§ 13F · FUND PROFILE
Granite FO LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $184.1T (13F)Positions · 632Turnover · — · Q4Filed · Feb 6, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$2.7B deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 6, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | BRK/A | BERKSHIRE HATHAWAY INC DEL | 27 | $20.4T | 10.9% | +350% |
| 2 | MU | MICRON TECHNOLOGY INC | 44K | $12.5T | 6.7% | ±0% |
| 3 | BRK/B | BERKSHIRE HATHAWAY INC DEL | 15K | $7.8T | 4.1% | ±0% |
| 4 | BRK/A | BERKSHIRE HATHAWAY INC DEL | 6 | $4.5T | 2.4% | ±0% |
| 5 | SPY | SPDR S&P 500 ETF TR | 6K | $3.8T | 2.0% | — |
| 6 | SPY | SPDR S&P 500 ETF TR | 5K | $3.5T | 1.9% | — |
| 7 | SPY | SPDR S&P 500 ETF TR | 4K | $3.0T | 1.6% | — |
| 8 | SPY | SPDR S&P 500 ETF TR | 4K | $3.0T | 1.6% | — |
| 9 | GBDC | GOLUB CAP BDC INC | 219K | $3.0T | 1.6% | — |
| 10 | SPY | SPDR S&P 500 ETF TR | 4K | $2.8T | 1.5% | — |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE GRANITE SIGNAL
AC read
Granite FO LLC is a Other fund managing $184106.2 trillion in assets. The fund runs a broad portfolio of 632 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed