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 | |
|---|---|---|---|---|---|---|
1001
PUT
Coeur Mining
CDE
$15.8B
| $15.2M | 0.01% |
810,000
+237,100
| +41% | +$5.16M |
|
1002
CALL
NXP Semiconductors
NXPI
$69B
| $15.2M | 0.01% |
77,100
-63,900
| -45% | -$14.2M |
|
1003
CALL
Royal Bank of Canada
RY
$293B
| $15.2M | 0.01% |
93,700
+34,700
| +59% | +$5.81M |
|
1004
CALL
AerCap
AER
$23.9B
| $15.1M | 0.01% |
110,200
+31,400
| +40% | +$4.49M |
|
1005
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27B
| $15M | 0.01% |
24,334
+3,465
| +17% | +$2.2M |
|
1006
Eaton
ETN
$156B
| $15M | 0.01% |
41,940
+24,052
| +134% | +$8.56M |
|
1007
CALL
CRISPR Therapeutics
CRSP
$4.74B
| $15M | 0.01% |
314,900
-165,000
| -34% | -$8.7M |
|
1008
PUT
Rigetti Computing
RGTI
$5.08B
| $15M | 0.01% |
1,065,600
-1,687,400
| -61% | -$31.7M |
|
1009
PUT
Cintas
CTAS
$80.2B
| $15M | 0.01% |
88,400
+52,800
| +148% | +$10.1M |
|
|
GLXY
1010
CALL
Galaxy Digital Inc
GLXY
$4.87B
| $14.9M | 0.01% |
808,700
+64,700
| +9% | +$1.54M |
|
1011
Synopsys
SNPS
$74.5B
| $14.9M | 0.01% |
37,628
-7,320
| -16% | -$3.31M |
|
1012
CALL
Sunrun
RUN
$2.73B
| $14.9M | 0.01% |
1,100,200
-509,600
| -32% | -$8.48M |
|
1013
CALL
TE Connectivity
TEL
$61B
| $14.9M | 0.01% |
71,300
+42,500
| +148% | +$9.38M |
|
1014
CALL
Symbotic
SYM
$5.45B
| $14.8M | 0.01% |
278,800
-19,600
| -7% | -$1.12M |
|
1015
CALL
GitLab
GTLB
$5.55B
| $14.8M | 0.01% |
684,300
+123,100
| +22% | +$3.6M |
|
1016
PUT
American Electric Power
AEP
$71B
| $14.8M | 0.01% |
112,800
+29,500
| +35% | +$3.69M |
|
|
1017
PUT
TE Connectivity
TEL
$61B
| $14.8M | 0.01% |
70,600
+55,100
| +355% | +$12.2M |
|
1018
CALL
Jefferies Financial Group
JEF
$13.1B
| $14.7M | 0.01% |
356,200
+175,400
| +97% | +$9.1M |
|
1019
PUT
Peabody Energy
BTU
$2.81B
| $14.7M | 0.01% |
445,600
+35,900
| +9% | +$1.25M |
|
1020
CALL
CSX Corp
CSX
$92.7B
| $14.7M | 0.01% |
357,600
+55,200
| +18% | +$2.16M |
|
1021
CALL
MGM Resorts International
MGM
$11.7B
| $14.7M | 0.01% |
396,600
-37,600
| -9% | -$1.34M |
|
1022
PUT
Crocs
CROX
$6.72B
| $14.7M | 0.01% |
176,700
-35,000
| -17% | -$3M |
|
1023
CALL
Electronic Arts
EA
$52.4B
| $14.6M | 0.01% |
71,700
+31,900
| +80% | +$6.44M |
|
1024
CALL
CRH
CRH
$66.6B
| $14.6M | 0.01% |
139,000
-36,100
| -21% | -$4.24M |
|
1025
PUT
Energy Fuels
UUUU
$3.09B
| $14.6M | 0.01% |
800,200
-140,200
| -15% | -$2.9M |
|
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.