Funds › Gritstone Asset Management LLC
Gritstone Asset Management LLC
13F for Q3 2026, filed Oct 26, 2026. 195 positions worth $103.1M.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q3 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | ARCC Ares Capital Corporation | 447,203 | $8.5M | 8.3% | Unchanged | 13F ↗ |
| 2 | ALDF Aldel Financial II Inc. | 394,214 | $4.3M | 4.1% | Unchanged | 13F ↗ |
| 3 | AAC Ares Acquisition Corporation III | 250,000 | $2.5M | 2.5% | New | 13F ↗ |
| 4 | OACC Oaktree Acquisition Corp. III Life Sciences | 194,908 | $2.1M | 2.0% | -50.6% | 13F ↗ |
| 5 | RAC Rithm Acquisition Corp. | 197,598 | $2.1M | 2.0% | Unchanged | 13F ↗ |
| 6 | RREV RRE Ventures Acquisition Corp. | 200,000 | $2.0M | 1.9% | Unchanged | 13F ↗ |
| 7 | SAMO Samos Energy Acquisition Corporation | 200,000 | $2.0M | 1.9% | New | 13F ↗ |
| 8 | NWAX New America Acquisition I Corp. | 195,000 | $2.0M | 1.9% | Unchanged | 13F ↗ |
| 9 | ZKP Lafayette Digital Acquisition Corp. I | 175,000 | $1.8M | 1.7% | Unchanged | 13F ↗ |
| 10 | KFII K&F Growth Acquisition Corp. II | 148,743 | $1.6M | 1.5% | Unchanged | 13F ↗ |
| 11 | TLNC Talon Capital Corp. | 150,000 | $1.5M | 1.5% | Unchanged | 13F ↗ |
| 12 | LFAC Leapfrog Acquisition Corporation | 150,000 | $1.5M | 1.5% | Unchanged | 13F ↗ |
| 13 | LOVIU Live Oak Acquisition Corp. VI Units · Units | 150,000 | $1.5M | 1.5% | New | 13F ↗ |
| 14 | SVCC Stellar V Capital Corp. | 133,770 | $1.4M | 1.4% | Unchanged | 13F ↗ |
| 15 | HVMC Highview Merger Corp. | 127,021 | $1.3M | 1.3% | Unchanged | 13F ↗ |
| 16 | SOCA Solarius Capital Acquisition Corp. | 125,000 | $1.3M | 1.3% | Unchanged | 13F ↗ |
| 17 | OBA Oxley Bridge Acquisition Limited | 124,293 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 18 | OTGA OTG Acquisition Corp. I | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 19 | IEAG Infinite Eagle Acquisition Corp. | 125,000 | $1.3M | 1.2% | -28.6% | 13F ↗ |
| 20 | CLBR Colombier Acquisition Corp. III | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 21 | ALUB Alussa Energy Acquisition Corp. II | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 22 | SVAQ Silicon Valley Acquisition Corp. | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 23 | BLRK Bluerock Acquisition Corp. | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 24 | LPCV Launchpad Cadenza Acquisition Corp I | 125,000 | $1.3M | 1.2% | Unchanged | 13F ↗ |
| 25 | GHXI Gores Holdings XI, Inc. | 125,000 | $1.2M | 1.2% | New | 13F ↗ |
| 26 | APMC AmperCap Acquisition Company | 124,988 | $1.2M | 1.2% | New | 13F ↗ |
| 27 | KPET KPET Ultra Paceline Corporation | 121,280 | $1.2M | 1.2% | New | 13F ↗ |
| 28 | ALOV Aldabra 4 Liquidity Opportunity Vehicle, Inc. | 118,214 | $1.2M | 1.2% | Unchanged | 13F ↗ |
| 29 | LATA Galata Acquisition Corp. II | 106,256 | $1.1M | 1.1% | Unchanged | 13F ↗ |
| 30 | GSHR Gesher Acquisition Corp. II | 98,832 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 31 | TACH Titan Acquisition Corp. | 98,764 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 32 | SZZL Sizzle Acquisition Corp. II | 98,992 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 33 | TACO Berto Acquisition Corp. | 98,853 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 34 | RDAG Republic Digital Acquisition Company | 98,850 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 35 | JENA Jena Acquisition Corporation II | 98,857 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 36 | WENN Wen Acquisition Corp | 98,857 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 37 | EVAC EQV Ventures Acquisition Corp. II | 98,865 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 38 | DSAC Daedalus Special Acquisition Corp. | 100,000 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 39 | AEAQ Activate Energy Acquisition Corp. | 100,000 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 40 | VHCP Vine Hill Capital Investment Corp. II | 100,000 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 41 | ACGC ACP Holdings Acquisition Corp. | 100,000 | $1.0M | 1.0% | New | 13F ↗ |
| 42 | CAQ Cambridge Acquisition Corp. | 100,000 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 43 | Pinnacle Acquisition Corp Units | 100,000 | $1.0M | 1.0% | New | 13F ↗ |
| 44 | KRAQ KRAKacquisition Corp | 100,000 | $1.0M | 1.0% | Unchanged | 13F ↗ |
| 45 | Kensington Cap Acquisition Units | 99,716 | $1.0M | 1.0% | -0.3% | 13F ↗ |
| 46 | BRRKU Bluerock Acquisition Corp. II · Units | 100,000 | $999.0K | 1.0% | New | 13F ↗ |
| 47 | HCIC Hennessy Capital Investment Corp. VIII | 100,000 | $998.0K | 1.0% | Unchanged | 13F ↗ |
| 48 | LEDRU Leader's Advantage Acquisition Corp. Units · Units | 100,000 | $996.0K | 1.0% | New | 13F ↗ |
| 49 | ETSS Energy Transition Special Opportunities | 100,000 | $996.0K | 1.0% | New | 13F ↗ |
| 50 | PTAC Patriot Acquisition Corp. | 100,000 | $996.0K | 1.0% | New | 13F ↗ |
Changes since Q2 2026
52 new, 1 added to, 5 trimmed, 31 exited, 137 unchanged. By estimated dollars.
