LuminArx Capital Management LP
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), LuminArx Capital Management LP reported 41 stock positions worth $96.3 million. Its top holding was iShares Russell 2000 ETF (IWM) at 21.9% of the portfolio, followed by SS SPDR S&P 500 ETF Trust-US (SPY, 15.2%) and Bain Capital GSS Inv- A (BCSS, 10.5%). Compared with Q4 2025, it opened 32 new positions, sold out of 32, added to 1 and reduced 4. The biggest buy was a new position in SS SPDR S&P 500 ETF Trust-US (SPY) and the biggest sale an exit from Apple (AAPL).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001992915
- Portfolio Value
- $96.3M (Q1 2026)
- SEC Filing
- 0001992915-26-000002 ↗ filed May 14, 2026
Holdings Value
Holdings 41 stocks · $96.3M
| IWM iShares Russell 2000 ETF | 21.89% | 85,000 | $21.1M | Add +36.0% |
| SPY SS SPDR S&P 500 ETF Trust-US | 15.20% | 22,500 | $14.6M | New |
| BCSS Bain Capital GSS Inv- A | 10.54% | 1,003,379 | $10.1M | New |
| SNDA Sonida Senior Living Inc. | 8.67% | 258,750 | $8.3M | New |
| KFIIU K&F Growth Acquisition Corp. | 8.33% | 750,000 | $8.0M | No change |
| EVAC.U Eqv Ventures Acquisition Cor | 4.48% | 425,000 | $4.3M | No change |
| FTW Presidio Production Co. Class A | 2.86% | 250,000 | $2.8M | New |
| SARO Standardaero Inc. | 2.55% | 95,000 | $2.5M | New |
| NRG NRG Energy Inc. | 2.28% | 15,000 | $2.2M | New |
| APTV Aptiv PLC | 1.83% | 30,000 | $1.8M | New |
| XOP SS SPDR S&P Og Exp & Prod | 1.42% | 7,500 | $1.4M | New |
| MNR Mach Natural Resources LP | 1.41% | 96,839 | $1.4M | Reduce -69.7% |
| VZ Verizon Communications Inc. | 1.30% | 25,000 | $1.3M | New |
| EEM iShares MSCI Emerging Market | 1.18% | 20,000 | $1.1M | New |
| CELH Celsius Holdings Inc. | 1.11% | 30,000 | $1.1M | New |
| CZR Caesars Entertainment Inc. | 1.10% | 40,000 | $1.1M | New |
| TXO Txo Partners LP | 1.07% | 81,733 | $1.0M | Reduce -76.9% |
| YOU Clear Secure Inc. Class A | 1.01% | 20,000 | $968K | New |
| BANC Banc of California Inc. | 0.91% | 50,000 | $879K | New |
| NVDA Nvidia Corp. | 0.91% | 5,000 | $872K | New |
| INVH Invitation Homes Inc. | 0.90% | 35,000 | $870K | New |
| TLT iShares 20+ Year Treasury BD | 0.90% | 10,000 | $867K | New |
| APC Arko Petroleum Corp. | 0.82% | 43,963 | $786K | New |
| PEP Pepsico Inc. | 0.81% | 5,000 | $776K | New |
| PRMB Primo Brands Corp. | 0.78% | 40,000 | $753K | New |
| BHC Bausch Health Cos Inc. | 0.70% | 125,000 | $675K | New |
| BKNG Booking Holdings Inc. | 0.66% | 150 | $632K | New |
| XLE SS Energy Select Sector | 0.64% | 10,000 | $613K | No change |
| FLY Firefly Aerospace Inc. | 0.59% | 20,000 | $569K | Reduce -81.4% |
| KWEB Kranesh Csi China Internet | 0.59% | 20,000 | $569K | New |
| NIQ Niq Global Intelligence PLC | 0.47% | 40,000 | $455K | Reduce -15.1% |
| BTBT Bit Digital Inc. | 0.44% | 325,000 | $426K | New |
| SHAZ Sharonai Holdings Inc. | 0.35% | 14,688 | $334K | New |
| VGNT Versigent PLC | 0.33% | 10,000 | $319K | New |
| RZLV Rezolve AI PLC | 0.32% | 120,000 | $307K | New |
| XLU St Sr Utl SL SE SPDR ETF-Usd | 0.24% | 5,000 | $229K | New |
| ALOY Realloys Inc. | 0.20% | 20,000 | $195K | New |
| JAGU Jaguar Uranium Corp. Class A | 0.09% | 30,000 | $83K | New |
| ZONE Zone Frontier Inc. filed as CLEANCORE SOLUTIONS INC | 0.07% | 200,000 | $71K | No change |
| BCTX Briacell Therapeutics Corp. | 0.07% | 15,000 | $63K | New |
| WAY Waystar Holding Corp. | 0.00% | 62 | $1K | New |
Options reported separately and not counted above: ISHARES TR puts ($1.1M), STATE STR SPDR S&P 500 ETF T puts ($724K), SPDR SERIES TRUST puts ($234K), PEPSICO INC puts ($174K), SELECT SECTOR SPDR TR puts ($162K), CLEAR SECURE INC puts ($155K), CINEMARK HLDGS INC calls ($135K), ISHARES TR puts ($133K), NRG ENERGY INC calls ($101K), VERIZON COMMUNICATIONS INC puts ($98K), AMAZON COM INC calls ($85K), SPDR SERIES TRUST puts ($33K), and 6 more.
