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 | |
|---|---|---|---|---|---|---|
1626
CALL
Canadian Imperial Bank of Commerce
CM
$107B
| $8.89M | ﹤0.01% |
77,300
+27,400
| +55% | +$3.01M |
|
1627
CALL
Sportradar
SRAD
$3.82B
| $8.88M | ﹤0.01% |
593,400
+402,000
| +210% | +$5.85M |
|
1628
CALL
Corcept Therapeutics
CORT
$12.1B
| $8.88M | ﹤0.01% |
102,100
+74,700
| +273% | +$4.51M |
|
1629
CALL
Clear Secure
YOU
$4.56B
| $8.86M | ﹤0.01% |
159,000
-207,700
| -57% | -$11.4M |
|
1630
CALL
Kraft Heinz
KHC
$29.5B
| $8.86M | ﹤0.01% |
375,100
-133,900
| -26% | -$3.09M |
|
1631
Clorox
CLX
$11.3B
| $8.85M | ﹤0.01% |
+92,773
| New | +$8.91M |
|
1632
CALL
Weatherford International
WFRD
$6.86B
| $8.85M | ﹤0.01% |
108,600
+71,300
| +191% | +$7.23M |
|
1633
PUT
Fluence Energy
FLNC
$1.48B
| $8.85M | ﹤0.01% |
445,200
+191,800
| +76% | +$3.57M |
|
1634
PUT
Hasbro
HAS
$13.1B
| $8.84M | ﹤0.01% |
107,000
+79,400
| +288% | +$7.15M |
|
1635
CALL
Amer Sports
AS
$17.2B
| $8.82M | ﹤0.01% |
260,700
+151,100
| +138% | +$5.29M |
|
1636
CALL
Public Storage
PSA
$55.6B
| $8.82M | ﹤0.01% |
27,700
-16,500
| -37% | -$5.05M |
|
1637
CALL
Conagra Brands
CAG
$7.43B
| $8.81M | ﹤0.01% |
654,800
+333,500
| +104% | +$4.66M |
|
1638
IQVIA
IQV
$44.1B
| $8.78M | ﹤0.01% |
+45,416
| New | +$7.92M |
|
1639
PUT
NetApp
NTAP
$36.5B
| $8.77M | ﹤0.01% |
56,700
+300
| +0.5% | +$39.2K |
|
1640
PUT
Advanced Energy
AEIS
$11.3B
| $8.76M | ﹤0.01% |
23,500
-14,800
| -39% | -$5.18M |
|
1641
KraneShares CSI China Internet ETF
KWEB
$5.14B
| $8.73M | ﹤0.01% |
+356,606
| New | +$9.87M |
|
1642
PUT
Galicia Financial Group
GGAL
$7.13B
| $8.73M | ﹤0.01% |
174,400
-57,400
| -25% | -$2.7M |
|
1643
CALL
Annaly Capital Management
NLY
$17.2B
| $8.72M | ﹤0.01% |
390,100
+28,100
| +8% | +$620K |
|
1644
Applovin
APP
$107B
| $8.72M | ﹤0.01% |
16,924
-19,468
| -53% | -$9.4M |
|
1645
CALL
Fluor
FLR
$7.51B
| $8.71M | ﹤0.01% |
166,200
-53,900
| -24% | -$2.64M |
|
1646
CALL
TG Therapeutics
TGTX
$8.57B
| $8.68M | ﹤0.01% |
157,900
+49,000
| +45% | +$2.01M |
|
1647
Planet Labs
PL
$6.59B
| $8.66M | ﹤0.01% |
261,350
+97,699
| +60% | +$3.61M |
|
1648
CALL
TransDigm Group
TDG
$64.2B
| $8.66M | ﹤0.01% |
6,500
-1,200
| -16% | -$1.47M |
|
1649
PUT
ATI
ATI
$28.7B
| $8.63M | ﹤0.01% |
43,800
+21,900
| +100% | +$3.71M |
|
1650
Cummins
CMI
$77.2B
| $8.61M | ﹤0.01% |
12,068
+2,442
| +25% | +$1.61M |
|
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.