§ 13F · FUND PROFILE
Corundum Group, Inc..
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $226.2T (13F)Positions · 103Turnover · — · Q4Filed · Jan 12, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$28.4T 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 JAN 12, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | IWF | ISHARES RUSSELL 1000 GROWTH ET | 76K | $36.0T | 12.1% | +18% |
| 2 | IWD | ISHARES RUSSELL 1000 VALUE ETF | 163K | $34.3T | 11.5% | +33% |
| 3 | MMM | 3M COMPANY | 98K | $15.7T | 5.3% | ±0% |
| 4 | EFA | ISHARES MSCI EAFE ETF | 156K | $14.9T | 5.0% | +21% |
| 5 | LMT | LOCKHEED MARTIN CORP | 26K | $12.5T | 4.2% | NEW |
| 6 | IWO | ISHARES RUSSELL 2000 GROWTH ET | 34K | $11.1T | 3.7% | +19% |
| 7 | LIN | LINDE PLC ORDINARY SHARES | 24K | $10.1T | 3.4% | NEW |
| 8 | IWN | ISHARES RUSSELL 2000 VALUE ETF | 54K | $9.8T | 3.3% | +23% |
| 9 | IWS | ISHARES RUSSELL MID CAP VALUE | 68K | $9.6T | 3.2% | +30% |
| 10 | IWP | ISHARES RUSSELL MID CAP GROWTH | 69K | $9.4T | 3.2% | +27% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE CORUNDUM SIGNAL
AC read
Corundum Group, Inc. is a Other fund managing $226163.8 trillion in assets. The fund runs a portfolio of 103 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
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed