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 | |
|---|---|---|---|---|---|---|
3001
PUT
Vital Farms
VITL
$562M
| $1.31M | ﹤0.01% |
92,700
+70,500
| +318% | +$1.67M |
|
|
UPSX
3002
CALL
Tradr 2X Long UPST Daily ETF
UPSX
$21.9M
| $1.31M | ﹤0.01% |
+35,900
| New | +$1.14M |
|
3003
CALL
Mueller Industries
MLI
$13.8B
| $1.31M | ﹤0.01% |
+23,600
| New | +$1.42M |
|
3004
PUT
Axcelis
ACLS
$4.4B
| $1.3M | ﹤0.01% |
14,000
-10,800
| -44% | -$956K |
|
3005
PUT
Marriott Vacations Worldwide
VAC
$3.36B
| $1.3M | ﹤0.01% |
20,000
+3,900
| +24% | +$242K |
|
3006
CALL
Axos Financial
AX
$5.54B
| $1.3M | ﹤0.01% |
15,300
-5,000
| -25% | -$456K |
|
3007
PUT
Cedar Fair
FUN
$1.8B
| $1.3M | ﹤0.01% |
73,300
-53,900
| -42% | -$910K |
|
|
KOCG
3008
CALL
DELISTED
FIS Knights of Columbus Global Belief ETF
KOCG
| $1.3M | ﹤0.01% |
26,500
+11,600
| +78% | +$569K |
|
3009
Invesco S&P SmallCap 600 Pure Growth ETF
RZG
$143M
| $1.3M | ﹤0.01% |
22,786
+2,933
| +15% | +$169K |
|
3010
CALL
Bumble
BMBL
$374M
| $1.3M | ﹤0.01% |
398,100
-30,700
| -7% | -$102K |
|
3011
PUT
Teekay Tankers
TNK
$2.62B
| $1.3M | ﹤0.01% |
+17,700
| New | +$1.18M |
|
3012
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.32B
| $1.3M | ﹤0.01% |
+20,886
| New | +$1.37M |
|
|
AEVA
3013
CALL
Aeva Technologies
AEVA
$1.21B
| $1.29M | ﹤0.01% |
98,200
+5,000
| +5% | +$74.3K |
|
3014
PUT
Aurora
AUR
$12.4B
| $1.29M | ﹤0.01% |
313,300
-74,100
| -19% | -$328K |
|
3015
CALL
Bruker
BRKR
$9.2B
| $1.29M | ﹤0.01% |
35,700
-9,700
| -21% | -$406K |
|
3016
TC Energy
TRP
$71.5B
| $1.29M | ﹤0.01% |
+20,598
| New | +$1.24M |
|
3017
CALL
MoonLake Immunotherapeutics
MLTX
$1.68B
| $1.29M | ﹤0.01% |
69,100
+1,600
| +2% | +$26.5K |
|
|
MIAX
3018
PUT
Miami International Holdings
MIAX
$4.06B
| $1.28M | ﹤0.01% |
+33,000
| New | +$1.36M |
|
3019
HDFC Bank
HDB
$122B
| $1.28M | ﹤0.01% |
+51,548
| New | +$1.6M |
|
3020
Equinor
EQNR
$89.4B
| $1.28M | ﹤0.01% |
+30,382
| New | +$916K |
|
3021
PUT
AES
AES
$10.6B
| $1.28M | ﹤0.01% |
90,700
-112,400
| -55% | -$1.67M |
|
3022
PG&E
PCG
$38.5B
| $1.28M | ﹤0.01% |
72,681
+52,843
| +266% | +$899K |
|
|
CWVX
3023
CALL
Tradr 2X Long CRWV Daily ETF
CWVX
$101M
| $1.28M | ﹤0.01% |
66,400
+50,900
| +328% | +$1.46M |
|
3024
argenx
ARGX
$54.7B
| $1.28M | ﹤0.01% |
+1,747
| New | +$1.37M |
|
3025
PUT
UWM Holdings
UWMC
$645M
| $1.27M | ﹤0.01% |
351,700
+193,700
| +123% | +$891K |
|
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.