LC
LuminArx Capital Management LP — 13F Portfolio Report & Top Holdings (Q2 2026)
LuminArx Capital Management LPCIK: 0001992915
High-turnover traderMomentum followerQuality / disciplined sizing
Total reported value
$224.4M
Reporting period: 2026-06-30 · Number of holdings: 118
LuminArx Capital Management LP disclosed 118 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $224.4M and a quarterly turnover rate of 131.4%.
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Personality snowflake
- Concentration
- 37.45
- Portfolio Stability
- 100
- Momentum
- 100
- Sector conviction
- 70.26
- Diversification
- 100
- Sizing Uniformity
- 75.68
LuminArx Capital Management LP's disclosed holdings carry a Herfindahl concentration index of 0.094 — mathematically equivalent to about 11 equally-sized positions, well below its 118 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.43), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 39% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd SPY
+1966.7% $46.1M
Trim IWM
+276.5% -$14.6M
New buy TJX
New buy CIFR
New buy TGT
Sold out CIFR 1.75 05-15-30
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
Showing top 73 holdings (of 118 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 27.06% | +16.32% | +1966.67% | |
| 2 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 6.17% | +6.17% | NEW | |
| 3 | CIFR | Cipher Digital Inc | Stock-Tech | 5.02% | +5.02% | NEW | |
| 4 | TGT | Target CORP | Stock-Consumer Disc | 4.97% | +4.97% | NEW | |
| 5 | SNDA | Sonida Senior Living Inc | Stock-Other | 4.70% | -1.43% | — | |
| 6 | ✓ | Bain Cap Gss Invt CORP | Stock-Other | 4.65% | -2.80% | +20.00% | |
| 7 | ✓ | K&f Growth Acquisition CORP | Stock-Other | 3.55% | -2.34% | — | |
| 8 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 2.88% | -12.60% | +276.47% | |
| 9 | IREN | IREN Limited | Stock-Other | 2.61% | +2.61% | NEW | |
| 10 | JBLU | Jetblue Airways CORP | Stock-Industrials | 2.47% | +2.47% | NEW | |
| 11 | ✓ | Stock-Other | 1.95% | -1.22% | — | ||
| 12 | SO | Southern Co/the | Stock-Utilities | 1.86% | +1.86% | NEW | |
| 13 | RIOT | Riot Platforms Inc | Stock-Financials | 1.79% | +1.79% | NEW | |
| 14 | RUN | Sunrun Inc | Stock-Tech | 1.63% | +1.63% | NEW | |
| 15 | KRMN | Karman Holdings Inc | Stock-Industrials | 1.56% | +1.56% | NEW | |
| 16 | SNOW | Snowflake Inc | Stock-Tech | 1.53% | +1.53% | NEW | |
| 17 | FTW | Presidio Production Co-a | Stock-Other | 1.46% | -0.56% | +8.04% | |
| 18 | SHAZ | Sharonai Holdings Inc | Stock-Other | 1.42% | +1.17% | +283.81% | |
| 19 | BW | Babcock & Wilcox Enterpr | Stock-Other | 1.29% | +1.29% | NEW | |
| 20 | F | Ford Motor Co | Stock-Consumer Disc | 1.21% | +1.21% | NEW | |
| 21 | QXO | Qxo Inc | Stock-Industrials | 1.19% | +1.19% | NEW | |
| 22 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 1.05% | +1.05% | NEW | |
| 23 | XLE | Ss Energy Select Sector | ETF-Other | 0.98% | +0.53% | +1275.00% | |
| 24 | IYR | Ishares US Real Estate ETF | ETF-Other | 0.98% | +0.98% | NEW | |
| 25 | ✓ | Stock-Other | 0.97% | +0.97% | NEW | ||
| 26 | ADT | Adt Inc | Stock-Industrials | 0.92% | +0.92% | NEW | |
| 27 | MUX | Mcewen Inc | Stock-Other | 0.86% | +0.86% | NEW | |
| 28 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 0.84% | +0.84% | NEW | |
| 29 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 0.84% | +0.84% | NEW | |
| 30 | ✓ | Stock-Other | 0.82% | +0.82% | NEW | ||
| 31 | XOP | Ss Spdr S&p Og Exp & Prod | ETF-Other | 0.79% | -0.21% | +700.00% | |
| 32 | ✓ | Stock-Other | 0.74% | +0.74% | NEW | ||
| 33 | EVRG | Evergy Inc | Stock-Utilities | 0.63% | +0.63% | NEW | |
| 34 | UPST | Upstart Holdings Inc | Stock-Financials | 0.55% | +0.55% | NEW | |
