Gritstone Asset Management LLC
Gritstone Asset Management LLC reported 195 US-listed holdings worth $103.11 billion in its 13F for the quarter ended 30 September 2026, filed 26 October 2026. Its largest: Ares Capital Corp. (8.3%), Aldel Finl II Inc. (4.1%) and Ares Acquisition Corp. III (2.5%). Against the quarter before, it opened 52 positions, added to 0, trimmed 5 and sold out of 31.
Reported holdings$103.11B+99086.0% on Q2 2026
Positions195+21 on Q2 2026
The largest ten27.9%of its reported holdings
Latest 13FQ3 2026filed 26 October 2026
OpenedHeldTrimmed
The 14 largest of its 195 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +11.6% over the 6 quarters to 30 June 2026, against +27.4% for the S&P 500.
Its reported holdingsThe S&P 500
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Opened 52Held 138Trimmed 5Sold out 31
Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held
Opened 52
- Ares Acquisition Corp. III AAC$2.53 billion
- Samos Energy Acquisition Cor SAMO$1.97 billion
- Live Oak Acquisition Corp. Vi LOVIU$1.50 billion
- Gores Holdings Xi Inc. GHXI$1.25 billion
- Ampercap Acquisition Co. APMC$1.24 billion
- Kpet Ultra Paceline Corp. KPET$1.21 billion
- Acp Holdings Acquisition Cor ACGC$1.01 billion
- Pinnacle Acquisition Corp. PNAQU$1.00 billion
and 44 more in the table below
Trimmed 5
- Oaktree Acquisition Corp. III OACC-200,000 shares · -51%
- Infinite Eagle Acquisition C IEAG-50,000 shares · -29%
- Launch Two Acquisition Corp. LPBBW-57,533 shares · -78%
- Kensington Cap Acquisition KCAU-284 shares · -0%
- Egh Acquisition Corp. EGHAR-10,000 shares · -20%
Sold out of 31
- Ares Acquisition Corp. III AACU$2.5 million last quarter
- Bold Eagle Acquisition Corp. BEAG$2.1 million last quarter
- Artius II Acquisition Inc. AACB$2.1 million last quarter
- Hennessy Cap Invt Corp. Vii HVII$2.1 million last quarter
- Launch Two Acquisition Corp. LPBB$1.6 million last quarter
- Newhold Invt Corp. III NHIC$1.3 million last quarter
- Gores Holdings Xi Inc. GHXIU$1.3 million last quarter
- Ampercap Acquisition Co. APMCU$1.3 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Ares Capital Corp. ARCC | 447.2K | $8.54 billion | 8.28% | +115 |
| Aldel Finl II Inc. ALDF | 394.2K | $4.27 billion | 4.14% | no change |
| Ares Acquisition Corp. III AAC | 250.0K | $2.53 billion | 2.45% | new |
| Oaktree Acquisition Corp. III OACC | 194.9K | $2.10 billion | 2.04% | -200.0K |
| Rithm Acquisition Corp. RAC | 197.6K | $2.08 billion | 2.02% | no change |
| Rre Ventures Acquisition Cor RREV | 200.0K | $1.98 billion | 1.92% | no change |
| Samos Energy Acquisition Cor SAMO | 200.0K | $1.97 billion | 1.91% | new |
| New Amer Acquisition I Corp. NWAX | 195.0K | $1.96 billion | 1.91% | no change |
| Lafayette Digital Acquisitio ZKP | 175.0K | $1.76 billion | 1.70% | no change |
| K&F Growth Acquisition Corp. KFII | 148.7K | $1.59 billion | 1.54% | no change |
| Talon Cap Corp. TLNC | 150.0K | $1.53 billion | 1.49% | no change |
