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 |
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 | |
|---|---|---|---|---|---|---|---|
651
CALL
Return Stacked Bonds & Managed Futures ETF
RSBT
$164M
| $22.1M | 0.01% |
554,800
+37,800
| +7% | +$600K |
2024 Q4
2 quarters
|
|
652
CALL
Fidelity National Information Services
FIS
$18.6B
| $22.1M | 0.01% |
271,900
+17,700
| +7% | +$1.38M |
2023 Q4
6 quarters
|
|
653
CALL
Oneok
OKE
$57.1B
| $22M | 0.01% |
269,900
-43,100
| -14% | -$3.59M |
2024 Q1
5 quarters
|
|
654
Vertiv
VRT
$82.7B
| $22M | 0.01% |
171,404
+47,555
| +38% | +$4.62M |
2024 Q4
2 quarters
|
|
655
PUT
D.R. Horton
DHI
$39B
| $22M | 0.01% |
170,600
+39,800
| +30% | +$4.9M |
2020 Q1
21 quarters
|
|
656
PUT
Iris Energy
IREN
$12B
| $22M | 0.01% |
1,508,200
+433,900
| +40% | +$3.52M |
2024 Q1
5 quarters
|
|
657
CALL
Automatic Data Processing
ADP
$113B
| $21.9M | 0.01% |
70,900
+15,900
| +29% | +$4.88M |
2022 Q1
13 quarters
|
|
658
PUT
O'Reilly Automotive
ORLY
$71.6B
| $21.9M | 0.01% |
+242,500
| New | +$22.1M |
2025 Q2
0 quarters
|
|
659
CALL
C3.ai
AI
$1.96B
| $21.8M | 0.01% |
888,300
+189,400
| +27% | +$4.33M |
2020 Q4
18 quarters
|
|
660
CALL
Equinix
EQIX
$98.3B
| $21.8M | 0.01% |
27,400
+6,700
| +32% | +$5.68M |
2023 Q4
6 quarters
|
|
661
PUT
Monolithic Power Systems
MPWR
$61.4B
| $21.8M | 0.01% |
29,800
-700
| -2% | -$446K |
2024 Q1
5 quarters
|
|
662
CALL
Toast
TOST
$18.6B
| $21.8M | 0.01% |
491,800
+213,600
| +77% | +$8.39M |
2022 Q3
11 quarters
|
|
663
CALL
TKO Group
TKO
$12.9B
| $21.8M | 0.01% |
119,700
-77,900
| -39% | -$12.5M |
2023 Q3
7 quarters
|
|
664
PUT
Jabil
JBL
$30.1B
| $21.7M | 0.01% |
99,700
+71,300
| +251% | +$11.6M |
2023 Q2
8 quarters
|
|
665
PUT
Celsius Holdings
CELH
$7.13B
| $21.6M | 0.01% |
465,300
-111,100
| -19% | -$4.28M |
2023 Q4
6 quarters
|
|
666
CALL
PNC Financial Services
PNC
$85.7B
| $21.5M | 0.01% |
115,400
+32,000
| +38% | +$5.42M |
2018 Q4
26 quarters
|
|
667
CALL
Halliburton
HAL
$27.4B
| $21.5M | 0.01% |
1,055,100
+338,300
| +47% | +$7.1M |
2018 Q4
26 quarters
|
|
668
CALL
US Bancorp Series B Preferred Stock
USB.PRH
$722M
| $21.5M | 0.01% |
474,900
-4,000
| -0.8% | -$83.5K |
2021 Q4
14 quarters
|
|
669
CALL
Shake Shack
SHAK
$2.85B
| $21.4M | 0.01% |
152,300
+66,000
| +76% | +$7.19M |
2018 Q4
26 quarters
|
|
670
McDonald's
MCD
$172B
| $21.2M | 0.01% |
+72,637
| New | +$22.4M |
2025 Q2
0 quarters
|
|
671
DoorDash
DASH
$83.6B
| $21.2M | 0.01% |
+85,963
| New | +$17.2M |
2025 Q2
0 quarters
|
|
672
CALL
Snap
SNAP
$10.9B
| $21.2M | 0.01% |
2,437,900
+99,900
| +4% | +$829K |
2018 Q4
26 quarters
|
|
673
CALL
American Conservative Values ETF
ACVF
$155M
| $21.2M | 0.01% |
2,134,700
-481,200
| -18% | -$21.1M |
2024 Q3
3 quarters
|
|
674
CALL
Domino's
DPZ
$9.97B
| $21.1M | 0.01% |
46,900
-15,300
| -25% | -$7.18M |
2020 Q4
18 quarters
|
|
675
PUT
CME Group
CME
$104B
| $21.1M | 0.01% |
76,600
+25,800
| +51% | +$7.02M |
2022 Q3
11 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.