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 | |
|---|---|---|---|---|---|---|
3426
CALL
Jacobs Solutions
J
$15.4B
| $866K | ﹤0.01% |
6,800
-15,100
| -69% | -$2.05M |
|
3427
Zions Bancorporation
ZION
$10.3B
| $865K | ﹤0.01% |
15,007
-8,144
| -35% | -$480K |
|
3428
Newell Brands
NWL
$2.29B
| $864K | ﹤0.01% |
252,007
-71,815
| -22% | -$302K |
|
3429
CALL
Hyatt Hotels
H
$17.6B
| $863K | ﹤0.01% |
+6,000
| New | +$952K |
|
3430
PUT
Groupon
GRPN
$1.06B
| $862K | ﹤0.01% |
72,400
-105,500
| -59% | -$1.41M |
|
3431
PUT
Synaptics
SYNA
$4.71B
| $861K | ﹤0.01% |
12,300
-11,600
| -49% | -$942K |
|
3432
GraniteShares 2x Long MSFT Daily ETF
MSFL
$127M
| $861K | ﹤0.01% |
56,500
+45,559
| +416% | +$913K |
|
3433
PUT
Invesco
IVZ
$13.5B
| $860K | ﹤0.01% |
35,400
-18,600
| -34% | -$487K |
|
3434
PUT
Senseonics Holdings Inc
SENS
$254M
| $858K | ﹤0.01% |
128,800
+1,800
| +1% | +$12.7K |
|
3435
Park Hotels & Resorts
PK
$3.03B
| $857K | ﹤0.01% |
+81,391
| New | +$899K |
|
3436
CALL
V2X
VVX
$2.54B
| $856K | ﹤0.01% |
+12,500
| New | +$845K |
|
3437
CALL
Coursera
COUR
$1.53B
| $856K | ﹤0.01% |
147,100
+47,100
| +47% | +$294K |
|
3438
PUT
Iridium Communications
IRDM
$4.97B
| $854K | ﹤0.01% |
30,800
-10,100
| -25% | -$227K |
|
3439
PUT
Labcorp
LH
$23.1B
| $854K | ﹤0.01% |
3,200
-8,500
| -73% | -$2.3M |
|
3440
PUT
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$264M
| $852K | ﹤0.01% |
+13,600
| New | +$931K |
|
|
CMBT
3441
CALL
CMB.TECH NV
CMBT
$4.45B
| $850K | ﹤0.01% |
67,200
+41,100
| +157% | +$515K |
|
3442
Teucrium Wheat Fund
WEAT
$324M
| $850K | ﹤0.01% |
36,046
+24,941
| +225% | +$537K |
|
3443
CALL
Installed Building Products
IBP
$6.06B
| $848K | ﹤0.01% |
+3,200
| New | +$958K |
|
3444
Abbott
ABT
$175B
| $848K | ﹤0.01% |
+8,264
| New | +$933K |
|
3445
CALL
Camping World
CWH
$398M
| $848K | ﹤0.01% |
124,200
+36,700
| +42% | +$378K |
|
3446
PUT
ADMA Biologics
ADMA
$1.94B
| $848K | ﹤0.01% |
94,100
+3,500
| +4% | +$55.2K |
|
3447
PUT
Clover Health Investments
CLOV
$2.46B
| $845K | ﹤0.01% |
480,200
-26,300
| -5% | -$57K |
|
3448
Halozyme
HALO
$9.23B
| $845K | ﹤0.01% |
+13,072
| New | +$922K |
|
3449
PUT
Power Integrations
POWI
$4.04B
| $845K | ﹤0.01% |
16,500
+4,200
| +34% | +$193K |
|
|
GLDB
3450
CALL
IDX Alternative FIAT ETF
GLDB
$34.8M
| $845K | ﹤0.01% |
456,200
+187,100
| +70% | +$4.7M |
|
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.