Q1 2026 13F · SEC CIK 1571727

Oakum Bay Capital LLC

Asset managerFiled 2026-05-15 for Q1 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $186.3M
Reported positions: 87
Holdings vs S&P 500, 3 yrs: —
Average holding period: 2 qtrs

Oakum Bay Capital LLC is an asset manager that reported 87 positions worth $186.3M in its Q1 2026 13F, filed 2026-05-15. Its largest holdings were Micron Technology Inc (MU, 20.7%), Tesla Inc (TSLA, 11.7%), Zillow Group Inc (ZG, 8.4%).

Oakum Bay Capital LLC holdings largest 50 of 87 positions.

Weights are shares of the filer's total reported 13F value, compared with Q4 2025. 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.

Oakum Bay Capital LLC 13F holdings
Stock	% of 13F value	Q4 2025	Shares	Share change	Reported value
MUMicron Technology Inc	20.7%	22.5%	113,878	-25.1%	$38.5M
TSLATesla Inc	11.7%	13.6%	58,488	+0.0%	$21.7M
ZGZillow Group Inc	8.4%	8.8%	376,532	+51.6%	$15.6M
LGIHLgi Homes Inc	7.8%	6.3%	365,410	+29.1%	$14.4M
RYNRayonier Incorporated REIT	7.4%	1.8%	671,559	+319.8%	$13.8M
CCOICogent Comm Holdings Inc Com New	7.0%	6.1%	690,374	+27.0%	$13.0M
MTNVail Resorts Inc	3.7%	3.1%	54,151	+21.3%	$6.9M
FORForestar Group Inc	3.4%	4.0%	261,527	-16.5%	$6.4M
CCSCentury Communities Inc	3.3%	3.4%	107,064	-2.1%	$6.1M
BZHBeazer Homes USA Inc	3.2%	2.8%	310,769	+17.7%	$6.0M
WYWeyerhaeuser Company Com New REIT	2.1%	1.4%	157,574	+37.5%	$3.8M
GFSGlobalfoundries Inc	2.0%	—	85,878	—	$3.8M
AXONAxon Enterprise Inc	2.0%	—	8,708	—	$3.7M
TSMTaiwan Semiconductor Manufac	1.2%	1.0%	6,550	+0.0%	$2.2M
VECOVeeco Instrs Inc Del	0.9%	—	49,753	—	$1.7M
CSGPCostar Group Inc	0.9%	0.2%	40,965	+644.8%	$1.7M
WOLFWolfspeed Inc	0.9%	—	100,484	—	$1.6M
ATKRAtkore Inc	0.8%	0.9%	23,917	-10.6%	$1.4M
SESea Ltd	0.7%	—	16,800	—	$1.4M
ACMRACM Research, Inc.	0.7%	0.6%	34,398	+19.4%	$1.4M
INVHInvitation Homes Inc	0.6%	0.4%	45,200	+54.8%	$1.1M
FUNSix Flags Entertainment Corp	0.6%	1.4%	61,922	-63.7%	$1.1M
BZKanzhun Limited	0.6%	—	80,459	—	$1.1M
ABNBAirbnb Inc	0.6%	1.1%	8,171	-45.8%	$1.0M
EFXEquifax Inc	0.5%	1.4%	5,139	-60.1%	$925K
RIORio Tinto PLC	0.5%	0.6%	9,850	-27.3%	$919K
CMGChipotle Mexican Grill Inc	0.5%	0.7%	27,800	-23.6%	$890K
FCXFreeport Mcmoran Inc	0.4%	0.5%	13,701	-21.3%	$805K
LMNRLimoneira Co	0.4%	0.4%	56,405	+4.9%	$757K
FSLRFirst Solar Inc	0.4%	0.4%	3,700	+12.1%	$730K
LANDGladstone Ld Corp	0.4%	0.3%	70,695	-2.8%	$721K
MSGKMadison Square Grdn Sprt Corp Cl A	0.4%	0.8%	2,203	-60.7%	$708K
ENPHEnphase Energy Inc	0.4%	1.1%	18,611	-72.0%	$704K
AMDAdvanced Micro Devices Inc	0.3%	0.1%	2,850	+280.0%	$580K
AMZNAmazon Com Inc	0.3%	0.3%	2,707	+17.3%	$564K
GTLBGitlab Inc	0.3%	—	25,214	—	$546K
TRCTejon Ranch Co.	0.2%	—	24,455	—	$461K
AREAlexandria Real Estate Eq in	0.2%	0.5%	9,345	-52.3%	$434K
XIFRXplr Infrastructure LP	0.2%	0.3%	39,984	-35.5%	$425K
MTHMeritage Homes Corp (MTH)	0.2%	—	6,800	—	$421K
TRUTransunion	0.2%	1.9%	5,948	-85.8%	$412K
BEKEKe Hldgs Inc	0.2%	9.2%	27,367	-97.6%	$410K
CLFCleveland-Cliffs Inc New	0.2%	0.2%	46,214	+108.0%	$391K
UWMCUwm Holdings Corporation	0.2%	0.2%	96,100	+1.1%	$348K
PDDPdd Holdings Inc	0.2%	0.1%	2,900	+52.6%	$296K
GPKGraphic Packaging Hldg Co	0.1%	—	28,000	—	$278K
GLDSpdr Gold Tr	0.1%	—	634	—	$273K
JDJd.com Inc	0.1%	0.1%	9,200	+61.4%	$272K
HOVHovnanian Enterprises Inc	0.1%	0.1%	2,441	-6.1%	$271K
HHHHoward Hughes Holdings Inc	0.1%	—	4,100	—	$259K

