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
| 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
| 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
| 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 | |
|---|---|---|---|---|---|---|
126
PUT
ExxonMobil
XOM
$605B
| $291M | 0.1% |
1,715,300
+693,100
| +68% | +$101M |
|
127
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$5.15B
| $291M | 0.1% |
4,863,600
-2,294,200
| -32% | -$246M |
|
128
CALL
Pinduoduo
PDD
$123B
| $286M | 0.1% |
2,797,900
-733,200
| -21% | -$77.1M |
|
129
PUT
Bloom Energy
BE
$58.8B
| $286M | 0.1% |
2,107,700
+420,900
| +25% | +$61.8M |
|
|
130
State Street SPDR S&P 500 ETF Trust
SPY
$774B
| $284M | 0.1% |
+436,397
| New | +$297M |
|
131
PUT
Shopify
SHOP
$162B
| $283M | 0.1% |
2,386,800
+501,700
| +27% | +$65.9M |
|
|
132
CALL
Shopify
SHOP
$162B
| $282M | 0.1% |
2,380,500
+398,200
| +20% | +$52.3M |
|
|
CRWV
133
CALL
CoreWeave
CRWV
$39.8B
| $280M | 0.1% |
3,616,900
-517,900
| -13% | -$44.9M |
|
134
PUT
Western Digital
WDC
$161B
| $274M | 0.1% |
1,012,500
+247,800
| +32% | +$64.7M |
|
135
PUT
Spotify
SPOT
$97.9B
| $274M | 0.1% |
564,100
-109,400
| -16% | -$54.9M |
|
136
CALL
Dell
DELL
$253B
| $273M | 0.1% |
1,661,200
+25,100
| +2% | +$3.34M |
|
137
PUT
Lam Research
LRCX
$401B
| $271M | 0.1% |
1,269,300
-1,041,000
| -45% | -$233M |
|
138
CALL
iShares MSCI Australia ETF
EWA
$1.43B
| $271M | 0.1% |
5,069,200
+3,667,000
| +262% | +$103M |
|
139
PUT
Robinhood
HOOD
$95.2B
| $270M | 0.1% |
3,901,200
-265,700
| -6% | -$23.3M |
|
140
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.05B
| $263M | 0.09% |
2,996,500
+247,600
| +9% | +$67.5M |
|
|
141
CALL
AST SpaceMobile
ASTS
$16.4B
| $262M | 0.09% |
3,161,900
+987,300
| +45% | +$93.2M |
|
|
142
PUT
Dell
DELL
$253B
| $261M | 0.09% |
1,588,300
+134,000
| +9% | +$17.9M |
|
143
CALL
Marvell Technology
MRVL
$169B
| $256M | 0.09% |
2,581,300
+301,000
| +13% | +$25.3M |
|
144
CALL
Chevron
CVX
$366B
| $252M | 0.09% |
1,219,200
+226,200
| +23% | +$41.2M |
|
|
145
PUT
Pinduoduo
PDD
$123B
| $251M | 0.09% |
2,456,400
-559,300
| -19% | -$58.8M |
|
146
PUT
Arm
ARM
$280B
| $251M | 0.09% |
1,658,000
+62,700
| +4% | +$7.61M |
|
147
PUT
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.08B
| $248M | 0.09% |
1,369,300
+718,700
| +110% | +$21M |
|
|
CRWV
148
PUT
CoreWeave
CRWV
$39.8B
| $247M | 0.09% |
3,194,000
+566,400
| +22% | +$49.2M |
|
149
Micron Technology
MU
$964B
| $247M | 0.09% |
731,218
-62,240
| -8% | -$24.4M |
|
150
CALL
Home Depot
HD
$347B
| $246M | 0.09% |
749,400
-623,900
| -45% | -$227M |
|
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.