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 | |
|---|---|---|---|---|---|---|
1676
CALL
Transocean
RIG
$6.53B
| $8.32M | ﹤0.01% |
1,701,800
-320,900
| -16% | -$2.01M |
|
1677
PUT
JB Hunt Transport Services
JBHT
$25.7B
| $8.31M | ﹤0.01% |
28,700
-12,900
| -31% | -$3.31M |
|
1678
CALL
dLocal
DLO
$4.57B
| $8.31M | ﹤0.01% |
639,200
+340,100
| +114% | +$4.31M |
|
1679
Viasat
VSAT
$10.4B
| $8.3M | ﹤0.01% |
92,470
+83,072
| +884% | +$5.5M |
|
|
BMNR
1680
BitMine Immersion Technologies
BMNR
$15.1B
| $8.3M | ﹤0.01% |
623,648
-1,383,546
| -69% | -$26.7M |
|
1681
PUT
Fox Class A
FOXA
$27.5B
| $8.3M | ﹤0.01% |
159,100
+82,900
| +109% | +$5.12M |
|
1682
CALL
Compass Diversified
CODI
$878M
| $8.3M | ﹤0.01% |
778,200
+563,500
| +262% | +$6.15M |
|
1683
PUT
Conagra Brands
CAG
$7.43B
| $8.29M | ﹤0.01% |
616,200
+66,700
| +12% | +$931K |
|
1684
PUT
DuPont de Nemours
DD
$17.8B
| $8.29M | ﹤0.01% |
61,100
+36,800
| +151% | +$5.23M |
|
1685
CALL
InterDigital
IDCC
$8.72B
| $8.27M | ﹤0.01% |
29,200
-8,000
| -22% | -$2.38M |
|
|
1686
PUT
InterDigital
IDCC
$8.72B
| $8.27M | ﹤0.01% |
29,200
-4,900
| -14% | -$1.46M |
|
1687
PUT
Alnylam Pharmaceuticals
ALNY
$35.6B
| $8.25M | ﹤0.01% |
27,400
+9,300
| +51% | +$2.8M |
|
|
GAP
1688
PUT
The Gap Inc
GAP
$7.88B
| $8.24M | ﹤0.01% |
441,300
+185,600
| +73% | +$4.28M |
|
1689
CoreCivic
CXW
$3.43B
| $8.23M | ﹤0.01% |
270,885
+239,409
| +761% | +$5.43M |
|
1690
PUT
BJs Wholesale Club
BJ
$11.8B
| $8.22M | ﹤0.01% |
94,300
+27,900
| +42% | +$2.55M |
|
1691
AT&T
T
$176B
| $8.22M | ﹤0.01% |
+396,869
| New | +$9.85M |
|
1692
PUT
MPLX
MPLX
$60.5B
| $8.2M | ﹤0.01% |
145,600
+43,700
| +43% | +$2.44M |
|
1693
PUT
HF Sinclair
DINO
$18.7B
| $8.2M | ﹤0.01% |
117,700
-10,000
| -8% | -$665K |
|
1694
CALL
Viking Holdings
VIK
$38.3B
| $8.2M | ﹤0.01% |
78,300
-2,200
| -3% | -$190K |
|
1695
PUT
Ralph Lauren
RL
$20.9B
| $8.19M | ﹤0.01% |
20,400
-17,800
| -47% | -$6.63M |
|
1696
Boston Scientific
BSX
$69.3B
| $8.18M | ﹤0.01% |
191,591
-328,844
| -63% | -$17.9M |
|
1697
CALL
Return Stacked Bonds & Managed Futures ETF
RSBT
$150M
| $8.17M | ﹤0.01% |
117,700
+28,600
| +32% | +$550K |
|
|
VOYG
1698
PUT
Voyager Technologies
VOYG
$2.07B
| $8.17M | ﹤0.01% |
253,200
+170,400
| +206% | +$5.9M |
|
1699
CALL
Redwire
RDW
$2.63B
| $8.14M | ﹤0.01% |
665,600
+13,800
| +2% | +$182K |
|
1700
Insmed
INSM
$27.6B
| $8.12M | ﹤0.01% |
76,126
+71,654
| +1,602% | +$8.68M |
|
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.