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 | |
|---|---|---|---|---|---|---|
|
FRMI
2626
PUT
Fermi Inc
FRMI
$4.26B
| $1.91M | ﹤0.01% |
326,900
+213,300
| +188% | +$1.87M |
|
2627
CALL
Crown Holdings
CCK
$13.3B
| $1.9M | ﹤0.01% |
19,000
+8,200
| +76% | +$876K |
|
2628
PUT
Exelixis
EXEL
$14.1B
| $1.9M | ﹤0.01% |
44,400
+100
| +0.2% | +$4.3K |
|
2629
PUT
Plug Power
PLUG
$3.15B
| $1.9M | ﹤0.01% |
838,700
-220,300
| -21% | -$478K |
|
2630
Vanguard Information Technology ETF
VGT
$142B
| $1.89M | ﹤0.01% |
+21,720
| New | +$2M |
|
2631
CALL
BellRing Brands
BRBR
$1.48B
| $1.89M | ﹤0.01% |
117,700
+84,900
| +259% | +$1.72M |
|
2632
CALL
Box
BOX
$4.17B
| $1.89M | ﹤0.01% |
80,000
-16,900
| -17% | -$425K |
|
2633
Global X Cybersecurity ETF
BUG
$1.25B
| $1.89M | ﹤0.01% |
+75,291
| New | +$2.07M |
|
2634
PUT
Ametek
AME
$54.6B
| $1.89M | ﹤0.01% |
8,800
-10,000
| -53% | -$2.22M |
|
2635
International Paper
IP
$19.3B
| $1.89M | ﹤0.01% |
52,832
-4,937
| -9% | -$205K |
|
2636
Churchill Downs
CHDN
$5.8B
| $1.88M | ﹤0.01% |
+20,983
| New | +$1.99M |
|
2637
Aehr Test Systems
AEHR
$3.19B
| $1.88M | ﹤0.01% |
50,709
+20,471
| +68% | +$655K |
|
2638
CALL
ZTO Express
ZTO
$18.2B
| $1.88M | ﹤0.01% |
74,700
| – | – |
|
2639
PUT
Regions Financial
RF
$26.3B
| $1.88M | ﹤0.01% |
71,800
-118,200
| -62% | -$3.3M |
|
2640
CALL
Option Care Health
OPCH
$3.39B
| $1.87M | ﹤0.01% |
69,300
+42,000
| +154% | +$1.36M |
|
|
METD
2641
Direxion Daily META Bear 1X ETF
METD
$7.85M
| $1.86M | ﹤0.01% |
105,235
+39,785
| +61% | +$645K |
|
2642
CALL
Vanguard FTSE Developed Markets ETF
VEA
$228B
| $1.86M | ﹤0.01% |
29,100
+18,600
| +177% | +$1.23M |
|
2643
Forward Air
FWRD
$502M
| $1.86M | ﹤0.01% |
+111,562
| New | +$2.72M |
|
2644
CALL
Manhattan Associates
MANH
$9.42B
| $1.86M | ﹤0.01% |
+14,000
| New | +$2.1M |
|
|
APPX
2645
CALL
Tradr 2X Long APP Daily ETF
APPX
$68.6M
| $1.86M | ﹤0.01% |
105,700
+79,667
| +306% | +$3.94M |
|
2646
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.6M
| $1.86M | ﹤0.01% |
35,300
+12,400
| +54% | +$463K |
|
|
PONY
2647
CALL
Pony AI Inc
PONY
$2.98B
| $1.85M | ﹤0.01% |
196,200
-33,900
| -15% | -$467K |
|
2648
CALL
Lionsgate Studios
LION
$3.94B
| $1.85M | ﹤0.01% |
193,000
-9,500
| -5% | -$87.7K |
|
2649
Globalstar
GSAT
$10.3B
| $1.85M | ﹤0.01% |
+27,809
| New | +$1.7M |
|
2650
CALL
Vodafone
VOD
$35.1B
| $1.85M | ﹤0.01% |
+122,900
| New | +$1.8M |
|
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.