Gritstone Asset Management
Gritstone Asset Management reported 195 stocks worth $103M in its 13F filing for Q3 2026, filed Oct 26, 2026. Its largest holdings are ARCC (8.3%), ALDF (4.1%) and AAC (2.5%). Compared with Q2 2026, the fund opened new positions in AAC, SAMO and LOVIU, trimmed OACC, IEAG and KCA.U and sold out of AAC.U, BEAG and ONEN.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  ARCC Ares Capital Corp | $8.5M | 8.3% | 447K | No change | 7 of 8 | |
| 2 |  ALDF Aldel Finl II Inc | $4.3M | 4.1% | 394K | No change | 7 of 8 | |
| 3 |  AAC Ares Acquisition Corp III | $2.5M | 2.5% | 250K | New position | 1 of 8 | |
| 4 |  OACC Oaktree Acquisition Corp III | $2.1M | 2.0% | 195K | −200K (−51%) | 8 of 8 | |
| 5 |  RAC Rithm Acquisition Corp | $2.1M | 2.0% | 198K | No change | 6 of 8 | |
| 6 |  RREV Rre Ventures Acquisition Cor | $2M | 1.9% | 200K | No change | 2 of 8 | |
| 7 |  SAMO Samos Energy Acquisition Cor | $2M | 1.9% | 200K | New position | 1 of 8 | |
| 8 |  NWAX New Amer Acquisition I Corp | $2M | 1.9% | 195K | No change | 3 of 8 | |
| 9 |  ZKP Lafayette Digital Acquisitio | $1.8M | 1.7% | 175K | No change | 2 of 8 | |
| 10 |  KFII K&F Growth Acquisition Corp | $1.6M | 1.5% | 149K | No change | 6 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 AAC.U Ares Acquisition Corp III | $2.5M | 250K |
 BEAG Bold Eagle Acquisition Corp | $2.1M | 194K |
ARTIUS II ACQUISITION INC | $2.1M | 198K |
 ONEN Hennessy Cap Invt Corp Vii | $2.1M | 198K |
 LPBB Launch Two Acquisition Corp. | $1.6M | 147K |
🔒 Free account: see all 30.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 26, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Gritstone Asset Management 13F FAQ
What does Gritstone Asset Management own?
Gritstone Asset Management reported 195 stocks worth $103M in its 13F filing for Q3 2026, filed Oct 26, 2026. Its largest holdings are ARCC (8.3%), ALDF (4.1%) and AAC (2.5%). The table above lists every position in the filing (the top 10 without an account).
What did Gritstone Asset Management buy and sell in Q3 2026?
Compared with Q2 2026: 52 new positions, 0 added to, 5 trimmed and 31 sold out. New positions include AAC, SAMO and LOVIU. It sold all of AAC.U, BEAG and ONEN.
When will Gritstone Asset Management file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is Gritstone Asset Management's portfolio worth?
The Q3 2026 filing reports $103M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.