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 | |
|---|---|---|---|---|---|---|
3076
CALL
Charles River Laboratories
CRL
$10.5B
| $1.21M | ﹤0.01% |
7,000
-3,200
| -31% | -$593K |
|
3077
Goodyear
GT
$2.1B
| $1.2M | ﹤0.01% |
181,726
+51,475
| +40% | +$434K |
|
|
ARIS
3078
CALL
Aris Mining
ARIS
$3.02B
| $1.2M | ﹤0.01% |
+64,800
| New | +$1.23M |
|
3079
PUT
Expeditors International
EXPD
$23.4B
| $1.2M | ﹤0.01% |
+8,400
| New | +$1.28M |
|
3080
CALL
Vanguard Total International Stock ETF
VXUS
$155B
| $1.2M | ﹤0.01% |
+15,600
| New | +$1.24M |
|
3081
CALL
Surgery Partners
SGRY
$2.12B
| $1.2M | ﹤0.01% |
+100,800
| New | +$1.45M |
|
3082
CALL
AMN Healthcare
AMN
$1.32B
| $1.2M | ﹤0.01% |
65,500
+38,900
| +146% | +$739K |
|
3083
CALL
Kosmos Energy
KOS
$1.42B
| $1.2M | ﹤0.01% |
431,700
+128,800
| +43% | +$242K |
|
3084
CALL
Critical Metals Corp
CRML
$922M
| $1.2M | ﹤0.01% |
151,100
+19,400
| +15% | +$223K |
|
3085
PUT
Braze
BRZE
$2.75B
| $1.2M | ﹤0.01% |
50,800
+30,900
| +155% | +$668K |
|
3086
CALL
Pinnacle West Capital
PNW
$12.8B
| $1.2M | ﹤0.01% |
+11,900
| New | +$1.15M |
|
3087
CALL
Alcon
ALC
$33B
| $1.2M | ﹤0.01% |
15,900
+2,900
| +22% | +$231K |
|
3088
CALL
Mattel
MAT
$4.13B
| $1.2M | ﹤0.01% |
82,400
+19,300
| +31% | +$352K |
|
3089
PUT
Compañía de Minas Buenaventura
BVN
$7.94B
| $1.2M | ﹤0.01% |
+33,200
| New | +$1.2M |
|
3090
Newmont
NEM
$98.1B
| $1.19M | ﹤0.01% |
+11,028
| New | +$1.27M |
|
3091
PUT
Healthpeak Properties
DOC
$15.5B
| $1.19M | ﹤0.01% |
72,600
-24,900
| -26% | -$427K |
|
3092
KBR
KBR
$4.37B
| $1.19M | ﹤0.01% |
+32,326
| New | +$1.33M |
|
3093
CALL
Rhythm Pharmaceuticals
RYTM
$7.26B
| $1.19M | ﹤0.01% |
+13,700
| New | +$1.33M |
|
|
GOLD
3094
Gold.com Inc
GOLD
$1.15B
| $1.19M | ﹤0.01% |
+29,708
| New | +$1.45M |
|
3095
PUT
Yelp
YELP
$1.42B
| $1.19M | ﹤0.01% |
48,100
+24,000
| +100% | +$608K |
|
3096
Coursera
COUR
$1.53B
| $1.19M | ﹤0.01% |
+204,037
| New | +$1.27M |
|
3097
PUT
St. Joe Company
JOE
$3.48B
| $1.19M | ﹤0.01% |
18,900
+5,300
| +39% | +$355K |
|
3098
ASP Isotopes
ASPI
$533M
| $1.19M | ﹤0.01% |
268,469
-26,033
| -9% | -$154K |
|
3099
CALL
Krispy Kreme
DNUT
$547M
| $1.19M | ﹤0.01% |
349,700
-14,800
| -4% | -$51.1K |
|
|
GRRR
3100
CALL
Gorilla Technology Group
GRRR
$353M
| $1.18M | ﹤0.01% |
112,400
-20,800
| -16% | -$254K |
|
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.