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 | |
|---|---|---|---|---|---|---|
|
TBXU
676
CALL
Direxion Daily Biotech Top 5 Bull 2X ETF
TBXU
$2.4M
| $30.9M | 0.01% |
+764,600
| New | +$25.2M |
|
677
CALL
Jabil
JBL
$33.5B
| $30.8M | 0.01% |
115,800
-8,200
| -7% | -$2.07M |
|
678
PUT
Cipher Digital
CIFR
$9.33B
| $30.6M | 0.01% |
2,374,200
+170,700
| +8% | +$2.7M |
|
679
PUT
Ross Stores
ROST
$76.2B
| $30.5M | 0.01% |
140,700
-9,700
| -6% | -$1.93M |
|
680
CALL
Prologis
PLD
$140B
| $30.4M | 0.01% |
230,200
+75,900
| +49% | +$10.1M |
|
681
CALL
Advance Auto Parts
AAP
$3.34B
| $30.1M | 0.01% |
571,300
+60,900
| +12% | +$3.05M |
|
682
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46B
| $30M | 0.01% |
64,819
+15,692
| +32% | +$7.6M |
|
683
CALL
Fabrinet
FN
$18.9B
| $29.9M | 0.01% |
57,400
+41,100
| +252% | +$20.9M |
|
684
PUT
Generac Holdings
GNRC
$12.8B
| $29.9M | 0.01% |
153,200
+39,400
| +35% | +$7.57M |
|
685
PUT
Halliburton
HAL
$27.7B
| $29.9M | 0.01% |
766,500
-81,400
| -10% | -$2.82M |
|
686
PUT
Applied Digital
APLD
$8.55B
| $29.8M | 0.01% |
1,256,900
-72,700
| -5% | -$2.28M |
|
687
CALL
Southwest Airlines
LUV
$23.7B
| $29.8M | 0.01% |
792,800
+352,000
| +80% | +$15.9M |
|
688
CALL
Realty Income
O
$60.6B
| $29.8M | 0.01% |
486,700
+184,500
| +61% | +$11.5M |
|
689
PUT
Howmet Aerospace
HWM
$111B
| $29.8M | 0.01% |
129,200
-138,500
| -52% | -$32.3M |
|
690
PUT
Biogen
BIIB
$30B
| $29.8M | 0.01% |
162,300
+48,600
| +43% | +$8.96M |
|
691
CALL
American Electric Power
AEP
$71B
| $29.7M | 0.01% |
226,900
+24,600
| +12% | +$3.08M |
|
692
CALL
Vanguard Information Technology ETF
VGT
$142B
| $29.6M | 0.01% |
339,200
-116,000
| -25% | -$10.7M |
|
|
NVO
693
Novo Nordisk
NVO
$218B
| $29.5M | 0.01% |
802,198
+694,983
| +648% | +$32.9M |
|
694
CALL
Avis
CAR
$5.65B
| $29.3M | 0.01% |
200,800
-346,500
| -63% | -$39.5M |
|
695
PUT
Lithia Motors
LAD
$7.51B
| $29.2M | 0.01% |
117,100
+96,400
| +466% | +$28.6M |
|
696
CALL
Kratos Defense & Security Solutions
KTOS
$8.96B
| $29.2M | 0.01% |
414,300
+120,100
| +41% | +$11.5M |
|
697
CALL
Clorox
CLX
$11.6B
| $29.2M | 0.01% |
281,800
+51,000
| +22% | +$5.78M |
|
698
PUT
Atlassian
TEAM
$23B
| $29.2M | 0.01% |
427,700
+145,000
| +51% | +$14.3M |
|
699
PUT
Hecla Mining
HL
$10.2B
| $29.1M | 0.01% |
1,564,500
+620,100
| +66% | +$14M |
|
|
700
CALL
Ross Stores
ROST
$76.2B
| $29.1M | 0.01% |
134,300
-28,400
| -17% | -$5.66M |
|
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.