MAINSAIL ASSET MANAGEMENT, LLC
SEC Form 13F institutional filer · CIK 0002016972
13F-HR · 70 reported holdings · 2026-03-31
Reported long-US-equity value
$0.07B
Top-10 concentration
61.3%
MAINSAIL ASSET MANAGEMENT, LLC — $66.9M AUM allocation strategy
MAINSAIL ASSET MANAGEMENT, LLC files SEC Form 13F and reports $66.9M of long US equity value across 70 reported holdings for 2026-03-31.
Its largest sector bet is Industrials 26.5%, followed by Information Technology 20.2% and Communication Services 6.2%.
The top 10 holdings account for 61% of reported value — a conviction-weighted book concentrated in its best ideas. 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.
MAINSAIL ASSET MANAGEMENT, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$66.9M
total across 70 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
61% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$WMT +5.34K sh · +$721K+$JPM +2.02K sh · +$530K+$AAPL +1.57K sh · +$13K
Biggest trims (shares)
−$AMZN −1.45K sh · −$555K−$CNC −1.3K sh · −$108K−$ORCL −917 sh · −$302K
Exited to nil (held last quarter, gone now)
$PEP ($339K last qtr)$VRSN ($243K last qtr)$NOW ($230K last qtr)$EXPE ($222K last qtr)$GD ($219K 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)
- Diversified Support Services26.5%—
- Technology Hardware, Storage & Peripherals8.7%—
- Semiconductors4.4%—
- Interactive Media & Services4.2%—
- Systems Software4.0%—
- Application Software3.1%—
- Broadline Retail3.1%—
- Automobile Manufacturers2.2%—
- Other holdings43.8%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $CTAS | Cintas Corporation | 105K | $17.7M | +9 | 26.5% |
| $AAPL | Apple Inc | 22.9K | $5.82M | +1.57K | 8.7% |
| $MSFT | Microsoft Corporation | 7.18K | $2.66M | +1.4K | 4.0% |
| $NVDA | NVIDIA Corporation | 12.8K | $2.24M | +1.29K | 3.3% |
| $PLTR | Palantir Technologies Inc | 14.2K | $2.08M | -301 | 3.1% |
| $GOOGL | Alphabet Inc | 7.12K | $2.04M | +1.27K | 3.1% |
| $AMZN | Amazon.com Inc | 9.78K | $2.04M | -1.45K | 3.0% |
| $TSLA | Tesla Inc | 4.02K | $1.49M | +48 | 2.2% |
…and 62 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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