| Leapfrog Acquisition Corp. LFAC | 150.0K | $1.51 billion | 1.47% | no change |
| Live Oak Acquisition Corp. Vi LOVIU | 150.0K | $1.50 billion | 1.46% | new |
| Stellar V Cap Corp. SVCC | 133.8K | $1.43 billion | 1.39% | no change |
| Highview Merger Corp. HVMC | 127.0K | $1.30 billion | 1.27% | no change |
| Solarius Capital Acqu Corp. SOCA | 125.0K | $1.29 billion | 1.25% | no change |
| Oxley Bridge Acq Ltd OBA | 124.3K | $1.29 billion | 1.25% | no change |
| Otg Acquisition Corp. I OTGA | 125.0K | $1.28 billion | 1.25% | no change |
| Infinite Eagle Acquisition C IEAG | 125.0K | $1.28 billion | 1.24% | -50.0K |
| Colombier Acquisition Corp. I CLBR | 125.0K | $1.27 billion | 1.24% | no change |
| Alussa Energy Acquisit Corp. ALUB | 125.0K | $1.27 billion | 1.23% | no change |
| Silicon Vy Acquisition Corp. SVAQ | 125.0K | $1.26 billion | 1.23% | no change |
| Bluerock Acquisition Corp. BLRK | 125.0K | $1.26 billion | 1.23% | no change |
| Launchpad Cadenza Acqu Corp. LPCV | 125.0K | $1.26 billion | 1.22% | no change |
| Gores Holdings Xi Inc. GHXI | 125.0K | $1.25 billion | 1.21% | new |
| Ampercap Acquisition Co. APMC | 125.0K | $1.24 billion | 1.21% | new |
| Kpet Ultra Paceline Corp. KPET | 121.3K | $1.21 billion | 1.18% | new |
| Aldabra 4 Lqdty Opp Veh Inc. ALOV | 118.2K | $1.19 billion | 1.15% | no change |
| Galata Acquisition Corp. II LATA | 106.3K | $1.08 billion | 1.05% | no change |
| Gesher Acquisition Corp. II GSHR | 98.8K | $1.04 billion | 1.01% | no change |
| Titan Acquisition Corp. TACH | 98.8K | $1.04 billion | 1.01% | no change |
| Sizzle Acquisition Corp. II SZZL | 99.0K | $1.04 billion | 1.01% | no change |
| Berto Acquisition Corp. TACO | 98.9K | $1.03 billion | 1.00% | no change |
| Republic Digital Acquisition RDAG | 98.8K | $1.03 billion | 1.00% | no change |
| Jena Acquisition Corp. II JENA | 98.9K | $1.03 billion | 1.00% | no change |
| Wen Acquisition Corp. WENN | 98.9K | $1.03 billion | 1.00% | no change |
| Eqv Ventures Ac Corp. II EVAC | 98.9K | $1.02 billion | 0.99% | no change |
| Daedalus SPL Acquisition Cor DSAC | 100.0K | $1.01 billion | 0.98% | no change |
| Activate Energy Acquisit Cor AEAQ | 100.0K | $1.01 billion | 0.98% | no change |
| Vine Hill Cap Invts Corp. II VHCP | 100.0K | $1.01 billion | 0.98% | no change |
| Acp Holdings Acquisition Cor ACGC | 100.0K | $1.01 billion | 0.98% | new |
| Cambridge Acquisition Corp. CAQ | 100.0K | $1.00 billion | 0.97% | no change |
| Pinnacle Acquisition Corp. PNAQU | 100.0K | $1.00 billion | 0.97% | new |
| Krakacquisition Corporation KRAQ | 100.0K | $1.00 billion | 0.97% | no change |
| Kensington Cap Acquisition KCAU | 99.7K | $1.00 billion | 0.97% | -284 |
| Bluerock Acquisition Corp. II BRRKU | 100.0K | $999.0 million | 0.97% | new |
| Hennessy Cap Invts Corp. Viii HCIC | 100.0K | $998.0 million | 0.97% | no change |
| Energy Transition SPL Opport ETSS | 100.0K | $996.0 million | 0.97% | new |
