§ 13F · FUND PROFILE
Mesirow Financial Investment Management, Inc..
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $5128.5T (13F)Positions · 536Turnover · — · Q4Filed · Feb 5, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$137.2T 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 5, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DEL | 812K | $408.4T | 8.4% | −16% |
| 2 | AAPL | APPLE INC | 1000K | $271.7T | 5.6% | −5% |
| 3 | MOAT | VANECK ETF TRUST | 1.98M | $205.5T | 4.2% | −24% |
| 4 | GOOG | ALPHABET INC | 524K | $164.3T | 3.4% | −7% |
| 5 | MSFT | MICROSOFT CORP | 290K | $140.1T | 2.9% | −12% |
| 6 | AKRE | PROFESIONALLY MANAGED PORTFO | 2.01M | $131.8T | 2.7% | NEW |
| 7 | IJR | ISHARES TR | 1.09M | $130.8T | 2.7% | −26% |
| 8 | GOOGL | ALPHABET INC | 361K | $112.9T | 2.3% | −8% |
| 9 | ITOT | ISHARES TR | 740K | $110.0T | 2.3% | −28% |
| 10 | IVV | ISHARES TR | 159K | $109.0T | 2.2% | −34% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE MESIROW SIGNAL
AC read
Mesirow Financial Investment Management, Inc. is a Other fund managing $5128461.8 trillion in assets. The fund runs a broad portfolio of 536 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