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 | |
|---|---|---|---|---|---|---|
4101
PUT
Badger Meter
BMI
$3.6B
| $472K | ﹤0.01% |
+3,100
| New | +$487K |
|
4102
PUT
First Trust Natural Gas ETF
FCG
$636M
| $472K | ﹤0.01% |
+14,900
| New | +$403K |
|
4103
PUT
iRhythm Holdings
IRTC
$3.54B
| $472K | ﹤0.01% |
+4,000
| New | +$577K |
|
4104
PUT
Global E Online
GLBE
$5.79B
| $472K | ﹤0.01% |
15,300
-23,900
| -61% | -$841K |
|
4105
CALL
Lloyds Banking Group
LYG
$87B
| $471K | ﹤0.01% |
+93,700
| New | +$514K |
|
4106
PUT
Tradeweb Markets
TW
$21.3B
| $471K | ﹤0.01% |
4,000
-9,200
| -70% | -$1.05M |
|
|
WYFI
4107
PUT
WhiteFiber Inc
WYFI
$1.05B
| $470K | ﹤0.01% |
39,500
+8,500
| +27% | +$147K |
|
4108
VF Corp
VFC
$6.49B
| $470K | ﹤0.01% |
27,676
-126,069
| -82% | -$2.38M |
|
4109
CALL
Anavex Life Sciences
AVXL
$230M
| $470K | ﹤0.01% |
153,100
-6,600
| -4% | -$28.6K |
|
4110
Sprott Junior Uranium Miners ETF
URNJ
$322M
| $468K | ﹤0.01% |
15,972
+411
| +3% | +$13.2K |
|
|
BRSL
4111
CALL
Brightstar Lottery PLC
BRSL
$1.9B
| $466K | ﹤0.01% |
36,600
-103,200
| -74% | -$1.42M |
|
|
AAOX
4112
Tradr 2X Long AAOI Daily ETF
AAOX
$224M
| $466K | ﹤0.01% |
+25,895
| New | +$667K |
|
|
ADUR
4113
PUT
Aduro Clean Technologies
ADUR
$493M
| $466K | ﹤0.01% |
44,400
+20,900
| +89% | +$247K |
|
|
4114
PUT
Sprott Junior Uranium Miners ETF
URNJ
$322M
| $466K | ﹤0.01% |
15,900
-7,500
| -32% | -$241K |
|
4115
PUT
Universal Technical Institute
UTI
$2.13B
| $466K | ﹤0.01% |
12,900
-2,100
| -14% | -$66.3K |
|
4116
CALL
Tanger
SKT
$4.72B
| $466K | ﹤0.01% |
+13,700
| New | +$471K |
|
4117
CALL
CMS Energy
CMS
$22.9B
| $465K | ﹤0.01% |
6,000
-5,100
| -46% | -$379K |
|
4118
CALL
Workiva
WK
$2.84B
| $465K | ﹤0.01% |
7,800
-3,100
| -28% | -$216K |
|
4119
CALL
Rapid7
RPD
$639M
| $465K | ﹤0.01% |
84,400
-72,400
| -46% | -$665K |
|
4120
CALL
ChargePoint
CHPT
$140M
| $465K | ﹤0.01% |
95,600
-168,000
| -64% | -$1.02M |
|
4121
Helen of Troy
HELE
$625M
| $463K | ﹤0.01% |
32,135
-1,109
| -3% | -$19.4K |
|
|
VOYG
4122
Voyager Technologies
VOYG
$1.56B
| $463K | ﹤0.01% |
19,804
+1,018
| +5% | +$29.2K |
|
4123
CALL
Atlas Energy Solutions
AESI
$1.63B
| $463K | ﹤0.01% |
35,300
+4,100
| +13% | +$47.9K |
|
|
CGC
4124
CALL
Canopy Growth
CGC
$382M
| $463K | ﹤0.01% |
487,600
-649,300
| -57% | -$715K |
|
4125
CALL
Coty
COTY
$2.29B
| $463K | ﹤0.01% |
+230,200
| New | +$619K |
|
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.