| Patriot Acquisition Corp. PTAC | 100.0K | $996.0 million | 0.97% | new |
| Leaders Advantage Acquisitio LEDRU | 100.0K | $996.0 million | 0.97% | new |
| Irenic Acquisition Corp. IACQ | 100.0K | $995.0 million | 0.97% | new |
| RMG ML Sports Holdings SHOT | 100.0K | $986.0 million | 0.96% | new |
| Snow Rothschild Acquisition Corp. ISNR | 100.0K | $983.0 million | 0.95% | new |
| Cartesian Growth Corp. IV CGCF | 100.0K | $981.0 million | 0.95% | new |
| B&R Technology Merger Corp. BRTM | 100.0K | $980.5 million | 0.95% | new |
| Long Table Growth Corp. LTGR | 90.0K | $899.1 million | 0.87% | new |
| Burtech Acquisition Corp. II BRKH | 87.2K | $874.7 million | 0.85% | new |
| Crane HBR Acquisition Corp. I CRAN | 75.0K | $757.5 million | 0.73% | no change |
| Safeguard Acquisition Corp. SAC | 75.0K | $757.5 million | 0.73% | no change |
| General Purp Acquisition Cor GPAC | 75.0K | $756.0 million | 0.73% | no change |
| Newhold Invts Corp. IV NHIV | 75.0K | $753.8 million | 0.73% | new |
| Thunder Brdg Cap Partners V TBCVU | 75.0K | $746.2 million | 0.72% | new |
| MERIDIAN3 Industrials Acquisition Corp. MIAC | 75.0K | $736.5 million | 0.71% | new |
| Karman Line Acquisition Corp. XTER | 75.0K | $733.5 million | 0.71% | new |
| Pioneer Acquisition I Corp. PACH | 69.3K | $718.9 million | 0.70% | no change |
| Osprey Acquisition Corp. III OSPR | 70.0K | $687.4 million | 0.67% | new |
| American Exceptionalism Acqu AEXA | 50.0K | $557.0 million | 0.54% | no change |
| D Boral Acquisition I Corp. DBCA | 55.0K | $550.5 million | 0.53% | no change |
| Amr Res Acquisition Corp. AMAC | 55.8K | $546.2 million | 0.53% | new |
| HCM III Acquisition Corp. HCMA | 50.0K | $514.5 million | 0.50% | no change |
| Willow Lane Acquisition CRP WLII | 50.0K | $514.5 million | 0.50% | no change |
| Oyster Enterprises II Acquis OYSE | 49.4K | $514.3 million | 0.50% | no change |
| Cal Redwood Acquisition Corp. CRAQ | 49.4K | $514.1 million | 0.50% | no change |
| Pyrophyte Acquisition Corp. PAII | 49.6K | $512.3 million | 0.50% | no change |
| 1RT Acquisition Corp. ONCH | 49.4K | $510.6 million | 0.50% | no change |
| Tailwind 2.0 Acquisition Cor TDWD | 50.0K | $507.0 million | 0.49% | no change |
| Apex Treas Corp. APXT | 50.0K | $506.5 million | 0.49% | no change |
| Evolution Global Acquisition EVOX | 50.0K | $506.5 million | 0.49% | no change |
| Invest Green Acquisition Cor Class A O IGAC | 50.0K | $505.8 million | 0.49% | no change |
| Silverbox Corp. V SBXE | 50.0K | $505.5 million | 0.49% | no change |
| Spring Vy Acquisition Corp. I SVIV | 50.0K | $504.5 million | 0.49% | no change |
| Catalyst Acquisition Corp. CATLU | 50.0K | $504.5 million | 0.49% | new |
| Dynamix Corp. III DNMX | 50.0K | $504.0 million | 0.49% | no change |
| Space Asset Acquisition Corp. SAAQ | 49.8K | $500.1 million | 0.49% | no change |
| Bleichroeder Acquisition Cor BCCQ | 50.0K | $497.0 million | 0.48% | new |