| 35 | UBER | Uber Technologies Inc | Stock-Industrials | 0.53% | +0.53% | NEW | |
| 36 | LYV | Live Nation Entertainment In | Stock-Comm Services | 0.53% | +0.53% | NEW | |
| 37 | TXO | Txo Partners LP | Stock-Other | 0.46% | -0.29% | — | |
| 38 | BA | Boeing Co/the | Stock-Industrials | 0.45% | +0.45% | NEW | |
| 39 | NEE | Nextera Energy Inc | Stock-Utilities | 0.43% | +0.43% | NEW | |
| 40 | ORCL | Oracle CORP | Stock-Tech | 0.41% | +0.41% | NEW | |
| 41 | JOBY | Joby Aviation, Inc. | Stock-Industrials | 0.41% | +0.41% | NEW | |
| 42 | NVDA | Nvidia CORP | Stock-Tech | 0.38% | -0.26% | +3100.00% | |
| 43 | EEM | Ishares Msci Emerging Market | ETF-Emerging Markets | 0.35% | -0.48% | +375.00% | |
| 44 | KKR | Kkr & Co Inc | Stock-Financials | 0.35% | +0.35% | NEW | |
| 45 | APC | Arko Petroleum CORP | Stock-Other | 0.34% | -0.24% | -8.06% | |
| 46 | MAC | Macerich Co/the | Stock-Other | 0.34% | +0.34% | NEW | |
| 47 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.33% | +0.33% | NEW | |
| 48 | METC | Ramaco Resources Inc-a | Stock-Other | 0.33% | +0.33% | NEW | |
| 49 | ARES | Ares Management CORP - A | Stock-Financials | 0.32% | +0.32% | NEW | |
| 50 | FLY | Firefly Aerospace Inc | Stock-Other | 0.29% | -0.13% | +12.50% |
1–50 of 73
Portfolio Performance
Performance for Q3 2026
0%
Performance Last 4 Quarters
+10.4%
Based on 54% of reported portfolio value with available pricing
- Stdev
- +16.9%
- Beta
- +0.87
- Alpha
- -0.4%
- Max Drawdown
- -1.2%
- Annualized Perf
- +21.8%
- Batting Avg vs S&P
- +33.3%
- Sortino
- +3.56
- Stutzer
- +0.42
- Treynor
- +0.24
- Sterling
- —
- Calmar
- +18.66
- Information Ratio
- -0.68
- Tracking Error
- +5.3%
- Stdev Down
- +5.9%
- Winning Months %
- +66.7%
- Losing Months %
- +33.3%
- Best 12 Months
- —
- Worst 12 Months
- —
- Efficiency Ratio
- +0.5
- Sharpe
- +1.25
- Stdev Sectors
- +11.4%
- Skewness
- +0.62
- Kurtosis
- -0.67
- Upside Potential
- +5.31
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
Holding changes this quarter
LuminArx Capital Management LP's most significant position changes for 2026-06-30: New buy: Tjx Companies Inc (TJX); New buy: Cipher Digital Inc (CIFR); New buy: Target CORP (TGT); Sold out: Cipher Digital Inc (CIFR 1.75 05-15-30); New buy: IREN Limited (IREN).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SPY | Ss Spdr S&p 500 ETF Trust-us | +16.3% | +1966.67% | Add |
| 2 | TJX | Tjx Companies Inc | +6.2% | NEW | New buy |
| 3 | CIFR | Cipher Digital Inc | +5% | NEW | New buy |
| 4 | TGT | Target CORP | +5% | NEW | New buy |
| 5 | IREN | IREN Limited | +2.6% | NEW | New buy |
| 6 | JBLU | Jetblue Airways CORP | +2.5% | NEW | New buy |
| 7 | SO | Southern Co/the | +1.9% | NEW | New buy |
| 8 | RIOT | Riot Platforms Inc | +1.8% | NEW | New buy |
| 9 | RUN | Sunrun Inc | +1.6% | NEW | New buy |
| 10 | KRMN | Karman Holdings Inc | +1.6% | NEW | New buy |
| 11 | SNOW | Snowflake Inc | +1.5% | NEW | New buy |
| 12 | BW | Babcock & Wilcox Enterpr | +1.3% | NEW | New buy |
| 13 | F | Ford Motor Co | +1.2% | NEW | New buy |
| 14 | QXO | Qxo Inc | +1.2% | NEW | New buy |
| 15 | SHAZ | Sharonai Holdings Inc | +1.2% | +283.81% | Add |
| 16 | BABA | Alibaba Group Holding-sp Adr | +1.1% | NEW | New buy |
| 17 | IYR | Ishares US Real Estate ETF | +1% | NEW | New buy |
| 18 | ✓ | +1% | NEW | New buy | |
| 19 | ADT | Adt Inc | +0.9% | NEW | New buy |
| 20 | MUX | Mcewen Inc | +0.9% | NEW | New buy |
| 21 | GOOGL | Alphabet Inc-cl A | +0.8% | NEW | New buy |
| 22 | GOOG | Alphabet Inc-cl C | +0.8% | NEW | New buy |
| 23 | ✓ | +0.8% | NEW | New buy | |
| 24 | ✓ | +0.7% | NEW | New buy | |
| 25 | EVRG | Evergy Inc | +0.6% | NEW | New buy |
| 26 | UPST | Upstart Holdings Inc | +0.6% | NEW | New buy |
| 27 | XLE | Ss Energy Select Sector | +0.5% | +1275.00% | Add |
