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 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
126
CALL
iShares Silver Trust
SLV
$32B
| $209M | 0.09% |
6,371,300
+336,100
| +6% | +$10.3M |
|
127
CALL
GE Vernova
GEV
$264B
| $206M | 0.09% |
388,700
+36,100
| +10% | +$15M |
|
128
PUT
Caterpillar
CAT
$385B
| $202M | 0.09% |
520,200
+79,100
| +18% | +$26.4M |
|
129
CALL
Qualcomm
QCOM
$170B
| $200M | 0.09% |
1,258,800
+252,700
| +25% | +$37.2M |
|
130
PUT
Citigroup
C
$227B
| $199M | 0.09% |
2,336,400
+44,600
| +2% | +$3.22M |
|
131
CALL
GE Aerospace
GE
$380B
| $198M | 0.09% |
768,800
+441,600
| +135% | +$96.9M |
|
132
CALL
Mercado Libre
MELI
$92.5B
| $194M | 0.09% |
74,200
+3,200
| +5% | +$7.47M |
|
133
CALL
Bank of America
BAC
$447B
| $192M | 0.09% |
4,063,300
+868,300
| +27% | +$36.5M |
|
134
PUT
Shopify
SHOP
$200B
| $191M | 0.08% |
1,656,000
+515,600
| +45% | +$51.6M |
|
135
CALL
IBM
IBM
$223B
| $187M | 0.08% |
635,600
+51,200
| +9% | +$13.2M |
|
136
PUT
Nike
NKE
$62.5B
| $185M | 0.08% |
2,599,900
+1,235,800
| +91% | +$74.2M |
|
|
137
PUT
Bank of America
BAC
$447B
| $182M | 0.08% |
3,855,500
+496,700
| +15% | +$20.9M |
|
|
138
CALL
Shopify
SHOP
$200B
| $181M | 0.08% |
1,566,900
+114,000
| +8% | +$11.4M |
|
139
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.22B
| $179M | 0.08% |
2,539,300
-210,200
| -8% | -$43.6M |
|
|
140
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.4B
| $179M | 0.08% |
+405,804
| New | +$168M |
|
141
CALL
Dell
DELL
$296B
| $177M | 0.08% |
1,443,700
+109,400
| +8% | +$11.2M |
|
142
CALL
McDonald's
MCD
$194B
| $177M | 0.08% |
605,600
+131,600
| +28% | +$40.6M |
|
143
CALL
Walmart Inc
WMT
$897B
| $177M | 0.08% |
1,808,400
-402,100
| -18% | -$38.3M |
|
|
144
PUT
Qualcomm
QCOM
$170B
| $177M | 0.08% |
1,110,200
+249,300
| +29% | +$36.7M |
|
145
PUT
Walt Disney
DIS
$178B
| $176M | 0.08% |
1,418,100
+384,200
| +37% | +$39.9M |
|
146
CALL
Applied Materials
AMAT
$415B
| $175M | 0.08% |
956,800
+167,400
| +21% | +$26.5M |
|
147
CALL
Mastercard
MA
$493B
| $174M | 0.08% |
309,300
+87,600
| +40% | +$48.4M |
|
|
CRWV
148
CALL
CoreWeave
CRWV
$48.1B
| $173M | 0.08% |
+1,063,800
| New | +$98.1M |
|
149
CALL
American Express
AXP
$229B
| $173M | 0.08% |
542,500
+94,700
| +21% | +$26.7M |
|
150
PUT
Deere & Co
DE
$164B
| $173M | 0.08% |
340,100
+5,700
| +2% | +$2.79M |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.