IMC-CHICAGO LLC
Q3 2026 Form 13-F
CHICAGO, ILLINOIS
CIK 0001452861
· Institutional investment manager
$483.4B Reported Value Total
Reported value
$483.4B
Quarter over quarter
-3.5%
Holdings
1,477
Top-10 concentration
34.2%
Key People
Named on the latest Form 13-F filing — not necessarily an owner
Laura Taylor
Controller
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Q3 2026 13F record
Q3 2026 13F filing summary
| Period of report | September 30, 2026 |
|---|---|
| Filed | November 05, 2026 |
| Form | 13F-HR |
| Reported value | $483.4B |
| Positions | 1,477 |
| Change in reported value | +15.5% |
| New positions | 525 |
| Exited positions | 602 |
| Position turnover | 54.2% |
| Top-10 concentration | 34.2% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Nov 5, 2026
|
1,477 | $483.4B |
|
Q2 2026 13F
Filed Aug 6, 2026
|
1,554 | $418.7B |
|
Q1 2026 13F
Filed May 5, 2026
|
1,290 | $278.4B |
|
Q4 2025 13F
Filed Jan 29, 2026
|
850 | $275.4B |
|
Q3 2025 13F
Filed Nov 4, 2025
|
734 | $275.0B |
|
Q2 2025 13F
Filed Jul 22, 2025
|
599 | $225.2B |
|
Q1 2025 13F
Filed Apr 14, 2025
|
542 | $176.7B |
|
Q4 2024 13F
Filed Jan 27, 2025
|
627 | $214.7B |
|
Q3 2024 13F
Filed Oct 25, 2024
|
470 | $183.8B |
|
Q2 2024 13F
Filed Jul 15, 2024
|
559 | $164.0B |
|
Q1 2024 13F
Filed Apr 12, 2024
|
441 | $162.8B |
|
Q4 2023 13F
Filed Feb 9, 2024
|
281 | $148.9B |
|
Q3 2023 13F
Filed Oct 12, 2023
|
279 | $112.9B |
|
Q2 2023 13F
Filed Jul 14, 2023
|
177 | $108.7B |
|
Q1 2023 13F
Filed Apr 24, 2023
|
192 | $85.3B |
|
Q4 2022 13F
Filed Feb 9, 2023
|
173 | $64.0B |
|
Q3 2022 13F
Filed Nov 8, 2022
|
212 | $77.8B |
|
Q2 2022 13F
Filed Aug 5, 2022
|
218 | $71.1B |
|
Q1 2022 13F
Filed Apr 19, 2022
|
233 | $101.1B |
|
Q4 2021 13F
Filed Feb 8, 2022
|
281 | $120.2B |
12 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q3 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | SPY P STATE STR SPDR S&P 500 ETF T | $44.2B | 9.14% |
| 2 | SPY C STATE STR SPDR S&P 500 ETF T | $31.3B | 6.48% |
| 3 | MU P MICRON TECHNOLOGY INC | $15.9B | 3.29% |
| 4 | QQQ P INVESCO QQQ TR | $15.2B | 3.15% |
| 5 | MU C MICRON TECHNOLOGY INC | $13.2B | 2.73% |
| 6 | QQQ C INVESCO QQQ TR | $10.9B | 2.25% |
| 7 | NVDA C NVIDIA CORPORATION | $9.5B | 1.97% |
| 8 | NVDA P NVIDIA CORPORATION | $8.7B | 1.79% |
| 9 | SNDK P SANDISK CORP | $8.4B | 1.75% |
| 10 | MSFT C MICROSOFT CORP | $7.7B | 1.6% |
| 11 | SNDK C SANDISK CORP | $7.4B | 1.54% |
| 12 | AMD P ADVANCED MICRO DEVICES INC | $7.4B | 1.53% |
| 13 | AMD C ADVANCED MICRO DEVICES INC | $7.1B | 1.48% |
| 14 | TSLA C TESLA INC | $6.8B | 1.41% |
| 15 | META C META PLATFORMS INC | $6.6B | 1.37% |
| 16 | NYC P ISHARES TR | $5.8B | 1.2% |
| 17 | AAPL C APPLE INC | $5.7B | 1.18% |
| 18 | TSLA P TESLA INC | $5.1B | 1.06% |
| 19 | GOOG C ALPHABET INC | $5.0B | 1.03% |
| 20 | META P META PLATFORMS INC | $4.5B | 0.92% |
Values as reported on the Q3 2026 Form 13F. Every position is in the holdings table below.