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 | |
|---|---|---|---|---|---|---|
3126
PUT
Thor Industries
THO
$3.94B
| $1.16M | ﹤0.01% |
14,500
-32,500
| -69% | -$3.31M |
|
3127
PUT
Mattel
MAT
$4.12B
| $1.16M | ﹤0.01% |
79,700
-230,600
| -74% | -$4.2M |
|
3128
Portillo's
PTLO
$329M
| $1.16M | ﹤0.01% |
218,524
-11,658
| -5% | -$63.4K |
|
3129
SSR Mining
SSRM
$5.55B
| $1.16M | ﹤0.01% |
39,318
+28,685
| +270% | +$761K |
|
|
HIMX
3130
Himax Technologies
HIMX
$2.37B
| $1.15M | ﹤0.01% |
146,724
+100,368
| +217% | +$824K |
|
3131
PUT
Sanmina
SANM
$11.7B
| $1.15M | ﹤0.01% |
+8,900
| New | +$1.31M |
|
3132
State Street SPDR S&P Capital Markets ETF
KCE
$457M
| $1.15M | ﹤0.01% |
+8,381
| New | +$1.24M |
|
3133
CALL
Columbia Sportswear
COLM
$3.19B
| $1.15M | ﹤0.01% |
+21,000
| New | +$1.21M |
|
3134
SBA Communications
SBAC
$19B
| $1.15M | ﹤0.01% |
+6,685
| New | +$1.25M |
|
3135
CALL
CoreCivic
CXW
$3.15B
| $1.15M | ﹤0.01% |
60,700
-24,000
| -28% | -$453K |
|
3136
Vanguard Total International Stock ETF
VXUS
$155B
| $1.15M | ﹤0.01% |
+14,879
| New | +$1.18M |
|
3137
CALL
Trex
TREX
$4.45B
| $1.15M | ﹤0.01% |
31,500
+3,800
| +14% | +$153K |
|
3138
CALL
abrdn Physical Gold Shares ETF
SGOL
$6.94B
| $1.15M | ﹤0.01% |
25,700
+5,300
| +26% | +$246K |
|
3139
PUT
Organon & Co
OGN
$3.55B
| $1.15M | ﹤0.01% |
191,400
+2,100
| +1% | +$15.8K |
|
3140
CALL
Goldman Sachs Physical Gold ETF Shares
AAAU
$2.47B
| $1.14M | ﹤0.01% |
24,700
+8,000
| +48% | +$385K |
|
3141
Sterling Infrastructure
STRL
$21.4B
| $1.14M | ﹤0.01% |
+2,799
| New | +$1.09M |
|
|
GRAL
3142
GRAIL Inc
GRAL
$3.07B
| $1.14M | ﹤0.01% |
22,014
+7,043
| +47% | +$546K |
|
3143
PUT
Natural Resource Partners
NRP
$1.29B
| $1.14M | ﹤0.01% |
+9,400
| New | +$1.11M |
|
3144
CALL
Equity Residential
EQR
$25.6B
| $1.14M | ﹤0.01% |
+19,200
| New | +$1.18M |
|
3145
CALL
Spectrum Brands
SPB
$2.05B
| $1.13M | ﹤0.01% |
+15,400
| New | +$1.1M |
|
3146
Capri Holdings
CPRI
$1.79B
| $1.13M | ﹤0.01% |
64,354
-18,640
| -22% | -$394K |
|
3147
PUT
Cooper Companies
COO
$13.8B
| $1.13M | ﹤0.01% |
15,800
-4,800
| -23% | -$380K |
|
3148
Invesco Dorsey Wright Utilities Momentum ETF
PUI
$55.6M
| $1.13M | ﹤0.01% |
24,002
-1,850
| -7% | -$85.2K |
|
3149
CALL
Danaos Corp
DAC
$2.38B
| $1.13M | ﹤0.01% |
+10,000
| New | +$1.07M |
|
3150
PUT
Dave & Buster's
PLAY
$373M
| $1.13M | ﹤0.01% |
104,000
-5,800
| -5% | -$92.7K |
|
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.