IMC-Chicago, LLC
•CIK: 1452861•Filing: Q4 2025
IMC-Chicago, LLC, managed by the renowned investment team of Ken Heebner, is known for its concentrated, high-conviction strategy, currently holding 4,197 positions with a focus on biotechnology and technology sectors. Recently, the fund has made notable moves by adding TSM and Baxter International, while exiting Amazon and VOO, reflecting its dynamic approach to capitalizing on growth opportunities and adjusting to market conditions.
Total AUM
$5.7B
+ $269.7B in options
QoQ Performance
+0.9%
Positions
711
+ 1701 options
Top 10 Concentration
44.3%
Latest Filing
Q4 2025
Top Holdings Allocation
SPY
SPY
SPY8.5%
SPY5.8%
TSLA3.6%
NVDA3.5%
NVDA3.3%
TSLA3.0%
IVZ2.7%
IVZ1.9%
📈 Biggest Buys
📉 Biggest Sells
Sector Breakdown
Other34.4%
Technology28.4%
ETF17.7%
Consumer11.6%
Financial2.8%
Healthcare2.1%
Communication1.8%
Industrial1.1%
🚪 Exited Positionssold since Q3 2025
—
OKLO INC
SOLD
$228.9M
—
ON SEMICONDUCTOR CORP
SOLD
$220.6M
—
BLOOM ENERGY CORP
SOLD
$214.5M
+3506 more exited positions
Changes from Q3 2025
NEW12 new positions
↑104 increased
↓84 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023