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 | |
|---|---|---|---|---|---|---|
726
Amazon
AMZN
$2.94T
| $18.8M | 0.01% |
85,524
-250,969
| -75% | -$49.7M |
|
727
CALL
SolarEdge
SEDG
$2.05B
| $18.8M | 0.01% |
919,200
+254,200
| +38% | +$4.2M |
|
728
CALL
Stanley Black & Decker
SWK
$15.7B
| $18.7M | 0.01% |
276,700
+116,700
| +73% | +$7.53M |
|
729
PUT
DaVita
DVA
$11.4B
| $18.7M | 0.01% |
131,400
-5,300
| -4% | -$751K |
|
730
PUT
Crocs
CROX
$6.31B
| $18.7M | 0.01% |
184,800
+13,800
| +8% | +$1.41M |
|
731
CALL
Texas Pacific Land
TPL
$25.2B
| $18.7M | 0.01% |
53,100
+5,700
| +12% | +$2.33M |
|
732
CALL
Colgate-Palmolive
CL
$73.6B
| $18.6M | 0.01% |
204,600
+57,300
| +39% | +$5.23M |
|
733
PUT
Emerson Electric
EMR
$91.7B
| $18.5M | 0.01% |
139,000
+40,900
| +42% | +$4.69M |
|
734
CALL
Credo Technology Group
CRDO
$46.2B
| $18.5M | 0.01% |
200,100
+93,400
| +88% | +$5.45M |
|
|
UCD
735
PUT
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $18.5M | 0.01% |
450,300
+258,400
| +135% | +$10.6M |
|
736
Visa
V
$677B
| $18.4M | 0.01% |
+51,882
| New | +$18.1M |
|
737
PUT
Halliburton
HAL
$28.2B
| $18.4M | 0.01% |
901,300
+372,700
| +71% | +$7.82M |
|
738
PUT
S&P Global
SPGI
$120B
| $18.3M | 0.01% |
34,800
-51,900
| -60% | -$25.9M |
|
739
PUT
Rigetti Computing
RGTI
$6.04B
| $18.3M | 0.01% |
1,544,200
+45,100
| +3% | +$476K |
|
740
CALL
Ciena
CIEN
$54.9B
| $18.2M | 0.01% |
223,700
-118,400
| -35% | -$8.49M |
|
741
CALL
NIO
NIO
$11.6B
| $18.1M | 0.01% |
5,289,600
-1,198,600
| -18% | -$4.47M |
|
|
742
CALL
Crocs
CROX
$6.31B
| $18.1M | 0.01% |
178,900
-15,300
| -8% | -$1.56M |
|
743
CALL
GE HealthCare
GEHC
$32.9B
| $18.1M | 0.01% |
243,900
+78,300
| +47% | +$5.45M |
|
744
CALL
Plains All American Pipeline
PAA
$16.3B
| $18M | 0.01% |
984,600
+338,900
| +52% | +$5.91M |
|
745
PUT
Comcast
CMCSA
$91B
| $18M | 0.01% |
504,100
-745,700
| -60% | -$25.8M |
|
746
CALL
CleanSpark
CLSK
$2.96B
| $18M | 0.01% |
1,627,400
-92,800
| -5% | -$826K |
|
747
CALL
NRG Energy
NRG
$25.2B
| $17.9M | 0.01% |
111,500
+17,300
| +18% | +$2.28M |
|
748
PUT
Medtronic
MDT
$116B
| $17.9M | 0.01% |
204,900
+9,100
| +5% | +$772K |
|
749
CALL
Best Buy
BBY
$17.6B
| $17.8M | 0.01% |
265,800
+27,500
| +12% | +$1.87M |
|
750
CALL
Cboe Global Markets
CBOE
$29.5B
| $17.8M | 0.01% |
76,500
-19,400
| -20% | -$4.32M |
|
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.