| Yorkville International Capital Corp. YICC | 50.0K | $496.2 million | 0.48% | new |
| Viking Acquisition Corp. II VII | 50.0K | $491.0 million | 0.48% | new |
| HCM IV Acquisition Corp. HACQ | 40.0K | $401.6 million | 0.39% | no change |
| Spartacus Acquisition Corp. I TMTS | 40.0K | $401.0 million | 0.39% | no change |
| Bitcoin Infrastructure Acqui Usd Class BIXI | 35.0K | $354.2 million | 0.34% | no change |
| Averin Cap Acquisition Corp. ACAA | 30.8K | $307.6 million | 0.30% | no change |
| Cantor Equity Partners Vii I CAES | 30.0K | $301.8 million | 0.29% | no change |
| Fact II Acquisition Corp. FACT | 25.0K | $268.0 million | 0.26% | no change |
| Hall Chadwick Acquisition Co. HCAC | 25.0K | $253.2 million | 0.25% | no change |
| Columbus Circle Capital Corp. III CCCT | 25.0K | $246.0 million | 0.24% | new |
| Presidio Prodtn Co. FTWWS | 134.2K | $128.9 million | 0.12% | no change |
| Bold Eagle Acquisition Corp. BEAGR | 393.9K | $97.7 million | 0.09% | no change |
| Translational Dev Acquisitio TDACW | 41.8K | $60.6 million | 0.06% | no change |
| Infinite Eagle Acquisition C IEAGR | 300.0K | $60.0 million | 0.06% | no change |
| Aldel Finl II Inc. ALDFW | 197.1K | $45.4 million | 0.04% | no change |
| New America Acquisition I Corp NWAXWS | 97.5K | $37.0 million | 0.04% | no change |
| Centurion Acquisition Corp. ALFUW | 145.5K | $36.4 million | 0.04% | no change |
| Berto Acquisition Corp. TACOW | 49.4K | $32.1 million | 0.03% | no change |
| Kensington Cap Acquisition W Exp 99/99/999 KCACWS | 25.0K | $28.8 million | 0.03% | no change |
| Titan Acquisition Corp. TACHW | 49.4K | $27.4 million | 0.03% | no change |
| Rithm Acquisition Corp. RACWS | 65.9K | $26.3 million | 0.03% | no change |
| Graf Global Corp. TONTWS | 87.3K | $26.2 million | 0.03% | no change |
| Samos Energy Acquisition Cor SAMOWS | 100.0K | $26.0 million | 0.03% | new |
| Silicon Vy Acquisition Corp. SVAQW | 62.5K | $26.0 million | 0.03% | no change |
| Talon Cap Corp. TLNCW | 50.0K | $25.0 million | 0.02% | no change |
| Rre Ventures Acquisition Cor RREVW | 66.7K | $23.3 million | 0.02% | no change |
| Jena Acquisition Corp. II JENART | 98.9K | $22.3 million | 0.02% | no change |
| Lionheart Holdings CUBWW | 145.5K | $21.8 million | 0.02% | no change |
| Acp Holdings Acquisition Cor ACGCW | 50.0K | $21.5 million | 0.02% | new |
| Leapfrog Acquisition Corp. LFACW | 75.0K | $21.0 million | 0.02% | no change |
| Otg Acquisition Corp. I OTGAW | 62.5K | $19.4 million | 0.02% | no change |
| Range Cap Acquisition Corp. RANGR | 73.9K | $19.2 million | 0.02% | no change |
| Safeguard Acquisition Corp. SACWS | 37.5K | $18.8 million | 0.02% | no change |
| Gores Holdings Xi Inc. GHXIW | 31.2K | $18.1 million | 0.02% | new |
| Rice Acquisition Corp. 3 KRSPWS | 16.7K | $17.3 million | 0.02% | no change |
| Stellar V Cap Corp. SVCCW | 66.9K | $16.7 million | 0.02% | no change |
| Ares Acquisition Corp. III AACWS | 25.0K | $16.6 million | 0.02% | new |
