The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 12-31-2022
Check here if Amendment    Amendment Number:
This Amendment (Check only one.):    is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Address: 211 MAIN STREET
SAN FRANCISCO, CA  94105
Form 13F File Number: 028-03128
CRD Number (if applicable): 000106753
SEC File Number (if applicable): 801-35905

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Jonathan De St Paer
Title: Chief Operating Officer
Phone: 617-960-5300
Signature, Place, and Date of Signing:
/s/ Jonathan De St Paer San FranciscoCA 02-13-2023
[Signature] [City, State] [Date]
Report Type (Check only one.):
   13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
   13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
X 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
AMERICAN CENTURY COMPANIES INC 028-11918     0000748054
BAILLIE GIFFORD OVERSEAS LTD 028-04395     0001085972
BlackRock Investment Management, LLC 028-12016     0001305227
HARRIS ASSOCIATES L P 028-02013     0000813917
Mondrian Investment Partners LTD 028-11450     0001317724
Ariel Investments, LLC 028-04003     0000936753
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 3,600
Form 13F Information Table Value Total: 310,319,827,223
(round to nearest dollar)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No. Name Form 13F File No. CRD No. (if applicable) SEC File No. (if applicable) CIK
1 Charles Schwab Trust Co 028-19636     0001789219