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 | |
|---|---|---|---|---|---|---|---|
3326
CALL
Clean Harbors
CLH
$16.9B
| – | – |
-10,900
| Closed | -$2.15M | – |
|
3327
PUT
Canadian National Railway
CNI
$73.6B
| – | – |
-36,000
| Closed | -$3.51M | – |
|
3328
PUT
Concentrix
CNXC
$1.7B
| – | – |
-11,300
| Closed | -$629K | – |
|
3329
Coherent
COHR
$45.9B
| – | – |
-53,882
| Closed | -$3.88M | – |
|
3330
CALL
DELISTED
Mr. Cooper
COOP
| – | – |
-15,100
| Closed | -$1.81M | – |
|
3331
Global X Copper Miners ETF NEW
COPX
$6.87B
| – | – |
-12,634
| Closed | -$494K | – |
|
3332
Coupang
CPNG
$25.7B
| – | – |
-46,890
| Closed | -$1.2M | – |
|
3333
CALL
Crane Co
CR
$11.9B
| – | – |
-11,900
| Closed | -$1.82M | – |
|
3334
Corebridge Financial
CRBG
$15.3B
| – | – |
-11,021
| Closed | -$343K | – |
|
3335
CALL
California Resources
CRC
$4.83B
| – | – |
-10,500
| Closed | -$462K | – |
|
3336
CALL
Crescent Energy
CRGY
$5.82B
| – | – |
-19,400
| Closed | -$218K | – |
|
3337
Corsair Gaming
CRSR
$1.38B
| – | – |
-28,940
| Closed | -$233K | – |
|
3338
CALL
Criteo S.A.
CRTO
$752M
| – | – |
-10,900
| Closed | -$386K | – |
|
3339
PUT
Cirrus Logic
CRUS
$5.41B
| – | – |
-10,800
| Closed | -$1.08M | – |
|
3340
Invesco S&P Spin-Off ETF
CSD
$209M
| – | – |
-12,948
| Closed | -$971K | – |
|
3341
CoStar Group
CSGP
$13.1B
| – | – |
-17,850
| Closed | -$1.39M | – |
|
3342
Canadian Solar
CSIQ
$666M
| – | – |
-99,116
| Closed | -$959K | – |
|
3343
Cemex
CX
$14.8B
| – | – |
-73,688
| Closed | -$467K | – |
|
|
3344
PUT
Cemex
CX
$14.8B
| – | – |
-65,800
| Closed | -$369K | – |
|
3345
Invesco Zacks Mid-Cap ETF
CZA
$174M
| – | – |
-25,289
| Closed | -$2.63M | – |
|
3346
Caesars Entertainment
CZR
$5.87B
| – | – |
-51,920
| Closed | -$1.41M | – |
|
3347
Dave Inc
DAVE
$4.69B
| – | – |
-10,570
| Closed | -$1.67M | – |
|
3348
CALL
3D Systems Corp
DDD
$459M
| – | – |
-158,100
| Closed | -$335K | – |
|
|
3349
PUT
3D Systems Corp
DDD
$459M
| – | – |
-188,700
| Closed | -$400K | – |
|
3350
Dell
DELL
$287B
| – | – |
-52,697
| Closed | -$5.39M | – |
|
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.