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 | |
|---|---|---|---|---|---|---|
1101
CALL
Sony
SONY
$124B
| $13M | ﹤0.01% |
630,000
+223,400
| +55% | +$5.01M |
|
1102
CALL
HP
HPQ
$22.1B
| $13M | ﹤0.01% |
676,200
+212,700
| +46% | +$4.14M |
|
1103
PUT
Suncor Energy
SU
$73.5B
| $13M | ﹤0.01% |
196,200
-123,100
| -39% | -$6.8M |
|
1104
PUT
Clorox
CLX
$11.6B
| $12.9M | ﹤0.01% |
124,900
+7,400
| +6% | +$839K |
|
1105
CALL
Snap
SNAP
$7.67B
| $12.9M | ﹤0.01% |
2,809,600
-724,200
| -20% | -$4.27M |
|
1106
CALL
Paychex
PAYX
$41B
| $12.9M | ﹤0.01% |
140,000
+7,200
| +5% | +$712K |
|
1107
CALL
Calumet Specialty Products
CLMT
$3.79B
| $12.9M | ﹤0.01% |
358,500
+124,800
| +53% | +$3.23M |
|
1108
CALL
Martin Marietta Materials
MLM
$33.2B
| $12.8M | ﹤0.01% |
+21,800
| New | +$13.9M |
|
1109
PUT
Baker Hughes
BKR
$54.7B
| $12.8M | ﹤0.01% |
210,000
+56,900
| +37% | +$3.29M |
|
1110
Autodesk
ADSK
$46B
| $12.8M | ﹤0.01% |
53,506
+31,772
| +146% | +$7.99M |
|
1111
CALL
monday.com
MNDY
$3.29B
| $12.7M | ﹤0.01% |
184,400
+26,000
| +16% | +$2.5M |
|
1112
CALL
Grayscale Bitcoin Trust
GBTC
$9.79B
| $12.7M | ﹤0.01% |
241,100
-111,700
| -32% | -$6.65M |
|
1113
CALL
DexCom
DXCM
$29.2B
| $12.7M | ﹤0.01% |
202,200
-166,400
| -45% | -$11.6M |
|
|
VG
1114
CALL
Venture Global Inc
VG
$35.5B
| $12.7M | ﹤0.01% |
805,200
+287,800
| +56% | +$3.09M |
|
1115
CALL
Agilent Technologies
A
$36.8B
| $12.7M | ﹤0.01% |
111,200
-6,600
| -6% | -$837K |
|
1116
PUT
Duke Energy
DUK
$98.1B
| $12.7M | ﹤0.01% |
96,700
-8,000
| -8% | -$1M |
|
1117
PUT
Molina Healthcare
MOH
$12B
| $12.6M | ﹤0.01% |
94,800
+14,200
| +18% | +$2.26M |
|
1118
PUT
Cardinal Health
CAH
$52.9B
| $12.6M | ﹤0.01% |
59,700
-24,400
| -29% | -$5.25M |
|
1119
PUT
CRH
CRH
$66.8B
| $12.6M | ﹤0.01% |
119,900
+36,100
| +43% | +$4.24M |
|
1120
PUT
Chewy
CHWY
$9B
| $12.5M | ﹤0.01% |
461,300
-30,800
| -6% | -$859K |
|
1121
CALL
Matador Resources
MTDR
$6.64B
| $12.5M | ﹤0.01% |
197,100
+60,300
| +44% | +$3.02M |
|
1122
CALL
Aehr Test Systems
AEHR
$2.51B
| $12.5M | ﹤0.01% |
335,800
-27,400
| -8% | -$876K |
|
1123
CALL
Unilever
UL
$133B
| $12.4M | ﹤0.01% |
217,300
+111,200
| +105% | +$7.45M |
|
1124
PUT
Pultegroup
PHM
$23.5B
| $12.4M | ﹤0.01% |
105,100
+31,400
| +43% | +$4.02M |
|
1125
PUT
Advanced Energy
AEIS
$11.2B
| $12.4M | ﹤0.01% |
+38,300
| New | +$11.1M |
|
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.