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 | |
|---|---|---|---|---|---|---|
1426
CALL
Roper Technologies
ROP
$40.3B
| $11.7M | ﹤0.01% |
34,700
-10,300
| -23% | -$3.51M |
|
1427
CALL
Lattice Semiconductor
LSCC
$16.5B
| $11.7M | ﹤0.01% |
76,700
-18,500
| -19% | -$2.39M |
|
1428
PUT
Warrior Met Coal
HCC
$5.52B
| $11.7M | ﹤0.01% |
144,400
+123,500
| +591% | +$11.2M |
|
1429
PUT
Campbell Soup
CPB
$6.38B
| $11.7M | ﹤0.01% |
526,200
+49,100
| +10% | +$1.04M |
|
1430
PUT
Dutch Bros
BROS
$6.43B
| $11.7M | ﹤0.01% |
163,000
+2,200
| +1% | +$126K |
|
1431
Royal Gold
RGLD
$22.2B
| $11.7M | ﹤0.01% |
58,606
+35,966
| +159% | +$8.36M |
|
1432
PUT
BioNTech
BNTX
$26.1B
| $11.7M | ﹤0.01% |
125,700
-23,900
| -16% | -$2.25M |
|
1433
CALL
Monster Beverage
MNST
$85.8B
| $11.7M | ﹤0.01% |
243,000
-55,400
| -19% | -$2.33M |
|
1434
PUT
Calumet Specialty Products
CLMT
$4.67B
| $11.7M | ﹤0.01% |
324,000
+148,900
| +85% | +$5.01M |
|
1435
CALL
Canadian Pacific Kansas City
CP
$80.5B
| $11.7M | ﹤0.01% |
134,500
+5,700
| +4% | +$488K |
|
1436
CALL
Nutanix
NTNX
$18.4B
| $11.6M | ﹤0.01% |
228,600
+129,500
| +131% | +$5.85M |
|
1437
CALL
Cracker Barrel
CBRL
$1.22B
| $11.6M | ﹤0.01% |
218,500
+22,400
| +11% | +$776K |
|
|
ABVX
1438
Abivax
ABVX
$10B
| $11.6M | ﹤0.01% |
87,392
-18,751
| -18% | -$2.12M |
|
1439
CALL
Zillow
Z
$7.78B
| $11.6M | ﹤0.01% |
369,100
-44,700
| -11% | -$1.72M |
|
1440
PUT
AngloGold Ashanti
AU
$55.2B
| $11.6M | ﹤0.01% |
143,600
-83,300
| -37% | -$7.91M |
|
1441
CALL
Cenovus Energy
CVE
$59.7B
| $11.6M | ﹤0.01% |
467,400
-152,000
| -25% | -$4.2M |
|
1442
CALL
Plains All American Pipeline
PAA
$18.1B
| $11.6M | ﹤0.01% |
520,200
-241,600
| -32% | -$5.37M |
|
1443
CALL
Ralph Lauren
RL
$20.9B
| $11.6M | ﹤0.01% |
28,800
+14,800
| +106% | +$5.51M |
|
1444
Wheaton Precious Metals
WPM
$70.4B
| $11.6M | ﹤0.01% |
102,889
+70,163
| +214% | +$9.13M |
|
1445
ON Semiconductor
ON
$29B
| $11.6M | ﹤0.01% |
+122,238
| New | +$12.5M |
|
1446
CALL
Arthur J. Gallagher & Co
AJG
$67.3B
| $11.5M | ﹤0.01% |
50,300
+14,300
| +40% | +$3.04M |
|
1447
PUT
Iron Mountain
IRM
$34.8B
| $11.5M | ﹤0.01% |
91,400
+26,800
| +41% | +$3.29M |
|
|
SA
1448
CALL
Seabridge Gold
SA
$3.43B
| $11.5M | ﹤0.01% |
445,200
+82,300
| +23% | +$2.48M |
|
1449
CALL
Alnylam Pharmaceuticals
ALNY
$35.6B
| $11.4M | ﹤0.01% |
38,000
+7,400
| +24% | +$2.23M |
|
1450
Cigna
CI
$74.7B
| $11.4M | ﹤0.01% |
41,464
-51,068
| -55% | -$14.4M |
|
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.