.71%	3.1M	+32,492 (+1.05%)	Dec 31, 2025
DISCIPLINED GROWTH INVESTORS INC /MN	6.63%	3.0M	-1.9M (-62.29%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
ARIEL INVESTMENT TRUST	17.23%	7.9M	+979,467 (+12.39%)	Jun 30, 2026
VANGUARD INDEX FUNDS	3.40%	1.6M	-26,936 (-1.73%)	Jun 30, 2026
HARBOR FUNDS	2.43%	1.1M	-39,770 (-3.57%)	Jul 31, 2026
HEARTLAND GROUP INC	1.97%	901,721	+751,721 (+83.37%)	Jun 30, 2026
DFA INVESTMENT DIMENSIONS GROUP INC	1.73%	793,045	+50,678 (+6.39%)	Jul 31, 2026
VANGUARD SCOTTSDALE FUNDS	1.55%	710,246	+27,790 (+3.91%)	May 31, 2026
Dimensional ETF Trust	1.30%	597,003	+170,085 (+28.49%)	Jul 31, 2026

Current Ownership Distribution

Institutions771.5M (76.52%)
Mutual Funds235.6M (23.37%)
Insiders1.1M (0.11%)
Other0 (0.00%)

Insider Transactions

0.11% (1.1M)
Current InsiderOwnership (%, shares)
1
Number of InsiderBuying (last 12 months)
$2.8M
Amount of InsiderBuying (last 12 months)
0
Number of InsiderSelling (last 12 months)
$0.00
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
Teo Sow Hang CAO & Treasurer	Exempt	Oct 01, 2026	$0.00	250	$0.00	6,000
Teo Sow Hang CAO & Treasurer	In Kind	Oct 01, 2026	$966.24	99	$9.76	8,818
Teo Sow Hang CAO & Treasurer	Exempt	Oct 01, 2026	$0.00	250	$0.00	8,917
Tattoli Mark Damian SVP, Gen Counsel & Secretary	Exempt	Aug 01, 2026	$0.00	250	$0.00	950
Tattoli Mark Damian SVP, Gen Counsel & Secretary	In Kind	Aug 01, 2026	$1,053.36	99	$10.64	27,665
Tattoli Mark Damian SVP, Gen Counsel & Secretary	Exempt	Aug 01, 2026	$0.00	250	$0.00	27,764
Bruno Lawrence Chairman and CEO	Buy	Jul 31, 2026	$53,900.00	5,000	$10.78	262,438
ANASTASIO CURT	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
Temeng Kwaku	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
Carnes Martha Z.	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	50,031
Temeng Kwaku	Exempt	Apr 01, 2026	$0.00	8,069	$0.00	0
MARTINOVICH ROBERT F	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
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