Bluefin Capital Management, LLC holds a focused book of 76 stocks worth $103.2M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Alpha Architect 1-3 MNTH Box and trimmed Coreweave Inc-CL A. Their largest long position is Coreweave Inc-CL A at 21% of the equity book. They also disclosed $20.2M in put options (a bearish bet) and $32.5M in call options (bullish), shown separately below and excluded from the equity book. Cloning the disclosed picks since 2020 would be +86% (+11.5%/yr). That is a simulation of the disclosed long book, not audited returns.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1144208/holdings"
Use Arkolith to show BLUEFIN CAPITAL MANAGEMENT, LLC's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 26.7 points over this window.
Growth of $10,000 cloning Bluefin Capital Management, LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~45 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
65% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Coreweave Inc COM CL A | $21.3M | 275.3K | 20.7% | ▼−73% Reduced · −735K sh | |
| 2 | Ea Series Trust ALPHA ARCH 1-3 | $10.5M | 90.0K | 10.1% | ▲New New position | |
| 3 | SPDR Series Trust STATE STREET SPD | $9.6M | 104.7K | 9.3% | ▲New New position | |
| 4 | State STR SPDR S&P 500 ETF T TR UNIT | $7.2M | 11.1K | 7.0% | ▼−85% Reduced · −62K sh | |
| 5 | SPDR Gold TR GOLD SHS | $5.2M | 12.0K | 5.0% | ▼−1.6% Reduced · −200 sh | |
| 6 | Cogent Comm Holdings Inc COM NEW | $2.5M | 132.3K | 2.4% | ▼−16% Reduced · −26K sh | |
| 7 | Core Scientific Inc New *W EXP 01/23/202 | $2.4M | 272.4K | 2.3% | ▲+67% Added · +109K sh | |
| 8 | Cohen & Steers Infrastructur COM | $2.4M | 91.7K | 2.3% | ▼−9.0% Reduced · −9K sh | |
| 9 | Invesco QQQ TR UNIT SER 1 | $2.3M | 4.0K | 2.2% | ▼−91% Reduced · −41K sh | |
| 10 | Energy Transfer L P COM UT LTD PTN | $2.2M | 114.1K | 2.1% | ▼−50% Reduced · −114K sh | |
| 11 | United Parcel Svcs Inc CL B | $2.2M | 22.0K | 2.1% | ▼−3.9% Reduced · −900 sh | |
| 12 | Plains All Amern Pipeline L UNIT LTD PARTN | $2.1M | 92.1K | 2.0% | ▲New New position | |
| 13 | Citigroup Inc COM NEW | $2.0M | 17.2K | 1.9% | ▲New New position | |
| 14 | Disney Walt Co COM | $1.7M | 18.1K | 1.7% | ▲+311% Added · +14K sh | |
| 15 | California Res Corp COM STOCK | $1.6M | 23.3K | 1.6% | ▲New New position | |
| 16 | Riot Platforms Inc COM | $1.6M | 129.9K | 1.6% | ▲New New position | |
| 17 | Ishares TR PFD AND INCM SEC | $1.5M | 49.2K | 1.4% | ▲New New position | |
| 18 | International Business Machs COM | $1.4M | 6.0K | 1.4% | ▲+498% Added · +5K sh | |
| 19 | Wendys Co COM | $1.3M | 193.7K | 1.3% | ▲New New position | |
| 20 | Unitedhealth Group Inc COM | $1.3M | 4.7K | 1.2% | ▲New New position | |
| 21 | Pfizer Inc COM | $1.1M | 39.8K | 1.1% | ▼−45% Reduced · −33K sh | |
| 22 | Rio Tinto PLC SPONSORED ADR | $961K | 10.3K | 0.9% | ▲New New position | |
| 23 | Vaneck ETF Trust JUNIOR GOLD MINE | $924K | 7.7K | 0.9% | ▲+54% Added · +3K sh | |
| 24 | Micron Technology Inc COM | $906K | 2.7K | 0.9% | ▲New New position | |
| 25 | Chipotle Mexican Grill Inc COM | $874K | 27.3K | 0.8% | ▼−97% Reduced · −768K sh | |
| 26 | Atkore Inc COM | $866K | 14.7K | 0.8% | ▲New New position | |
| 27 | Integer Hldgs Corp COM | $734K | 8.3K | 0.7% | ▲New New position | |
| 28 | Jetblue Airways Corp COM | $707K | 160.0K | 0.7% | ▲New New position | |
| 29 | Circle Internet Group Inc COM CL A | $677K | 7.1K | 0.7% | ▲New New position | |
| 30 | Alphabet Inc CAP STK CL A | $643K | 2.2K | 0.6% | ▼−60% Reduced · −3K sh | |
| 31 | Taiwan Semiconductor Manufac SPONSORED ADS | $639K | 1.9K | 0.6% | ▼−67% Reduced · −4K sh | |
| 32 | Bristol-Myers Squibb Co COM | $625K | 10.3K | 0.6% | ▼−89% Reduced · −87K sh | |
| 33 | Mbia Inc COM | $573K | 97.0K | 0.6% | ▲+41% Added · +28K sh | |
| 34 | Vaneck ETF Trust GOLD MINERS ETF | $514K | 5.6K | 0.5% | ▲New New position | |
| 35 | Greystone Housing Impact Inv BEN UNIT CTF | $508K | 103.2K | 0.5% | —Held | |
| 36 | Merck & Co Inc COM | $481K | 4.0K | 0.5% | ▲New New position | |
| 37 | Clearwater Analytics Hldgs I CL A | $473K | 20.0K | 0.5% | —Held | |
| 38 | Bill Holdings Inc COM | $437K | 11.4K | 0.4% | ▲New New position | |
