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 | |
|---|---|---|---|---|---|---|
1801
PUT
Copart
CPRT
$25.1B
| $4.89M | ﹤0.01% |
147,200
+32,600
| +28% | +$1.22M |
|
1802
PUT
Martin Marietta Materials
MLM
$33.1B
| $4.89M | ﹤0.01% |
+8,300
| New | +$5.3M |
|
|
MRSH
1803
CALL
Marsh
MRSH
$87.8B
| $4.87M | ﹤0.01% |
28,100
-5,400
| -16% | -$971K |
|
1804
Campbell Soup
CPB
$6.65B
| $4.86M | ﹤0.01% |
218,236
+167,230
| +328% | +$4.29M |
|
1805
CALL
Vanguard World Funds Extended Duration ETF
EDV
$3.32B
| $4.86M | ﹤0.01% |
74,800
+42,500
| +132% | +$2.81M |
|
1806
PUT
Zeta Global
ZETA
$5.24B
| $4.86M | ﹤0.01% |
305,100
-97,900
| -24% | -$1.81M |
|
1807
PUT
Ferguson
FERG
$44B
| $4.85M | ﹤0.01% |
+20,800
| New | +$5.06M |
|
1808
Carnival Corporation Ltd
CCL
$35.8B
| $4.85M | ﹤0.01% |
+187,425
| New | +$5.47M |
|
1809
CALL
LPL Financial
LPLA
$26.2B
| $4.84M | ﹤0.01% |
16,100
+800
| +5% | +$268K |
|
1810
PUT
American International
AIG
$42.5B
| $4.83M | ﹤0.01% |
64,200
-42,800
| -40% | -$3.27M |
|
1811
PUT
Cal-Maine
CALM
$4.17B
| $4.83M | ﹤0.01% |
61,000
-10,700
| -15% | -$879K |
|
|
SOLT
1812
PUT
2x Solana ETF
SOLT
$127M
| $4.82M | ﹤0.01% |
+106,400
| New | +$8.83M |
|
1813
American Express
AXP
$240B
| $4.82M | ﹤0.01% |
+15,934
| New | +$5.34M |
|
1814
CALL
Viasat
VSAT
$10B
| $4.82M | ﹤0.01% |
105,200
-178,200
| -63% | -$8.02M |
|
1815
CALL
Ralph Lauren
RL
$22.8B
| $4.82M | ﹤0.01% |
14,000
-300
| -2% | -$107K |
|
1816
CALL
Cirrus Logic
CRUS
$7.02B
| $4.82M | ﹤0.01% |
33,300
+18,600
| +127% | +$2.5M |
|
1817
PTC
PTC
$14B
| $4.81M | ﹤0.01% |
+33,788
| New | +$5.34M |
|
1818
CALL
Dropbox
DBX
$6.9B
| $4.8M | ﹤0.01% |
211,400
+62,500
| +42% | +$1.59M |
|
1819
Opendoor
OPEN
$4.16B
| $4.8M | ﹤0.01% |
+1,026,023
| New | +$5.53M |
|
1820
PUT
IMAX
IMAX
$2.06B
| $4.8M | ﹤0.01% |
126,300
+39,200
| +45% | +$1.46M |
|
1821
CALL
VICI Properties
VICI
$29.3B
| $4.79M | ﹤0.01% |
175,200
+45,700
| +35% | +$1.31M |
|
1822
PUT
State Street
STT
$50.5B
| $4.77M | ﹤0.01% |
37,700
-25,400
| -40% | -$3.25M |
|
1823
CALL
StoneCo
STNE
$2.75B
| $4.77M | ﹤0.01% |
337,800
-104,000
| -24% | -$1.6M |
|
1824
CALL
Ventas
VTR
$47.3B
| $4.76M | ﹤0.01% |
58,200
+15,600
| +37% | +$1.28M |
|
1825
PUT
Nokia
NOK
$59.2B
| $4.75M | ﹤0.01% |
591,400
+226,900
| +62% | +$1.67M |
|
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.