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 | |
|---|---|---|---|---|---|---|
2826
CALL
Ameren
AEE
$29.6B
| $1.22M | ﹤0.01% |
+12,200
| New | +$1.25M |
|
2827
Mattel
MAT
$4.21B
| $1.22M | ﹤0.01% |
61,391
-36,181
| -37% | -$699K |
|
2828
Ashland
ASH
$3.45B
| $1.22M | ﹤0.01% |
+20,731
| New | +$1.1M |
|
2829
Monster Beverage
MNST
$89.6B
| $1.22M | ﹤0.01% |
+31,714
| New | +$1.14M |
|
|
KOCG
2830
PUT
DELISTED
FIS Knights of Columbus Global Belief ETF
KOCG
| $1.21M | ﹤0.01% |
+23,100
| New | +$1.21M |
|
2831
CALL
Corebridge Financial
CRBG
$15.4B
| $1.21M | ﹤0.01% |
40,000
+5,900
| +17% | +$181K |
|
|
APLS
2832
CALL
DELISTED
Apellis Pharmaceuticals
APLS
| $1.21M | ﹤0.01% |
48,000
-15,000
| -24% | -$352K |
|
2833
PUT
Jack in the Box
JACK
$340M
| $1.21M | ﹤0.01% |
63,600
-32,400
| -34% | -$586K |
|
|
AVDL
2834
CALL
DELISTED
Avadel Pharmaceuticals
AVDL
| $1.2M | ﹤0.01% |
55,900
-6,800
| -11% | -$132K |
|
2835
Newell Brands
NWL
$2.51B
| $1.2M | ﹤0.01% |
323,822
+141,525
| +78% | +$572K |
|
|
FIGR
2836
Figure Technology Solutions
FIGR
$6.37B
| $1.2M | ﹤0.01% |
+29,419
| New | +$1.18M |
|
2837
ProShares UltraShort Russell2000
TWM
$41.7M
| $1.2M | ﹤0.01% |
+37,531
| New | +$1.23M |
|
2838
FMC
FMC
$1.31B
| $1.2M | ﹤0.01% |
86,459
+70,274
| +434% | +$1.34M |
|
2839
PUT
TAL Education Group
TAL
$6.93B
| $1.2M | ﹤0.01% |
109,900
+6,200
| +6% | +$70.4K |
|
2840
CALL
Medifast
MED
$135M
| $1.2M | ﹤0.01% |
112,000
+12,000
| +12% | +$144K |
|
2841
PUT
Nabors Industries
NBR
$1.33B
| $1.19M | ﹤0.01% |
22,000
+1,800
| +9% | +$87.7K |
|
2842
PUT
BlackSky Technology
BKSY
$1.17B
| $1.19M | ﹤0.01% |
63,700
+21,200
| +50% | +$432K |
|
2843
PUT
Crescent Energy
CRGY
$4.03B
| $1.19M | ﹤0.01% |
142,100
+94,100
| +196% | +$826K |
|
2844
PUT
WEC Energy
WEC
$34.6B
| $1.19M | ﹤0.01% |
11,300
-25,700
| -69% | -$2.85M |
|
|
TEN
2845
PUT
Tsakos Energy Navigation Ltd
TEN
$1.15B
| $1.19M | ﹤0.01% |
53,100
+3,400
| +7% | +$79.6K |
|
2846
PUT
Clover Health Investments
CLOV
$2.43B
| $1.19M | ﹤0.01% |
506,500
-175,200
| -26% | -$479K |
|
2847
CALL
Pitney Bowes
PBI
$2.33B
| $1.19M | ﹤0.01% |
112,600
-1,700
| -1% | -$17.6K |
|
2848
BigBear.ai
BBAI
$1.55B
| $1.19M | ﹤0.01% |
219,526
-310,528
| -59% | -$2.03M |
|
2849
CNX Resources
CNX
$5.32B
| $1.18M | ﹤0.01% |
+32,147
| New | +$1.15M |
|
2850
ProShares UltraShort Bitcoin ETF
SBIT
$171M
| $1.18M | ﹤0.01% |
+26,906
| New | +$990K |
|
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.