CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in CLB — Core Laboratories Inc. /DE/
CIK 884546
SAN FRANCISCO, CA
Position in CLB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,533,890
-$289,036 QoQ
Shares Held
686,950
-6.9% QoQ
Ownership
1.49%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
12 quarters on record
Voting authority
Sole 99.99403158890749.ToString("F0")%
Shared 0.ToString("F0")%
None 0.005968411092510372.ToString("F0")%
Common Shares in CLB Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Equipment & Services
Energy · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $3,910,503,340 across 34 Oil & Gas Equipment & Services names. CLB ranks #20 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SLB |
Slb Limited/Nv
|
43,775,161 | $2,249,605,523 | |
| 2 | BKR |
Baker Hughes Co
|
8,090,259 | $493,910,311 | |
| 3 | HAL |
Halliburton Co
|
6,349,552 | $247,569,032 | |
| 4 | FTI |
TechnipFMC plc
|
2,802,595 | $193,743,392 | |
| 5 | LBRT |
Liberty Energy Inc.
|
3,028,089 | $87,208,963 | |
| 6 | WFRD |
Weatherford International plc
|
823,744 | $77,909,707 | |
| 7 | NOV |
NOV Inc.
|
4,054,027 | $76,256,247 | |
| 8 | AROC |
Archrock, Inc.
|
2,169,536 | $75,499,852 |
All Filings in CLB
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,533,890 | 686,950 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $11,822,926 | 737,550 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $8,123,523 | 657,243 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $6,232,112 | 540,982 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $7,464,870 | 497,990 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $8,642,865 | 499,299 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $9,812,042 | 529,522 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $12,172,194 | 599,911 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $10,615,322 | 621,506 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $10,249,033 | 580,353 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $14,073,029 | 586,132 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $14,048,882 | 604,253 | Shares | Sole | 2023-08-10 | |
| No filing history on record for this holder in this stock. | ||||||