What Oakum Bay Capital LLC bought and sold in Q1 2026, against Q4 2025.

New positions

Q4 2025's filing was too long to tell new positions apart.

Added to

CSGP Costar Group Inc+644.8% shares
RYN Rayonier Incorporated REIT+319.8% shares
AMD Advanced Micro Devices Inc+280.0% shares
CLF Cleveland-Cliffs Inc New+108.0% shares
JD Jd.com Inc+61.4% shares
INVH Invitation Homes Inc+54.8% shares
PDD Pdd Holdings Inc+52.6% shares
ZG Zillow Group Inc+51.6% shares

Reduced

BEKE Ke Hldgs Inc-97.6% shares
TRU Transunion-85.8% shares
ENPH Enphase Energy Inc-72.0% shares
FUN Six Flags Entertainment Corp-63.7% shares
MSGK Madison Square Grdn Sprt Corp Cl A-60.7% shares
EFX Equifax Inc-60.1% shares
ARE Alexandria Real Estate Eq in-52.3% shares
ABNB Airbnb Inc-45.8% shares

Left the top 50

Share counts compared with the Q4 2025 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

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
Q1 2026	$186.3M	87
Q4 2025	$193.1M	77

Questions about Oakum Bay Capital LLC's portfolio

What stocks does Oakum Bay Capital LLC own?

Oakum Bay Capital LLC's latest 13F, for Q1 2026 and filed May 15, 2026, lists 87 positions worth $186.3M. The largest are Micron Technology Inc (MU) at 20.7%, Tesla Inc (TSLA) at 11.7%, Zillow Group Inc (ZG) at 8.4%, Lgi Homes Inc (LGIH) at 7.8% and Rayonier Incorporated REIT (RYN) at 7.4%.

What did Oakum Bay Capital LLC buy last quarter?

In Q1 2026, Oakum Bay Capital LLC added Costar Group Inc (CSGP) (+644.8% shares), Rayonier Incorporated REIT (RYN) (+319.8% shares) and Advanced Micro Devices Inc (AMD) (+280.0% shares), compared with its Q4 2025 filing.

What did Oakum Bay Capital LLC sell last quarter?

In Q1 2026, Oakum Bay Capital LLC cut from its top 50 Fmc Corp (FMC), cut from its top 50 Ero Copper Corp (ERO), cut from its top 50 Mister Car Wash Inc (MCW), cut from its top 50 Stride Inc (LRN), cut from its top 50 Uniti Group LLC (UNIT), Ke Hldgs Inc (BEKE) (-97.6% shares), Transunion (TRU) (-85.8% shares) and Enphase Energy Inc (ENPH) (-72.0% shares), compared with its Q4 2025 filing.

When is Oakum Bay Capital LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. Oakum Bay Capital LLC's filing for the quarter ending Jun 30, 2026 was due by Aug 14, 2026; this page updates once it is processed.