X0303 4 2011-02-23 0 0000920424 INVESTMENT TECHNOLOGY GROUP INC ITG 0001074992 VIGLIOTTI STEVEN R C/O ITG INC. 380 MADISON AVENUE NEW YORK NY 10017 0 1 0 0 Managing Director and CFO Common Stock 2011-02-23 4 A 0 28863 A 52983 D Grant of Stock Units in a transaction exempt under Rule 16b-3(d). This grant of Stock Units consists of basic units and matching units. Basic units vest in equal annual installments on each of the first, second and third anniversaries of the date of grant, if the Reporting Person remains continuously employed by the Issuer on each applicable vesting date. Matching units will vest 100% on the third anniversary of the date of grant, if the Reporting Person remains continuously employed by the Issuer through such vesting date. P. Mats Goebels, by Power of Attorney filed with Form 3 dated February 5, 2010 2011-02-25