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 | |
|---|---|---|---|---|---|---|
1876
Direxion Daily Technology Bull 3x ETF
TECL
$6B
| $6.6M | ﹤0.01% |
28,581
+6,222
| +28% | +$1.12M |
|
1877
PUT
Ball Corp
BALL
$16.6B
| $6.58M | ﹤0.01% |
105,500
+84,800
| +410% | +$4.99M |
|
1878
CALL
Hormel Foods
HRL
$11.9B
| $6.57M | ﹤0.01% |
264,700
+78,600
| +42% | +$1.75M |
|
1879
CALL
Zions Bancorporation
ZION
$10.1B
| $6.57M | ﹤0.01% |
94,900
+1,200
| +1% | +$75.7K |
|
1880
CALL
CoinShares Bitcoin Mining and Digital Power ETF
WGMI
$252M
| $6.56M | ﹤0.01% |
104,000
-21,100
| -17% | -$1.2M |
|
1881
Antero Resources
AR
$12.1B
| $6.56M | ﹤0.01% |
186,598
+65,321
| +54% | +$2.41M |
|
1882
PUT
BHP
BHP
$230B
| $6.56M | ﹤0.01% |
78,700
-64,800
| -45% | -$5.38M |
|
|
GRMN
1883
CALL
Garmin
GRMN
$53.4B
| $6.56M | ﹤0.01% |
27,600
+4,600
| +20% | +$1.12M |
|
1884
PUT
Sysco
SYY
$38.4B
| $6.55M | ﹤0.01% |
78,400
-55,800
| -42% | -$4.22M |
|
|
VG
1885
CALL
Venture Global Inc
VG
$36.1B
| $6.54M | ﹤0.01% |
588,000
-217,200
| -27% | -$2.75M |
|
|
VSXY
1886
PUT
Victoria's Secret
VSXY
$6.03B
| $6.54M | ﹤0.01% |
78,300
+12,600
| +19% | +$755K |
|
1887
PUT
Crown Castle
CCI
$32.3B
| $6.54M | ﹤0.01% |
86,300
+8,700
| +11% | +$764K |
|
1888
CALL
Molson Coors Class B
TAP
$7.55B
| $6.53M | ﹤0.01% |
167,600
+77,700
| +86% | +$3.25M |
|
1889
PUT
Plains All American Pipeline
PAA
$18.1B
| $6.51M | ﹤0.01% |
292,600
-73,300
| -20% | -$1.63M |
|
1890
Regal Rexnord
RRX
$10.8B
| $6.5M | ﹤0.01% |
27,289
+16,494
| +153% | +$3.45M |
|
1891
CALL
Vanguard Total World Stock ETF
VT
$81.5B
| $6.5M | ﹤0.01% |
41,400
+19,700
| +91% | +$3.01M |
|
1892
Ingersoll Rand
IR
$29.6B
| $6.48M | ﹤0.01% |
+79,026
| New | +$6.11M |
|
1893
CALL
SSR Mining
SSRM
$7.58B
| $6.47M | ﹤0.01% |
228,900
+42,800
| +23% | +$1.3M |
|
1894
CALL
Quest Diagnostics
DGX
$26.2B
| $6.46M | ﹤0.01% |
30,500
+1,800
| +6% | +$353K |
|
1895
CALL
Stride
LRN
$3.52B
| $6.45M | ﹤0.01% |
74,800
-20,900
| -22% | -$1.92M |
|
1896
PUT
UBS Group
UBS
$170B
| $6.44M | ﹤0.01% |
130,000
-38,300
| -23% | -$1.74M |
|
|
FLG
1897
PUT
Flagstar Bank National Association
FLG
$5.61B
| $6.42M | ﹤0.01% |
429,600
+130,200
| +43% | +$1.85M |
|
1898
CALL
Tema Durable Quality ETF
TOLL
$58.3M
| $6.41M | ﹤0.01% |
+210,900
| New | +$8.05M |
|
1899
Zscaler
ZS
$27.7B
| $6.39M | ﹤0.01% |
45,275
-8,321
| -16% | -$1.16M |
|
1900
CALL
FormFactor
FORM
$8.12B
| $6.37M | ﹤0.01% |
39,800
+700
| +2% | +$92.9K |
|
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.