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 | |
|---|---|---|---|---|---|---|
2001
PUT
ZIM Integrated Shipping Services
ZIM
$2.96B
| $3.48M | ﹤0.01% |
164,000
+54,600
| +50% | +$916K |
|
2002
SL Green Realty
SLG
$3.95B
| $3.44M | ﹤0.01% |
75,100
+23,094
| +44% | +$1.14M |
|
2003
CALL
Chemours
CC
$2.23B
| $3.43M | ﹤0.01% |
291,300
+66,100
| +29% | +$849K |
|
|
GEMI
2004
CALL
Gemini Space Station
GEMI
$512M
| $3.43M | ﹤0.01% |
+346,100
| New | +$5.4M |
|
2005
CALL
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.22B
| $3.43M | ﹤0.01% |
+33,700
| New | +$940K |
|
2006
American Electric Power
AEP
$67.3B
| $3.43M | ﹤0.01% |
+29,764
| New | +$3.52M |
|
|
EXK
2007
Endeavour Silver
EXK
$3.14B
| $3.43M | ﹤0.01% |
364,900
-66,218
| -15% | -$562K |
|
|
NNE
2008
PUT
Nano Nuclear Energy
NNE
$1.04B
| $3.43M | ﹤0.01% |
+142,800
| New | +$5.47M |
|
|
CWAN
2009
CALL
DELISTED
Clearwater Analytics
CWAN
| $3.42M | ﹤0.01% |
141,900
+88,100
| +164% | +$1.76M |
|
2010
Intercontinental Exchange
ICE
$84.9B
| $3.42M | ﹤0.01% |
+21,110
| New | +$3.31M |
|
2011
PUT
SSR Mining
SSRM
$6.52B
| $3.42M | ﹤0.01% |
155,900
-9,800
| -6% | -$218K |
|
2012
CALL
Hertz
HTZ
$873M
| $3.42M | ﹤0.01% |
664,600
+54,000
| +9% | +$295K |
|
2013
Royal Gold
RGLD
$19.8B
| $3.41M | ﹤0.01% |
+15,357
| New | +$3.05M |
|
2014
Knight Transportation
KNX
$11.2B
| $3.41M | ﹤0.01% |
65,238
-78,168
| -55% | -$3.66M |
|
2015
Zoom
ZM
$31.1B
| $3.41M | ﹤0.01% |
39,471
-45,488
| -54% | -$3.83M |
|
2016
Ondas Inc
ONDS
$5.55B
| $3.4M | ﹤0.01% |
348,815
+251,289
| +258% | +$2.02M |
|
2017
CALL
Kodiak Gas Services
KGS
$6.17B
| $3.4M | ﹤0.01% |
90,900
+71,400
| +366% | +$2.52M |
|
2018
PUT
Matador Resources
MTDR
$6.51B
| $3.4M | ﹤0.01% |
80,100
-32,200
| -29% | -$1.35M |
|
|
CNR
2019
CALL
Core Natural Resources Inc
CNR
$4.65B
| $3.4M | ﹤0.01% |
+38,400
| New | +$3.27M |
|
2020
ProShares UltraPro Short Dow 30
SDOW
$185M
| $3.39M | ﹤0.01% |
+106,210
| New | +$3.6M |
|
2021
Energy Transfer Partners
ET
$71.6B
| $3.39M | ﹤0.01% |
205,617
+124,208
| +153% | +$2.07M |
|
2022
PUT
Cracker Barrel
CBRL
$1.25B
| $3.39M | ﹤0.01% |
133,300
+27,800
| +26% | +$889K |
|
2023
CALL
Equinor
EQNR
$97.2B
| $3.38M | ﹤0.01% |
143,100
-41,600
| -23% | -$981K |
|
2024
PUT
Harley-Davidson
HOG
$2.78B
| $3.37M | ﹤0.01% |
164,300
+42,900
| +35% | +$1.05M |
|
2025
PUT
Wendy's
WEN
$1.44B
| $3.36M | ﹤0.01% |
403,900
+67,200
| +20% | +$580K |
|
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.