Q2 2026 13F · SEC CIK 1992915

LuminArx Capital Management LP

Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $167.4M
Reported positions: 40
Holdings vs S&P 500, 3 yrs: —
Assets under management: $4.5B

LuminArx Capital Management LP is a hedge fund that reported 40 positions worth $167.4M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were State Str Spdr S&p 500 ETF T (SPY, 35.7%), Tjx Cos Inc New (TJX, 7.7%), Sonida Senior Living Inc (SNDA, 6.3%).

LuminArx Capital Management LP holdings all 40 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

LuminArx Capital Management LP 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
SPYState Str Spdr S&p 500 ETF T	35.7%	14.5%	80,000	+255.6%	$59.7M
TJXTjx Cos Inc New	7.7%	New	85,000	—	$12.9M
SNDASonida Senior Living Inc	6.3%	8.3%	258,750	+0.0%	$10.6M
TGTTarget Corp	6.2%	New	80,000	—	$10.4M
BCSSBain Cap Gss Invt Corp	6.2%	10.1%	1,003,379	+0.0%	$10.3M
KFIIUK&F Growth Acquisition II Corp	4.8%	8.0%	750,000	+0.0%	$8.0M
IWMIshares Tr	3.6%	20.9%	20,000	-76.5%	$6.0M
G3106Q110Eqv Ventures Acquisition Cor	2.6%	4.3%	425,000	+0.0%	$4.4M
KRMNKarman Hldgs Inc	2.1%	New	70,000	—	$3.5M
74102N101Presidio Production Co	2.0%	2.7%	270,098	+8.0%	$3.3M
SHAZSharonai Holdings Inc	1.8%	0.3%	36,374	+147.6%	$3.1M
BWBabcock & Wilcox Enterprises	1.7%	New	205,200	—	$2.9M
QXOQxo Inc	1.5%	New	150,000	—	$2.6M
FFord Mtr Co	1.4%	New	165,000	—	$2.3M
WHKWhitehawk Minerals Corp	1.3%	New	77,852	—	$2.2M
ADTAdt Inc Del	1.2%	New	318,366	—	$2.1M
IYRIshares Tr	1.2%	New	20,000	—	$2.0M
XLESelect Sector Spdr Tr	1.2%	0.6%	37,500	+275.0%	$2.0M
GOOGLAlphabet Inc	1.1%	New	37,500	—	$1.9M
GOOGAlphabet Inc	1.1%	New	37,500	—	$1.9M
XEX-Energy Inc	1.1%	New	100,000	—	$1.8M
HAWKHawkeye 360 Inc	1.0%	New	82,500	—	$1.7M
XOPSpdr Series Trust	0.9%	1.4%	10,000	+33.3%	$1.5M
TXOTxo Partners LP	0.6%	1.0%	81,733	+0.0%	$1.0M
BABoeing Co	0.6%	New	15,000	—	$1.0M
NEENextera Energy Inc	0.6%	New	20,000	—	$956K
ORCLOracle Corp	0.6%	New	20,600	—	$922K
KKRKkr & Co Inc	0.5%	New	20,000	—	$780K
APCArko Petroleum Corp	0.5%	0.8%	40,418	-8.1%	$762K
MACMacerich Co	0.5%	New	30,000	—	$756K
ARESAres Management Corp	0.4%	New	20,000	—	$720K
EEMIshares Tr	0.4%	1.1%	10,000	-50.0%	$684K
FLYFirefly Aerospace Inc	0.4%	0.6%	22,500	+12.5%	$662K
HUMAHumacyte, Inc.	0.3%	New	650,000	—	$507K
EQPTEquipmentshare Com Inc	0.3%	New	24,649	—	$485K
NMGNouveau Monde Graphite Inc	0.3%	New	295,000	—	$443K
BTBTBit Digital Inc	0.2%	0.4%	175,000	-46.2%	$315K
JAGUJaguar Uranium Corp	0.1%	0.1%	110,636	+268.8%	$185K
NUAINew Era Energy & Digital Inc	0.1%	New	25,000	—	$160K
BCTXBriacell Therapeutics Corp	0.0%	0.1%	15,000	+0.0%	$49K

What LuminArx Capital Management LP bought and sold in Q2 2026, against Q1 2026.

Sold out

SARO Standardaero Incwas 2.4%
NRG Nrg Energy Incwas 2.2%
APTV Aptiv PLCwas 1.8%
MNR Mach Natural Resource LPwas 1.3%
VZ Verizon Communications Incwas 1.2%
CELH Celsius Holding Inc.was 1.1%
Caesars Entertainment Inc Newas 1.0%
NextEra Energy 7.375 15-Feb-2029 PEPSwas 1.0%

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: —
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$167.4M	40
Q1 2026	$100.9M	48
Q4 2025	$68.2M	41

Questions about LuminArx Capital Management LP's portfolio

What stocks does LuminArx Capital Management LP own?

LuminArx Capital Management LP's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 40 positions worth $167.4M. The largest are State Str Spdr S&p 500 ETF T (SPY) at 35.7%, Tjx Cos Inc New (TJX) at 7.7%, Sonida Senior Living Inc (SNDA) at 6.3%, Target Corp (TGT) at 6.2% and Bain Cap Gss Invt Corp (BCSS) at 6.2%.

What did LuminArx Capital Management LP buy last quarter?

In Q2 2026, LuminArx Capital Management LP added a new position in Tjx Cos Inc New (TJX), a new position in Target Corp (TGT), a new position in Karman Hldgs Inc (KRMN), a new position in Babcock & Wilcox Enterprises (BW), a new position in Qxo Inc (QXO), Select Sector Spdr Tr (XLE) (+275.0% shares), Jaguar Uranium Corp (JAGU) (+268.8% shares) and State Str Spdr S&p 500 ETF T (SPY) (+255.6% shares), compared with its Q1 2026 filing.

What did LuminArx Capital Management LP sell last quarter?

In Q2 2026, LuminArx Capital Management LP sold all of Standardaero Inc (SARO), sold all of Nrg Energy Inc (NRG), sold all of Aptiv PLC (APTV), sold all of Mach Natural Resource LP (MNR), sold all of Verizon Communications Inc (VZ), Ishares Tr (IWM) (-76.5% shares), Ishares Tr (EEM) (-50.0% shares) and Bit Digital Inc (BTBT) (-46.2% shares), compared with its Q1 2026 filing.

When is LuminArx Capital Management LP's next 13F filing due?

13F filings are due 45 days after each quarter ends. LuminArx Capital Management LP's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does LuminArx Capital Management LP manage?

LuminArx Capital Management LP reported $4.5B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $167.4M.