Columbia Banking System Inc (COLB) Institutional Holdings & 13F Data (Q2 2026)

COLB ranks #1048 out of 37503 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

COLB is a top-conviction position for HoldCo Asset Management, LP — at 11.8% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in COLB belongs to BlackRock, Inc., but the position matters far more to HoldCo Asset Management, LP, who has 11.8% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

California State Teachers Retirement System has added to its COLB position for two straight quarters, increasing it by $327.9M to reach $335.8M today.

Wellington Management Group LLP has trimmed its COLB position for two straight quarters, cutting it by $131.5M while still holding $374.6M.

COLB is up 2.6% today, and institutions have been net buyers of $545.6M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

COLB closed its latest fiscal year with net income of $550.0M, and currently trades at a P/E of 13.1.

• Profitable — net income of $550.0M in the latest fiscal year
• Revenue grew 18.8% year over year
• Net income improved year over year, from $534.0M to $550.0M
• Generated $746.0M in positive operating cash flow
• Liabilities run 7.52x equity — a highly leveraged balance sheet worth noting