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 | |
|---|---|---|---|---|---|---|
|
PR
2026
CALL
Permian Resources
PR
$17.6B
| $3.8M | ﹤0.01% |
178,300
+49,400
| +38% | +$853K |
|
2027
Olin
OLN
$2.64B
| $3.8M | ﹤0.01% |
127,840
+83,638
| +189% | +$2.04M |
|
2028
PUT
Stride
LRN
$3.6B
| $3.8M | ﹤0.01% |
43,100
+8,800
| +26% | +$714K |
|
2029
CALL
Unum
UNM
$14.1B
| $3.8M | ﹤0.01% |
52,000
+31,900
| +159% | +$2.38M |
|
2030
CALL
FormFactor
FORM
$8.87B
| $3.79M | ﹤0.01% |
39,100
+21,300
| +120% | +$1.83M |
|
2031
CALL
Mohawk Industries
MHK
$6.6B
| $3.77M | ﹤0.01% |
38,300
+15,000
| +64% | +$1.75M |
|
2032
CALL
Nutanix
NTNX
$14.6B
| $3.77M | ﹤0.01% |
99,100
-85,600
| -46% | -$3.61M |
|
2033
CALL
Entergy
ETR
$52.4B
| $3.76M | ﹤0.01% |
33,500
+11,500
| +52% | +$1.16M |
|
2034
PUT
LPL Financial
LPLA
$26.3B
| $3.76M | ﹤0.01% |
+12,500
| New | +$4.19M |
|
2035
CALL
Liberty Energy
LBRT
$4.06B
| $3.76M | ﹤0.01% |
130,500
+23,800
| +22% | +$607K |
|
2036
CALL
Travel + Leisure Co
TNL
$4.58B
| $3.76M | ﹤0.01% |
54,300
+38,600
| +246% | +$2.79M |
|
2037
Carvana
CVNA
$47B
| $3.75M | ﹤0.01% |
+59,650
| New | +$4.43M |
|
2038
CALL
VeriSign
VRSN
$24.2B
| $3.75M | ﹤0.01% |
15,100
+5,000
| +50% | +$1.19M |
|
2039
CALL
ResMed
RMD
$28.4B
| $3.75M | ﹤0.01% |
16,700
-1,200
| -7% | -$299K |
|
2040
CALL
TC Energy
TRP
$71.5B
| $3.74M | ﹤0.01% |
59,800
+36,900
| +161% | +$2.23M |
|
2041
McCormick & Company Non-Voting
MKC
$14.1B
| $3.74M | ﹤0.01% |
74,171
+62,441
| +532% | +$3.98M |
|
2042
CALL
Sanofi
SNY
$105B
| $3.74M | ﹤0.01% |
77,600
+32,400
| +72% | +$1.51M |
|
2043
CALL
Insmed
INSM
$23.5B
| $3.73M | ﹤0.01% |
22,800
-23,800
| -51% | -$3.66M |
|
2044
CALL
Republic Services
RSG
$66B
| $3.72M | ﹤0.01% |
17,000
-7,100
| -29% | -$1.56M |
|
2045
PUT
Sempra
SRE
$59.2B
| $3.72M | ﹤0.01% |
38,300
+16,200
| +73% | +$1.48M |
|
2046
CALL
CDW
CDW
$16.6B
| $3.72M | ﹤0.01% |
+30,700
| New | +$3.88M |
|
2047
PUT
Viasat
VSAT
$10.1B
| $3.71M | ﹤0.01% |
81,000
-77,500
| -49% | -$3.49M |
|
2048
Apollo Global Management
APO
$68.3B
| $3.7M | ﹤0.01% |
33,197
+6,825
| +26% | +$846K |
|
|
2049
PUT
Insmed
INSM
$23.5B
| $3.7M | ﹤0.01% |
22,600
+6,300
| +39% | +$969K |
|
2050
PUT
Joby Aviation
JOBY
$7.53B
| $3.69M | ﹤0.01% |
447,300
-106,800
| -19% | -$1.2M |
|
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.