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 | |
|---|---|---|---|---|---|---|
4651
PUT
Saic
SAIC
$5.03B
| $285K | ﹤0.01% |
+3,000
| New | +$294K |
|
4652
Organon & Co
OGN
$3.55B
| $285K | ﹤0.01% |
+47,531
| New | +$358K |
|
4653
PUT
Jack Henry & Associates
JKHY
$10.7B
| $284K | ﹤0.01% |
+1,800
| New | +$308K |
|
4654
PUT
Radware
RDWR
$1.24B
| $284K | ﹤0.01% |
+10,800
| New | +$269K |
|
4655
Vanguard FTSE Developed Markets ETF
VEA
$226B
| $284K | ﹤0.01% |
+4,429
| New | +$292K |
|
4656
PUT
Microvast
MVST
$267M
| $284K | ﹤0.01% |
189,100
+65,300
| +53% | +$157K |
|
4657
PUT
Jazz Pharmaceuticals
JAZZ
$15.9B
| $284K | ﹤0.01% |
+1,500
| New | +$262K |
|
4658
CALL
Takeda Pharmaceutical
TAK
$55.1B
| $283K | ﹤0.01% |
15,300
-8,700
| -36% | -$153K |
|
|
ECG
4659
PUT
Everus Construction Group
ECG
$6.63B
| $283K | ﹤0.01% |
+2,400
| New | +$248K |
|
|
NMAX
4660
Newsmax Inc
NMAX
$969M
| $283K | ﹤0.01% |
54,243
+12,860
| +31% | +$86.7K |
|
4661
Yelp
YELP
$1.38B
| $283K | ﹤0.01% |
+11,440
| New | +$290K |
|
4662
PUT
Global Ship Lease
GSL
$1.57B
| $283K | ﹤0.01% |
+7,600
| New | +$286K |
|
4663
Gartner
IT
$9.41B
| $282K | ﹤0.01% |
+1,784
| New | +$328K |
|
4664
PUT
One Stop Systems
OSS
$309M
| $282K | ﹤0.01% |
+37,300
| New | +$348K |
|
4665
CALL
SandRidge Energy
SD
$510M
| $282K | ﹤0.01% |
17,300
-5,400
| -24% | -$87.5K |
|
|
4666
CALL
Microvast
MVST
$267M
| $282K | ﹤0.01% |
188,100
+10,900
| +6% | +$26.3K |
|
4667
PUT
Petco
WOOF
$745M
| $282K | ﹤0.01% |
101,400
-19,500
| -16% | -$54K |
|
4668
CALL
GoPro
GPRO
$116M
| $281K | ﹤0.01% |
364,900
+97,100
| +36% | +$97.6K |
|
4669
CALL
Kinetik
KNTK
$3.71B
| $281K | ﹤0.01% |
+5,800
| New | +$247K |
|
|
CRCA
4670
PUT
ProShares Ultra CRCL
CRCA
$81.8M
| $281K | ﹤0.01% |
+6,800
| New | +$282K |
|
4671
PUT
Spire Global
SPIR
$425M
| $281K | ﹤0.01% |
+22,300
| New | +$238K |
|
4672
CALL
Alkami Technology
ALKT
$1.8B
| $280K | ﹤0.01% |
+17,900
| New | +$330K |
|
4673
PUT
Armstrong World Industries
AWI
$6.86B
| $280K | ﹤0.01% |
+1,700
| New | +$311K |
|
4674
CALL
Future Fuel
FF
$204M
| $280K | ﹤0.01% |
+72,700
| New | +$273K |
|
|
CIM
4675
PUT
Chimera Investment
CIM
$1.05B
| $280K | ﹤0.01% |
22,300
-2,000
| -8% | -$26.1K |
|
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.