Other holdings (24): bonds, preferreds, convertibles and warrants · $36.8M (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| CIPHER DIGITAL INC (CIFR 1.75 05/15/30) | NOTE 1.750% 5/1 · principal | 2,000,000 | $6.2M | No change |
| IREN LTD (IREN 3.25 06/15/30) | NOTE 3.250% 6/1 · principal | 2,000,000 | $4.6M | No change |
| JETBLUE AIRWAYS CORP (JBLU 2.5 09/01/29) | NOTE 2.500% 9/0 · principal | 3,000,000 | $2.9M | Reduce -45.5% |
| ALIBABA GROUP HOLDING (BABA 0.5 06/01/31) | NOTE 0.500% 6/0 · principal | 2,000,000 | $2.8M | No change |
| RIOT PLATFORMS INC (RIOT 0.75 01/15/30) | NOTE 0.750% 1/1 · principal | 2,000,000 | $2.3M | No change |
| SOUTHERN CO (SO 4.5 06/15/27) | NOTE 4.500% 6/1 · principal | 1,500,000 | $1.7M | No change |
| WISDOMTREE INC (WT 3.25 08/15/29) | NOTE 3.250% 8/1 · principal | 1,000,000 | $1.4M | No change |
| EVERGY INC (EVRG 4.5 12/15/27) | NOTE 4.500%12/1 · principal | 1,000,000 | $1.4M | No change |
| SNOWFLAKE INC (SNOW 0 10/01/29) | NOTE 10/0 · principal | 1,000,000 | $1.2M | No change |
| UBER TECHNOLOGIES INC (UBER 0.875 12/01/28 2028) | NOTE 0.875%12/0 · principal | 1,000,000 | $1.2M | No change |
| SUNRUN INC (RUN 4 03/01/30) | NOTE 4.000% 3/0 · principal | 1,000,000 | $1.2M | No change |
| SNOWFLAKE INC (SNOW 0 10/01/27) | NOTE 10/0 · principal | 1,000,000 | $1.2M | No change |
| LIVE NATION ENTERTAINMEN (LYV 2.875 01/15/30) | NOTE 2.875% 1/1 · principal | 1,000,000 | $1.1M | No change |
| UPSTART HOLDINGS INC (UPST 1 11/15/30) | NOTE 1.000%11/1 · principal | 1,500,000 | $1.1M | No change |
| NEXTERA ENERGY INC (NEE 7.375 02/15/29) | UNIT 02/15/2029 | 20,000 | $1.0M | New |
| BOEING CO/THE (BA 6 10/15/27) | DEP CONV PFD A | 15,000 | $970K | New |
| ORACLE CORP (ORCL 6.5 01/15/29 D) | 6.5 DEP CUM SR D | 20,600 | $928K | New |
| JOBY AVIATION INC (JOBY 0.75 02/15/32) | NOTE 0.750% 2/1 · principal | 1,000,000 | $859K | New |
| KKR & CO INC (KKR 6.25 03/01/28 D) | 6.25 CON SER D | 20,000 | $802K | New |
| RAMACO RESOURCES INC (METC 0 11/01/31) | NOTE 11/0 · principal | 1,000,000 | $766K | No change |
| ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) | 6.75 SE B PFD | 20,000 | $726K | New |
| UPSTART HOLDINGS INC (UPST 2 10/01/29) | NOTE 2.000%10/0 · principal | 500,000 | $490K | No change |
| BCSS.WS Bain Capital GSS Investment | *W EXP 01/01/202 | 200,675 | $124K | New |
| BCTXL Briacell Therapeutics Corp. | *W EXP 01/15/203 | 25,000 | $26K | New |
Total filed on the 13F, all lines: $133.1M.
