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 | |
|---|---|---|---|---|---|---|
3626
CALL
Macerich
MAC
$7.27B
| $716K | ﹤0.01% |
37,900
-20,300
| -35% | -$385K |
|
3627
CALL
Ivanhoe Electric
IE
$1.49B
| $716K | ﹤0.01% |
60,600
+15,300
| +34% | +$240K |
|
3628
PUT
Direxion Daily S&P Biotech Bear 3X ETF
LABD
$60.5M
| $716K | ﹤0.01% |
43,900
+20,600
| +88% | +$390K |
|
3629
Tetra Tech
TTEK
$7.92B
| $715K | ﹤0.01% |
+23,740
| New | +$839K |
|
3630
CALL
Innovative Solutions & Support
ISSC
$344M
| $714K | ﹤0.01% |
34,800
+22,600
| +185% | +$524K |
|
3631
PUT
Lear
LEA
$7.15B
| $714K | ﹤0.01% |
+5,900
| New | +$736K |
|
|
RZLV
3632
PUT
Rezolve AI
RZLV
$953M
| $714K | ﹤0.01% |
279,000
+111,500
| +67% | +$314K |
|
3633
Nextpower Inc
NXT
$16B
| $714K | ﹤0.01% |
+5,921
| New | +$656K |
|
|
3634
PUT
Innovative Solutions & Support
ISSC
$344M
| $712K | ﹤0.01% |
+34,700
| New | +$805K |
|
3635
PUT
CenterPoint Energy
CNP
$27.9B
| $712K | ﹤0.01% |
16,500
+900
| +6% | +$37.1K |
|
3636
PUT
Federal Realty Investment Trust
FRT
$10.8B
| $712K | ﹤0.01% |
+6,700
| New | +$700K |
|
3637
PUT
ARK Web x.0 ETF
ARKW
$1.76B
| $712K | ﹤0.01% |
+5,900
| New | +$783K |
|
3638
TripAdvisor
TRIP
$1.61B
| $711K | ﹤0.01% |
66,707
+47,285
| +243% | +$551K |
|
|
CALY
3639
PUT
Callaway Golf Company
CALY
$3.3B
| $709K | ﹤0.01% |
51,100
-18,200
| -26% | -$255K |
|
3640
CALL
NiSource
NI
$21.8B
| $709K | ﹤0.01% |
+15,200
| New | +$685K |
|
3641
CALL
Brookfield Renewable
BEPC
$6.23B
| $709K | ﹤0.01% |
17,800
-6,400
| -26% | -$261K |
|
|
NTSK
3642
PUT
Netskope Inc
NTSK
$5.38B
| $709K | ﹤0.01% |
83,500
+42,100
| +102% | +$523K |
|
3643
Bowman Consulting
BWMN
$462M
| $708K | ﹤0.01% |
+24,900
| New | +$811K |
|
3644
PUT
Build-A-Bear
BBW
$426M
| $708K | ﹤0.01% |
18,900
-13,600
| -42% | -$716K |
|
|
ORLA
3645
PUT
Orla Mining
ORLA
$3.4B
| $706K | ﹤0.01% |
43,800
-1,700
| -4% | -$28.2K |
|
3646
PUT
SiteOne Landscape Supply
SITE
$4.51B
| $705K | ﹤0.01% |
+5,300
| New | +$749K |
|
|
EH
3647
PUT
EHang Holdings
EH
$403M
| $705K | ﹤0.01% |
72,600
-5,500
| -7% | -$67.7K |
|
3648
PUT
MakeMyTrip
MMYT
$5.36B
| $705K | ﹤0.01% |
+18,900
| New | +$1.09M |
|
3649
PUT
Oxford Industries
OXM
$608M
| $705K | ﹤0.01% |
18,300
-500
| -3% | -$18.9K |
|
3650
PUT
LoveSac
LOVE
$257M
| $705K | ﹤0.01% |
47,700
+34,000
| +248% | +$450K |
|
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.