IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$568M |
| 2 |
Amazon
AMZN
|
+$341M |
| 3 |
iShares MSCI South Korea ETF
EWY
|
+$278M |
| 4 |
Apple
AAPL
|
+$239M |
| 5 |
TSMC
TSM
|
+$215M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$316M |
| 2 |
Tesla
TSLA
|
+$253M |
| 3 |
Micron Technology
MU
|
+$178M |
| 4 |
iShares Bitcoin Trust
IBIT
|
+$176M |
| 5 |
Sandisk
SNDK
|
+$159M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.94% |
| 2 | Technology | 0.92% |
| 3 | Consumer Discretionary | 0.31% |
| 4 | Financials | 0.17% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
5876
Mission Produce
AVO
$1.04B
| $131K | ﹤0.01% |
+11,111
| New | +$140K |
2026 Q2
0 quarters
|
|
5877
Gemini Space Station
GEMI
$411M
| $130K | ﹤0.01% |
+30,572
| New | +$144K |
2026 Q2
0 quarters
|
|
5878
PUT
AIRO Group Holdings
AIRO
$151M
| $130K | ﹤0.01% |
17,600
+1,400
| +9% | +$11K |
2025 Q4
2 quarters
|
|
5879
CALL
Vaalco Energy
EGY
$655M
| $130K | ﹤0.01% |
25,600
-43,500
| -63% | -$251K |
2025 Q4
2 quarters
|
|
5880
T-REX 2X Long CRCL Daily Target ETF
CCUP
$38.3M
| $130K | ﹤0.01% |
8,708
+1,218
| +16% | +$53.2K |
2026 Q1
1 quarter
|
|
5881
PUT
Canaan Creative
CAN
$159M
| $129K | ﹤0.01% |
450,700
+111,000
| +33% | +$48.2K |
2025 Q3
3 quarters
|
|
5882
CALL
EVgo
EVGO
$146M
| $129K | ﹤0.01% |
67,300
+9,600
| +17% | +$19.3K |
2026 Q1
1 quarter
|
|
5883
CALL
Hornbeck Offshore Services, Inc.
HOS
$2.15B
| $128K | ﹤0.01% |
14,700
-14,100
| -49% | -$136K |
2026 Q1
1 quarter
|
|
5884
CALL
Energy Recovery
ERII
$340M
| $128K | ﹤0.01% |
14,200
-1,700
| -11% | -$16.2K |
2026 Q1
1 quarter
|
|
5885
PUT
Evolent Health
EVH
$553M
| $128K | ﹤0.01% |
+23,600
| New | +$90.5K |
2026 Q2
0 quarters
|
|
5886
CALL
RideNow Group
RDNW
$202M
| $128K | ﹤0.01% |
19,200
-1,900
| -9% | -$13.8K |
2026 Q1
1 quarter
|
|
5887
Fortuna Silver Mines
FSM
$2.82B
| $128K | ﹤0.01% |
+15,097
| New | +$146K |
2026 Q2
0 quarters
|
|
5888
LG Display
LPL
$2.61B
| $127K | ﹤0.01% |
+32,721
| New | +$150K |
2026 Q2
0 quarters
|
|
5889
Imperial Petroleum
IMPP
$224M
| $127K | ﹤0.01% |
27,574
-26,545
| -49% | -$129K |
2026 Q1
1 quarter
|
|
5890
CALL
LifeVantage
LFVN
$75.3M
| $126K | ﹤0.01% |
+20,200
| New | +$122K |
2026 Q2
0 quarters
|
|
5891
Dave & Buster's
PLAY
$260M
| $126K | ﹤0.01% |
+11,048
| New | +$132K |
2026 Q2
0 quarters
|
|
5892
PUT
Amplify Energy
AMPY
$184M
| $125K | ﹤0.01% |
+31,500
| New | +$162K |
2026 Q2
0 quarters
|
|
5893
Real REMAX Group Inc. Common Stock
REAX
$356M
| $125K | ﹤0.01% |
+6,874
| New | +$140K |
2026 Q2
0 quarters
|
|
5894
PUT
loanDepot
LDI
$194M
| $125K | ﹤0.01% |
99,900
-21,900
| -18% | -$29.5K |
2025 Q3
3 quarters
|
|
5895
PUT
Payoneer
PAYO
$2.43B
| $125K | ﹤0.01% |
17,500
+1,100
| +7% | +$6.02K |
2026 Q1
1 quarter
|
|
5896
PUT
Senseonics Holdings Inc
SENS
$391M
| $124K | ﹤0.01% |
21,900
-106,900
| -83% | -$685K |
2025 Q4
2 quarters
|
|
5897
StealthGas
GASS
$305M
| $124K | ﹤0.01% |
15,713
-23,207
| -60% | -$218K |
2026 Q1
1 quarter
|
|
5898
Defiance Daily Target 2x Long OKLO ETF
OKLL
$275M
| $124K | ﹤0.01% |
+5,053
| New | +$209K |
2026 Q2
0 quarters
|
|
5899
PUT
Burford Capital
BUR
$740M
| $124K | ﹤0.01% |
+30,200
| New | +$138K |
2026 Q2
0 quarters
|
|
5900
Valens Semiconductor
VLN
$159M
| $123K | ﹤0.01% |
54,508
-9,459
| -15% | -$21.2K |
2026 Q1
1 quarter
|
|
Similar funds
IMC Chicago's Q2 2026 Portfolio in Review
As of Q2 2026, IMC Chicago held 6,955 positions worth $419B, up 50% from $278B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
IMC Chicago's Q2 2026 filing shows 1,282 new, 3,251 increased, 1,751 reduced and 653 closed positions. Its largest new stake was Microsoft: 303,034 shares worth $113M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $316M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2026 buy was Microsoft: 303,034 shares worth $113M.
- IMC Chicago added most to State Street SPDR Dow Jones Industrial Average ETF Trust in Q2 2026, an estimated $568M increase.
- IMC Chicago's biggest Q2 2026 reduction was Tesla, cutting an estimated $253M.
- IMC Chicago fully exited State Street SPDR S&P 500 ETF Trust in Q2 2026, selling an estimated $316M.
- IMC Chicago's ten largest holdings make up 34% of its $419B portfolio in Q2 2026.
- IMC Chicago opened 1,282 new positions and closed 653 in Q2 2026.
- IMC Chicago's portfolio value rose 50% quarter-over-quarter to $419B.
Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.