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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
5001
PUT
Flex
FLEX
$43.4B
| $203K | ﹤0.01% |
3,100
-7,600
| -71% | -$486K |
|
5002
PUT
AXIS Capital
AXS
$8.59B
| $203K | ﹤0.01% |
+2,000
| New | +$205K |
|
5003
CALL
Finance of America Companies
FOA
$204M
| $203K | ﹤0.01% |
+12,200
| New | +$252K |
|
5004
PUT
Integer Holdings
ITGR
$3.35B
| $202K | ﹤0.01% |
+2,300
| New | +$196K |
|
|
BWIN
5005
CALL
Baldwin Insurance Group
BWIN
$2.58B
| $202K | ﹤0.01% |
+9,200
| New | +$199K |
|
|
CON
5006
CALL
Concentra Group Holdings
CON
$4.04B
| $202K | ﹤0.01% |
+9,400
| New | +$209K |
|
5007
PUT
CubeSmart
CUBE
$9.53B
| $202K | ﹤0.01% |
+5,500
| New | +$211K |
|
5008
CALL
Customers Bancorp
CUBI
$2.59B
| $201K | ﹤0.01% |
+2,900
| New | +$211K |
|
5009
PUT
Timken Company
TKR
$9.82B
| $201K | ﹤0.01% |
+2,000
| New | +$199K |
|
5010
PUT
Morgan Stanley Direct Lending Fund
MSDL
$1.29B
| $201K | ﹤0.01% |
14,400
+600
| +4% | +$9.28K |
|
5011
PUT
Children's Place
PLCE
$53.6M
| $201K | ﹤0.01% |
59,800
-80,700
| -57% | -$327K |
|
5012
CALL
CarGurus
CARG
$3.01B
| $201K | ﹤0.01% |
+5,900
| New | +$193K |
|
5013
PUT
Suburban Propane Partners
SPH
$1.23B
| $201K | ﹤0.01% |
+10,200
| New | +$204K |
|
5014
Compass
COMP
$8.27B
| $201K | ﹤0.01% |
27,444
-197,365
| -88% | -$2.07M |
|
5015
CALL
Extreme Networks
EXTR
$3.86B
| $201K | ﹤0.01% |
+13,300
| New | +$199K |
|
5016
iShare MSCI Eurozone ETF
EZU
$9.41B
| $201K | ﹤0.01% |
+3,201
| New | +$210K |
|
5017
Sasol
SSL
$7.58B
| $200K | ﹤0.01% |
+15,443
| New | +$135K |
|
5018
CALL
Amplitude
AMPL
$1.07B
| $200K | ﹤0.01% |
+29,300
| New | +$242K |
|
5019
Camping World
CWH
$363M
| $199K | ﹤0.01% |
29,205
+6,484
| +29% | +$66.8K |
|
5020
PUT
Atlas Energy Solutions
AESI
$1.49B
| $199K | ﹤0.01% |
+15,200
| New | +$178K |
|
|
XRP
5021
Bitwise XRP ETF
XRP
$246M
| $198K | ﹤0.01% |
+13,200
| New | +$238K |
|
5022
CALL
Xeris Biopharma Holdings
XERS
$1.44B
| $198K | ﹤0.01% |
34,200
+7,300
| +27% | +$48.4K |
|
|
PEW
5023
CALL
GrabAGun Digital Holdings
PEW
$68.5M
| $197K | ﹤0.01% |
65,600
-22,300
| -25% | -$67.5K |
|
5024
PUT
Aspen Aerogels
ASPN
$387M
| $197K | ﹤0.01% |
57,700
-43,000
| -43% | -$145K |
|
5025
Playtika
PLTK
$1.4B
| $197K | ﹤0.01% |
+70,971
| New | +$233K |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.