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 | |
|---|---|---|---|---|---|---|
4151
CALL
Renasant Corp
RNST
$3.97B
| $455K | ﹤0.01% |
+12,600
| New | +$474K |
|
|
SF
4152
Stifel
SF
$12.1B
| $454K | ﹤0.01% |
+6,147
| New | +$488K |
|
4153
Amkor Technology
AMKR
$16.2B
| $454K | ﹤0.01% |
10,088
-11,050
| -52% | -$529K |
|
4154
PUT
Vanguard Small-Cap Growth ETF
VBK
$23.4B
| $453K | ﹤0.01% |
+1,500
| New | +$471K |
|
4155
Herc Holdings
HRI
$5.45B
| $453K | ﹤0.01% |
+4,547
| New | +$649K |
|
4156
CALL
Cerence
CRNC
$398M
| $452K | ﹤0.01% |
71,700
-77,100
| -52% | -$695K |
|
4157
PUT
PubMatic
PUBM
$571M
| $452K | ﹤0.01% |
55,300
-18,300
| -25% | -$141K |
|
4158
PUT
Butterfly Network
BFLY
$1.73B
| $452K | ﹤0.01% |
111,900
-6,800
| -6% | -$26.3K |
|
4159
CALL
Nexstar Media Group
NXST
$5.53B
| $452K | ﹤0.01% |
+2,500
| New | +$561K |
|
4160
CALL
Vishay Intertechnology
VSH
$6.26B
| $452K | ﹤0.01% |
+25,100
| New | +$456K |
|
4161
Huntington Bancshares
HBAN
$35.3B
| $451K | ﹤0.01% |
+28,848
| New | +$493K |
|
4162
PUT
Shoals Technologies Group
SHLS
$1.66B
| $451K | ﹤0.01% |
68,500
-27,400
| -29% | -$225K |
|
|
APLS
4163
CALL
DELISTED
Apellis Pharmaceuticals
APLS
| $451K | ﹤0.01% |
11,200
-36,800
| -77% | -$793K |
|
4164
CALL
Clean Energy Fuels
CLNE
$460M
| $450K | ﹤0.01% |
181,500
-42,500
| -19% | -$99K |
|
4165
Schwab US Broad Market ETF
SCHB
$42.7B
| $450K | ﹤0.01% |
+17,919
| New | +$470K |
|
4166
CALL
Rush Enterprises Class A
RUSHA
$5.93B
| $450K | ﹤0.01% |
6,800
-12,200
| -64% | -$803K |
|
4167
PUT
Toro Company
TTC
$8.72B
| $449K | ﹤0.01% |
+4,800
| New | +$452K |
|
4168
CALL
Strategic Education
STRA
$1.7B
| $448K | ﹤0.01% |
+5,400
| New | +$440K |
|
|
ACLX
4169
PUT
DELISTED
Arcellx
ACLX
| $448K | ﹤0.01% |
+3,900
| New | +$344K |
|
|
ONIT
4170
PUT
Onity Group
ONIT
$327M
| $448K | ﹤0.01% |
+11,400
| New | +$496K |
|
4171
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$546M
| $447K | ﹤0.01% |
7,500
-28,300
| -79% | -$1.81M |
|
|
AVS
4172
Direxion Daily AVGO Bear 1X ETF
AVS
$8.27M
| $447K | ﹤0.01% |
43,609
-209,684
| -83% | -$2.06M |
|
4173
CALL
Calix
CALX
$2.28B
| $446K | ﹤0.01% |
+9,100
| New | +$478K |
|
4174
PUT
Green Brick Partners
GRBK
$3.06B
| $445K | ﹤0.01% |
6,900
-3,800
| -36% | -$267K |
|
4175
CALL
Cabot Corp
CBT
$4.6B
| $444K | ﹤0.01% |
+5,900
| New | +$428K |
|
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.