# EDGAR Filing Document

**Accession Number:** 0000105464
**File Stem:** 9999999997-23-002872
**Filing Date:** 2023-3
**Character Count:** 1515
**Document Hash:** 7efa00de6ee56a84fa012d041974971b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999997-23-002872.hdr.sgml**: 20230516

**ACCESSION NUMBER**: 9999999997-23-002872

**CONFORMED SUBMISSION TYPE**: FOCUSN

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230306

**DATE AS OF CHANGE**: 20230516

**EFFECTIVENESS DATE**: 20230306

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BOSTON PARTNERS SECURITIES, L.L.C.
- **CENTRAL INDEX KEY:** 0000105464
- **IRS NUMBER:** 201169070
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** FOCUSN
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-15648
- **FILM NUMBER:** 23002395

**BUSINESS ADDRESS:**
- **STREET 1:** ONE BEACON STREET- 30TH FLOOR
- **STREET 2:** 60 E 42ND ST - SUITE 1550
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02108
- **BUSINESS PHONE:** 617-832-8149

**MAIL ADDRESS:**
- **STREET 1:** ONE BEACON STREET- 30TH FLOOR
- **STREET 2:** 60 E 42ND ST - SUITE 1550
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02108

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ROBECO SECURITIES, L.L.C.
- **DATE OF NAME CHANGE:** 20050620

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ROBECO USA, L.L.C.
- **DATE OF NAME CHANGE:** 20050613

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ROBECO SECURITIES, L.L.C.
- **DATE OF NAME CHANGE:** 20050608

```

This document was generated as part of a paper submission.
Please reference the Document Control Number 23002395 for access to the original document.

```