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 | |
|---|---|---|---|---|---|---|
2651
CALL
Fox Class A
FOXA
$24.1B
| $1.84M | ﹤0.01% |
31,500
+5,000
| +19% | +$319K |
|
2652
NRG Energy
NRG
$28.1B
| $1.84M | ﹤0.01% |
+12,582
| New | +$1.98M |
|
2653
CALL
Leonardo DRS
DRS
$12.2B
| $1.84M | ﹤0.01% |
41,300
-15,900
| -28% | -$670K |
|
2654
Ivanhoe Electric
IE
$1.45B
| $1.84M | ﹤0.01% |
+155,362
| New | +$2.43M |
|
2655
PUT
AutoNation
AN
$6.65B
| $1.84M | ﹤0.01% |
+9,400
| New | +$1.9M |
|
2656
CALL
ENI
E
$72.6B
| $1.83M | ﹤0.01% |
+32,400
| New | +$1.45M |
|
|
MDLN
2657
CALL
Medline Inc
MDLN
$33.5B
| $1.83M | ﹤0.01% |
41,200
+30,700
| +292% | +$1.36M |
|
|
TGB
2658
CALL
Trekor Metals
TGB
$2.83B
| $1.83M | ﹤0.01% |
284,200
+129,700
| +84% | +$942K |
|
2659
PUT
Entergy
ETR
$52.3B
| $1.83M | ﹤0.01% |
+16,300
| New | +$1.64M |
|
2660
CALL
Everest Group
EG
$14.9B
| $1.83M | ﹤0.01% |
+5,600
| New | +$1.84M |
|
2661
CALL
Ericsson
ERIC
$31.5B
| $1.83M | ﹤0.01% |
162,000
+2,000
| +1% | +$21.7K |
|
|
NB
2662
CALL
NioCorp Developments
NB
$648M
| $1.83M | ﹤0.01% |
409,300
-900
| -0.2% | -$5.16K |
|
2663
CALL
Medpace
MEDP
$15.2B
| $1.82M | ﹤0.01% |
+3,800
| New | +$1.95M |
|
|
YBIT
2664
CALL
YieldMax Bitcoin Option Income Strategy ETF
YBIT
$36.8M
| $1.82M | ﹤0.01% |
82,000
+16,500
| +25% | +$456K |
|
2665
Monster Beverage
MNST
$92.9B
| $1.82M | ﹤0.01% |
25,136
+9,279
| +59% | +$732K |
|
|
KC
2666
CALL
Kingsoft Cloud Holdings
KC
$3.03B
| $1.82M | ﹤0.01% |
136,300
+112,100
| +463% | +$1.46M |
|
2667
CALL
Middleby
MIDD
$5.92B
| $1.82M | ﹤0.01% |
+13,700
| New | +$2.08M |
|
2668
Wayfair
W
$11.3B
| $1.82M | ﹤0.01% |
24,137
-18,070
| -43% | -$1.63M |
|
2669
PUT
Kyndryl
KD
$2.66B
| $1.81M | ﹤0.01% |
138,300
-23,000
| -14% | -$405K |
|
|
HNGE
2670
PUT
Hinge Health
HNGE
$6.52B
| $1.81M | ﹤0.01% |
47,000
+23,300
| +98% | +$968K |
|
|
ONC
2671
CALL
BeOne Medicines Ltd
ONC
$32.8B
| $1.81M | ﹤0.01% |
+6,100
| New | +$1.97M |
|
2672
HSBC
HSBC
$348B
| $1.81M | ﹤0.01% |
+21,948
| New | +$1.86M |
|
2673
PUT
Avista
AVA
$3.43B
| $1.81M | ﹤0.01% |
+45,100
| New | +$1.82M |
|
2674
PUT
ASP Isotopes
ASPI
$543M
| $1.81M | ﹤0.01% |
408,900
-109,900
| -21% | -$650K |
|
2675
PUT
Herbalife
HLF
$1.25B
| $1.81M | ﹤0.01% |
122,700
-75,300
| -38% | -$1.23M |
|
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.