Portfolio Sells Q4 2025 → Q1 2026
| AAPL Apple Inc. | Sold out | 0.00% | −5.58 |
| TXO Txo Partners LP | Reduce -76.9% | 1.07% | −4.47 |
| MNR Mach Natural Resources LP | Reduce -69.7% | 1.41% | −3.76 |
| TPR Tapestry Inc. | Sold out | 0.00% | −3.75 |
| FISV Fiserv Inc. | Sold out | 0.00% | −3.45 |
| FLY Firefly Aerospace Inc. | Reduce -81.4% | 0.59% | −2.94 |
| WMT Walmart Inc. | Sold out | 0.00% | −2.86 |
| WLTH Wealthfront Corp. | Sold out | 0.00% | −2.31 |
| FLUT Flutter Entertainment PLC-Di | Sold out | 0.00% | −2.21 |
| KO The Coca-Cola Co. | Sold out | 0.00% | −2.05 |
| GOOGL Alphabet Inc. Class A | Sold out | 0.00% | −1.61 |
| VIK Viking Holdings Ltd. | Sold out | 0.00% | −1.57 |
| BA The Boeing Co. | Sold out | 0.00% | −1.52 |
| KKR KKR & Co. Inc. | Sold out | 0.00% | −1.50 |
| ARES Ares Management Corp. Class A | Sold out | 0.00% | −1.48 |
| XBI SS SPDR S&P Biotech ETF | Sold out | 0.00% | −1.34 |
| ULS Ul Solutions Inc. Class A | Sold out | 0.00% | −1.16 |
| HPP Hudson Pacific Properties Inc. | Sold out | 0.00% | −1.12 |
| INR Infinity Natural Resour Class A | Sold out | 0.00% | −1.04 |
| CWH Camping World Holdings Inc. Class A | Sold out | 0.00% | −0.97 |
| SATL Satellogic Inc. Class A | Sold out | 0.00% | −0.97 |
| XRT SS SPDR S&P Retail ETF | Sold out | 0.00% | −0.94 |
| XLF SS Financial Select Sector | Sold out | 0.00% | −0.80 |
| VVX V2X Inc. | Sold out | 0.00% | −0.80 |
| LWLG Lightwave Logic Inc. | Sold out | 0.00% | −0.71 |
| NIQ Niq Global Intelligence PLC | Reduce -15.1% | 0.47% | −0.67 |
| AMTM Amentum Holdings Inc. | Sold out | 0.00% | −0.64 |
| XLI SS Industrial Select Sector | Sold out | 0.00% | −0.57 |
| ARKK ARK Innovation ETF | Sold out | 0.00% | −0.56 |
| TJX TJX Companies Inc. | Sold out | 0.00% | −0.56 |
| ITT Itt Inc. | Sold out | 0.00% | −0.51 |
| HOOD Robinhood Markets Inc. Class A | Sold out | 0.00% | −0.41 |
| SOLV Solventum Corp. | Sold out | 0.00% | −0.23 |
| NCLH Norwegian Cruise Line Holdin | Sold out | 0.00% | −0.16 |
| FLX Bingex Ltd. | Sold out | 0.00% | −0.08 |
| BTSG Brightspring Health Services | Sold out | 0.00% | −0.07 |
Portfolio Buys Q4 2025 → Q1 2026
| SPY SS SPDR S&P 500 ETF Trust-US | New | 15.20% | +15.20 |
| BCSS Bain Capital GSS Inv- A | New | 10.54% | +10.54 |
| SNDA Sonida Senior Living Inc. | New | 8.67% | +8.67 |
| FTW Presidio Production Co. Class A | New | 2.86% | +2.86 |
| SARO Standardaero Inc. | New | 2.55% | +2.55 |
| NRG NRG Energy Inc. | New | 2.28% | +2.28 |
| APTV Aptiv PLC | New | 1.83% | +1.83 |
| XOP SS SPDR S&P Og Exp & Prod | New | 1.42% | +1.42 |
| VZ Verizon Communications Inc. | New | 1.30% | +1.30 |
| EEM iShares MSCI Emerging Market | New | 1.18% | +1.18 |
| CELH Celsius Holdings Inc. | New | 1.11% | +1.11 |
