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 | |
|---|---|---|---|---|---|---|
2176
CALL
Rush Street Interactive
RSI
$3.08B
| $4.58M | ﹤0.01% |
154,000
-38,200
| -20% | -$1.01M |
|
2177
ProShares Ultra Bloomberg Crude Oil
UCO
$449M
| $4.58M | ﹤0.01% |
+138,993
| New | +$5.97M |
|
2178
APA Corp
APA
$15B
| $4.58M | ﹤0.01% |
140,553
+46,049
| +49% | +$1.73M |
|
2179
PUT
Waters Corp
WAT
$40.2B
| $4.58M | ﹤0.01% |
12,200
-1,200
| -9% | -$409K |
|
2180
PUT
Dominion Energy
D
$57.9B
| $4.58M | ﹤0.01% |
67,000
-53,600
| -44% | -$3.49M |
|
2181
PUT
Hyatt Hotels
H
$15.6B
| $4.57M | ﹤0.01% |
23,600
+16,800
| +247% | +$2.94M |
|
2182
PUT
FirstEnergy
FE
$27.1B
| $4.57M | ﹤0.01% |
96,200
-31,200
| -24% | -$1.48M |
|
2183
Trip.com Group
TCOM
$25.8B
| $4.57M | ﹤0.01% |
114,730
-14,328
| -11% | -$710K |
|
2184
PUT
DHT Holdings
DHT
$3.36B
| $4.57M | ﹤0.01% |
276,500
+162,800
| +143% | +$2.91M |
|
2185
PUT
Cheesecake Factory
CAKE
$5.35B
| $4.57M | ﹤0.01% |
57,400
+11,400
| +25% | +$738K |
|
2186
PUT
WEX
WEX
$6.61B
| $4.56M | ﹤0.01% |
32,300
+11,900
| +58% | +$1.76M |
|
2187
CALL
Bath & Body Works
BBWI
$3.93B
| $4.55M | ﹤0.01% |
196,900
+5,500
| +3% | +$105K |
|
2188
PUT
Icon
ICLR
$12.7B
| $4.55M | ﹤0.01% |
26,200
+4,900
| +23% | +$624K |
|
2189
Scotiabank
BNS
$114B
| $4.55M | ﹤0.01% |
+52,374
| New | +$4.12M |
|
2190
PUT
Sony
SONY
$143B
| $4.55M | ﹤0.01% |
226,700
+15,000
| +7% | +$316K |
|
2191
PUT
Canadian Solar
CSIQ
$898M
| $4.54M | ﹤0.01% |
283,400
+113,500
| +67% | +$1.82M |
|
2192
CALL
Cincinnati Financial
CINF
$26.3B
| $4.54M | ﹤0.01% |
24,500
+13,400
| +121% | +$2.22M |
|
2193
PUT
Ramaco Resources Class A
METC
$837M
| $4.53M | ﹤0.01% |
342,600
+45,900
| +15% | +$669K |
|
2194
CALL
Plug Power
PLUG
$3.03B
| $4.53M | ﹤0.01% |
1,671,800
-91,400
| -5% | -$287K |
|
2195
CALL
SoundHound AI
SOUN
$2.99B
| $4.53M | ﹤0.01% |
699,900
-427,300
| -38% | -$3.31M |
|
|
FPS
2196
CALL
Forgent Power Solutions
FPS
$8.15B
| $4.52M | ﹤0.01% |
81,000
+41,000
| +103% | +$1.87M |
|
|
HPP
2197
CALL
Hudson Pacific Properties
HPP
$684M
| $4.52M | ﹤0.01% |
297,300
+270,100
| +993% | +$2.96M |
|
2198
SolarEdge
SEDG
$2.1B
| $4.52M | ﹤0.01% |
+77,273
| New | +$4.05M |
|
2199
Royal Bank of Canada
RY
$292B
| $4.51M | ﹤0.01% |
21,785
+12,474
| +134% | +$2.31M |
|
2200
PUT
Evercore
EVR
$11.5B
| $4.51M | ﹤0.01% |
13,200
-10,100
| -43% | -$3.46M |
|
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.