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 | |
|---|---|---|---|---|---|---|
|
VISN
2276
CALL
Vistance Networks Inc
VISN
$1.48B
| $4.23M | ﹤0.01% |
331,000
+40,200
| +14% | +$567K |
|
2277
CALL
2x Bitcoin ETF
BITX
$1.25B
| $4.23M | ﹤0.01% |
409,700
+62,500
| +18% | +$1.01M |
|
2278
CALL
Compass
COMP
$8.54B
| $4.22M | ﹤0.01% |
342,600
+120,700
| +54% | +$1.01M |
|
2279
PUT
EPAM Systems
EPAM
$6.04B
| $4.22M | ﹤0.01% |
53,200
+22,500
| +73% | +$2.38M |
|
2280
CALL
Butterfly Network
BFLY
$1.96B
| $4.22M | ﹤0.01% |
500,700
+102,100
| +26% | +$529K |
|
2281
CALL
Kulicke & Soffa
KLIC
$4.27B
| $4.21M | ﹤0.01% |
31,500
+19,900
| +172% | +$1.95M |
|
2282
CALL
Eastman Chemical
EMN
$8.14B
| $4.21M | ﹤0.01% |
62,900
-33,300
| -35% | -$2.44M |
|
2283
PUT
Sunoco
SUN
$14.2B
| $4.21M | ﹤0.01% |
62,400
+200
| +0.3% | +$13.3K |
|
2284
PUT
CVR Energy
CVI
$4.47B
| $4.21M | ﹤0.01% |
152,900
+88,600
| +138% | +$2.81M |
|
2285
CALL
Vanguard Short-Term Treasury ETF
VGSH
$30.1B
| $4.21M | ﹤0.01% |
37,100
+22,200
| +149% | +$1.29M |
|
2286
State Street Materials Select Sector SPDR ETF
XLB
$8.68B
| $4.2M | ﹤0.01% |
+82,691
| New | +$4.24M |
|
2287
Gildan
GIL
$9.89B
| $4.19M | ﹤0.01% |
81,159
+70,514
| +662% | +$4.05M |
|
2288
CALL
Cheesecake Factory
CAKE
$5.35B
| $4.18M | ﹤0.01% |
52,600
-29,400
| -36% | -$1.9M |
|
2289
FIVE9
FIVN
$2.49B
| $4.18M | ﹤0.01% |
+196,188
| New | +$3.87M |
|
2290
Pfizer
PFE
$162B
| $4.18M | ﹤0.01% |
+173,689
| New | +$4.54M |
|
2291
CALL
Vanguard Consumer Discretionary ETF
VCR
$5.94B
| $4.18M | ﹤0.01% |
22,100
+200
| +0.9% | +$77.7K |
|
2292
CALL
Uranium Energy
UEC
$5.71B
| $4.18M | ﹤0.01% |
391,800
-1,400
| -0.4% | -$18.8K |
|
2293
CALL
Ingersoll Rand
IR
$29.6B
| $4.17M | ﹤0.01% |
50,900
-10,800
| -18% | -$836K |
|
2294
CALL
Alpha Metallurgical Resources
AMR
$2.86B
| $4.17M | ﹤0.01% |
25,300
+800
| +3% | +$152K |
|
|
ZVOL
2295
PUT
Volatility Premium Plus ETF
ZVOL
$17.1M
| $4.17M | ﹤0.01% |
430,200
+173,500
| +68% | +$1.46M |
|
2296
CALL
Impinj
PI
$5.27B
| $4.15M | ﹤0.01% |
29,000
+4,100
| +16% | +$535K |
|
2297
Dollar General
DG
$29.4B
| $4.15M | ﹤0.01% |
36,063
+34,255
| +1,895% | +$3.89M |
|
2298
PUT
ProShares UltraPro Short S&P 500
SPXU
$390M
| $4.15M | ﹤0.01% |
111,900
-39,400
| -26% | -$1.63M |
|
2299
PUT
Harley-Davidson
HOG
$2.95B
| $4.14M | ﹤0.01% |
169,400
+29,300
| +21% | +$704K |
|
2300
CBRE Group
CBRE
$42.8B
| $4.14M | ﹤0.01% |
30,759
+16,581
| +117% | +$2.28M |
|
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.