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 | |
|---|---|---|---|---|---|---|
4676
CALL
Garrett Motion
GTX
$5.9B
| $280K | ﹤0.01% |
+15,400
| New | +$287K |
|
4677
CALL
Resideo Technologies
REZI
$5.23B
| $280K | ﹤0.01% |
+8,300
| New | +$296K |
|
4678
CALL
Black Stone Minerals
BSM
$3.11B
| $280K | ﹤0.01% |
18,500
-2,600
| -12% | -$38.6K |
|
4679
CALL
Marten Transport
MRTN
$1.33B
| $280K | ﹤0.01% |
+21,300
| New | +$273K |
|
4680
CALL
Tenable Holdings
TENB
$3.56B
| $279K | ﹤0.01% |
+16,500
| New | +$346K |
|
4681
CALL
Forward Air
FWRD
$482M
| $279K | ﹤0.01% |
16,700
-85,000
| -84% | -$2.07M |
|
4682
CALL
Legend Biotech
LEGN
$4.3B
| $279K | ﹤0.01% |
15,400
+2,500
| +19% | +$47.7K |
|
|
GRID
4683
CALL
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$11.4B
| $278K | ﹤0.01% |
+1,700
| New | +$283K |
|
4684
CALL
Relmada Therapeutics
RLMD
$544M
| $278K | ﹤0.01% |
+39,900
| New | +$189K |
|
4685
CALL
Gold Royalty Corp
GROY
$593M
| $277K | ﹤0.01% |
+77,500
| New | +$331K |
|
4686
PUT
Roivant Sciences
ROIV
$25.2B
| $277K | ﹤0.01% |
+10,000
| New | +$257K |
|
|
4687
PUT
Gold Royalty Corp
GROY
$593M
| $276K | ﹤0.01% |
77,100
+26,000
| +51% | +$111K |
|
|
ACB
4688
CALL
Aurora Cannabis
ACB
$165M
| $276K | ﹤0.01% |
84,400
-110,200
| -57% | -$416K |
|
|
4689
Gold Royalty Corp
GROY
$593M
| $276K | ﹤0.01% |
+77,078
| New | +$329K |
|
|
MOMO
4690
CALL
Hello Group
MOMO
$869M
| $276K | ﹤0.01% |
47,900
-500
| -1% | -$3.24K |
|
4691
PUT
SandRidge Energy
SD
$510M
| $276K | ﹤0.01% |
+16,900
| New | +$274K |
|
4692
CALL
NewAmsterdam Pharma
NAMS
$3.47B
| $275K | ﹤0.01% |
+8,600
| New | +$280K |
|
|
WAY
4693
PUT
Waystar Holding Corp
WAY
$4.32B
| $275K | ﹤0.01% |
+11,400
| New | +$303K |
|
4694
CALL
Ginkgo Bioworks
DNA
$481M
| $275K | ﹤0.01% |
44,800
-17,900
| -29% | -$149K |
|
4695
CALL
Equitable Holdings
EQH
$13.1B
| $275K | ﹤0.01% |
+7,400
| New | +$317K |
|
|
TE
4696
T1 Energy
TE
$1.4B
| $274K | ﹤0.01% |
62,514
-49,830
| -44% | -$365K |
|
4697
Microvast
MVST
$267M
| $274K | ﹤0.01% |
182,953
+70,495
| +63% | +$170K |
|
|
DHC
4698
CALL
Diversified Healthcare Trust
DHC
$2.26B
| $274K | ﹤0.01% |
41,300
-41,500
| -50% | -$263K |
|
4699
PUT
Evolv Technologies
EVLV
$943M
| $274K | ﹤0.01% |
45,300
-21,200
| -32% | -$124K |
|
4700
PUT
InMode
INMD
$872M
| $274K | ﹤0.01% |
20,000
-65,100
| -76% | -$928K |
|
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.