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 | |
|---|---|---|---|---|---|---|
2751
PUT
ArcelorMittal
MT
$59.4B
| $2.61M | ﹤0.01% |
43,300
-6,400
| -13% | -$401K |
|
2752
CALL
Summit Therapeutics
SMMT
$14B
| $2.61M | ﹤0.01% |
178,800
+84,800
| +90% | +$1.5M |
|
2753
Vishay Precision Group
VPG
$839M
| $2.6M | ﹤0.01% |
+17,370
| New | +$1.61M |
|
2754
CALL
RingCentral
RNG
$6.13B
| $2.6M | ﹤0.01% |
66,700
-3,400
| -5% | -$137K |
|
2755
CALL
Vita Coco
COCO
$3.19B
| $2.6M | ﹤0.01% |
39,300
+11,600
| +42% | +$783K |
|
2756
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.47B
| $2.59M | ﹤0.01% |
37,766
+16,880
| +81% | +$1.13M |
|
|
AVS
2757
Direxion Daily AVGO Bear 1X ETF
AVS
$10.8M
| $2.59M | ﹤0.01% |
329,499
+285,890
| +656% | +$2.22M |
|
2758
Eos Energy Enterprises
EOSE
$1.41B
| $2.59M | ﹤0.01% |
440,514
-388,402
| -47% | -$2.7M |
|
2759
CALL
Nabors Industries
NBR
$1.38B
| $2.59M | ﹤0.01% |
30,800
+1,200
| +4% | +$112K |
|
|
HSAI
2760
CALL
Hesai Group
HSAI
$2.97B
| $2.58M | ﹤0.01% |
141,600
-4,800
| -3% | -$98.2K |
|
|
XIFR
2761
PUT
XPLR Infrastructure LP
XIFR
$1.14B
| $2.58M | ﹤0.01% |
218,200
+94,400
| +76% | +$1.06M |
|
|
CNH
2762
CALL
CNH Industrial
CNH
$23.2B
| $2.58M | ﹤0.01% |
229,300
-32,500
| -12% | -$346K |
|
2763
Peloton Interactive
PTON
$2.37B
| $2.57M | ﹤0.01% |
434,666
+35,913
| +9% | +$194K |
|
2764
CALL
AXIS Capital
AXS
$7.38B
| $2.57M | ﹤0.01% |
23,900
+2,600
| +12% | +$261K |
|
2765
CALL
Procore
PCOR
$8.81B
| $2.57M | ﹤0.01% |
63,200
+12,600
| +25% | +$623K |
|
|
SOLT
2766
PUT
2x Solana ETF
SOLT
$190M
| $2.57M | ﹤0.01% |
79,500
-26,900
| -25% | -$1.13M |
|
2767
PUT
TC Energy
TRP
$65.2B
| $2.57M | ﹤0.01% |
38,700
-10,600
| -22% | -$701K |
|
2768
Kinross Gold
KGC
$36.6B
| $2.56M | ﹤0.01% |
108,564
-62,965
| -37% | -$1.85M |
|
2769
Atlanta Braves Holdings Series B
BATRK
$3.24B
| $2.56M | ﹤0.01% |
49,400
+19,744
| +67% | +$969K |
|
2770
PUT
Magnite
MGNI
$3.46B
| $2.56M | ﹤0.01% |
134,800
+35,200
| +35% | +$504K |
|
2771
CALL
Hess Midstream
HESM
$5.12B
| $2.55M | ﹤0.01% |
67,900
+14,600
| +27% | +$561K |
|
|
DGXX
2772
PUT
Digi Power X Inc
DGXX
$380M
| $2.55M | ﹤0.01% |
468,000
+379,100
| +426% | +$2.07M |
|
2773
CALL
GigaCloud Technology
GCT
$1.85B
| $2.55M | ﹤0.01% |
80,700
+9,200
| +13% | +$363K |
|
2774
PUT
KBR
KBR
$4.64B
| $2.55M | ﹤0.01% |
73,800
+18,300
| +33% | +$638K |
|
2775
PUT
CACI
CACI
$13.8B
| $2.55M | ﹤0.01% |
5,500
+1,200
| +28% | +$613K |
|
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.