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 | |
|---|---|---|---|---|---|---|
1601
PUT
American Conservative Values ETF
ACVF
$149M
| $6.41M | ﹤0.01% |
542,700
+241,700
| +80% | +$12M |
|
1602
PUT
Fidelity Wise Origin Bitcoin Fund
FBTC
$12.1B
| $6.39M | ﹤0.01% |
108,300
-3,000
| -3% | -$200K |
|
1603
CALL
Fluence Energy
FLNC
$1.9B
| $6.38M | ﹤0.01% |
463,600
-63,000
| -12% | -$1.26M |
|
1604
CALL
Sigma Lithium
SGML
$1.14B
| $6.36M | ﹤0.01% |
515,600
+392,600
| +319% | +$5.02M |
|
1605
PUT
AvalonBay Communities
AVB
$27.3B
| $6.34M | ﹤0.01% |
38,800
+11,100
| +40% | +$1.94M |
|
1606
PUT
Crown Castle
CCI
$34.1B
| $6.31M | ﹤0.01% |
77,600
+3,600
| +5% | +$310K |
|
1607
Automatic Data Processing
ADP
$102B
| $6.3M | ﹤0.01% |
30,994
+19,799
| +177% | +$4.54M |
|
1608
PUT
SoundHound AI
SOUN
$2.75B
| $6.29M | ﹤0.01% |
915,100
-187,500
| -17% | -$1.62M |
|
1609
PUT
Calumet Specialty Products
CLMT
$3.79B
| $6.29M | ﹤0.01% |
175,100
+60,900
| +53% | +$1.58M |
|
1610
PUT
OneMain Financial
OMF
$6.95B
| $6.28M | ﹤0.01% |
117,400
+57,300
| +95% | +$3.4M |
|
1611
CALL
Xenon Pharmaceuticals
XENE
$6.38B
| $6.27M | ﹤0.01% |
107,900
+43,300
| +67% | +$2M |
|
|
NVMI
1612
CALL
Nova
NVMI
$13.8B
| $6.25M | ﹤0.01% |
+14,400
| New | +$6.34M |
|
1613
Modine Manufacturing
MOD
$12.1B
| $6.25M | ﹤0.01% |
28,828
+17,313
| +150% | +$3.26M |
|
1614
PUT
AerCap
AER
$23.4B
| $6.24M | ﹤0.01% |
45,500
+2,900
| +7% | +$415K |
|
1615
CVS Health
CVS
$137B
| $6.22M | ﹤0.01% |
86,636
-46,975
| -35% | -$3.62M |
|
1616
PUT
First Citizens BancShares
FCNCA
$24.1B
| $6.22M | ﹤0.01% |
+3,300
| New | +$6.62M |
|
1617
Union Pacific
UNP
$176B
| $6.22M | ﹤0.01% |
+25,623
| New | +$6.27M |
|
1618
PUT
United States Brent Oil Fund
BNO
$764M
| $6.21M | ﹤0.01% |
+119,400
| New | +$4.43M |
|
|
RGTX
1619
PUT
Defiance Daily Target 2X Long RGTI ETF
RGTX
$48.7M
| $6.21M | ﹤0.01% |
+309,100
| New | +$10.1M |
|
|
GAP
1620
PUT
The Gap Inc
GAP
$7.16B
| $6.19M | ﹤0.01% |
255,700
+2,600
| +1% | +$68.8K |
|
1621
PUT
Celanese
CE
$4.89B
| $6.18M | ﹤0.01% |
93,900
-27,500
| -23% | -$1.44M |
|
1622
PUT
O'Reilly Automotive
ORLY
$70.1B
| $6.16M | ﹤0.01% |
66,700
-30,200
| -31% | -$2.83M |
|
1623
CALL
Woodward
WWD
$23.3B
| $6.16M | ﹤0.01% |
17,200
+2,200
| +15% | +$792K |
|
1624
CALL
Silicon Motion
SIMO
$8.57B
| $6.14M | ﹤0.01% |
54,700
+35,900
| +191% | +$4.36M |
|
|
ECHO
1625
EchoStar
ECHO
$26.2B
| $6.14M | ﹤0.01% |
52,406
-121,123
| -70% | -$13.9M |
|
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.