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 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
126
CALL
iShares Silver Trust
SLV
$29.5B
| $209M | 0.09% |
6,371,300
+336,100
| +6% | +$10.3M |
2018 Q4
26 quarters
|
|
127
CALL
GE Vernova
GEV
$268B
| $206M | 0.09% |
388,700
+36,100
| +10% | +$15M |
2024 Q2
4 quarters
|
|
128
PUT
Caterpillar
CAT
$368B
| $202M | 0.09% |
520,200
+79,100
| +18% | +$26.4M |
2018 Q4
26 quarters
|
|
129
CALL
Qualcomm
QCOM
$187B
| $200M | 0.09% |
1,258,800
+252,700
| +25% | +$37.2M |
2018 Q4
26 quarters
|
|
130
PUT
Citigroup
C
$217B
| $199M | 0.09% |
2,336,400
+44,600
| +2% | +$3.22M |
2018 Q4
26 quarters
|
|
131
CALL
GE Aerospace
GE
$320B
| $198M | 0.09% |
768,800
+441,600
| +135% | +$96.9M |
2022 Q2
12 quarters
|
|
132
CALL
Mercado Libre
MELI
$95.8B
| $194M | 0.09% |
74,200
+3,200
| +5% | +$7.47M |
2021 Q3
15 quarters
|
|
133
CALL
Bank of America
BAC
$380B
| $192M | 0.09% |
4,063,300
+868,300
| +27% | +$36.5M |
2018 Q4
26 quarters
|
|
134
PUT
Shopify
SHOP
$220B
| $191M | 0.08% |
1,656,000
+515,600
| +45% | +$51.6M |
2019 Q3
23 quarters
|
|
135
CALL
IBM
IBM
$214B
| $187M | 0.08% |
635,600
+51,200
| +9% | +$13.2M |
2022 Q1
13 quarters
|
|
136
PUT
Nike
NKE
$51.6B
| $185M | 0.08% |
2,599,900
+1,235,800
| +91% | +$74.2M |
2018 Q4
26 quarters
|
|
|
137
PUT
Bank of America
BAC
$380B
| $182M | 0.08% |
3,855,500
+496,700
| +15% | +$20.9M |
2018 Q4
26 quarters
|
|
|
138
CALL
Shopify
SHOP
$220B
| $181M | 0.08% |
1,566,900
+114,000
| +8% | +$11.4M |
2019 Q3
23 quarters
|
|
139
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.11B
| $179M | 0.08% |
2,539,300
-210,200
| -8% | -$43.6M |
2021 Q4
14 quarters
|
|
|
140
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$44.4B
| $179M | 0.08% |
+405,804
| New | +$168M |
2025 Q2
0 quarters
|
|
141
CALL
Dell
DELL
$373B
| $177M | 0.08% |
1,443,700
+109,400
| +8% | +$11.2M |
2020 Q1
21 quarters
|
|
142
CALL
McDonald's
MCD
$166B
| $177M | 0.08% |
605,600
+131,600
| +28% | +$40.6M |
2018 Q4
26 quarters
|
|
143
CALL
Walmart Inc
WMT
$883B
| $177M | 0.08% |
1,808,400
-402,100
| -18% | -$38.3M |
2018 Q4
26 quarters
|
|
|
144
PUT
Qualcomm
QCOM
$187B
| $177M | 0.08% |
1,110,200
+249,300
| +29% | +$36.7M |
2018 Q4
26 quarters
|
|
145
PUT
Walt Disney
DIS
$187B
| $176M | 0.08% |
1,418,100
+384,200
| +37% | +$39.9M |
2018 Q4
26 quarters
|
|
146
CALL
Applied Materials
AMAT
$402B
| $175M | 0.08% |
956,800
+167,400
| +21% | +$26.5M |
2018 Q4
26 quarters
|
|
147
CALL
Mastercard
MA
$516B
| $174M | 0.08% |
309,300
+87,600
| +40% | +$48.4M |
2018 Q4
26 quarters
|
|
|
CRWV
148
CALL
CoreWeave
CRWV
$45.3B
| $173M | 0.08% |
+1,063,800
| New | +$98.1M |
2025 Q2
0 quarters
|
|
149
CALL
American Express
AXP
$208B
| $173M | 0.08% |
542,500
+94,700
| +21% | +$26.7M |
2018 Q4
26 quarters
|
|
150
PUT
Deere & Co
DE
$167B
| $173M | 0.08% |
340,100
+5,700
| +2% | +$2.79M |
2018 Q4
26 quarters
|
|
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's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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.