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 | |
|---|---|---|---|---|---|---|---|
751
PUT
Teradyne
TER
$52.6B
| $17.8M | 0.01% |
198,200
+103,300
| +109% | +$8.25M |
2024 Q1
5 quarters
|
|
752
CALL
Jabil
JBL
$29.7B
| $17.8M | 0.01% |
81,700
+15,900
| +24% | +$2.58M |
2023 Q2
8 quarters
|
|
753
PUT
FTAI Aviation
FTAI
$17.5B
| $17.7M | 0.01% |
153,700
-94,000
| -38% | -$10.5M |
2024 Q1
5 quarters
|
|
754
CALL
Nutanix
NTNX
$18B
| $17.6M | 0.01% |
229,800
+23,200
| +11% | +$1.67M |
2024 Q1
5 quarters
|
|
755
PUT
KKR & Co
KKR
$79.5B
| $17.5M | 0.01% |
131,300
+27,700
| +27% | +$3.24M |
2023 Q4
6 quarters
|
|
756
CALL
Caesars Entertainment
CZR
$5.93B
| $17.3M | 0.01% |
609,400
+220,500
| +57% | +$5.99M |
2021 Q2
16 quarters
|
|
757
CALL
Duke Energy
DUK
$93.9B
| $17.3M | 0.01% |
146,200
-40,700
| -22% | -$4.8M |
2022 Q3
11 quarters
|
|
758
FedEx
FDX
$70.5B
| $17.2M | 0.01% |
75,700
+43,603
| +136% | +$9.55M |
2024 Q4
2 quarters
|
|
759
CALL
Monolithic Power Systems
MPWR
$61B
| $17.2M | 0.01% |
23,500
-14,800
| -39% | -$9.43M |
2024 Q1
5 quarters
|
|
760
CALL
Transmedics
TMDX
$2.49B
| $17.2M | 0.01% |
128,100
+44,200
| +53% | +$4.85M |
2024 Q3
3 quarters
|
|
761
PUT
NuScale Power
SMR
$2.52B
| $17.1M | 0.01% |
433,500
+207,600
| +92% | +$5.21M |
2024 Q4
2 quarters
|
|
762
CALL
Flutter Entertainment
FLUT
$13.2B
| $17.1M | 0.01% |
60,000
-16,600
| -22% | -$4.07M |
2024 Q2
4 quarters
|
|
763
PUT
Zebra Technologies
ZBRA
$17.7B
| $17.1M | 0.01% |
+55,600
| New | +$15.1M |
2025 Q2
0 quarters
|
|
764
CALL
Simon Property Group
SPG
$66.6B
| $17.1M | 0.01% |
106,400
-4,700
| -4% | -$743K |
2020 Q2
20 quarters
|
|
765
CALL
Mobileye
MBLY
$6.26B
| $17.1M | 0.01% |
948,500
-77,200
| -8% | -$1.18M |
2023 Q3
7 quarters
|
|
766
CALL
Energy Transfer Partners
ET
$69B
| $17M | 0.01% |
940,200
-105,400
| -10% | -$1.84M |
2019 Q2
24 quarters
|
|
767
CALL
Invesco S&P SmallCap Low Volatility ETF
XSLV
$235M
| $17M | 0.01% |
332,100
+187,600
| +130% | +$8.45M |
2022 Q3
11 quarters
|
|
768
PUT
W.W. Grainger
GWW
$63.2B
| $17M | 0.01% |
16,300
-1,000
| -6% | -$1.04M |
2023 Q2
8 quarters
|
|
769
CALL
Medtronic
MDT
$122B
| $17M | 0.01% |
194,500
-55,300
| -22% | -$4.69M |
2022 Q3
11 quarters
|
|
770
PUT
iShares MSCI Australia ETF
EWA
$1.21B
| $16.9M | 0.01% |
484,300
+77,700
| +19% | +$1.94M |
2021 Q4
14 quarters
|
|
771
CALL
Northern Trust
NTRS
$30.6B
| $16.8M | 0.01% |
132,500
+106,600
| +412% | +$10.9M |
2023 Q4
6 quarters
|
|
772
PUT
Las Vegas Sands
LVS
$24.7B
| $16.8M | 0.01% |
385,900
+82,600
| +27% | +$3.21M |
2018 Q4
26 quarters
|
|
773
CALL
AerCap
AER
$23.2B
| $16.7M | 0.01% |
143,100
+62,100
| +77% | +$6.71M |
2023 Q3
7 quarters
|
|
774
PUT
Rubrik
RBRK
$23.2B
| $16.7M | 0.01% |
186,800
-10,000
| -5% | -$791K |
2024 Q2
4 quarters
|
|
|
775
CALL
Rubrik
RBRK
$23.2B
| $16.7M | 0.01% |
186,700
+400
| +0.2% | +$31.6K |
2024 Q2
4 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.