| CZR Caesars Entertainment Inc. | New | 1.10% | +1.10 |
| YOU Clear Secure Inc. Class A | New | 1.01% | +1.01 |
| BANC Banc of California Inc. | New | 0.91% | +0.91 |
| NVDA Nvidia Corp. | New | 0.91% | +0.91 |
| INVH Invitation Homes Inc. | New | 0.90% | +0.90 |
| TLT iShares 20+ Year Treasury BD | New | 0.90% | +0.90 |
| APC Arko Petroleum Corp. | New | 0.82% | +0.82 |
| PEP Pepsico Inc. | New | 0.81% | +0.81 |
| PRMB Primo Brands Corp. | New | 0.78% | +0.78 |
| BHC Bausch Health Cos Inc. | New | 0.70% | +0.70 |
| BKNG Booking Holdings Inc. | New | 0.66% | +0.66 |
| KWEB Kranesh Csi China Internet | New | 0.59% | +0.59 |
| BTBT Bit Digital Inc. | New | 0.44% | +0.44 |
| SHAZ Sharonai Holdings Inc. | New | 0.35% | +0.35 |
| VGNT Versigent PLC | New | 0.33% | +0.33 |
| RZLV Rezolve AI PLC | New | 0.32% | +0.32 |
| XLU St Sr Utl SL SE SPDR ETF-Usd | New | 0.24% | +0.24 |
| ALOY Realloys Inc. | New | 0.20% | +0.20 |
| JAGU Jaguar Uranium Corp. Class A | New | 0.09% | +0.09 |
| BCTX Briacell Therapeutics Corp. | New | 0.07% | +0.07 |
| WAY Waystar Holding Corp. | New | 0.00% | +0.00 |
| IWM iShares Russell 2000 ETF | Add +36.0% | 21.89% | −0.66 |
Options Activity Q4 2025 → Q1 2026
| ISHARES TR | put | New | 395,000 | $1.1M |
| STATE STR SPDR S&P 500 ETF T | put | New | 175,000 | $724K |
| SPY SS SPDR S&P 500 ETF Trust-US | put | Sold out | 90,000 | $526Kbefore exit |
| IWM iShares Russell 2000 ETF | put | Sold out | 165,000 | $508Kbefore exit |
| SPY SS SPDR S&P 500 ETF Trust-US | call | Sold out | 200,000 | $350Kbefore exit |
| HOOD Robinhood Markets Inc. Class A | put | Sold out | 30,000 | $242Kbefore exit |
| SPDR SERIES TRUST | put | New | 40,000 | $234K |
| PEPSICO INC | put | New | 25,000 | $174K |
| SELECT SECTOR SPDR TR | put | New | 165,000 | $162K |
| CLEAR SECURE INC | put | New | 50,000 | $155K |
| FISV Fiserv Inc. | put | Sold out | 57,500 | $148Kbefore exit |
| CINEMARK HLDGS INC | call | New | 30,000 | $135K |
| ISHARES TR | put | New | 130,000 | $133K |
| XRT SS SPDR S&P Retail ETF | put | Sold out | 60,000 | $131Kbefore exit |
| AAPL Apple Inc. | put | Sold out | 30,000 | $109Kbefore exit |
| PENN Penn Entertainment Inc. | call | Sold out | 75,000 | $102Kbefore exit |
| NRG ENERGY INC | call | New | 50,000 | $101K |
| VERIZON COMMUNICATIONS INC | put | New | 75,000 | $98K |
| XBI SS SPDR S&P Biotech ETF | put | Sold out | 30,100 | $91Kbefore exit |
| AMAZON COM INC | call | New | 40,000 | $85K |
| XLI SS Industrial Select Sector | put | Sold out | 30,000 | $72Kbefore exit |
| ULS Ul Solutions Inc. Class A | call | Sold out | 49,800 | $70Kbefore exit |
| XLE SS Energy Select Sector | put | Sold out | 100,000 | $68Kbefore exit |
| XLF SS Financial Select Sector | put | Sold out | 200,000 | $62Kbefore exit |
