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 | |
|---|---|---|---|---|---|---|
|
AVDL
5701
PUT
DELISTED
Avadel Pharmaceuticals
AVDL
| – | – |
-11,900
| Closed | -$256K |
|
5702
Avery Dennison
AVY
$11.9B
| – | – |
-55,500
| Closed | -$10.2M |
|
5703
Axogen
AXGN
$2.14B
| – | – |
-12,935
| Closed | -$423K |
|
5704
PUT
Axalta
AXTA
$6.95B
| – | – |
-38,700
| Closed | -$1.25M |
|
5705
Boeing
BA
$161B
| – | – |
-153,620
| Closed | -$35M |
|
5706
Booz Allen Hamilton
BAH
$7.66B
| – | – |
-16,127
| Closed | -$1.36M |
|
5707
Ball Corp
BALL
$16.7B
| – | – |
-15,064
| Closed | -$916K |
|
5708
Build-A-Bear
BBW
$426M
| – | – |
-24,938
| Closed | -$1.31M |
|
5709
Biogen
BIIB
$30B
| – | – |
-19,011
| Closed | -$3.5M |
|
5710
BILL Holdings
BILL
$4.41B
| – | – |
-22,899
| Closed | -$1.02M |
|
5711
2x Bitcoin ETF
BITX
$987M
| – | – |
-110,028
| Closed | -$2.24M |
|
5712
BJs Wholesale Club
BJ
$11.8B
| – | – |
-23,982
| Closed | -$2.31M |
|
5713
Innovator US Equity Buffer ETF June
BJUN
$313M
| – | – |
-15,052
| Closed | -$704K |
|
|
BNY
5714
Bank of New York Mellon
BNY
$109B
| – | – |
-16,701
| Closed | -$1.99M |
|
5715
BlackSky Technology
BKSY
$876M
| – | – |
-28,066
| Closed | -$671K |
|
5716
Bristol-Myers Squibb
BMY
$124B
| – | – |
-45,935
| Closed | -$2.68M |
|
5717
Berkshire Hathaway Class B
BRK.B
$1.06T
| – | – |
-55,225
| Closed | -$27.1M |
|
5718
Boyd Gaming
BYD
$6.48B
| – | – |
-17,260
| Closed | -$1.45M |
|
5719
CALL
Kanzhun
BZ
$7.05B
| – | – |
-11,200
| Closed | -$228K |
|
5720
Citigroup
C
$223B
| – | – |
-92,211
| Closed | -$10.5M |
|
5721
Cal-Maine
CALM
$4.13B
| – | – |
-12,944
| Closed | -$1.06M |
|
5722
Avis
CAR
$5.73B
| – | – |
-79,357
| Closed | -$9.05M |
|
5723
Crown Holdings
CCK
$13.2B
| – | – |
-20,033
| Closed | -$2.14M |
|
5724
Celanese
CE
$5.09B
| – | – |
-31,868
| Closed | -$1.66M |
|
|
CFLT
5725
CALL
DELISTED
Confluent
CFLT
| – | – |
-694,200
| Closed | -$21M |
|
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.