ARGA Investment Management, LP COLB — COLUMBIA BANKING SYSTEM INC

Ownership history in ARGA Investment Management, LP  ·  10 quarters on record

AI Ownership Summary

ARGA Investment Management, LP reported COLUMBIA BANKING SYSTEM INC (COLB) in 10 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.13% in 2024 Q3. The latest visible filing shows COLB at 0.07% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this COLB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ARGA Investment Management, LP's position in COLUMBIA BANKING SYSTEM INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

COLB was reported at 0.07% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.13% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

COLB stock page ARGA Investment Management, LP fund profile ARGA Investment Management, LP full holdings
How ARGA Investment Management, LP held COLB — position size vs. price
% of Fund (quarterly)    COLB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 82,790 -7,257 -8.1% 0.07% $2.3M 2026-04-30 $29.23
2025 Q4 UNCHANGED — — — 90,047 — 0% 0.07% $2.5M 2026-01-30 $28.72
2025 Q3 UNCHANGED — — — 90,047 — 0% 0.06% $2.3M 2025-10-31 $25.80
2025 Q2 UNCHANGED — — — 90,047 — 0% 0.06% $2.1M 2025-07-31 $22.61
2025 Q1 UNCHANGED — — — 90,047 — 0% 0.08% $2.2M 2025-04-30 $20.98
2024 Q4 REDUCED 39.6% -6.4% ✅ 90,047 -59,023 -39.6% 0.08% $2.4M 2025-01-27 $25.97
2024 Q3 UNCHANGED — — — 149,070 — 0% 0.13% $3.9M 2024-11-14 $28.40
2024 Q2 ADDED — — — 149,070 +73,174 +96.4% 0.10% $3.0M 2024-07-31 $23.51
2024 Q1 UNCHANGED — — — 75,896 — 0% 0.05% $1.5M 2024-04-12 $15.57
2023 Q4 INITIATED — — — 75,896 — — 0.07% $2.0M 2024-02-08 $16.24

🏢 Other funds also holding COLB

As of 2026 Q1 — sorted by position size

HoldCo Asset Management, LP 3Y 11.68% Stieven Capital Advisors, L.P. 3Y 7Y 6.95% PMC FIG Opportunities LLC 4.97% Expect Equity LLC 3.77% LONE PEAK GLOBAL INVESTORS LLC 3Y 7Y 2.45% Channing Capital Management, LLC 3Y 7Y 2.27% Elizabeth Park Capital Advisors, Ltd. 3Y 7Y 2.1% Sippican Capital Advisors 3Y 7Y 1.99% MALTESE CAPITAL MANAGEMENT LLC 3Y 7Y 1.85% Rhino Investment Partners, Inc 3Y 1.83%

FAQ About ARGA Investment Management, LP and COLB

These are the practical questions this page is built to answer before you even open the full history table.

How long has ARGA Investment Management, LP reported owning COLB?

ARGA Investment Management, LP reported COLB across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported COLB position in ARGA Investment Management, LP's portfolio?

The largest reported portfolio weight for COLB was 0.13% in 2024 Q3.

What is the latest reported COLB position on this page?

The most recent filing on this page is 2026 Q1, when ARGA Investment Management, LP reported 82,790 shares, equal to 0.07% of portfolio, with an estimated market value of $2.3M.

What does the chart on this COLB ownership page compare?

The chart compares ARGA Investment Management, LP's quarterly COLB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ARGA Investment Management, LP time their COLB position?

Based on 13F filing dates vs. subsequent COLB price moves, ARGA Investment Management, LP correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on COLB relative to SPY over the holding period was +9.1%.

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