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 | |
|---|---|---|---|---|---|---|---|
576
PUT
HCA Healthcare
HCA
$101B
| $27M | 0.01% |
70,400
+20,100
| +40% | +$7.24M |
2022 Q3
11 quarters
|
|
577
PUT
Automatic Data Processing
ADP
$113B
| $26.9M | 0.01% |
87,200
-9,900
| -10% | -$3.04M |
2022 Q1
13 quarters
|
|
578
CALL
Coupang
CPNG
$26.6B
| $26.9M | 0.01% |
897,400
+313,600
| +54% | +$8.03M |
2021 Q2
16 quarters
|
|
579
PUT
Chewy
CHWY
$8.57B
| $26.8M | 0.01% |
627,700
-29,100
| -4% | -$1.16M |
2020 Q1
21 quarters
|
|
580
PUT
Nucor
NUE
$57.8B
| $26.7M | 0.01% |
206,400
-77,800
| -27% | -$9.09M |
2021 Q2
16 quarters
|
|
581
CALL
Progressive
PGR
$124B
| $26.7M | 0.01% |
100,100
+1,800
| +2% | +$493K |
2023 Q4
6 quarters
|
|
582
CALL
Trump Media & Technology Group
DJT
$2.06B
| $26.7M | 0.01% |
1,479,600
+507,100
| +52% | +$11M |
2022 Q2
12 quarters
|
|
583
PUT
American Airlines Group
AAL
$8.13B
| $26.7M | 0.01% |
2,377,800
+108,600
| +5% | +$1.16M |
2018 Q4
26 quarters
|
|
584
CALL
Invesco Aerospace & Defense ETF
PPA
$7.56B
| $26.6M | 0.01% |
155,600
-30,600
| -16% | -$3.88M |
2023 Q3
7 quarters
|
|
585
CALL
Expedia Group
EXPE
$35B
| $26.6M | 0.01% |
157,400
-33,200
| -17% | -$5.39M |
2018 Q4
26 quarters
|
|
586
PUT
Bristol-Myers Squibb
BMY
$124B
| $26.5M | 0.01% |
572,500
+127,500
| +29% | +$6.26M |
2018 Q4
26 quarters
|
|
587
CALL
Stryker
SYK
$112B
| $26.4M | 0.01% |
66,700
+9,800
| +17% | +$3.67M |
2022 Q4
10 quarters
|
|
588
PUT
Generac Holdings
GNRC
$11.7B
| $26.4M | 0.01% |
184,000
+79,100
| +75% | +$9.65M |
2022 Q4
10 quarters
|
|
589
PUT
Antero Resources
AR
$11.2B
| $26.1M | 0.01% |
648,400
+407,100
| +169% | +$15.4M |
2022 Q4
10 quarters
|
|
590
CALL
Deckers Outdoor
DECK
$11.8B
| $26M | 0.01% |
252,300
-5,200
| -2% | -$576K |
2023 Q4
6 quarters
|
|
|
591
CALL
Generac Holdings
GNRC
$11.7B
| $26M | 0.01% |
181,300
+43,500
| +32% | +$5.31M |
2022 Q4
10 quarters
|
|
592
CALL
Hewlett Packard
HPE
$77.8B
| $25.8M | 0.01% |
1,261,500
+431,700
| +52% | +$7.24M |
2023 Q3
7 quarters
|
|
593
CALL
iShares MSCI Australia ETF
EWA
$1.2B
| $25.7M | 0.01% |
651,800
+92,500
| +17% | +$2.31M |
2021 Q4
14 quarters
|
|
594
PUT
On Holding
ONON
$11.8B
| $25.7M | 0.01% |
493,200
+94,800
| +24% | +$4.83M |
2023 Q3
7 quarters
|
|
595
CALL
Las Vegas Sands
LVS
$24.8B
| $25.7M | 0.01% |
589,900
+4,600
| +0.8% | +$179K |
2018 Q4
26 quarters
|
|
596
PUT
Gilead Sciences
GILD
$195B
| $25.7M | 0.01% |
231,500
+6,600
| +3% | +$702K |
2018 Q4
26 quarters
|
|
597
CALL
Cheniere Energy
LNG
$57.7B
| $25.6M | 0.01% |
105,100
+12,000
| +13% | +$2.78M |
2022 Q3
11 quarters
|
|
598
CALL
Mondelez International
MDLZ
$80.4B
| $25.6M | 0.01% |
379,500
+51,100
| +16% | +$3.41M |
2022 Q1
13 quarters
|
|
599
CALL
Comcast
CMCSA
$77.3B
| $25.6M | 0.01% |
716,600
+154,700
| +28% | +$5.35M |
2018 Q4
26 quarters
|
|
600
Fidelity Wise Origin Bitcoin Fund
FBTC
$15.3B
| $25.5M | 0.01% |
+271,720
| New | +$23.4M |
2025 Q2
0 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.