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 | |
|---|---|---|---|---|---|---|---|
901
PUT
Kinder Morgan
KMI
$76.2B
| $12.9M | 0.01% |
439,300
-55,800
| -11% | -$1.53M |
2018 Q4
26 quarters
|
|
902
CALL
MGM Resorts International
MGM
$7.2B
| $12.9M | 0.01% |
374,500
-65,800
| -15% | -$2.09M |
2018 Q4
26 quarters
|
|
903
CALL
BILL Holdings
BILL
$3.89B
| $12.9M | 0.01% |
278,200
+39,400
| +16% | +$1.74M |
2022 Q4
10 quarters
|
|
904
PUT
Applied Digital
APLD
$5.46B
| $12.9M | 0.01% |
1,276,100
+797,600
| +167% | +$5.88M |
2024 Q1
5 quarters
|
|
905
CALL
Volatility Premium Plus ETF
ZVOL
$20.4M
| $12.8M | 0.01% |
227,000
-46,700
| -17% | -$620K |
2025 Q1
1 quarter
|
|
906
CALL
Tapestry
TPR
$23.8B
| $12.8M | 0.01% |
146,300
-32,500
| -18% | -$2.46M |
2023 Q4
6 quarters
|
|
907
CALL
Biogen
BIIB
$34.4B
| $12.8M | 0.01% |
102,000
+17,100
| +20% | +$2.13M |
2018 Q4
26 quarters
|
|
908
CALL
Peloton Interactive
PTON
$2.29B
| $12.8M | 0.01% |
1,841,600
+1,093,600
| +146% | +$7.1M |
2019 Q4
22 quarters
|
|
909
CALL
Fluor
FLR
$6.28B
| $12.7M | 0.01% |
247,900
+9,100
| +4% | +$363K |
2024 Q1
5 quarters
|
|
910
PUT
Shake Shack
SHAK
$2.83B
| $12.7M | 0.01% |
90,300
+11,500
| +15% | +$1.25M |
2018 Q4
26 quarters
|
|
911
CALL
Waste Management
WM
$90.7B
| $12.7M | 0.01% |
55,400
-19,300
| -26% | -$4.48M |
2022 Q4
10 quarters
|
|
912
PUT
Southwest Airlines
LUV
$19.3B
| $12.7M | 0.01% |
390,000
+27,300
| +8% | +$822K |
2018 Q4
26 quarters
|
|
913
PUT
Paycom
PAYC
$11.3B
| $12.6M | 0.01% |
54,500
+6,000
| +12% | +$1.42M |
2022 Q3
11 quarters
|
|
914
PUT
Nu Holdings
NU
$70.3B
| $12.6M | 0.01% |
918,400
+31,000
| +3% | +$371K |
2023 Q3
7 quarters
|
|
915
Caterpillar
CAT
$336B
| $12.6M | 0.01% |
+32,442
| New | +$10.8M |
2025 Q2
0 quarters
|
|
916
PUT
Global Payments
GPN
$22.1B
| $12.6M | 0.01% |
157,300
+65,700
| +72% | +$5.2M |
2024 Q1
5 quarters
|
|
917
CALL
Credit Acceptance
CACC
$5.62B
| $12.6M | 0.01% |
+24,700
| New | +$12.1M |
2025 Q2
0 quarters
|
|
918
PUT
American Tower
AMT
$86.3B
| $12.6M | 0.01% |
56,900
-2,500
| -4% | -$540K |
2018 Q4
26 quarters
|
|
919
CALL
Groupon
GRPN
$674M
| $12.6M | 0.01% |
375,900
+6,200
| +2% | +$158K |
2020 Q2
20 quarters
|
|
920
CALL
Alcoa
AA
$10.9B
| $12.6M | 0.01% |
425,600
+44,800
| +12% | +$1.21M |
2018 Q4
26 quarters
|
|
921
CALL
DELISTED
Semler Scientific
SMLR
| $12.6M | 0.01% |
324,000
+275,700
| +571% | +$9.83M |
2024 Q4
2 quarters
|
|
922
Direxion Dailly PLTR Bear 1X ETF
PLTD
$28.8M
| $12.5M | 0.01% |
1,336,197
+1,123,294
| +528% | +$13.3M |
2024 Q4
2 quarters
|
|
923
PUT
Kenvue
KVUE
$36.3B
| $12.5M | 0.01% |
596,400
+152,300
| +34% | +$3.46M |
2023 Q3
7 quarters
|
|
924
PUT
Fidelity National Information Services
FIS
$18.6B
| $12.5M | 0.01% |
153,100
+45,900
| +43% | +$3.57M |
2023 Q4
6 quarters
|
|
925
Danaher
DHR
$161B
| $12.5M | 0.01% |
63,066
-4,726
| -7% | -$916K |
2024 Q4
2 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.