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 | |
|---|---|---|---|---|---|---|
1901
CALL
Public Service Enterprise Group
PEG
$38.8B
| $4.33M | ﹤0.01% |
53,500
+15,500
| +41% | +$1.27M |
|
1902
PUT
Boston Properties
BXP
$10.8B
| $4.32M | ﹤0.01% |
83,300
+38,700
| +87% | +$2.33M |
|
|
GRAL
1903
CALL
GRAIL Inc
GRAL
$2.96B
| $4.32M | ﹤0.01% |
83,600
+24,100
| +41% | +$1.87M |
|
1904
PUT
Dover
DOV
$28.2B
| $4.31M | ﹤0.01% |
20,700
+6,800
| +49% | +$1.45M |
|
1905
TeraWulf
WULF
$9.35B
| $4.3M | ﹤0.01% |
297,858
-34,866
| -10% | -$517K |
|
1906
PUT
Charles River Laboratories
CRL
$10.6B
| $4.3M | ﹤0.01% |
+24,900
| New | +$4.62M |
|
1907
Nokia
NOK
$56.3B
| $4.29M | ﹤0.01% |
533,681
+472,725
| +776% | +$3.47M |
|
1908
PUT
Aflac
AFL
$63.2B
| $4.29M | ﹤0.01% |
39,100
-4,400
| -10% | -$488K |
|
1909
Wheaton Precious Metals
WPM
$47B
| $4.29M | ﹤0.01% |
32,726
-32,938
| -50% | -$4.58M |
|
1910
PUT
Bank OZK
OZK
$5.61B
| $4.29M | ﹤0.01% |
93,400
-3,400
| -4% | -$160K |
|
1911
QuantumScape Corp
QS
$3.62B
| $4.28M | ﹤0.01% |
671,160
+15,989
| +2% | +$133K |
|
1912
PUT
Innodata
INOD
$2.03B
| $4.28M | ﹤0.01% |
110,800
+2,100
| +2% | +$105K |
|
1913
CALL
Kinsale Capital Group
KNSL
$8.07B
| $4.27M | ﹤0.01% |
+12,500
| New | +$4.74M |
|
1914
S&P Global
SPGI
$133B
| $4.27M | ﹤0.01% |
+10,040
| New | +$4.66M |
|
1915
PUT
PG&E
PCG
$38.4B
| $4.24M | ﹤0.01% |
241,500
+13,100
| +6% | +$223K |
|
1916
PUT
McEwen Inc
MUX
$983M
| $4.24M | ﹤0.01% |
207,600
+121,100
| +140% | +$2.88M |
|
1917
PUT
Navitas Semiconductor
NVTS
$2.81B
| $4.24M | ﹤0.01% |
483,000
-65,700
| -12% | -$605K |
|
1918
CALL
Plains GP Holdings
PAGP
$5.13B
| $4.23M | ﹤0.01% |
174,300
-60,400
| -26% | -$1.32M |
|
|
EMBJ
1919
PUT
Embraer S.A. ADS
EMBJ
$11.7B
| $4.23M | ﹤0.01% |
+71,300
| New | +$4.88M |
|
1920
CALL
Baxter International
BAX
$11.4B
| $4.22M | ﹤0.01% |
251,200
-15,200
| -6% | -$294K |
|
|
1921
CALL
QuantumScape Corp
QS
$3.62B
| $4.22M | ﹤0.01% |
661,000
-699,600
| -51% | -$5.81M |
|
1922
CALL
Hormel Foods
HRL
$13.9B
| $4.22M | ﹤0.01% |
186,100
+53,800
| +41% | +$1.29M |
|
1923
CALL
Becton Dickinson
BDX
$42.6B
| $4.21M | ﹤0.01% |
26,800
-9,000
| -25% | -$1.65M |
|
|
FRMI
1924
CALL
Fermi Inc
FRMI
$3.91B
| $4.21M | ﹤0.01% |
720,300
+644,500
| +850% | +$5.64M |
|
1925
PUT
Bio-Techne
TECH
$11.2B
| $4.2M | ﹤0.01% |
80,400
-23,600
| -23% | -$1.42M |
|
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.