| Alussa Energy Acquisit Corp. ALUBWS | 41.7K | $16.5 million | 0.02% | no change |
| K&F Growth Acquisition Corp. KFIIR | 148.7K | $16.3 million | 0.02% | no change |
| Flag Ship Acquisition Corp. FSHPR | 182.3K | $15.9 million | 0.02% | no change |
| Oxley Bridge Acq Ltd OBAWW | 62.1K | $15.5 million | 0.02% | no change |
| Daedalus SPL Acquisition Cor DSACW | 25.0K | $15.5 million | 0.02% | no change |
| Activate Energy Acquisit Cor AEAQW | 50.0K | $15.2 million | 0.01% | no change |
| Columbus Circle Cap Corp. II IPXGW | 25.0K | $15.0 million | 0.01% | no change |
| Gp-Act III Acquisition Corp. GPATW | 217.2K | $15.0 million | 0.01% | no change |
| Aldabra 4 Lqdty Opp Veh Inc. ALOVW | 39.4K | $14.4 million | 0.01% | no change |
| Gesher Acquisition Corp. II GSHRW | 49.4K | $14.3 million | 0.01% | no change |
| Bluerock Acquisition Corp. BLRKW | 41.7K | $13.8 million | 0.01% | no change |
| Highview Merger Corp. HVMCW | 63.5K | $13.3 million | 0.01% | no change |
| Andretti Acquisition Corp. II POLEW | 119.4K | $13.1 million | 0.01% | no change |
| Irenic Acquisition Corp. IACQW | 33.3K | $13.0 million | 0.01% | new |
| Sizzle Acquisition Corp. II SZZLR | 99.0K | $12.9 million | 0.01% | no change |
| Sim Acquisition Corp. I SIMAW | 75.5K | $12.8 million | 0.01% | no change |
| Crane HBR Acquisition Corp. I CRANR | 75.0K | $12.8 million | 0.01% | no change |
| MERIDIAN3 Industrials Acquisition Corp. MIACW | 37.5K | $12.8 million | 0.01% | new |
| Launchpad Cadenza Acqu Corp. LPCVW | 41.7K | $12.7 million | 0.01% | no change |
| Trailblazer Acquisition Corp. BLZRW | 33.3K | $12.6 million | 0.01% | no change |
| RMG ML Sports Holdings SHOTR | 100.0K | $12.5 million | 0.01% | new |
| Energy Transition SPL Opport ETSSWS | 50.0K | $12.5 million | 0.01% | new |
| Burtech Acquisition Corp. II BRKHW | 87.2K | $12.2 million | 0.01% | new |
| Kpet Ultra Paceline Corp. KPETWS | 20.2K | $12.1 million | 0.01% | new |
| Wen Acquisition Corp. WENNW | 49.4K | $11.9 million | 0.01% | no change |
| Long Table Growth Corp. LTGRW | 45.0K | $11.7 million | 0.01% | new |
| Newhold Invts Corp. IV NHIVW | 25.0K | $11.5 million | 0.01% | new |
| Snow Rothschild Acquisition Corp. ISNRW | 50.0K | $11.5 million | 0.01% | new |
| Ampercap Acquisition Co. APMCR | 125.0K | $11.2 million | 0.01% | new |
| Republic Digital Acquisition RDAGW | 49.4K | $11.1 million | 0.01% | no change |
| Vine Hill Cap Invts Corp. II VHCPW | 33.3K | $11.0 million | 0.01% | no change |
| Lafayette Digital Acquisitio ZKPW | 43.8K | $10.9 million | 0.01% | no change |
| Cartesian Growth Corp. IV CGCFW | 33.3K | $10.7 million | 0.01% | new |
| Cambridge Acquisition Corp. CAQUW | 33.3K | $10.5 million | 0.01% | no change |
| B&R Technology Merger Corp. BRTMW | 33.3K | $10.4 million | 0.01% | new |
| Egh Acquisition Corp. EGHAR | 39.4K | $10.4 million | 0.01% | -10.0K |
| Krakacquisition Corporation KRAQW | 25.0K | $10.3 million | 0.01% | no change |
