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 |
SNDK
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 | |
|---|---|---|---|---|---|---|
2826
CALL
Ameren
AEE
$29.5B
| $2.42M | ﹤0.01% |
21,400
+12,500
| +140% | +$1.38M |
|
2827
CALL
Vanguard Morningstar Value ETF
VTV
$193B
| $2.42M | ﹤0.01% |
11,100
-200
| -2% | -$41.8K |
|
2828
PUT
APi Group
APG
$17.3B
| $2.42M | ﹤0.01% |
+57,100
| New | +$2.49M |
|
|
GRID
2829
CALL
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$11.8B
| $2.42M | ﹤0.01% |
12,600
+10,900
| +641% | +$2.05M |
|
2830
PUT
Novavax
NVAX
$1.69B
| $2.41M | ﹤0.01% |
256,000
+7,900
| +3% | +$70.8K |
|
2831
CALL
USA Compression Partners
USAC
$3.95B
| $2.41M | ﹤0.01% |
91,300
+68,200
| +295% | +$1.88M |
|
2832
CALL
Haemonetics
HAE
$4.68B
| $2.41M | ﹤0.01% |
32,100
+18,400
| +134% | +$1.18M |
|
2833
CALL
Autoliv
ALV
$9.17B
| $2.4M | ﹤0.01% |
20,700
+18,100
| +696% | +$2.15M |
|
2834
CALL
Global E Online
GLBE
$6.44B
| $2.4M | ﹤0.01% |
69,200
-800
| -1% | -$25.3K |
|
2835
Knight Transportation
KNX
$11.7B
| $2.4M | ﹤0.01% |
30,823
+12,186
| +65% | +$844K |
|
2836
CALL
Penumbra
PEN
$12.7B
| $2.4M | ﹤0.01% |
7,600
+5,900
| +347% | +$1.91M |
|
2837
Weyerhaeuser
WY
$16.6B
| $2.4M | ﹤0.01% |
100,064
+17,649
| +21% | +$429K |
|
2838
CALL
Churchill Downs
CHDN
$6.07B
| $2.39M | ﹤0.01% |
26,700
-1,600
| -6% | -$143K |
|
2839
Fortune Brands Innovations
FBIN
$5.15B
| $2.39M | ﹤0.01% |
43,575
+23,959
| +122% | +$959K |
|
|
CALY
2840
CALL
Callaway Golf Company
CALY
$2.84B
| $2.39M | ﹤0.01% |
127,200
+8,600
| +7% | +$135K |
|
2841
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
| $2.39M | ﹤0.01% |
27,183
+23,103
| +566% | +$1.97M |
|
2842
PUT
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$264M
| $2.39M | ﹤0.01% |
25,400
+11,800
| +87% | +$792K |
|
|
DGXX
2843
Digi Power X Inc
DGXX
$380M
| $2.38M | ﹤0.01% |
437,313
+414,548
| +1,821% | +$2.26M |
|
2844
CALL
Nordson
NDSN
$17.7B
| $2.38M | ﹤0.01% |
7,900
+5,200
| +193% | +$1.48M |
|
|
WRD
2845
CALL
WeRide Inc
WRD
$1.97B
| $2.38M | ﹤0.01% |
409,100
-136,300
| -25% | -$984K |
|
2846
CALL
B2Gold
BTG
$7.41B
| $2.38M | ﹤0.01% |
636,600
+128,500
| +25% | +$589K |
|
2847
Guggenheim Strategic Opportunities Fund
GOF
$2.1B
| $2.38M | ﹤0.01% |
+217,872
| New | +$2.43M |
|
2848
CALL
Tilray
TLRY
$619M
| $2.38M | ﹤0.01% |
529,300
-285,900
| -35% | -$1.64M |
|
2849
CALL
Kinsale Capital Group
KNSL
$8.5B
| $2.37M | ﹤0.01% |
7,200
-5,300
| -42% | -$1.7M |
|
2850
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$469M
| $2.36M | ﹤0.01% |
41,900
+10,800
| +35% | +$622K |
|
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.