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 Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2801
PUT
Axalta
AXTA
$8.03B
| $1.25M | ﹤0.01% |
+38,700
| New | +$1.14M |
|
2802
PUT
InMode
INMD
$871M
| $1.25M | ﹤0.01% |
85,100
-27,300
| -24% | -$402K |
|
2803
BILL Holdings
BILL
$4.94B
| $1.25M | ﹤0.01% |
22,899
+11,505
| +101% | +$591K |
|
2804
CALL
Hexcel
HXL
$7.62B
| $1.25M | ﹤0.01% |
+16,900
| New | +$1.19M |
|
2805
PUT
United States Copper Index Fund
CPER
$779M
| $1.25M | ﹤0.01% |
35,700
+12,200
| +52% | +$390K |
|
|
USAR
2806
USA Rare Earth Inc
USAR
$4.69B
| $1.25M | ﹤0.01% |
+104,821
| New | +$2M |
|
2807
CALL
Beazer Homes USA
BZH
$876M
| $1.25M | ﹤0.01% |
61,500
+44,100
| +253% | +$981K |
|
|
STUB
2808
StubHub Holdings
STUB
$3.21B
| $1.24M | ﹤0.01% |
+91,748
| New | +$1.44M |
|
2809
Direxion Daily Homebuilders & Supplies Bull 3X ETF
NAIL
$610M
| $1.24M | ﹤0.01% |
+25,015
| New | +$1.48M |
|
|
GTM
2810
PUT
ZoomInfo Technologies
GTM
$1.23B
| $1.24M | ﹤0.01% |
121,900
-278,400
| -70% | -$2.87M |
|
2811
PUT
TPG
TPG
$8.12B
| $1.24M | ﹤0.01% |
+19,400
| New | +$1.15M |
|
|
AEVA
2812
CALL
Aeva Technologies
AEVA
$1.71B
| $1.24M | ﹤0.01% |
93,200
+41,100
| +79% | +$585K |
|
2813
Huntsman Corp
HUN
$1.85B
| $1.24M | ﹤0.01% |
123,679
+68,145
| +123% | +$624K |
|
2814
nVent Electric
NVT
$27B
| $1.23M | ﹤0.01% |
+12,110
| New | +$1.26M |
|
2815
CALL
SM Energy
SM
$7.7B
| $1.23M | ﹤0.01% |
66,000
+24,000
| +57% | +$486K |
|
|
CCCX
2816
DELISTED
Churchill Capital Corp X
CCCX
| $1.23M | ﹤0.01% |
+79,112
| New | +$1.33M |
|
|
PPLI
2817
CALL
People Inc
PPLI
$3.02B
| $1.23M | ﹤0.01% |
31,500
-22,600
| -42% | -$791K |
|
2818
United States Antimony
UAMY
$972M
| $1.23M | ﹤0.01% |
245,339
+60,043
| +32% | +$471K |
|
2819
Root
ROOT
$797M
| $1.23M | ﹤0.01% |
16,985
-39,886
| -70% | -$3.18M |
|
2820
PUT
Jackson Financial
JXN
$8.84B
| $1.23M | ﹤0.01% |
11,500
-11,500
| -50% | -$1.14M |
|
2821
PUT
Universal Display
OLED
$4.25B
| $1.23M | ﹤0.01% |
10,500
-8,900
| -46% | -$1.15M |
|
2822
PUT
Rexford Industrial Realty
REXR
$8.1B
| $1.22M | ﹤0.01% |
31,600
+3,900
| +14% | +$161K |
|
2823
Varonis Systems
VRNS
$4.86B
| $1.22M | ﹤0.01% |
+37,180
| New | +$1.56M |
|
2824
CALL
Richtech Robotics
RR
$380M
| $1.22M | ﹤0.01% |
+377,400
| New | +$1.67M |
|
2825
CALL
Revolution Medicines
RVMD
$43.7B
| $1.22M | ﹤0.01% |
15,300
+5,100
| +50% | +$334K |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.