1. Columbia Banking System, Inc.
  2. Columbia Banking System, Inc. Ownership

Historical shareholding details of Rafferty Asset Management, LLC holdings in Columbia Banking System, Inc. (COLB)

Monthly changes of Rafferty Asset Management, LLC shareholding in Columbia Banking System, Inc. over the previous months

Month Name Total no. shares held Percent Holding
Jul 31, 2025 Rafferty Asset Management, Llc 293,014 0.14%
Jun 30, 2025 Rafferty Asset Management, Llc 298,980 0.14%
May 31, 2025 Rafferty Asset Management, Llc 224,464 0.11%
Apr 30, 2025 Rafferty Asset Management, Llc 216,145 0.10%
Mar 31, 2025 Rafferty Asset Management, Llc 240,363 0.11%
Mar 31, 2025 Rafferty Asset Management, Llc 240,363 0.11%
Feb 28, 2025 Rafferty Asset Management, Llc 276,729 0.13%
Jan 31, 2025 Rafferty Asset Management, Llc 288,727 0.14%
Dec 31, 2024 Rafferty Asset Management, Llc 330,065 0.16%
Dec 31, 2024 Rafferty Asset Management, Llc 333,051 0.16%
Nov 30, 2024 Rafferty Asset Management, Llc 419,348 0.20%
Oct 31, 2024 Rafferty Asset Management, Llc 365,205 0.17%
Sep 30, 2024 Rafferty Asset Management, Llc 450,079 0.21%
Sep 30, 2024 Rafferty Asset Management, Llc 450,079 0.21%
Aug 31, 2024 Rafferty Asset Management, Llc 673,344 0.32%
Jul 31, 2024 Rafferty Asset Management, Llc 748,581 0.36%
Jun 30, 2024 Rafferty Asset Management, Llc 698,621 0.33%
Jun 30, 2024 Rafferty Asset Management, Llc 720,707 0.33%
May 31, 2024 Rafferty Asset Management, Llc 469,032 0.22%
Apr 30, 2024 Rafferty Asset Management, Llc 526,070 0.25%
Mar 31, 2024 Rafferty Asset Management, Llc 506,804 0.24%
Mar 31, 2024 Rafferty Asset Management, Llc 514,192 0.24%
Feb 29, 2024 Rafferty Asset Management, Llc 292,377 0.14%
Jan 31, 2024 Rafferty Asset Management, Llc 296,590 0.14%
Dec 31, 2023 Rafferty Asset Management, Llc 346,308 0.17%
Dec 31, 2023 Rafferty Asset Management, Llc 365,068 0.18%
Nov 30, 2023 Rafferty Asset Management, Llc 350,329 0.17%
Oct 31, 2023 Rafferty Asset Management, Llc 281,675 0.14%
Sep 30, 2023 Rafferty Asset Management, Llc 276,433 0.13%
Sep 30, 2023 Rafferty Asset Management, Llc 283,312 0.14%
Aug 31, 2023 Rafferty Asset Management, Llc 285,016 0.14%

View all ownership details of Columbia Banking System, Inc.