| Colombier Acquisition Corp. I CLBRWS | 15.6K | $10.2 million | 0.01% | no change |
| Eqv Ventures Ac Corp. II EVACWS | 33.0K | $10.0 million | 0.01% | no change |
| HCM III Acquisition Corp. HCMAW | 16.7K | $10.0 million | 0.01% | no change |
| Karman Line Acquisition Corp. XTERW | 37.5K | $9.8 million | 0.01% | new |
| D Boral Acquisition I Corp. DBCAW | 27.5K | $9.6 million | 0.01% | no change |
| Patriot Acquisition Corp. PTACW | 50.0K | $9.5 million | 0.01% | new |
| Space Asset Acquisition Corp. SAAQW | 20.0K | $9.4 million | 0.01% | no change |
| General Purp Acquisition Cor GPACW | 37.5K | $9.3 million | 0.01% | no change |
| Willow Lane Acquisition CRP WLIIW | 12.5K | $9.1 million | 0.01% | no change |
| Spring Vy Acquisition Corp. I SVIVW | 12.5K | $9.1 million | 0.01% | no change |
| Hennessy Cap Invts Corp. Viii HCICR | 100.0K | $8.6 million | 0.01% | no change |
| Launch One Acquisition Corp. LPAAW | 81.4K | $8.2 million | 0.01% | no change |
| Osprey Acquisition Corp. III OSPRW | 23.3K | $8.2 million | 0.01% | new |
| Fact II Acquisition Corp. FACTW | 50.0K | $8.0 million | 0.01% | no change |
| Invest Green Acquisition Corp IGACR | 50.0K | $8.0 million | 0.01% | no change |
| Apex Treas Corp. APXTW | 25.0K | $8.0 million | 0.01% | no change |
| Evolution Global Acquisition EVOXW | 25.0K | $7.8 million | 0.01% | no change |
| Galata Acquisition Corp. II LATAW | 35.4K | $7.6 million | 0.01% | no change |
| Cal Redwood Acquisition Corp. CRAQR | 49.4K | $7.4 million | 0.01% | no change |
| Amr Res Acquisition Corp. AMACW | 27.9K | $7.3 million | 0.01% | new |
| Solarius Capital Acqu Corp. SOCAW | 35.0K | $6.8 million | 0.01% | no change |
| Pyrophyte Acquisition Corp. PAIIWS | 24.8K | $6.4 million | 0.01% | no change |
| Viking Acquisition Corp. II VIIWS | 16.7K | $6.2 million | 0.01% | new |
| Yorkville Intl Cap Corp. YICCW | 16.7K | $6.0 million | 0.01% | new |
| 1RT Acquisition Corp. ONCHW | 12.4K | $5.6 million | 0.01% | no change |
| Hall Chadwick Acquisition Co. HCACR | 25.0K | $5.5 million | 0.01% | no change |
| Dynamix Corp. III DNMXW | 25.0K | $5.5 million | 0.01% | no change |
| Kochav Defense Acqui Co. KCHVR | 54.4K | $5.4 million | 0.01% | no change |
| Melar Acquisition Corp. I MACIW | 44.1K | $5.4 million | 0.01% | no change |
| Spartacus Acquisition Corp. I TMTSW | 13.3K | $5.3 million | 0.01% | no change |
| Bitcoin Infrastructure Acqui BIXIW | 17.5K | $5.3 million | 0.01% | no change |
| Tailwind 2.0 Acquisition Cor TDWDR | 50.0K | $5.1 million | 0.00% | no change |
| Silverbox Corp. V SBXEWS | 16.7K | $5.0 million | 0.00% | no change |
| Pioneer Acquisition I Corp. PACHW | 34.7K | $4.5 million | 0.00% | no change |
| Oyster Enterprises II Acquis OYSER | 49.4K | $4.4 million | 0.00% | no change |
| Launch Two Acquisition Corp. LPBBW | 15.9K | $2.1 million | 0.00% | -57.5K |
Every US-listed position in the fund's 13F for the quarter ended 30 September 2026, by the value it reported.