LuminArx Capital Management LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1992915) · Explore on the interactive board
LuminArx Capital Management LP disclosed 55 US equity positions worth $216.3m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is SPY at 27.6% of the reported book, followed by TJX, CIFR. The top ten holdings are 65.0% of the book, and the portfolio behaves like about 10 equal-weight positions. Versus the prior filing it opened 38 new positions, added to 7, reduced 4 and exited 25. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does LuminArx Capital Management LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 38 new, 7 added, 4 reduced, 25 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | SPY State Street SPDR S&P 500 ETF | 27.6% | $59.7m | 80,000 | 256% | added | |
| 2 | TJX TJX Companies Inc | Consumer Cyclical | 6.0% | $12.9m | 85,000 | – | new |
| 3 | CIFR Cipher Digital Inc | Technology | 5.2% | $11.2m | 2,000,000 | – | new |
| 4 | SNDA Sonida Senior Living Inc | Healthcare | 4.9% | $10.6m | 258,750 | 0% | held |
| 5 | TGT Target Corp | Consumer Defensive | 4.8% | $10.4m | 80,000 | – | new |
| 6 | Bain Capital GSS Investment Corp | 4.8% | $10.3m | 1,003,379 | 0% | held | |
| 7 | K&F Growth Acquisition II Corp | 3.7% | $8.0m | 750,000 | 0% | held | |
| 8 | IWM iShares Russell 2000 ETF | 2.8% | $6.0m | 20,000 | -76% | reduced | |
| 9 | IREN IREN Ltd | Financial Services | 2.7% | $5.9m | 2,000,000 | – | new |
| 10 | JBLU JetBlue Airways Corp | Industrials | 2.6% | $5.5m | 5,000,000 | – | new |
| 11 | EQV Ventures Acquisition Corp II | 2.0% | $4.4m | 425,000 | 0% | held | |
| 12 | SO Southern Co | Utilities | 1.9% | $4.2m | 4,000,000 | – | new |
| 13 | RIOT Riot Platforms Inc | Financial Services | 1.9% | $4.0m | 2,000,000 | – | new |
| 14 | RUN Sunrun Inc | Technology | 1.7% | $3.6m | 3,074,000 | – | new |
| 15 | KRMN Karman Holdings Inc | Industrials | 1.6% | $3.5m | 70,000 | – | new |
| 16 | SNOW Snowflake Inc | Technology | 1.6% | $3.4m | 2,000,000 | – | new |
| 17 | FTW Presidio Production Co | 1.5% | $3.3m | 270,098 | 8% | added | |
| 18 | SHAZ SharonAI Holdings Inc | Technology | 1.4% | $3.1m | 36,374 | 148% | added |
| 19 | BW Babcock & Wilcox Enterprises Inc | 1.3% | $2.9m | 205,200 | – | new | |
| 20 | QXO QXO Inc | Industrials | 1.2% | $2.6m | 150,000 | – | new |
| 21 | BABA Alibaba Group Holding Ltd | Consumer Cyclical | 1.1% | $2.4m | 2,000,000 | – | new |
| 22 | F Ford Motor Co | Consumer Cyclical | 1.1% | $2.3m | 165,000 | – | new |
| 23 | Whitehawk Minerals Corp | 1.0% | $2.2m | 77,852 | – | new | |
| 24 | ADT ADT Inc | Industrials | 1.0% | $2.1m | 318,366 | – | new |
| 25 | IYR iShares Trust - iShares U.S. Real Estate ETF | 0.9% | $2.0m | 20,000 | – | new | |
| 26 | XLE State Street Energy Select Sector SPDR ETF | 0.9% | $2.0m | 37,500 | 275% | added | |
| 27 | MUX McEwen Inc | 0.9% | $1.9m | 1,000,000 | – | new | |
| 28 | GOOG Alphabet Inc | Communication Services | 0.9% | $1.9m | 37,500 | – | new |
| 29 | GOOGL Alphabet Inc | Communication Services | 0.9% | $1.9m | 37,500 | – | new |
| 30 | XE X-Energy Inc | Industrials | 0.8% | $1.8m | 100,000 | – | new |
| 31 | HAWK HawkEye 360 Inc | 0.8% | $1.7m | 82,500 | – | new | |