| 39 | Echostar Corp CL A | $410K | 3.5K | 0.4% | ▲+17% Added · +500 sh | |
| 40 | Gold Fields Ltd SPONSORED ADR | $409K | 9.0K | 0.4% | ▲New New position | |
| 41 | Brighthouse Finl Inc COM | $395K | 6.6K | 0.4% | ▲New New position | |
| 42 | Rocket Lab Corp COM | $385K | 6.0K | 0.4% | ▲New New position | |
| 43 | Aes Corp COM | $369K | 26.2K | 0.4% | ▲New New position | |
| 44 | Ast Spacemobile Inc COM CL A | $365K | 4.4K | 0.4% | ▲New New position | |
| 45 | Vale S A SPONSORED ADS | $363K | 22.8K | 0.4% | ▼−90% Reduced · −204K sh | |
| 46 | Versant Media Group Inc COM CL A | $358K | 9.7K | 0.3% | ▲New New position | |
| 47 | Sandisk Corp COM | $357K | 562 | 0.3% | ▲New New position | |
| 48 | Progressive Corp COM | $357K | 1.8K | 0.3% | ▼−79% Reduced · −7K sh | |
| 49 | Cme Group Inc COM | $325K | 1.1K | 0.3% | ▲New New position | |
| 50 | Oaktree Specialty Lending COM | $288K | 25.5K | 0.3% | ▼−0.4% Reduced · −100 sh |
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| CALL · bullish | COREWEAVE INC-CL ACRWV | $18.5M | 1.8M |
| CALL · bullish | LENDINGCLUB CORPLC | $9.9M | 195K |
| PUT · bearish | LENDINGCLUB CORPLC | $9.7M | 195K |
| PUT · bearish | COREWEAVE INC-CL ACRWV | $4.8M | 1.2M |
| CALL · bullish | ELECTRONIC ARTS INCEA | $2.0M | 317K |
| PUT · bearish | WARNER BROS DISCOVERY INCWBD | $1.4M | 2.4M |
| PUT · bearish | SS SPDR S&P 500 ETF TRUST-USSPY | $1.2M | 113K |
| PUT · bearish | SOUTHERN CO/THESO | $1.0M | 335K |
| PUT · bearish | EVERSOURCE ENERGYES | $880K | 4K |
| CALL · bullish | WARNER BROS DISCOVERY INCWBD | $753K | 1.5M |
| PUT · bearish | INVESCO QQQ TRUST SERIES 1QQQ | $669K | 45K |
| CALL · bullish | SPDR GOLD SHARESGLD | $478K | 40K |
| CALL · bullish | SS SPDR S&P 500 ETF TRUST-USSPY | $267K | 266K |
| CALL · bullish | CORE SCIENTIFIC INCCORZ | $231K | 40K |
| PUT · bearish | ELECTRONIC ARTS INCEA | $153K | 359K |
| PUT · bearish | SPDR GOLD SHARESGLD | $147K | 25K |
| PUT · bearish | ISHARES MSCI SOUTH KOREA ETFEWY | $97K | 20K |
| PUT · bearish | WENDY'S CO/THEWEN | $69K | 462K |
| CALL · bullish | ISHARES MSCI SOUTH KOREA ETFEWY | $65K | 20K |
| PUT · bearish | COGENT COMMUNICATIONS HOLDINCCOI | $62K | 32K |
| CALL · bullish | COGENT COMMUNICATIONS HOLDINCCOI | $58K | 524K |
| CALL · bullish | VANECK GOLD MINERS ETFGDX | $58K | 10K |
| CALL · bullish | RIOT PLATFORMS INCRIOT | $41K | 140K |
| PUT · bearish | PARAMOUNT SKYDANCE CL BPSKY | $37K | 10K |
| CALL · bullish | ISHARES BITCOIN TRUST ETFIBIT | $24K | 150K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 45 option legs.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 127 | $155.9M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Apr 29, 2026 | 198 | $403.8M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Apr 29, 2026 | 91 | $312.5M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 140 | $132.6M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 21, 2025 | 106 | $138.6M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 123 | $330.9M | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Sep 10, 2024 | 110 | $420.0M | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 20, 2024 | 139 | $644.7M | 13F-HR/A |
| Q4 2023 | Dec 31, 2023 | Feb 16, 2024 | 251 | $1.2B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 194 | $1.2B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Sep 11, 2023 | 168 | $523.7M | 13F-HR/A |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 230 | $804.3M | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 497 | $672.9M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 571 | $1.1B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 596 | $904.4M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 669 | $1.1B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 952 | $1.4B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 754 | $1.0B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 18, 2021 | 685 | $1.6B | 13F-HR/A |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 766 | $2.1B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 10, 2021 | 702 | $1.7B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.