Blue Grotto Capital, LLC
SEC Form 13F institutional filer · CIK 0001764725
13F-HR · 9 reported holdings · 2026-03-31
Reported long-US-equity value
$0.35B
Top-10 concentration
100.0%
Blue Grotto Capital, LLC — $352M AUM allocation strategy
Blue Grotto Capital, LLC files SEC Form 13F and reports $352M of long US equity value across 9 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 44.9%, followed by Financials 25.8% and Industrials 13.9%.
The top 10 holdings account for 100% 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.
Blue Grotto Capital, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$352M
total across 9 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
100% of value
higher = narrower conviction; lower = spread / hedging
Exited to nil (held last quarter, gone now)
$CRH ($55.9M last qtr)$KEYS ($47.8M last qtr)$AMZN ($44.6M last qtr)$GOOGL ($42.6M last qtr)$MSFT ($40.7M 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)
- Internet Services & Infrastructure19.6%—
- Semiconductors17.4%—
- Consumer Finance14.6%—
- Construction & Engineering13.9%—
- Transaction & Payment Processing Services11.2%—
- Leisure Products8.0%—
- Technology Distributors7.9%—
- Interactive Home Entertainment6.6%—
- Other holdings0.8%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AKAM | Akamai Technologies Inc | 600K | $68.9M | — | 19.6% |
| $NVDA | NVIDIA Corporation | 350K | $61M | — | 17.4% |
| $COF | Capital One Financial Corporation | 281K | $51.3M | — | 14.6% |
| $FIX | Comfort Systems USA Inc | 35.5K | $48.9M | -20.1K | 13.9% |
| $V | Visa Inc | 131K | $39.5M | — | 11.2% |
| $HAS | Hasbro Inc | 300K | $28.1M | +70K | 8.0% |
| $CDW | CDW Corporation | 230K | $27.8M | -150K | 7.9% |
| $TTWO | Take-Two Interactive Software Inc | 118K | $23.2M | +47.9K | 6.6% |
| $BKNG | Booking Holdings Inc | 17K | $2.86M | — | 0.8% |
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.
Newsletter signup
Free subscription. Daily trading day morning dispatch. No spam.