| 32 | XOP State Street SPDR S&P Oil & Gas Expl & Prod ETF | 0.7% | $1.5m | 10,000 | 33% | added | |
| 33 | EVRG Evergy Inc | Utilities | 0.7% | $1.4m | 1,000,000 | – | new |
| 34 | UPST Upstart Holdings Inc | Financial Services | 0.6% | $1.2m | 1,500,000 | – | new |
| 35 | UBER Uber Technologies Inc | Technology | 0.6% | $1.2m | 1,000,000 | – | new |
| 36 | LYV Live Nation Entertainment Inc | Communication Services | 0.6% | $1.2m | 1,000,000 | – | new |
| 37 | TXO Partners LP | 0.5% | $1.0m | 81,733 | 0% | held | |
| 38 | BA Boeing Co | Industrials | 0.5% | $1.0m | 15,000 | – | new |
| 39 | NEE Nextera Energy Inc | Utilities | 0.4% | $956.0k | 20,000 | – | new |
| 40 | ORCL Oracle Corp | Technology | 0.4% | $921.9k | 20,600 | – | new |
| 41 | JOBY Joby Aviation Inc | Industrials | 0.4% | $912.0k | 1,000,000 | – | new |
| 42 | KKR KKR & Co Inc | Financial Services | 0.4% | $780.0k | 20,000 | – | new |
| 43 | APC Arko Petroleum Corp | 0.4% | $761.9k | 40,418 | -8% | reduced | |
| 44 | MAC Macerich Co | Real Estate | 0.3% | $755.7k | 30,000 | – | new |
| 45 | METC Ramaco Resources Inc | Basic Materials | 0.3% | $748.4k | 1,000,000 | – | new |
| 46 | ARES Ares Management Corp | Financial Services | 0.3% | $720.0k | 20,000 | – | new |
| 47 | EEM iShares MSCI Emerging Markets ETF | 0.3% | $684.1k | 10,000 | -50% | reduced | |
| 48 | FLY Firefly Aerospace Inc. | Industrials | 0.3% | $661.5k | 22,500 | 12% | added |
| 49 | HUMA Humacyte Inc | 0.2% | $507.3k | 650,000 | – | new | |
| 50 | EQPT Equipmentshare.Com Inc | Industrials | 0.2% | $484.6k | 24,649 | – | new |
What did LuminArx Capital Management LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| CIFR CIPHER DIGITAL INC | 11.3% | $6.2m |
| IREN IREN LIMITED | 8.4% | $4.6m |
| JBLU JETBLUE AIRWAYS CORP | 5.3% | $2.9m |
| ALIBABA GROUP HLDG LTD | 5.1% | $2.8m |
| SARO STANDARDAERO INC | 4.5% | $2.5m |
| RIOT PLATFORMS INC | 4.2% | $2.3m |
| NRG NRG ENERGY INC | 4.0% | $2.2m |
| APTV APTIV PLC | 3.2% | $1.8m |
| SOUTHERN CO | 3.1% | $1.7m |
| WISDOMTREE INC | 2.5% | $1.4m |
| MACH NATURAL RESOURCES LP | 2.5% | $1.4m |
| EVRG EVERGY INC | 2.5% | $1.4m |
| VZ VERIZON COMMUNICATIONS INC | 2.3% | $1.3m |
| SNOW SNOWFLAKE INC | 2.2% | $1.2m |
| UBER UBER TECHNOLOGIES INC | 2.2% | $1.2m |
| SUNRUN INC | 2.2% | $1.2m |
| SNOW SNOWFLAKE INC | 2.2% | $1.2m |
| LIVE NATION ENTERTAINMENT IN | 2.0% | $1.1m |
| UPSTART HLDGS INC | 2.0% | $1.1m |
| CZR CAESARS ENTERTAINMENT INC NE | 1.9% | $1.1m |
| NEXTERA ENERGY INC | 1.8% | $1.0m |
| BOEING CO | 1.8% | $969.8k |
| YOU CLEAR SECURE INC | 1.8% | $968.2k |
| ORACLE CORP | 1.7% | $928.0k |
| BANC BANC OF CALIFORNIA INC | 1.6% | $879.0k |
Sector mix
| Sector | Weight |
|---|---|
| Technology | 10.9% |
| Industrials | 8.6% |
| Consumer Cyclical | 8.1% |
| Financial Services | 5.8% |
| Healthcare | 4.9% |
| Consumer Defensive | 4.8% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is LuminArx Capital Management LP's portfolio?
Across every quarter LuminArx Capital Management LP has filed, its median largest position is 21.7% of the book and its median top-ten weight is 63.7%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 40.0 completed holding spells, the median lasted 1.0 quarters; 55.0 positions are still open and their final length is unknown.