Oakum Bay Capital LLC — 13F Holdings & Portfolio
CIK 1571727 · latest 13F-HR filed 2026-05-15
Oakum Bay Capital LLC manages $186.6M in 13F-reported U.S. long-equity assets across 88 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are MU (20.62%), TSLA (11.65%), ZG (8.35%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 28 new positions, exited 18, added to 24, and trimmed 34.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$186.6M
Long-equity book
88
Distinct positions
2026-03-31
Filed 2026-05-15
+28 / −18 / ↑24 / ↓34
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- RAYONIER INC$10.4M +299.8%
- LGI HOMES INC$2.3M +18.8%
- COGENT COMMUNICATIONS HLDGS INC$1.3M +11.0%
- COSTAR GROUP INC$1.3M +346.8%
- WEYERHAEUSER CO$1.1M +41.8%
Top Trims
- KE HOLDINGS INC-$17.3M -97.7%
- MICRON TECHNOLOGY INC-$4.9M -11.4%
- TESLA INC-$4.6M -17.3%
- TRANSUNION-$3.2M -88.6%
- EQUIFAX INC-$1.9M -66.9%
New Positions
- GLOBALFOUNDRIES INC$3.8M
- AXON ENTERPRISE INC$3.7M
- VEECO INSTRS INC DEL$1.7M
- WOLFSPEED INC$1.6M
- SEA LTD$1.4M
Exited Positions
- FMC CORP$436.9K
- MISTER CAR WASH INC$321.9K
- STRIDE INC$318.2K
- DENTSPLY SIRONA INC$134.0K
- NAVITAS SEMICONDUCTOR CORP$107.1K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | MICRON TECHNOLOGY INC | MU | 595112103 | $38.5M | 20.62% | 113,878 | SH |
| 2 | TESLA INC | TSLA | 88160R101 | $21.7M | 11.65% | 58,488 | SH |
| 3 | ZILLOW GROUP INC | ZG | 98954M101 | $15.6M | 8.35% | 376,532 | SH |
| 4 | LGI HOMES INC | LGIH | 50187T106 | $14.4M | 7.74% | 365,410 | SH |
| 5 | RAYONIER INC | RYN | 754907103 | $13.8M | 7.42% | 671,559 | SH |
| 6 | COGENT COMMUNICATIONS HLDGS INC | CCOI | 19239V302 | $13.0M | 6.97% | 690,374 | SH |
| 7 | VAIL RESORTS INC | MTN | 91879Q109 | $6.9M | 3.72% | 54,151 | SH |
| 8 | FORESTAR GROUP INC | FOR | 346232101 | $6.4M | 3.43% | 261,527 | SH |
| 9 | CENTURY COMMUNITIES INC | CCS | 156504300 | $6.1M | 3.29% | 107,064 | SH |
| 10 | BEAZER HOMES USA INC | BZH | 07556Q881 | $6.0M | 3.20% | 310,769 | SH |
| 11 | WEYERHAEUSER CO | WY | 962166104 | $3.8M | 2.06% | 157,574 | SH |
| 12 | GLOBALFOUNDRIES INC | GFS | G39387108 | $3.8M | 2.05% | 85,878 | SH |
| 13 | AXON ENTERPRISE INC | AXON | 05464C101 | $3.7M | 1.98% | 8,708 | SH |
| 14 | TAIWAN SEMICONDUCTOR MFG LTD | TSM | 874039100 | $2.2M | 1.19% | 6,550 | SH |
| 15 | VEECO INSTRS INC DEL | VECO | 922417100 | $1.7M | 0.90% | 49,753 | SH |
| 16 | COSTAR GROUP INC | CSGP | 22160N109 | $1.7M | 0.89% | 40,965 | SH |
| 17 | WOLFSPEED INC | WOLF | 97785W106 | $1.6M | 0.88% | 100,484 | SH |
| 18 | ATKORE INC | ATKR | 047649108 | $1.4M | 0.76% | 23,917 | SH |
