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 | |
|---|---|---|---|---|---|---|
1601
CALL
Martin Marietta Materials
MLM
$36.6B
| $9.17M | ﹤0.01% |
15,900
-5,900
| -27% | -$3.5M |
|
1602
PUT
TotalEnergies
TTE
$196B
| $9.17M | ﹤0.01% |
117,900
-38,800
| -25% | -$3.43M |
|
1603
PUT
Transmedics
TMDX
$3.12B
| $9.16M | ﹤0.01% |
137,900
+61,600
| +81% | +$5.21M |
|
1604
CALL
Tyson Foods
TSN
$18.1B
| $9.15M | ﹤0.01% |
159,900
+75,000
| +88% | +$4.69M |
|
1605
AutoZone
AZO
$48.7B
| $9.15M | ﹤0.01% |
2,862
-431
| -13% | -$1.43M |
|
1606
Lattice Semiconductor
LSCC
$16.5B
| $9.14M | ﹤0.01% |
+59,759
| New | +$7.71M |
|
1607
3M
MMM
$86.9B
| $9.12M | ﹤0.01% |
56,352
+22,093
| +64% | +$3.35M |
|
1608
CALL
Mobileye
MBLY
$7.28B
| $9.11M | ﹤0.01% |
941,600
+430,200
| +84% | +$3.83M |
|
|
SGI
1609
Somnigroup International
SGI
$14.7B
| $9.1M | ﹤0.01% |
+116,116
| New | +$8.51M |
|
1610
CALL
Novartis
NVS
$304B
| $9.09M | ﹤0.01% |
58,000
-10,600
| -15% | -$1.59M |
|
1611
CALL
VeriSign
VRSN
$26.4B
| $9.08M | ﹤0.01% |
36,100
+21,000
| +139% | +$5.83M |
|
1612
CALL
Eldorado Gold
EGO
$11.2B
| $9.05M | ﹤0.01% |
291,000
+32,600
| +13% | +$1.06M |
|
1613
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$4.23B
| $9.04M | ﹤0.01% |
+303,098
| New | +$9.93M |
|
1614
CALL
XPO
XPO
$22.6B
| $9.01M | ﹤0.01% |
43,900
-9,900
| -18% | -$2.09M |
|
|
PSKY
1615
CALL
Paramount Skydance Corp
PSKY
$12.2B
| $9.01M | ﹤0.01% |
913,800
+334,400
| +58% | +$3.52M |
|
|
FITB
1616
PUT
Fifth Third Bancorp
FITB
$49.8B
| $9.01M | ﹤0.01% |
159,800
+77,600
| +94% | +$3.93M |
|
1617
CALL
Cencora
COR
$63.2B
| $9M | ﹤0.01% |
31,800
+2,200
| +7% | +$634K |
|
1618
PUT
Kraft Heinz
KHC
$29.5B
| $8.97M | ﹤0.01% |
379,700
-52,800
| -12% | -$1.22M |
|
1619
CALL
SL Green Realty
SLG
$3.94B
| $8.97M | ﹤0.01% |
173,200
+39,700
| +30% | +$1.77M |
|
1620
CALL
United States Copper Index Fund
CPER
$747M
| $8.96M | ﹤0.01% |
237,600
-31,700
| -12% | -$1.19M |
|
1621
PUT
T. Rowe Price
TROW
$23.4B
| $8.96M | ﹤0.01% |
78,800
-10,400
| -12% | -$1.06M |
|
1622
CALL
Range Resources
RRC
$9.81B
| $8.94M | ﹤0.01% |
240,400
-69,200
| -22% | -$2.81M |
|
1623
PUT
American Conservative Values ETF
ACVF
$155M
| $8.94M | ﹤0.01% |
649,900
+107,200
| +20% | +$5.6M |
|
1624
NuScale Power
SMR
$3.98B
| $8.92M | ﹤0.01% |
+889,373
| New | +$10M |
|
1625
CALL
Ovintiv
OVV
$17.9B
| $8.9M | ﹤0.01% |
169,100
+8,400
| +5% | +$480K |
|
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.