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 | |
|---|---|---|---|---|---|---|
2126
PUT
Unum
UNM
$14.1B
| $3.37M | ﹤0.01% |
46,100
+29,900
| +185% | +$2.23M |
|
|
MRSH
2127
PUT
Marsh
MRSH
$87.5B
| $3.36M | ﹤0.01% |
19,400
-8,100
| -29% | -$1.46M |
|
2128
PUT
ZIM Integrated Shipping Services
ZIM
$3B
| $3.36M | ﹤0.01% |
127,700
-36,300
| -22% | -$904K |
|
2129
CALL
Incyte
INCY
$23.5B
| $3.36M | ﹤0.01% |
35,700
-1,300
| -4% | -$130K |
|
2130
CALL
Aecom
ACM
$8.86B
| $3.36M | ﹤0.01% |
39,600
-27,300
| -41% | -$2.59M |
|
|
HNGE
2131
CALL
Hinge Health
HNGE
$6.53B
| $3.35M | ﹤0.01% |
86,900
+59,300
| +215% | +$2.46M |
|
2132
Global X Silver Miners ETF NEW
SIL
$4.09B
| $3.35M | ﹤0.01% |
37,192
+6,515
| +21% | +$642K |
|
2133
CALL
New Oriental
EDU
$7.75B
| $3.35M | ﹤0.01% |
59,100
-67,300
| -53% | -$3.84M |
|
2134
Mobileye
MBLY
$7.57B
| $3.35M | ﹤0.01% |
486,956
+114,319
| +31% | +$1.04M |
|
2135
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
| $3.34M | ﹤0.01% |
35,009
+17,998
| +106% | +$1.73M |
|
|
EMBJ
2136
CALL
Embraer S.A. ADS
EMBJ
$11.7B
| $3.34M | ﹤0.01% |
56,300
+12,600
| +29% | +$863K |
|
2137
CALL
Navios Maritime Partners
NMM
$2.11B
| $3.34M | ﹤0.01% |
49,500
+36,700
| +287% | +$2.28M |
|
2138
PUT
DuPont de Nemours
DD
$18.7B
| $3.34M | ﹤0.01% |
24,300
+12,567
| +107% | +$1.73M |
|
2139
Atlassian
TEAM
$23B
| $3.34M | ﹤0.01% |
48,914
+20,252
| +71% | +$2M |
|
2140
PUT
Strive Inc
ASST
$1.08B
| $3.34M | ﹤0.01% |
333,100
+316,120
| +1,862% | +$3.93M |
|
2141
CALL
Fortuna Silver Mines
FSM
$2.57B
| $3.34M | ﹤0.01% |
336,100
-19,100
| -5% | -$207K |
|
2142
CALL
Methanex
MEOH
$4.27B
| $3.32M | ﹤0.01% |
55,800
+38,500
| +223% | +$1.94M |
|
2143
CALL
TechnipFMC
FTI
$29.8B
| $3.32M | ﹤0.01% |
48,000
+14,800
| +45% | +$890K |
|
2144
CALL
Solventum
SOLV
$13.6B
| $3.32M | ﹤0.01% |
50,800
+12,800
| +34% | +$951K |
|
2145
CALL
ArcelorMittal
MT
$49.6B
| $3.31M | ﹤0.01% |
63,700
+15,300
| +32% | +$849K |
|
2146
CALL
Exelixis
EXEL
$14.1B
| $3.31M | ﹤0.01% |
77,200
-5,400
| -7% | -$232K |
|
2147
CALL
Scotiabank
BNS
$107B
| $3.31M | ﹤0.01% |
47,700
+4,900
| +11% | +$359K |
|
2148
SM Energy
SM
$7.72B
| $3.3M | ﹤0.01% |
105,933
+94,355
| +815% | +$2.15M |
|
2149
Enphase Energy
ENPH
$5.26B
| $3.29M | ﹤0.01% |
86,901
-117,832
| -58% | -$4.89M |
|
2150
PUT
NextDecade
NEXT
$1.95B
| $3.28M | ﹤0.01% |
428,600
+188,400
| +78% | +$1.07M |
|
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.