§ 13F · FUND PROFILE
IMC-Chicago, LLC.
Options market maker, high-frequency
AUM · $225165.0T (13F)Positions · 3502Turnover · 100% · Q4Filed · Jan 29, 2026
CONCENTRATION
36%
Top 10 holdings
NEW BUYS
+1076
+$8811.2T deployed
EXITS
0
No exits
SECTOR SHIFT
TECHNOLOGY → OTHER
-2pp · +1pp
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED JAN 29, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | SPY | SPDR S&P 500 ETF TR | 34.49M | $23521.7T | 8.5% | −19% |
| 2 | SPY | SPDR S&P 500 ETF TR | 23.50M | $16024.2T | 5.8% | +11% |
| 3 | TSLA | TESLA INC | 22.10M | $9940.8T | 3.6% | +3% |
| 4 | NVDA | NVIDIA CORPORATION | 50.98M | $9508.3T | 3.5% | −8% |
| 5 | NVDA | NVIDIA CORPORATION | 49.25M | $9185.6T | 3.3% | −22% |
| 6 | TSLA | TESLA INC | 18.52M | $8329.3T | 3.0% | +2% |
| 7 | QQQ | INVESCO QQQ TR | 12.26M | $7533.5T | 2.7% | −7% |
| 8 | QQQ | INVESCO QQQ TR | 8.45M | $5193.0T | 1.9% | +3% |
| 9 | META | META PLATFORMS INC | 7.58M | $5003.6T | 1.8% | +24% |
| 10 | — | ISHARES TR | 19.47M | $4793.6T | 1.7% | — |
§ 02 · SECTOR ALLOCATION
Where the money is
Other18.3% (+1pp)
Technology13.8% (−1pp)
Semiconductors13.1% (±0)
Media9.0% (±0)
Automobiles7.0% (±0)
Retail4.4% (±0)
§ 03 · THE IMC-CHICAGO, SIGNAL
AC read
IMC-Chicago, LLC is a Systematic / Quant fund managing $225164972.1 trillion in assets. The fund runs a massive portfolio of 3,502 positions, broad diversification across holdings, with the top 10 accounting for 36%. Trading activity is aggressive at 100% quarterly turnover, with 1076 new positions and 0 exits last quarter. Top sector allocations: Other (18%), Technology (14%), Semiconductors (13%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Busy quarter
+1076 buys · −0 exits · 3197 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