Managers / Q1 2026
Oakum Bay Capital LLC
CIK 0001571727 · 16 RAILROAD PLACE, # 1032, WESTPORT, CT, 06880 · 475-477-3301
Summary
Oakum Bay Capital LLC reported $187M in U.S.-listed holdings across 88 positions for Q1 2026.
The portfolio is heavily concentrated: MU alone accounts for 20.6% of reported value.
Compared with Q4 2025, the fund opened 29 new positions and exited 19.
Portfolio Metrics
Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.
Reported Value by Quarter
Portfolio Composition
- Common Stock · 83.2% · $155M
- REIT · 10.7% · $20M
- ADR · 3.9% · $7M
- Other · 2.1% · $4M
- ETP · 0.1% · $272,804
Quarter-over-Quarter Changes full breakdown →
vs Q4 2025 (amended baseline)
| Issuer | Move | Share Δ | Shares now | Value Δ | Value now |
|---|---|---|---|---|---|
| GLOBALFOUNDRIES INC | NEW | +85.9K | 85.9K | +$4M | $4M |
| AXONAXON ENTERPRISE INC | NEW | +8.7K | 8.7K | +$4M | $4M |
| VECOVEECO INSTRS INC DEL | NEW | +49.8K | 49.8K | +$2M | $2M |
| WOLFWOLFSPEED INC | NEW | +100.5K | 100.5K | +$2M | $2M |
| SESEA LTD | NEW | +16.8K | 16.8K | +$1M | $1M |
| GTLBGITLAB INC | NEW | +25.2K | 25.2K | +$545,631 | $545,631 |
| TRCTEJON RANCH CO | NEW | +24.5K | 24.5K | +$460,732 | $460,732 |
| MTHMERITAGE HOMES CORP | NEW | +6.8K | 6.8K | +$420,512 | $420,512 |
Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.
Holdings — Q1 2026
| # | Issuer | Class | % Portfolio | Value ↓ | Shares |
|---|---|---|---|---|---|
| 1 | MUMICRON TECHNOLOGY INChistory → | COM | 20.62% | $38M | 113.9K |
| 2 | TSLATESLA INChistory → | COM | 11.65% | $22M | 58.5K |
| 3 | ZGZILLOW GROUP INChistory → | CL A | 8.35% | $16M | 376.5K |
| 4 | LGIHLGI HOMES INChistory → | COM | 7.74% | $14M | 365.4K |
| 5 | RYNRAYONIER INChistory → | COM | 7.42% | $14M | 671.6K |
| 6 | OGM1COGENT COMMUNICATIONS HLDGS INChistory → | COM NEW | 6.97% | $13M | 690.4K |
| 7 | MTNVAIL RESORTS INChistory → | COM | 3.72% | $7M | 54.2K |
| 8 | FORFORESTAR GROUP INChistory → | COM | 3.43% | $6M | 261.5K |
| 9 | CCSCENTURY COMMUNITIES INChistory → | COM | 3.29% | $6M | 107.1K |
| 10 | BZHBEAZER HOMES USA INChistory → | COM NEW | 3.20% | $6M | 310.8K |
| 11 | WYWEYERHAEUSER COhistory → | COM NEW | 2.06% | $4M | 157.6K |
| 12 | GLOBALFOUNDRIES INC | ORDINARY SHARES | 2.05% | $4M | 85.9K |
| 13 | AXONAXON ENTERPRISE INChistory → | COM | 1.98% | $4M | 8.7K |
| 14 | TSMTAIWAN SEMICONDUCTOR MFG LTDhistory → | SPONSORED ADS | 1.19% | $2M | 6.5K |
| 15 | VECOVEECO INSTRS INC DEL | COM | 0.90% | $2M | 49.8K |
| 16 | CSGPCOSTAR GROUP INC | COM | 0.89% | $2M | 41.0K |
| 17 | WOLFWOLFSPEED INC | COMMON STOCK | 0.88% | $2M | 100.5K |
| 18 | ATKRATKORE INC | COM | 0.76% | $1M | 23.9K |
| 19 | SESEA LTD | SPONSORD ADS | 0.75% | $1M | 16.8K |
| 20 | ACMRACM RESEARCH INC | COM CL A | 0.73% | $1M | 34.4K |
| 21 | INVHINVITATION HOMES INC | COM | 0.60% | $1M | 45.2K |
| 22 | FUNSIX FLAGS ENTERTAINMENT CORP | COM | 0.59% | $1M | 61.9K |
| 23 | KANZHUN LIMITED | SPONSORED ADS | 0.58% | $1M | 80.5K |
| 24 | ABNBAIRBNB INC | COM CL A | 0.55% | $1M | 8.2K |
| 25 | EFXEQUIFAX INC | COM | 0.50% | $925,380 | 5.1K |
| 26 | RIORIO TINTO PLC | SPONSORED ADR | 0.49% | $918,906 | 9.8K |
| 27 | CMGCHIPOTLE MEXICAN GRILL INC | COM | 0.48% | $889,878 | 27.8K |
| 28 | FCXFREEPORT-MCMORAN INC | CL B | 0.43% | $805,345 | 13.7K |
| 29 | LMNRLIMONEIRA CO | COM | 0.41% | $756,955 | 56.4K |
| 30 | FSLRFIRST SOLAR INC | COM | 0.39% | $729,862 | 3.7K |
| 31 | LANDGLADSTONE LAND CORP | COM | 0.39% | $721,089 | 70.7K |
| 32 | MSGSMADISON SQUARE GARDEN SPORTS CORP | CL A | 0.38% | $708,044 | 2.2K |
| 33 | ENPHENPHASE ENERGY INC | COM | 0.38% | $703,682 | 18.6K |
| 34 | AMDADVANCED MICRO DEVICES INC | COM | 0.31% | $579,776 | 2.9K |
| 35 | AMZNAMAZON COM INC | COM | 0.30% | $563,787 | 2.7K |
| 36 | GTLBGITLAB INC | CLASS A COM | 0.29% | $545,631 | 25.2K |
| 37 | TRCTEJON RANCH CO | COM | 0.25% | $460,732 | 24.5K |
| 38 | AREALEXANDRIA REAL ESTATE EQ INC | COM | 0.23% | $433,795 | 9.3K |
| 39 | XIFRXPLR INFRASTRUCTURE LP | COM UNIT PART INT | 0.23% | $424,630 | 40.0K |
| 40 | MTHMERITAGE HOMES CORP | COM | 0.23% | $420,512 | 6.8K |
| 41 | TRUTRANSUNION | COM | 0.22% | $411,542 | 5.9K |
| 42 | BEKEKE HOLDINGS INC | SPONSORED ADS | 0.22% | $409,684 | 27.4K |
| 43 | CLFCLEVELAND-CLIFFS INC | COM | 0.21% | $390,508 | 46.2K |
| 44 | UWMCUWM HOLDINGS CORPORATION | COM CL A | 0.19% | $347,882 | 96.1K |
| 45 | PDDPDD HOLDINGS INC | SPONSORED ADS | 0.16% | $296,322 | 2.9K |
| 46 | GPKGRAPHIC PACKAGING HLDG CO | COM | 0.15% | $278,320 | 28.0K |
| 47 | GQ9SPDR GOLD TRUST | GOLD SHS | 0.15% | $272,804 | 634 |
| 48 | JDJD.COM INC | SPON ADS CL A | 0.15% | $272,044 | 9.2K |
| 49 | HOVHOVNANIAN ENTERPRISES INC | CL A NEW | 0.15% | $270,731 | 2.4K |
Filing History
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.