New positions (52)
| AAC Ares Acquisition Corporation III | 250,000 | New | $2.5M |
| SAMO Samos Energy Acquisition Corporation | 200,000 | New | $2.0M |
| LOVIU Live Oak Acquisition Corp. VI Units · Units | 150,000 | New | $1.5M |
| GHXI Gores Holdings XI, Inc. | 125,000 | New | $1.2M |
| APMC AmperCap Acquisition Company | 124,988 | New | $1.2M |
| KPET KPET Ultra Paceline Corporation | 121,280 | New | $1.2M |
| ACGC ACP Holdings Acquisition Corp. | 100,000 | New | $1.0M |
| Pinnacle Acquisition Corp Units | 100,000 | New | $1.0M |
| BRRKU Bluerock Acquisition Corp. II · Units | 100,000 | New | $999.0K |
| LEDRU Leader's Advantage Acquisition Corp. Units · Units | 100,000 | New | $996.0K |
Added to (1)
| Position | Shares | Change | Est. dollars |
|---|---|---|---|
| ARCC Ares Capital Corporation | 447,203 | Unchanged | $2,196 |
Trimmed (5)
| OACC Oaktree Acquisition Corp. III Life Sciences | 194,908 | -50.6% | -$2.2M |
| IEAG Infinite Eagle Acquisition Corp. | 125,000 | -28.6% | -$511.0K |
| LPBBW Launch Two Acquisition Corp. · *W Exp 10/09/202 | 15,878 | -78.4% | -$7,558 |
| Kensington Cap Acquisition Units | 99,716 | -0.3% | -$2,850 |
| EGHAR EGH Acquisition Corp. Rights · Rights | 39,423 | -20.2% | -$2,633 |
Exited (31)
| Ares Acquisition Corp III Units | 250,000 | Exited | -$2.5M |
| BEAG Bold Eagle Acquisition Corp. | 194,488 | Exited | -$2.1M |
| Artius II Acquisition Inc | 197,656 | Exited | -$2.1M |
| ONEN ONE Nuclear Energy Inc. | 197,899 | Exited | -$2.1M |
| LPBB Launch Two Acquisition Corp. | 146,820 | Exited | -$1.6M |
| Newhold Invt Corp III | 123,541 | Exited | -$1.3M |
| GHXIU Gores Holdings XI, Inc. Units · Units | 125,000 | Exited | -$1.3M |
| APMCU AmperCap Acquisition Company · Units | 124,988 | Exited | -$1.3M |
| Kpet Ultra Paceline Corp Units | 121,280 | Exited | -$1.2M |
| IACQU Irenic Acquisition Corp. Units · Units | 100,000 | Exited | -$1.0M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
All positions
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q3 2026.
Filings
| Filing | ||||||
|---|---|---|---|---|---|---|
| Q3 2026 | Oct 26, 2026 | 13F-HR | 195 | $103.1M | Current | SEC ↗ |
| Q2 2026 | Aug 6, 2026 | 13F-HR | 174 | $104.0M | Current | SEC ↗ |
| Q1 2026 | May 5, 2026 | 13F-HR | 154 | $93.6M | Current | SEC ↗ |
| Q4 2025 | Jan 23, 2026 | 13F-HR | 148 | $104.8M | Current | SEC ↗ |
| Q3 2025 | Nov 4, 2025 | 13F-HR | 124 | $97.2M | Current | SEC ↗ |
| Q2 2025 | Jul 25, 2025 | 13F-HR | 120 | $101.1M | Current | SEC ↗ |
| Q1 2025 | May 15, 2025 | 13F-HR | 89 | $95.3M | Current | SEC ↗ |
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer