Longitude (Cayman) Ltd.
SEC Form 13F institutional filer · CIK 0001664999
13F-HR · 13 reported holdings · 2026-03-31
Reported long-US-equity value
$0.06B
Top-10 concentration
99.8%
Longitude (Cayman) Ltd. — $55.8M AUM allocation strategy
Longitude (Cayman) Ltd. files SEC Form 13F and reports $55.8M of long US equity value across 13 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 51.9%, followed by Consumer Discretionary 28.9% and Communication Services 18.2%.
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.
Longitude (Cayman) Ltd. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$55.8M
total across 13 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
100% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$AMD +9.1K sh · +$1.12M+$SMCI +3.5K sh · −$50.3K+$AAPL +1.7K sh · +$59.2K
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)
- Semiconductors40.8%—
- Automobile Manufacturers19.7%—
- Interactive Media & Services18.2%—
- Technology Hardware, Storage & Peripherals11.1%—
- Broadline Retail9.1%—
- Investment Banking & Brokerage1.0%—
- Restaurants0.1%—
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 |
|---|---|---|---|---|---|
| $AMD | Advanced Micro Devices Inc | 77.1K | $15.7M | +9.1K | 28.1% |
| $TSLA | Tesla Inc | 29.6K | $11M | +1.6K | 19.7% |
| $NVDA | NVIDIA Corporation | 37.7K | $6.57M | -300 | 11.8% |
| $AAPL | Apple Inc | 22.3K | $5.66M | +1.7K | 10.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 17.7K | $5.09M | +1.4K | 9.1% |
| $META | Meta Platforms Inc | 8.85K | $5.06M | +850 | 9.1% |
| $AMZN | Amazon.com Inc | 24.3K | $5.06M | +1.2K | 9.1% |
| $HOOD | Robinhood Markets Inc | 8K | $554K | — | 1.0% |
| $SMCI | Super Micro Computer Inc | 23.5K | $535K | +3.5K | 1.0% |
| $MU | Micron Technology Inc | 1.5K | $507K | — | 0.9% |
…and 3 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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