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 | |
|---|---|---|---|---|---|---|
676
CALL
American Airlines Group
AAL
$10.1B
| $21.1M | 0.01% |
1,878,800
+62,900
| +3% | +$674K |
|
|
EXE
677
CALL
Expand Energy Corp
EXE
$22.7B
| $21M | 0.01% |
179,700
+55,600
| +45% | +$6.2M |
|
678
PUT
Deckers Outdoor
DECK
$12.8B
| $20.9M | 0.01% |
203,100
+24,100
| +13% | +$2.67M |
|
679
PUT
Toll Brothers
TOL
$14.3B
| $20.9M | 0.01% |
183,200
+35,300
| +24% | +$3.66M |
|
680
CALL
Norwegian Cruise Line
NCLH
$8.59B
| $20.9M | 0.01% |
1,030,900
+260,000
| +34% | +$4.65M |
|
681
PUT
Fluor
FLR
$7.08B
| $20.9M | 0.01% |
406,900
+342,900
| +536% | +$13.7M |
|
682
CALL
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.8B
| $20.8M | 0.01% |
221,600
+49,300
| +29% | +$4.24M |
|
683
CALL
State Street Communication Services Select Sector SPDR ETF
XLC
$22.5B
| $20.8M | 0.01% |
191,900
+92,600
| +93% | +$9.12M |
|
684
CALL
Realty Income
O
$58.6B
| $20.8M | 0.01% |
361,400
+63,000
| +21% | +$3.56M |
|
685
CALL
Autodesk
ADSK
$53.1B
| $20.7M | 0.01% |
67,000
-46,800
| -41% | -$13.3M |
|
686
CALL
PVH
PVH
$3.91B
| $20.7M | 0.01% |
301,700
+269,200
| +828% | +$19.5M |
|
687
CALL
EQT Corp
EQT
$34B
| $20.6M | 0.01% |
354,000
-189,400
| -35% | -$10.2M |
|
688
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$108M
| $20.6M | 0.01% |
748,700
+114,900
| +18% | +$2.97M |
|
689
CALL
HubSpot
HUBS
$11B
| $20.5M | 0.01% |
36,900
+5,800
| +19% | +$3.4M |
|
690
PUT
Honeywell
HON
$72.9B
| $20.5M | 0.01% |
93,368
-27,056
| -22% | -$5.48M |
|
691
PUT
Marathon Petroleum
MPC
$94.5B
| $20.3M | 0.01% |
122,500
+23,900
| +24% | +$3.58M |
|
|
FISV
692
PUT
Fiserv Inc
FISV
$28B
| $20.2M | 0.01% |
117,300
+79,900
| +214% | +$14.5M |
|
|
SCIU
693
CALL
DELISTED
Global X Scientific Beta US ETF
SCIU
| $20.1M | 0.01% |
513,200
-52,900
| -9% | -$2.08M |
|
|
CMA
694
CALL
DELISTED
Comerica
CMA
| $20.1M | 0.01% |
337,500
+210,500
| +166% | +$11.7M |
|
|
UCD
695
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $20.1M | 0.01% |
468,900
+72,900
| +18% | +$3.12M |
|
696
PUT
Core Scientific
CORZ
$6.35B
| $20.1M | 0.01% |
1,174,600
+434,200
| +59% | +$4.35M |
|
697
PUT
Toast
TOST
$20.2B
| $20M | 0.01% |
452,300
+184,200
| +69% | +$7.24M |
|
|
698
PUT
EQT Corp
EQT
$34B
| $20M | 0.01% |
343,000
+12,700
| +4% | +$685K |
|
699
CALL
Abercrombie & Fitch
ANF
$5.24B
| $19.9M | 0.01% |
240,400
-36,200
| -13% | -$2.75M |
|
700
CALL
AB InBev
BUD
$159B
| $19.7M | 0.01% |
287,100
+79,300
| +38% | +$5.33M |
|
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.