| 19 | SEA LTD | SE | 81141R100 | $1.4M | 0.75% | 16,800 | SH |
| 20 | ACM RESEARCH INC | ACMR | 00108J109 | $1.4M | 0.73% | 34,398 | SH |
| 21 | INVITATION HOMES INC | INVH | 46187W107 | $1.1M | 0.60% | 45,200 | SH |
| 22 | SIX FLAGS ENTERTAINMENT CORP | FUN | 83001C108 | $1.1M | 0.59% | 61,922 | SH |
| 23 | KANZHUN LIMITED | BZ | 48553T106 | $1.1M | 0.58% | 80,459 | SH |
| 24 | AIRBNB INC | ABNB | 009066101 | $1.0M | 0.55% | 8,171 | SH |
| 25 | EQUIFAX INC | EFX | 294429105 | $925.4K | 0.50% | 5,139 | SH |
| 26 | RIO TINTO PLC | RIO | 767204100 | $918.9K | 0.49% | 9,850 | SH |
| 27 | CHIPOTLE MEXICAN GRILL INC | CMG | 169656105 | $889.9K | 0.48% | 27,800 | SH |
| 28 | FREEPORT-MCMORAN INC | FCX | 35671D857 | $805.3K | 0.43% | 13,701 | SH |
| 29 | LIMONEIRA CO | LMNR | 532746104 | $757.0K | 0.41% | 56,405 | SH |
| 30 | FIRST SOLAR INC | FSLR | 336433107 | $729.9K | 0.39% | 3,700 | SH |
| 31 | GLADSTONE LAND CORP | LAND | 376549101 | $721.1K | 0.39% | 70,695 | SH |
| 32 | MADISON SQUARE GARDEN SPORTS CORP | MSGS | 55825T103 | $708.0K | 0.38% | 2,203 | SH |
| 33 | ENPHASE ENERGY INC | ENPH | 29355A107 | $703.7K | 0.38% | 18,611 | SH |
| 34 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $579.8K | 0.31% | 2,850 | SH |
| 35 | AMAZON COM INC | AMZN | 023135106 | $563.8K | 0.30% | 2,707 | SH |
| 36 | GITLAB INC | GTLB | 37637K108 | $545.6K | 0.29% | 25,214 | SH |
| 37 | TEJON RANCH CO | TRC | 879080109 | $460.7K | 0.25% | 24,455 | SH |
| 38 | ALEXANDRIA REAL ESTATE EQ INC | ARE | 015271109 | $433.8K | 0.23% | 9,345 | SH |
| 39 | XPLR INFRASTRUCTURE LP | XIFR | 65341B106 | $424.6K | 0.23% | 39,984 | SH |
| 40 | MERITAGE HOMES CORP | MTH | 59001A102 | $420.5K | 0.23% | 6,800 | SH |
| 41 | TRANSUNION | TRU | 89400J107 | $411.5K | 0.22% | 5,948 | SH |
| 42 | KE HOLDINGS INC | BEKE | 482497104 | $409.7K | 0.22% | 27,367 | SH |
| 43 | CLEVELAND-CLIFFS INC | CLF | 185899101 | $390.5K | 0.21% | 46,214 | SH |
| 44 | UWM HOLDINGS CORPORATION | UWMC | 91823B109 | $347.9K | 0.19% | 96,100 | SH |
| 45 | COREWEAVE INC Put | CRWV | 21873S108 | $309.9K | 0.17% | 4,000 | SH |
| 46 | PDD HOLDINGS INC | PDD | 722304102 | $296.3K | 0.16% | 2,900 | SH |
| 47 | GRAPHIC PACKAGING HLDG CO | GPK | 388689101 | $278.3K | 0.15% | 28,000 | SH |
| 48 | SPDR GOLD TRUST | GLD | 78463V107 | $272.8K | 0.15% | 634 | SH |
| 49 | JD.COM INC | JD | 47215P106 | $272.0K | 0.15% | 9,200 | SH |
| 50 | HOVNANIAN ENTERPRISES INC | HOV | 442487401 | $270.7K | 0.15% | 2,441 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $186.6M | 88 | 0001571727-26-000007 |
| 2025-12-31 | 2026-02-13 | $204.5M | 78 | 0001571727-26-000005 |