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 | |
|---|---|---|---|---|---|---|
5676
CALL
Grand Canyon Education
LOPE
$3.98B
| $200K | ﹤0.01% |
1,400
-1,800
| -56% | -$286K |
|
5677
PUT
Global Partners
GLP
$1.78B
| $200K | ﹤0.01% |
+4,300
| New | +$203K |
|
5678
Alkami Technology
ALKT
$2.11B
| $200K | ﹤0.01% |
+11,056
| New | +$183K |
|
5679
CALL
Envista
NVST
$4.38B
| $200K | ﹤0.01% |
7,600
-10,500
| -58% | -$265K |
|
5680
PUT
Solid Power
SLDP
$575M
| $200K | ﹤0.01% |
77,200
+20,000
| +35% | +$61.7K |
|
5681
CALL
Amplify Energy
AMPY
$203M
| $199K | ﹤0.01% |
50,100
-2,000
| -4% | -$10.3K |
|
5682
PUT
Oaktree Specialty Lending
OCSL
$1.15B
| $199K | ﹤0.01% |
16,700
-9,500
| -36% | -$115K |
|
|
PEW
5683
PUT
GrabAGun Digital Holdings
PEW
$69.4M
| $199K | ﹤0.01% |
87,200
-26,100
| -23% | -$72.4K |
|
5684
Babcock & Wilcox
BW
$1.06B
| $198K | ﹤0.01% |
+14,076
| New | +$239K |
|
5685
PUT
Wolverine World Wide
WWW
$1.7B
| $198K | ﹤0.01% |
+12,000
| New | +$203K |
|
5686
CALL
inTEST
INTT
$143M
| $198K | ﹤0.01% |
10,900
+700
| +7% | +$11.8K |
|
5687
CALL
Community Health Systems
CYH
$408M
| $198K | ﹤0.01% |
59,200
-600
| -1% | -$1.77K |
|
|
IREG
5688
PUT
Leverage Shares 2X Long IREN Daily ETF
IREG
$25.3M
| $197K | ﹤0.01% |
+18,100
| New | +$356K |
|
5689
CALL
Arhaus
ARHS
$1.24B
| $196K | ﹤0.01% |
23,300
+500
| +2% | +$3.47K |
|
|
FSOL
5690
CALL
Fidelity Solana Fund
FSOL
$133M
| $196K | ﹤0.01% |
+22,600
| New | +$215K |
|
5691
PUT
Cellebrite
CLBT
$2.88B
| $196K | ﹤0.01% |
13,400
+3,400
| +34% | +$44.9K |
|
5692
NovoCure
NVCR
$2.09B
| $194K | ﹤0.01% |
12,833
-17,859
| -58% | -$270K |
|
|
NKLR
5693
CALL
Terra Innovatum Global N.V.
NKLR
$582M
| $194K | ﹤0.01% |
39,400
-24,900
| -39% | -$141K |
|
5694
CALL
Sprinklr
CXM
$1.37B
| $194K | ﹤0.01% |
37,500
-1,700
| -4% | -$9.04K |
|
5695
Inseego
INSG
$69.6M
| $193K | ﹤0.01% |
18,699
+6,168
| +49% | +$82.6K |
|
5696
CALL
Funko
FNKO
$318M
| $193K | ﹤0.01% |
32,800
-5,300
| -14% | -$25.5K |
|
5697
CALL
Xponential Fitness
XPOF
$207M
| $192K | ﹤0.01% |
+27,800
| New | +$176K |
|
|
ELVA
5698
CALL
Electrovaya
ELVA
$342M
| $192K | ﹤0.01% |
+18,300
| New | +$181K |
|
5699
CALL
Utz Brands
UTZ
$1.26B
| $192K | ﹤0.01% |
24,900
+14,600
| +142% | +$109K |
|
5700
Nomad Foods
NOMD
$1.63B
| $192K | ﹤0.01% |
17,500
+709
| +4% | +$7.05K |
|
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.