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 | |
|---|---|---|---|---|---|---|
|
B
576
CALL
Barrick Mining
B
$60.8B
| $40.7M | 0.01% |
997,800
-203,300
| -17% | -$9.39M |
|
577
CALL
Diamondback Energy
FANG
$56.1B
| $40.2M | 0.01% |
203,300
+92,900
| +84% | +$15.8M |
|
578
PUT
Cigna
CI
$76.1B
| $40.1M | 0.01% |
150,500
-18,400
| -11% | -$5.09M |
|
579
CALL
HCA Healthcare
HCA
$82.5B
| $40.1M | 0.01% |
84,800
-16,800
| -17% | -$8.46M |
|
580
PUT
Pfizer
PFE
$142B
| $40M | 0.01% |
1,422,800
+79,100
| +6% | +$2.11M |
|
581
CALL
Pan American Silver
PAAS
$18.6B
| $39.9M | 0.01% |
730,900
-88,900
| -11% | -$5.13M |
|
|
BMNR
582
BitMine Immersion Technologies
BMNR
$10.2B
| $39.7M | 0.01% |
2,007,194
+607,603
| +43% | +$14.3M |
|
583
CALL
SolarEdge
SEDG
$3.09B
| $39.5M | 0.01% |
774,600
-286,100
| -27% | -$10.8M |
|
584
CALL
US Bancorp Series B Preferred Stock
USB.PRH
$749M
| $39.4M | 0.01% |
758,100
+175,700
| +30% | +$3.32M |
|
585
CALL
Bristol-Myers Squibb
BMY
$123B
| $39.4M | 0.01% |
649,200
-1,100
| -0.2% | -$64.1K |
|
586
PUT
MP Materials
MP
$8.22B
| $39.3M | 0.01% |
814,100
-357,500
| -31% | -$21.4M |
|
587
PUT
Equinix
EQIX
$101B
| $39.1M | 0.01% |
39,900
-3,500
| -8% | -$3.11M |
|
588
CALL
Microchip Technology
MCHP
$45.1B
| $39M | 0.01% |
603,500
+5,400
| +0.9% | +$388K |
|
|
FISV
589
CALL
Fiserv Inc
FISV
$27.1B
| $38.6M | 0.01% |
691,900
+99,700
| +17% | +$6.17M |
|
590
IBM
IBM
$199B
| $38.5M | 0.01% |
158,879
-2,657
| -2% | -$719K |
|
591
PUT
American Airlines Group
AAL
$10.1B
| $38.5M | 0.01% |
3,583,400
+110,800
| +3% | +$1.47M |
|
592
PUT
AXT Inc
AXTI
$3.69B
| $38.4M | 0.01% |
673,100
+653,900
| +3,406% | +$21.7M |
|
593
CALL
Enphase Energy
ENPH
$5.33B
| $38.3M | 0.01% |
1,013,900
-254,500
| -20% | -$10.6M |
|
594
CALL
AstraZeneca
AZN
$261B
| $38.2M | 0.01% |
193,700
+53,500
| +38% | +$10.3M |
|
595
PUT
Marathon Petroleum
MPC
$92.8B
| $38M | 0.01% |
155,500
+58,900
| +61% | +$11.9M |
|
596
CALL
Dollar General
DG
$27.3B
| $37.9M | 0.01% |
319,400
-254,200
| -44% | -$36.2M |
|
597
CALL
HubSpot
HUBS
$11.1B
| $37.9M | 0.01% |
155,200
+89,400
| +136% | +$25.1M |
|
598
CALL
PNC Financial Services
PNC
$99.6B
| $37.8M | 0.01% |
181,600
-17,800
| -9% | -$3.88M |
|
599
CALL
Centene
CNC
$33.3B
| $37.5M | 0.01% |
1,145,700
-409,700
| -26% | -$16.8M |
|
600
PUT
Ferrari
RACE
$65.2B
| $37.5M | 0.01% |
110,800
+24,300
| +28% | +$8.5M |
|
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.