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 | |
|---|---|---|---|---|---|---|
|
NXDR
5426
PUT
Nextdoor Holdings
NXDR
$847M
| $73.1K | ﹤0.01% |
+52,200
| New | +$90.7K |
|
5427
PUT
Blink Charging
BLNK
$79.6M
| $72.3K | ﹤0.01% |
+127,600
| New | +$89.9K |
|
5428
Valens Semiconductor
VLN
$186M
| $72.3K | ﹤0.01% |
+63,967
| New | +$100K |
|
5429
Westwater Resources
WWR
$53.1M
| $71.9K | ﹤0.01% |
+109,951
| New | +$99K |
|
|
HUYA
5430
PUT
Huya Inc
HUYA
$551M
| $71.6K | ﹤0.01% |
+21,700
| New | +$80K |
|
|
ACRE
5431
CALL
Ares Commercial Real Estate
ACRE
$251M
| $71.5K | ﹤0.01% |
+14,900
| New | +$74.7K |
|
5432
CALL
Vista Gold
VGZ
$250M
| $71.3K | ﹤0.01% |
+36,400
| New | +$86.1K |
|
5433
PUT
ProFrac Holding
ACDC
$823M
| $71.3K | ﹤0.01% |
+11,500
| New | +$61.6K |
|
5434
Sabre
SABR
$668M
| $71.2K | ﹤0.01% |
+49,098
| New | +$65.3K |
|
5435
Veritone
VERI
$98.5M
| $71.1K | ﹤0.01% |
36,114
-56,431
| -61% | -$191K |
|
5436
Baytex Energy
BTE
$3.13B
| $71.1K | ﹤0.01% |
+15,900
| New | +$58.7K |
|
5437
CALL
MannKind Corp
MNKD
$1.2B
| $70.6K | ﹤0.01% |
28,800
-11,100
| -28% | -$49.5K |
|
5438
OraSure Technologies
OSUR
$277M
| $70.6K | ﹤0.01% |
+23,517
| New | +$67K |
|
5439
CALL
1-800-Flowers.com
FLWS
$249M
| $70.2K | ﹤0.01% |
+23,100
| New | +$86.5K |
|
|
UXRP
5440
Proshares Ultra XRP ETF
UXRP
$28.8M
| $70.2K | ﹤0.01% |
+3,803
| New | +$122K |
|
|
HPP
5441
PUT
Hudson Pacific Properties
HPP
$807M
| $69.7K | ﹤0.01% |
+11,800
| New | +$90.6K |
|
5442
PUT
SES AI
SES
$198M
| $69.6K | ﹤0.01% |
+72,300
| New | +$123K |
|
5443
PUT
Lloyds Banking Group
LYG
$87B
| $69.4K | ﹤0.01% |
+13,800
| New | +$75.7K |
|
5444
CALL
TRX Gold Corp
TRX
$265M
| $69K | ﹤0.01% |
+46,000
| New | +$67.9K |
|
|
5445
Lloyds Banking Group
LYG
$87B
| $68.9K | ﹤0.01% |
+13,703
| New | +$75.2K |
|
|
FIRY
5446
PUT
Firy Inc
FIRY
$126M
| $68.9K | ﹤0.01% |
+26,600
| New | +$95K |
|
|
AGNT
5447
PUT
AGNT Inc
AGNT
$636M
| $68.9K | ﹤0.01% |
+11,500
| New | +$88.9K |
|
5448
CALL
NET Power
NPWR
$130M
| $68.6K | ﹤0.01% |
+44,000
| New | +$93.9K |
|
5449
Atomera
ATOM
$216M
| $68.1K | ﹤0.01% |
+17,873
| New | +$67.4K |
|
|
5450
SES AI
SES
$198M
| $68.1K | ﹤0.01% |
+70,776
| New | +$120K |
|
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.