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 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
576
PUT
HCA Healthcare
HCA
$89.1B
| $27M | 0.01% |
70,400
+20,100
| +40% | +$7.24M |
|
577
PUT
Automatic Data Processing
ADP
$108B
| $26.9M | 0.01% |
87,200
-9,900
| -10% | -$3.04M |
|
578
CALL
Coupang
CPNG
$29.7B
| $26.9M | 0.01% |
897,400
+313,600
| +54% | +$8.03M |
|
579
PUT
Chewy
CHWY
$9.2B
| $26.8M | 0.01% |
627,700
-29,100
| -4% | -$1.16M |
|
580
PUT
Nucor
NUE
$61.9B
| $26.7M | 0.01% |
206,400
-77,800
| -27% | -$9.09M |
|
581
CALL
Progressive
PGR
$123B
| $26.7M | 0.01% |
100,100
+1,800
| +2% | +$493K |
|
582
CALL
Trump Media & Technology Group
DJT
$2.47B
| $26.7M | 0.01% |
1,479,600
+507,100
| +52% | +$11M |
|
583
PUT
American Airlines Group
AAL
$10.1B
| $26.7M | 0.01% |
2,377,800
+108,600
| +5% | +$1.16M |
|
584
CALL
Invesco Aerospace & Defense ETF
PPA
$8.72B
| $26.6M | 0.01% |
155,600
-30,600
| -16% | -$3.88M |
|
585
CALL
Expedia Group
EXPE
$38.5B
| $26.6M | 0.01% |
157,400
-33,200
| -17% | -$5.39M |
|
586
PUT
Bristol-Myers Squibb
BMY
$130B
| $26.5M | 0.01% |
572,500
+127,500
| +29% | +$6.26M |
|
587
CALL
Stryker
SYK
$134B
| $26.4M | 0.01% |
66,700
+9,800
| +17% | +$3.67M |
|
588
PUT
Generac Holdings
GNRC
$12.7B
| $26.4M | 0.01% |
184,000
+79,100
| +75% | +$9.65M |
|
589
PUT
Antero Resources
AR
$11.6B
| $26.1M | 0.01% |
648,400
+407,100
| +169% | +$15.4M |
|
590
CALL
Deckers Outdoor
DECK
$12.8B
| $26M | 0.01% |
252,300
-5,200
| -2% | -$576K |
|
|
591
CALL
Generac Holdings
GNRC
$12.7B
| $26M | 0.01% |
181,300
+43,500
| +32% | +$5.31M |
|
592
CALL
Hewlett Packard
HPE
$72B
| $25.8M | 0.01% |
1,261,500
+431,700
| +52% | +$7.24M |
|
593
CALL
iShares MSCI Australia ETF
EWA
$1.46B
| $25.7M | 0.01% |
651,800
+92,500
| +17% | +$2.31M |
|
594
PUT
On Holding
ONON
$10.3B
| $25.7M | 0.01% |
493,200
+94,800
| +24% | +$4.83M |
|
595
CALL
Las Vegas Sands
LVS
$29.6B
| $25.7M | 0.01% |
589,900
+4,600
| +0.8% | +$179K |
|
596
PUT
Gilead Sciences
GILD
$168B
| $25.7M | 0.01% |
231,500
+6,600
| +3% | +$702K |
|
597
CALL
Cheniere Energy
LNG
$54.8B
| $25.6M | 0.01% |
105,100
+12,000
| +13% | +$2.78M |
|
598
CALL
Mondelez International
MDLZ
$78.9B
| $25.6M | 0.01% |
379,500
+51,100
| +16% | +$3.41M |
|
599
CALL
Comcast
CMCSA
$91B
| $25.6M | 0.01% |
716,600
+154,700
| +28% | +$5.35M |
|
600
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.8B
| $25.5M | 0.01% |
+271,720
| New | +$23.4M |
|
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 deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- 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.