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 | |
|---|---|---|---|---|---|---|
1051
CALL
Aflac
AFL
$60.7B
| $9.23M | ﹤0.01% |
87,500
+14,200
| +19% | +$1.49M |
|
1052
PUT
SoundHound AI
SOUN
$3.32B
| $9.23M | ﹤0.01% |
859,900
-126,500
| -13% | -$1.19M |
|
1053
CALL
HSBC
HSBC
$358B
| $9.17M | ﹤0.01% |
150,900
+94,300
| +167% | +$5.37M |
|
1054
PUT
Teva Pharmaceuticals
TEVA
$42.6B
| $9.17M | ﹤0.01% |
547,200
+143,100
| +35% | +$2.31M |
|
1055
PUT
Cboe Global Markets
CBOE
$30.6B
| $9.17M | ﹤0.01% |
39,300
+2,600
| +7% | +$579K |
|
|
PPLT
1056
PUT
abrdn Physical Platinum Shares ETF
PPLT
$2B
| $9.13M | ﹤0.01% |
+743,000
| New | +$7.27M |
|
1057
CALL
United States Natural Gas Fund
UNG
$489M
| $9.11M | ﹤0.01% |
596,500
-98,100
| -14% | -$1.69M |
|
1058
Paychex
PAYX
$44.6B
| $9.11M | ﹤0.01% |
+62,601
| New | +$9.42M |
|
|
B
1059
PUT
Barrick Mining
B
$67.3B
| $9.09M | ﹤0.01% |
436,800
-104,000
| -19% | -$2.03M |
|
1060
CALL
Akamai
AKAM
$18B
| $9.06M | ﹤0.01% |
113,600
-72,900
| -39% | -$5.66M |
|
1061
PUT
Edwards Lifesciences
EW
$53.4B
| $9.05M | ﹤0.01% |
115,700
+16,500
| +17% | +$1.23M |
|
1062
CALL
BigBear.ai
BBAI
$1.6B
| $9.04M | ﹤0.01% |
1,331,400
+464,800
| +54% | +$1.68M |
|
|
PARA
1063
CALL
DELISTED
Paramount Global Class B
PARA
| $9.02M | ﹤0.01% |
699,100
+576,500
| +470% | +$6.75M |
|
1064
CALL
Boston Properties
BXP
$11B
| $9.01M | ﹤0.01% |
133,500
+24,000
| +22% | +$1.6M |
|
1065
CALL
Applied Digital
APLD
$8.81B
| $9M | ﹤0.01% |
893,500
+360,500
| +68% | +$2.66M |
|
1066
CALL
Toyota
TM
$223B
| $8.99M | ﹤0.01% |
52,200
+6,900
| +15% | +$1.25M |
|
1067
CALL
Canadian Natural Resources
CNQ
$98.1B
| $8.97M | ﹤0.01% |
285,800
+6,800
| +2% | +$206K |
|
1068
PUT
PENN Entertainment
PENN
$2.53B
| $8.95M | ﹤0.01% |
501,100
-222,100
| -31% | -$3.49M |
|
1069
PUT
Peloton Interactive
PTON
$2.44B
| $8.95M | ﹤0.01% |
1,289,000
+584,500
| +83% | +$3.8M |
|
1070
PUT
Entergy
ETR
$49.9B
| $8.94M | ﹤0.01% |
107,500
+68,600
| +176% | +$5.67M |
|
1071
PUT
Welltower
WELL
$169B
| $8.93M | ﹤0.01% |
58,100
-500
| -0.9% | -$74.7K |
|
1072
CALL
Teck Resources
TECK
$31.3B
| $8.9M | ﹤0.01% |
220,400
-107,100
| -33% | -$3.87M |
|
|
1073
PUT
Toyota
TM
$223B
| $8.89M | ﹤0.01% |
51,600
+9,100
| +21% | +$1.65M |
|
|
1074
PUT
United States Natural Gas Fund
UNG
$489M
| $8.87M | ﹤0.01% |
580,800
+130,900
| +29% | +$2.26M |
|
1075
CALL
-1x Short VIX Futures ETF
SVIX
$171M
| $8.85M | ﹤0.01% |
570,400
+188,000
| +49% | +$2.6M |
|
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.