| 28 | UBER | Uber Technologies Inc | +0.5% | NEW | New buy |
| 29 | LYV | Live Nation Entertainment In | +0.5% | NEW | New buy |
| 30 | BA | Boeing Co/the | +0.5% | NEW | New buy |
| 31 | NEE | Nextera Energy Inc | +0.4% | NEW | New buy |
| 32 | ORCL | Oracle CORP | +0.4% | NEW | New buy |
| 33 | JOBY | Joby Aviation, Inc. | +0.4% | NEW | New buy |
| 34 | KKR | Kkr & Co Inc | +0.4% | NEW | New buy |
| 35 | MAC | Macerich Co/the | +0.3% | NEW | New buy |
| 36 | AMZN | Amazon.com Inc | +0.3% | NEW | New buy |
| 37 | METC | Ramaco Resources Inc-a | +0.3% | NEW | New buy |
| 38 | ARES | Ares Management CORP - A | +0.3% | NEW | New buy |
| 39 | HUMA | Humacyte Inc | +0.2% | NEW | New buy |
| 40 | EQPT | Equipmentshare.com Inc-a | +0.2% | NEW | New buy |
| 41 | NMG | Nouveau Monde Graphite Inc | +0.2% | NEW | New buy |
| 42 | AAPL | Apple Inc | +0.2% | NEW | New buy |
| 43 | MAGS | Roundhill Magnificent Seven | +0.1% | NEW | New buy |
| 44 | NFLX | Netflix Inc | +0.1% | NEW | New buy |
| 45 | NUAI | New Era Energy & Digital Inc | +0.1% | NEW | New buy |
| 46 | NBIS | Nebius Group N.V. | +0.1% | NEW | New buy |
| 47 | FLUT | Flutter Entertainment plc | 0% | NEW | New buy |
| 48 | GLND | Greenland Energy Co | 0% | NEW | New buy |
| 49 | SMH | Vaneck Semiconductor ETF | 0% | NEW | New buy |
| 50 | XLI | Ss Industrial Select Sector | 0% | NEW | New buy |
1–50 of 135
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Filing History
FAQ
What is LuminArx Capital Management LP and what type of investor is it?
LuminArx Capital Management LP is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $224.4M, spread across 118 disclosed positions.
What are LuminArx Capital Management LP's largest equity positions?
Based on the latest 13F filing, LuminArx Capital Management LP's top holdings by market value are:
1. Ss Spdr S&p 500 ETF Trust-us (SPY) — $60.7M (27.1%)
2. Tjx Companies Inc (TJX) — $13.8M (6.2%)
3. Cipher Digital Inc (CIFR) — $11.3M (5.0%)
4. Target CORP (TGT) — $11.1M (5.0%)
5. Sonida Senior Living Inc (SNDA) — $10.6M (4.7%)
What changes did LuminArx Capital Management LP make in its most recent portfolio filing?
In the latest reported quarter, LuminArx Capital Management LP made 131 notable position adjustments: 52 new positions were initiated, 15 existing holdings were added to, 2 positions were partially reduced, and 62 were completely exited. The largest of these moves: New buy: Tjx Companies Inc (TJX); New buy: Cipher Digital Inc (CIFR); New buy: Target CORP (TGT); Sold out: Cipher Digital Inc (CIFR 1.75 05-15-30); New buy: IREN Limited (IREN)
What sectors does LuminArx Capital Management LP focus on?
LuminArx Capital Management LP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Consumer Discretionary: 35.5%
• Information Technology: 23.5%
• Industrials: 19.4%
• Financials: 7.8%
• Utilities: 7.5%
• Communication Services: 5.9%
Investment Profile
LuminArx Capital Management LP returned an annualized 21.8% over the trailing 6 months — underperforming the S&P 500 by 0.4 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.87 (less volatile than the market) and a 33% quarterly batting average against the index.
Its portfolio is moderately concentrated and fast-trading, with 35.5% of the portfolio concentrated in Consumer Discretionary.
Its turnover score has risen from 0 to 100 over the past 2 quarters — a shift toward more active trading.
It has added to its SPY position over the past two quarters (+$59.8M, now $60.7M), while trimming TXO over the same stretch (-$2.8M, still holding $1.0M).
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Developer Access
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REST API
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