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 | |
|---|---|---|---|---|---|---|
5476
PUT
AirSculpt Technologies
AIRS
$329M
| $62.5K | ﹤0.01% |
+22,100
| New | +$51.5K |
|
5477
CALL
Gray Television
GTN
$400M
| $62.5K | ﹤0.01% |
+14,400
| New | +$67.6K |
|
5478
PUT
Westwater Resources
WWR
$53.1M
| $62.4K | ﹤0.01% |
+95,400
| New | +$85.9K |
|
|
INV
5479
Innventure Inc
INV
$250M
| $62.1K | ﹤0.01% |
+15,894
| New | +$56.1K |
|
|
FIRY
5480
CALL
Firy Inc
FIRY
$126M
| $61.9K | ﹤0.01% |
+23,900
| New | +$85.4K |
|
5481
CALL
Red Robin
RRGB
$132M
| $61.8K | ﹤0.01% |
+21,100
| New | +$79.2K |
|
5482
PUT
American Well
AMWL
$180M
| $61.5K | ﹤0.01% |
+11,700
| New | +$60.1K |
|
5483
Wrap Technologies
WRAP
$100M
| $61.4K | ﹤0.01% |
+39,883
| New | +$78.6K |
|
5484
PUT
Cadiz
CDZI
$269M
| $61.4K | ﹤0.01% |
+12,500
| New | +$68.3K |
|
|
BZUN
5485
PUT
Baozun
BZUN
$143M
| $61.2K | ﹤0.01% |
+25,600
| New | +$66.6K |
|
5486
Vista Gold
VGZ
$250M
| $60.5K | ﹤0.01% |
+30,885
| New | +$73K |
|
5487
PUT
Atomera
ATOM
$216M
| $59.4K | ﹤0.01% |
+15,600
| New | +$58.8K |
|
5488
CALL
ICL Group
ICL
$6.84B
| $59.1K | ﹤0.01% |
+11,400
| New | +$61K |
|
5489
CALL
Unisys
UIS
$238M
| $59K | ﹤0.01% |
+28,500
| New | +$71.5K |
|
5490
Designer Brands
DBI
$272M
| $58.5K | ﹤0.01% |
+10,282
| New | +$69.1K |
|
|
LX
5491
CALL
LexinFintech Holdings
LX
$241M
| $58.4K | ﹤0.01% |
+26,800
| New | +$75.2K |
|
|
SRG
5492
Seritage Growth Properties
SRG
$130M
| $58.1K | ﹤0.01% |
+20,667
| New | +$64.6K |
|
5493
CALL
Comstock
LODE
$295M
| $57.3K | ﹤0.01% |
+18,800
| New | +$61.5K |
|
5494
CALL
Baytex Energy
BTE
$3.13B
| $57.2K | ﹤0.01% |
+12,800
| New | +$47.2K |
|
|
TGEN
5495
CALL
Tecogen Inc
TGEN
$102M
| $57.1K | ﹤0.01% |
+22,300
| New | +$81.9K |
|
|
SFIX
5496
Stitch Fix
SFIX
$471M
| $56.6K | ﹤0.01% |
+17,094
| New | +$69.7K |
|
|
NFGC
5497
CALL
New Found Gold
NFGC
$553M
| $56.5K | ﹤0.01% |
+29,100
| New | +$78.1K |
|
5498
PUT
FerroAtlántica
GSM
$626M
| $56K | ﹤0.01% |
+13,600
| New | +$65.5K |
|
5499
PUT
Community Health Systems
CYH
$392M
| $55.6K | ﹤0.01% |
+18,900
| New | +$61.2K |
|
5500
PUT
Gogo Inc
GOGO
$510M
| $55.5K | ﹤0.01% |
13,800
-64,600
| -82% | -$294K |
|
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.