LuminArx Capital Management LP
SEC Form 13F institutional filer · CIK 0001992915
13F-HR · 15 reported holdings · 2026-03-31
Reported long-US-equity value
$0.05B
Top-10 concentration
93.8%
LuminArx Capital Management LP — $48.3M AUM allocation strategy
LuminArx Capital Management LP files SEC Form 13F and reports $48.3M of long US equity value across 15 reported holdings for 2026-03-31.
Its largest sector bet is Consumer Discretionary 5.0%, followed by Utilities 4.5% and Information Technology 3.7%.
The top 10 holdings account for 94% 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.
LuminArx Capital Management LP — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$48.3M
total across 15 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
94% of value
higher = narrower conviction; lower = spread / hedging
Exited to nil (held last quarter, gone now)
$AAPL ($3.81M last qtr)$TPR ($2.56M last qtr)$FISV ($2.35M last qtr)$WMT ($1.95M last qtr)$KO ($1.4M 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)
- Independent Power Producers & Energy Traders4.5%—
- Automotive Parts & Equipment3.7%—
- Asset Management & Custody Banks3.2%—
- Integrated Telecommunication Services2.6%—
- Aerospace & Defense2.0%—
- Application Software1.9%—
- Semiconductors1.8%—
- Single-Family Residential REITs1.8%—
- Other holdings78.5%—
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 |
|---|---|---|---|---|---|
| $NRG | NRG Energy Inc | 15K | $2.19M | — | 4.5% |
| $APTV | Aptiv PLC | 30K | $1.76M | — | 3.7% |
| $VZ | Verizon Communications Inc | 25K | $1.25M | — | 2.6% |
| $BA | Boeing Company | 15K | $970K | +0 | 2.0% |
| $ORCL | Oracle Corporation | 20.6K | $928K | — | 1.9% |
| $NVDA | NVIDIA Corporation | 5K | $872K | — | 1.8% |
| $INVH | Invitation Homes Inc | 35K | $870K | — | 1.8% |
| $KKR | KKR & Co. Inc | 20K | $802K | -1.33K | 1.7% |
…and 7 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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