| ARKK ARK Innovation ETF | put | Sold out | 30,000 | $62Kbefore exit |
| AMTM Amentum Holdings Inc. | put | Sold out | 110,100 | $57Kbefore exit |
| WMT Walmart Inc. | put | Sold out | 50,000 | $56Kbefore exit |
| SOLV Solventum Corp. | put | Sold out | 10,000 | $54Kbefore exit |
| SN Sharkninja Inc. | call | Sold out | 20,000 | $48Kbefore exit |
| NBIS Nebius Group NV | call | Sold out | 12,500 | $46Kbefore exit |
| TJX TJX Companies Inc. | put | Sold out | 30,000 | $44Kbefore exit |
| NVDA Nvidia Corp. | call | Sold out | 10,000 | $39Kbefore exit |
| KO The Coca-Cola Co. | put | Sold out | 50,000 | $37Kbefore exit |
| SPDR SERIES TRUST | put | New | 11,800 | $33K |
| APTIV PLC | call | New | 35,000 | $32K |
| AMLP Alerian MLP ETF | put | Sold out | 64,700 | $27Kbefore exit |
| TPR Tapestry Inc. | put | Sold out | 44,600 | $25Kbefore exit |
| KWEB Kranesh Csi China Internet | call | Sold out | 137,400 | $17Kbefore exit |
| ALHC Alignment Healthcare Inc. | put | Sold out | 20,000 | $17Kbefore exit |
| GOOGL Alphabet Inc. Class A | put | Sold out | 10,000 | $16Kbefore exit |
| BTSG Brightspring Health Services | put | Sold out | 70,000 | $16Kbefore exit |
| TSLA Tesla Inc. | put | Sold out | 2,000 | $13Kbefore exit |
| VIK Viking Holdings Ltd. | put | Sold out | 35,000 | $13Kbefore exit |
| CELSIUS HLDGS INC | call | New | 10,000 | $11K |
| UBS UBS Group AG-Reg | put | Sold out | 125,000 | $11Kbefore exit |
| CHIPOTLE MEXICAN GRILL INC | call | New | 50,000 | $10K |
| CWH Camping World Holdings Inc. Class A | call | Sold out | 25,000 | $8Kbefore exit |
| NCLH Norwegian Cruise Line Holdin | put | Sold out | 10,000 | $8Kbefore exit |
| RIOT Riot Platforms Inc. | call | Sold out | 45,000 | $8Kbefore exit |
| NVIDIA CORPORATION | call | New | 10,000 | $7K |
Showing the first 50 of 52.
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q4 2025 → Q1 2026
| JETBLUE AIRWAYS CORP (JBLU 2.5 09/01/29) | NOTE 2.500% 9/0 · principal | Reduce -45.5% | 3,000,000 | $2.9M |
| NEXTERA ENERGY INC (NEE 7.375 02/15/29) | UNIT 02/15/2029 | New | 20,000 | $1.0M |
| BOEING CO/THE (BA 6 10/15/27) | DEP CONV PFD A | New | 15,000 | $970K |
| ORACLE CORP (ORCL 6.5 01/15/29 D) | 6.5 DEP CUM SR D | New | 20,600 | $928K |
| JOBY AVIATION INC (JOBY 0.75 02/15/32) | NOTE 0.750% 2/1 · principal | New | 1,000,000 | $859K |
| KKR & CO INC (KKR 6.25 03/01/28 D) | 6.25 CON SER D | New | 20,000 | $802K |
| ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) | 6.75 SE B PFD | New | 20,000 | $726K |
| BCSS.WS Bain Capital GSS Investment | *W EXP 01/01/202 | New | 200,675 | $124K |
| BCTXL Briacell Therapeutics Corp. | *W EXP 01/15/203 | New | 25,000 | $26K |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.