Managers / Q4 2023 · view latest →
FAIRFIELD, BUSH & CO.
CIK 0001116247 · 320 BOSTON POST ROAD, SUITE 150, DARIEN, CT, 06820 · 2037775900
Summary
Fairfield, Bush & Co. reported $171M in U.S.-listed holdings across 530 positions for Q4 2023.
Its largest position, MSFT, represents 6.6% of the portfolio.
Compared with Q3 2023, the fund opened 423 new positions and exited 3.
Portfolio Metrics
Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded, with multiple share classes and repeated sub-manager rows for the same issuer combined into one position — the same rule the holdings table uses by default. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.
Reported Value by Quarter
Portfolio Composition
- Common Stock · 85.2% · $145M
- ADR · 6.2% · $11M
- ETP · 4.2% · $7M
- Other · 3.5% · $6M
- REIT · 0.6% · $967,734
- Other · 0.4% · $762,733
Quarter-over-Quarter Changes full breakdown →
vs Q3 2023 (amended baseline)
| Issuer | Move | Share Δ | Shares now | Value Δ | Value now |
|---|---|---|---|---|---|
| ISHARES RUSSELL 2000 ETF | NEW | +3.0K | 3.0K | +$607,556 | $607,556 |
| VRTXVERTEX PHARMACEUTICALS INC COM | NEW | +1.4K | 1.4K | +$568,018 | $568,018 |
| INVESCO S&P 500 EQUAL WEIGHT ETF | NEW | +2.4K | 2.4K | +$381,560 | $381,560 |
| VUGVANGUARD GROWTH ETF | NEW | +876 | 876 | +$272,337 | $272,337 |
| ISHARES RUSSELL MIDCAP ETF | NEW | +3.1K | 3.1K | +$240,832 | $240,832 |
| MBINMERCHANTS BANCORP IND COM | NEW | +5.3K | 5.3K | +$226,019 | $226,019 |
| DUKDUKE ENERGY CORP NEW COM NEW | NEW | +2.3K | 2.3K | +$222,416 | $222,416 |
| TSLATESLA INC COM | NEW | +849 | 849 | +$210,960 | $210,960 |
Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.
Holdings — Q4 2023
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $180M | 119 | May 12, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $190M | 115 | Feb 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $195M | 120 | Nov 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $177M | 110 | Aug 15, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $158M | 109 | May 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $170M | 110 | Feb 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $168M | 111 | Nov 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $167M | 111 | Aug 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $169M | 116 | May 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $171M | 530 | Feb 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $153M | 110 | Nov 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $363M | 563 | Aug 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $284M | 143 | May 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $151M | 120 | Feb 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $142M | 119 | Nov 7, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $170M | 517 | Aug 9, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $199M | 126 | May 12, 2022 | RESTATEMENT | changes · EDGAR ↗ |
| Q4 2021 | $209M | 130 | Feb 9, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $308M | 181 | Nov 8, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $368M | 153 | Aug 2, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $350M | 163 | May 14, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $343M | 152 | Feb 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $313M | 145 | Nov 18, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $280M | 143 | Aug 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $241M | 130 | May 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $272M | 145 | Feb 12, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $289M | 157 | Nov 13, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $294M | 149 | Aug 13, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $301M | 148 | May 15, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $291M | 147 | Feb 11, 2019 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.