Private company

LaBranche & Co

LaBranche & Co. Inc. was a market maker and specialist firm on the NYSE, one of the oldest in the business at the time of its acquisition. It also operated in options, futures, and ETFs through various subsidiaries. Its stock symbol on the New York Stock Exchange was LAB.3 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industryfinancial services1
  • HeadquartersNew York, New York1
  • Listed onNew York Stock Exchange1
  • Incorporated inDE4
  • Business addressOne Exchange Plaza, New York, Ny 10006-30084

LaBranche & Co. Inc. was a market maker and specialist firm on the NYSE, one of the oldest in the business at the time of its acquisition. It also operated in options, futures, and ETFs through various subsidiaries. Its stock symbol on the New York Stock Exchange was LAB.3

Leadership

Who has led LaBranche & Co, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (8)

Timeline

  1. Mar 3, 2010New chief executive George M. L. Labranche Iv. becomes CEO5
  2. Feb 14, 2006New chief executive Alfred O. Hayward Jr. becomes CEO6

SEC filer profile

How LaBranche & Co is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARLABRANCHE & CO INC2
  • CIK0001089044
  • Employer ID (EIN)13-40647352
  • Incorporated inDelaware2
  • Fiscal year endsDecember 312
  • Industry code (SIC)6211 Security Brokers, Dealers & Flotation Companies2
  • Business addressOne Exchange Plaza, New York, NY 10006-30082
  • Phone21282004002
  • On EDGAR sinceJun 18, 19992
  • Filings418 in all: 8-K (81), 4 (75), 10-Q (35), 13F-HR (33), SC 13G (25), SC 13G/A (21), SC TO-I/A (14), DEFA14A (12)2
    All 42 form types

    DEF 14A (11), 10-K (10), 3 (9), 425 (9), ARS (9), 5 (6), SC TO-I (5), UPLOAD (5), 10-K/A (4), S-1/A (4), S-4 (4), S-4/A (4), S-8 (4), S-8 POS (4), 13F-HR/A (3), CORRESP (3), SC 13D (3), 10-K405 (2), 424B1 (2), 424B3 (2), EFFECT (2), POS AM (2), S-3 (2), S-3/A (2), SC 13D/A (2), 10-Q/A (1), 15-12B (1), 25-NSE (1), 424B4 (1), 8-A12B (1), 8-K/A (1), DEFM14A (1), S-1 (1), SC TO-C (1)

  • Latest filingsAnnual report (10-K) Mar 16, 2011
    Quarterly report (10-Q) May 10, 2011
    Proxy statement (DEF 14A) Apr 8, 2010
    Latest 8-K (8-K) Jun 30, 2011