Illinois Municipal Retirement Fund / COST
Illinois Municipal Retirement Fund’s Costco Wholesale Corporation Position
Does Illinois Municipal Retirement Fund own Costco Wholesale Corporation (COST)? Yes — 55.3K shares worth $55M (+0.70% of its 13F portfolio) as of Q1 2026, down from 57.0K shares the prior filed quarter.
Position Value
$55M
Q1 2026
Shares
55.3K
% of Portfolio
+0.70%
Quarters Held
26
currently held
Position History COST
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 55.3K | $55M | +0.70% |
| Q4 2025 | 57.0K | $49M | +0.62% |
| Q3 2025 | 48.4K | $45M | +0.57% |
| Q2 2025 | 49.8K | $49M | +0.67% |
| Q1 2025 | 45.3K | $43M | +0.62% |
| Q4 2024 | 46.1K | $42M | +0.60% |
| Q3 2024 | 43.8K | $39M | +0.55% |
| Q2 2024 | 46.6K | $40M | +0.60% |
| Q1 2024 | 49.9K | $36,583 | +0.56% |
| Q4 2023 | 62.3K | $41,135 | +0.69% |
| Q3 2023 | 59.0K | $33,345 | +0.62% |
| Q2 2023 | 59.1K | $31,798 | +0.64% |
| Q1 2023 | 70.9K | $35,236 | +0.75% |
| Q4 2022 | 57.1K | $26,052 | +0.59% |
| Q3 2022 | 70.1K | $33M | +0.81% |
| Q2 2022 | 61.6K | $30M | +0.69% |
| Q1 2022 | 46.9K | $27M | +0.80% |
| Q4 2021 | 45.8K | $26M | +0.73% |
| Q3 2021 | 47.9K | $22M | +0.79% |
| Q2 2021 | 47.9K | $19M | +0.77% |
| Q1 2021 | 59.6K | $21M | +0.92% |
| Q4 2020 | 59.8K | $23M | +1.05% |
| Q3 2020 | 13.5K | $5M | +0.64% |
| Q2 2020 | 6.1K | $2M | +0.77% |
| Q1 2020 | 10.8K | $3M | +1.53% |
| Q4 2019 | 4.1K | $1M | +0.46% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Illinois Municipal Retirement Fund’s full portfolio or all institutional holders of COST.