X0606 TA-2/A 2024-12-31 084-05685 0001029679 XXXXXXXX LIVE true true Columbia Management Investment Services Corp. /TA Some SS&C GIDS, Inc. 084-00448 Y Tri-Continental Corporation 084-00458 Securities and Exchange Commission Not applicable 203865 570705 570705 238376 0 1.55 0.00 43.76 0.00 0.00 54.69 0 0 585 0 0 30 0 0 0 0 0 0 3 0 0 0 0 0 0 0 30 401838971.14 0 0.00 0 0.00 0 Not Applicable 4303913 101724 12/31/2024 1155 438 19 Christie Wiley 617-747-0666 President 04/16/2026