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 | |
|---|---|---|---|---|---|---|
|
RZLV
3801
PUT
Rezolve AI
RZLV
$921M
| $1.05M | ﹤0.01% |
333,900
+54,900
| +20% | +$144K |
|
|
FITB
3802
Fifth Third Bancorp
FITB
$49.8B
| $1.05M | ﹤0.01% |
+18,657
| New | +$946K |
|
3803
CALL
Pilgrim's Pride
PPC
$7.26B
| $1.05M | ﹤0.01% |
37,400
+24,200
| +183% | +$744K |
|
3804
PUT
Packaging Corp of America
PKG
$21.1B
| $1.05M | ﹤0.01% |
4,400
-700
| -14% | -$153K |
|
3805
PUT
Crane Co
CR
$11.8B
| $1.05M | ﹤0.01% |
4,700
+1,900
| +68% | +$358K |
|
3806
CALL
Alphatec Holdings
ATEC
$1.46B
| $1.05M | ﹤0.01% |
121,200
-4,600
| -4% | -$41.9K |
|
|
ETHD
3807
ProShares UltraShort Ether ETF
ETHD
$52.1M
| $1.05M | ﹤0.01% |
11,268
-15,365
| -58% | -$985K |
|
3808
Viking Therapeutics
VKTX
$4.07B
| $1.05M | ﹤0.01% |
26,811
-4,615
| -15% | -$149K |
|
3809
HDFC Bank
HDB
$119B
| $1.05M | ﹤0.01% |
40,470
-11,078
| -21% | -$278K |
|
3810
CALL
Melco Resorts & Entertainment
MLCO
$1.98B
| $1.05M | ﹤0.01% |
198,300
+18,400
| +10% | +$103K |
|
3811
AZZ Inc
AZZ
$4.21B
| $1.04M | ﹤0.01% |
+6,729
| New | +$957K |
|
3812
CALL
Gates Industrial Corp
GTES
$6.57B
| $1.04M | ﹤0.01% |
+37,300
| New | +$958K |
|
3813
CALL
ManpowerGroup
MAN
$2.88B
| $1.04M | ﹤0.01% |
30,800
+22,200
| +258% | +$680K |
|
3814
Conagra Brands
CAG
$7.43B
| $1.04M | ﹤0.01% |
77,267
-76,976
| -50% | -$1.07M |
|
3815
UL Solutions
ULS
$14.9B
| $1.04M | ﹤0.01% |
10,189
+6,672
| +190% | +$631K |
|
3816
Gabelli Equity Trust
GAB
$1.76B
| $1.04M | ﹤0.01% |
+183,328
| New | +$1.03M |
|
3817
CALL
ZIM Integrated Shipping Services
ZIM
$3.44B
| $1.04M | ﹤0.01% |
39,900
-59,500
| -60% | -$1.54M |
|
|
SOBO
3818
CALL
South Bow Corp
SOBO
$7.73B
| $1.04M | ﹤0.01% |
+29,400
| New | +$1.03M |
|
3819
Fidelity National Information Services
FIS
$21.6B
| $1.04M | ﹤0.01% |
+26,634
| New | +$1.15M |
|
3820
Target Hospitality
TH
$1.94B
| $1.03M | ﹤0.01% |
50,828
+39,248
| +339% | +$656K |
|
3821
CALL
Globant
GLOB
$1.69B
| $1.03M | ﹤0.01% |
35,700
+4,200
| +13% | +$168K |
|
3822
PUT
Boise Cascade
BCC
$2.76B
| $1.03M | ﹤0.01% |
13,300
+2,900
| +28% | +$215K |
|
3823
PUT
First Trust Capital Strength ETF
FTCS
$7.84B
| $1.03M | ﹤0.01% |
3,900
+3,000
| +333% | +$280K |
|
3824
CALL
Bio-Techne
TECH
$11.4B
| $1.03M | ﹤0.01% |
14,600
-14,400
| -50% | -$778K |
|
|
SVM
3825
PUT
Silvercorp Metals
SVM
$2.76B
| $1.03M | ﹤0.01% |
102,000
+39,000
| +62% | +$470K |
|
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.