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 | |
|---|---|---|---|---|---|---|---|
926
CALL
Carrier Global
CARR
$45.3B
| $12.4M | 0.01% |
170,100
+32,800
| +24% | +$2.23M |
2023 Q3
7 quarters
|
|
927
CALL
Sunrun
RUN
$1.76B
| $12.4M | 0.01% |
1,519,400
+704,700
| +86% | +$5.54M |
2020 Q4
18 quarters
|
|
928
PUT
Tenet Healthcare
THC
$21.5B
| $12.4M | 0.01% |
70,400
+29,900
| +74% | +$4.5M |
2023 Q4
6 quarters
|
|
929
CALL
Southwest Airlines
LUV
$19.3B
| $12.4M | 0.01% |
381,800
-61,100
| -14% | -$1.84M |
2018 Q4
26 quarters
|
|
930
CALL
Antero Resources
AR
$11.9B
| $12.3M | 0.01% |
306,400
-169,500
| -36% | -$6.42M |
2022 Q4
10 quarters
|
|
931
PUT
BioNTech
BNTX
$22B
| $12.3M | 0.01% |
115,700
-30,400
| -21% | -$3.07M |
2020 Q4
18 quarters
|
|
932
PUT
Whirlpool
WHR
$1.82B
| $12.3M | 0.01% |
121,400
+11,100
| +10% | +$923K |
2019 Q2
24 quarters
|
|
933
PUT
Flowserve
FLS
$8.96B
| $12.3M | 0.01% |
+234,700
| New | +$11M |
2025 Q2
0 quarters
|
|
934
PUT
GE HealthCare
GEHC
$31.4B
| $12.3M | 0.01% |
165,800
+66,800
| +67% | +$4.65M |
2023 Q3
7 quarters
|
|
935
PUT
DexCom
DXCM
$32.5B
| $12.3M | 0.01% |
140,500
-63,600
| -31% | -$4.99M |
2022 Q4
10 quarters
|
|
936
PUT
Advance Auto Parts
AAP
$2.68B
| $12.2M | 0.01% |
263,400
+45,400
| +21% | +$1.82M |
2022 Q3
11 quarters
|
|
937
CALL
NetEase
NTES
$80.7B
| $12.2M | 0.01% |
90,500
-44,100
| -33% | -$5.07M |
2021 Q3
15 quarters
|
|
938
PUT
Travelers Companies
TRV
$81.2B
| $12.1M | 0.01% |
45,400
+1,300
| +3% | +$343K |
2023 Q4
6 quarters
|
|
939
PUT
CleanSpark
CLSK
$2.16B
| $12.1M | 0.01% |
1,101,200
-120,400
| -10% | -$1.07M |
2023 Q3
7 quarters
|
|
940
PUT
Snap
SNAP
$10.4B
| $12.1M | 0.01% |
1,394,400
-577,200
| -29% | -$4.79M |
2018 Q4
26 quarters
|
|
941
Moderna
MRNA
$87B
| $12.1M | 0.01% |
438,683
-53,574
| -11% | -$1.41M |
2025 Q1
1 quarter
|
|
942
PUT
D-Wave Quantum Inc
QBTS
$4.47B
| $12.1M | 0.01% |
826,600
-118,400
| -13% | -$1.39M |
2024 Q4
2 quarters
|
|
943
PUT
The Kraft Heinz Company
KHC
$28.1B
| $12M | 0.01% |
464,900
+54,700
| +13% | +$1.52M |
2018 Q4
26 quarters
|
|
944
PUT
Mobileye
MBLY
$6.14B
| $12M | 0.01% |
667,200
-47,200
| -7% | -$721K |
2023 Q3
7 quarters
|
|
945
CALL
Yum! Brands
YUM
$41.1B
| $11.9M | 0.01% |
80,500
+27,500
| +52% | +$4.02M |
2023 Q4
6 quarters
|
|
946
The Mosaic Company
MOS
$5.98B
| $11.9M | 0.01% |
+326,323
| New | +$10.5M |
2025 Q2
0 quarters
|
|
947
Astera Labs
ALAB
$49.6B
| $11.8M | 0.01% |
131,038
+25,147
| +24% | +$1.99M |
2024 Q4
2 quarters
|
|
948
CALL
HP
HPQ
$27.1B
| $11.8M | 0.01% |
483,200
+91,500
| +23% | +$2.33M |
2021 Q2
16 quarters
|
|
|
949
CALL
The Mosaic Company
MOS
$5.98B
| $11.8M | 0.01% |
323,300
+28,000
| +9% | +$897K |
2020 Q4
18 quarters
|
|
950
CALL
Dominion Energy
D
$55.9B
| $11.8M | 0.01% |
208,400
+105,500
| +103% | +$5.78M |
2023 Q3
7 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.