FAIRFIELD, BUSH & CO.
SEC Form 13F institutional filer · CIK 0001116247
13F-HR · 92 reported holdings · 2026-03-31
Reported long-US-equity value
$0.15B
Top-10 concentration
45.0%
FAIRFIELD, BUSH & CO. — $147M AUM allocation strategy
FAIRFIELD, BUSH & CO. files SEC Form 13F and reports $147M of long US equity value across 92 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 25.6%, followed by Consumer Staples 10.6% and Consumer Discretionary 8.2%.
The top 10 holdings account for 45% of reported value — a broadly spread portfolio. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
FAIRFIELD, BUSH & CO. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$147M
total across 92 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
45% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IBM +1.69K sh · +$98K+$AAPL +1.29K sh · −$15.9K+$ANET +1.07K sh · −$50.6K
Biggest trims (shares)
−$ADM −3.97K sh · +$1.81M−$WMT −3.83K sh · −$50.6K−$ORCL −3.73K sh · −$2.52M
Exited to nil (held last quarter, gone now)
$CMG ($268K last qtr)$QTOP ($228K last qtr)$HOOD ($212K last qtr)
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Semiconductors8.6%—
- Systems Software7.7%—
- Agricultural Products & Services6.6%—
- Interactive Media & Services5.9%—
- Broadline Retail5.9%—
- Integrated Oil & Gas3.9%—
- Application Software3.8%—
- Pharmaceuticals3.5%—
- Other holdings54.1%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $ADM | Archer-Daniels-Midland Company | 134K | $9.74M | -3.97K | 6.6% |
| $MSFT | Microsoft Corporation | 23.9K | $8.83M | -1.71K | 6.0% |
| $GOOGL | Alphabet Inc | 30.3K | $8.7M | -1.41K | 5.9% |
| $AMZN | Amazon.com Inc | 41.2K | $8.59M | -343 | 5.8% |
| $AVGO | Broadcom Inc | 24K | $7.43M | -682 | 5.1% |
| $ORCL | Oracle Corporation | 37.6K | $5.53M | -3.73K | 3.8% |
| $AAPL | Apple Inc | 20.2K | $5.14M | +1.29K | 3.5% |
| $JPM | JP Morgan Chase & Co | 17K | $5M | -304 | 3.4% |
| $WMT | Walmart Inc | 29.2K | $3.63M | -3.83K | 2.5% |
| $LOW | Lowe's Companies Inc | 15.1K | $3.57M | -526 | 2.4% |
…and 82 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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