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 | |
|---|---|---|---|---|---|---|---|
676
CALL
American Airlines Group
AAL
$8.13B
| $21.1M | 0.01% |
1,878,800
+62,900
| +3% | +$674K |
2018 Q4
26 quarters
|
|
677
CALL
Expand Energy Corp
EXE
$21B
| $21M | 0.01% |
179,700
+55,600
| +45% | +$6.2M |
2024 Q4
2 quarters
|
|
678
PUT
Deckers Outdoor
DECK
$11.8B
| $20.9M | 0.01% |
203,100
+24,100
| +13% | +$2.67M |
2023 Q4
6 quarters
|
|
679
PUT
Toll Brothers
TOL
$12.3B
| $20.9M | 0.01% |
183,200
+35,300
| +24% | +$3.66M |
2023 Q4
6 quarters
|
|
680
CALL
Norwegian Cruise Line
NCLH
$7.07B
| $20.9M | 0.01% |
1,030,900
+260,000
| +34% | +$4.65M |
2020 Q1
21 quarters
|
|
681
PUT
Fluor
FLR
$6.38B
| $20.9M | 0.01% |
406,900
+342,900
| +536% | +$13.7M |
2024 Q1
5 quarters
|
|
682
CALL
Fidelity Wise Origin Bitcoin Fund
FBTC
$15.3B
| $20.8M | 0.01% |
221,600
+49,300
| +29% | +$4.24M |
2024 Q4
2 quarters
|
|
683
CALL
State Street Communication Services Select Sector SPDR ETF
XLC
$24B
| $20.8M | 0.01% |
191,900
+92,600
| +93% | +$9.12M |
2024 Q1
5 quarters
|
|
684
CALL
Realty Income
O
$52.6B
| $20.8M | 0.01% |
361,400
+63,000
| +21% | +$3.56M |
2024 Q1
5 quarters
|
|
685
CALL
Autodesk
ADSK
$51.2B
| $20.7M | 0.01% |
67,000
-46,800
| -41% | -$13.3M |
2018 Q4
26 quarters
|
|
686
CALL
PVH
PVH
$3.94B
| $20.7M | 0.01% |
301,700
+269,200
| +828% | +$19.5M |
2022 Q4
10 quarters
|
|
687
CALL
EQT Corp
EQT
$32.8B
| $20.6M | 0.01% |
354,000
-189,400
| -35% | -$10.2M |
2022 Q4
10 quarters
|
|
688
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$107M
| $20.6M | 0.01% |
748,700
+114,900
| +18% | +$2.97M |
2023 Q4
6 quarters
|
|
689
CALL
HubSpot
HUBS
$11.9B
| $20.5M | 0.01% |
36,900
+5,800
| +19% | +$3.4M |
2023 Q4
6 quarters
|
|
690
PUT
Honeywell
HON
$66.7B
| $20.5M | 0.01% |
93,368
-27,056
| -22% | -$5.48M |
2021 Q3
15 quarters
|
|
691
PUT
Marathon Petroleum
MPC
$134B
| $20.3M | 0.01% |
122,500
+23,900
| +24% | +$3.58M |
2021 Q2
16 quarters
|
|
692
PUT
Fiserv Inc
FISV
$25.1B
| $20.2M | 0.01% |
117,300
+79,900
| +214% | +$14.5M |
2021 Q1
17 quarters
|
|
|
SCIU
693
CALL
DELISTED
Global X Scientific Beta US ETF
SCIU
| $20.1M | 0.01% |
513,200
-52,900
| -9% | -$2.08M |
2024 Q1
5 quarters
|
|
694
CALL
DELISTED
Comerica
CMA
| $20.1M | 0.01% |
337,500
+210,500
| +166% | +$11.7M |
2023 Q1
9 quarters
|
|
|
UCD
695
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $20.1M | 0.01% |
468,900
+72,900
| +18% | +$3.12M |
2021 Q4
14 quarters
|
|
696
PUT
Core Scientific
CORZ
$4.65B
| $20.1M | 0.01% |
1,174,600
+434,200
| +59% | +$4.35M |
2024 Q2
4 quarters
|
|
697
PUT
Toast
TOST
$18.6B
| $20M | 0.01% |
452,300
+184,200
| +69% | +$7.24M |
2022 Q3
11 quarters
|
|
|
698
PUT
EQT Corp
EQT
$32.8B
| $20M | 0.01% |
343,000
+12,700
| +4% | +$685K |
2022 Q4
10 quarters
|
|
699
CALL
Abercrombie & Fitch
ANF
$6.45B
| $19.9M | 0.01% |
240,400
-36,200
| -13% | -$2.75M |
2021 Q2
16 quarters
|
|
700
CALL
AB InBev
BUD
$160B
| $19.7M | 0.01% |
287,100
+79,300
| +38% | +$5.33M |
2021 Q4
14 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.