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 | |
|---|---|---|---|---|---|---|
4001
CALL
Essential Properties Realty Trust
EPRT
$6.94B
| $519K | ﹤0.01% |
+17,100
| New | +$542K |
|
4002
PUT
Diodes
DIOD
$4.26B
| $519K | ﹤0.01% |
+7,600
| New | +$479K |
|
4003
MKS Inc
MKSI
$23.3B
| $519K | ﹤0.01% |
+2,257
| New | +$510K |
|
4004
PUT
Tenaris
TS
$29B
| $518K | ﹤0.01% |
+8,900
| New | +$438K |
|
|
CRWU
4005
T-REX 2X Long CRWV Daily Target ETF
CRWU
$31.7M
| $518K | ﹤0.01% |
+116,840
| New | +$770K |
|
4006
CALL
LSB Industries
LXU
$878M
| $517K | ﹤0.01% |
34,700
-1,100
| -3% | -$12.5K |
|
4007
Direxion Daily MSCI Emerging Markets Bull 3X ETF
EDC
$156M
| $517K | ﹤0.01% |
+9,231
| New | +$609K |
|
4008
PUT
Coursera
COUR
$1.54B
| $516K | ﹤0.01% |
88,700
+56,400
| +175% | +$352K |
|
|
MASI
4009
PUT
DELISTED
Masimo
MASI
| $516K | ﹤0.01% |
+2,900
| New | +$455K |
|
4010
PUT
Procure Space ETF
UFO
$630M
| $515K | ﹤0.01% |
+11,500
| New | +$517K |
|
4011
CALL
Allison Transmission
ALSN
$9.92B
| $515K | ﹤0.01% |
+4,400
| New | +$500K |
|
4012
MBIA
MBI
$293M
| $514K | ﹤0.01% |
86,994
+51,881
| +148% | +$331K |
|
4013
PUT
BBVA Argentina
BBAR
$3.85B
| $514K | ﹤0.01% |
32,000
+17,100
| +115% | +$284K |
|
4014
Direxion Daily Energy Bull 2X ETF
ERX
$247M
| $513K | ﹤0.01% |
+4,984
| New | +$399K |
|
|
TSSI
4015
TSS Inc
TSSI
$294M
| $513K | ﹤0.01% |
39,429
+6,136
| +18% | +$61.8K |
|
4016
CALL
Newell Brands
NWL
$2.14B
| $513K | ﹤0.01% |
149,500
-122,000
| -45% | -$512K |
|
4017
CALL
NewMarket
NEU
$7.08B
| $513K | ﹤0.01% |
+800
| New | +$519K |
|
4018
CALL
Sabre
SABR
$672M
| $512K | ﹤0.01% |
353,300
+95,200
| +37% | +$127K |
|
4019
CALL
ProShares Ultra Bitcoin ETF
BITU
$362M
| $511K | ﹤0.01% |
43,900
-51,800
| -54% | -$837K |
|
4020
PUT
Virtu Financial
VIRT
$5.19B
| $510K | ﹤0.01% |
11,600
-500
| -4% | -$19.5K |
|
4021
CALL
Xerox
XRX
$341M
| $509K | ﹤0.01% |
394,900
+118,500
| +43% | +$234K |
|
4022
PUT
Telephone and Data Systems
TDS
$3.83B
| $509K | ﹤0.01% |
12,100
-500
| -4% | -$22K |
|
4023
Ecopetrol
EC
$33.6B
| $509K | ﹤0.01% |
+33,948
| New | +$430K |
|
|
EU
4024
CALL
enCore Energy
EU
$237M
| $508K | ﹤0.01% |
282,300
+107,600
| +62% | +$275K |
|
4025
PUT
Evergy
EVRG
$20B
| $508K | ﹤0.01% |
6,200
-4,300
| -41% | -$340K |
|
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.