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 | |
|---|---|---|---|---|---|---|
|
CRCL
101
CALL
Circle Internet Group
CRCL
$15.1B
| $370M | 0.13% |
3,880,400
+557,300
| +17% | +$47.2M |
|
102
CALL
First Solar
FSLR
$22.8B
| $369M | 0.13% |
1,869,800
-141,900
| -7% | -$31.4M |
|
103
CALL
Arm
ARM
$280B
| $357M | 0.13% |
2,357,900
-77,000
| -3% | -$9.34M |
|
104
CALL
Palo Alto Networks
PANW
$289B
| $356M | 0.13% |
2,220,100
+750,000
| +51% | +$126M |
|
105
PUT
Salesforce
CRM
$141B
| $352M | 0.13% |
1,886,500
+440,100
| +30% | +$91.2M |
|
106
CALL
Vanguard S&P 500 ETF
VOO
$974B
| $351M | 0.13% |
773,200
+268,600
| +53% | +$168M |
|
107
PUT
Applied Materials
AMAT
$445B
| $347M | 0.12% |
1,014,500
+36,400
| +4% | +$12.2M |
|
108
CALL
Visa
V
$694B
| $346M | 0.12% |
1,144,200
-112,900
| -9% | -$36.3M |
|
109
CALL
Lam Research
LRCX
$401B
| $344M | 0.12% |
1,607,800
-711,100
| -31% | -$159M |
|
110
CALL
Bloom Energy
BE
$58.8B
| $342M | 0.12% |
2,525,000
-513,100
| -17% | -$75.3M |
|
111
CALL
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$45B
| $328M | 0.12% |
708,200
-208,400
| -23% | -$101M |
|
|
112
PUT
First Solar
FSLR
$22.8B
| $326M | 0.12% |
1,650,300
-275,800
| -14% | -$61M |
|
113
PUT
Carvana
CVNA
$50.6B
| $324M | 0.12% |
5,150,500
-2,668,000
| -34% | -$198M |
|
|
UWC
114
CALL
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $323M | 0.12% |
7,284,300
-52,500
| -0.7% | -$2.33M |
|
115
PUT
Mercado Libre
MELI
$94.2B
| $323M | 0.12% |
186,800
-31,100
| -14% | -$60M |
|
116
PUT
Adobe
ADBE
$93.5B
| $323M | 0.12% |
1,327,400
-94,500
| -7% | -$26.2M |
|
117
PUT
Citigroup
C
$221B
| $322M | 0.12% |
2,840,600
+59,200
| +2% | +$6.74M |
|
118
CALL
ServiceNow
NOW
$107B
| $317M | 0.11% |
3,030,500
+696,300
| +30% | +$81.9M |
|
|
119
Sprott Physical Silver Trust
PSLV
$11.4B
| $313M | 0.11% |
12,853,471
+12,611,729
| +5,217% | +$344M |
|
|
120
PUT
ServiceNow
NOW
$107B
| $311M | 0.11% |
2,979,400
+811,200
| +37% | +$95.4M |
|
121
CALL
Western Digital
WDC
$161B
| $311M | 0.11% |
1,148,700
+215,400
| +23% | +$56.2M |
|
122
CALL
Snowflake
SNOW
$93.6B
| $302M | 0.11% |
1,999,900
+37,100
| +2% | +$6.87M |
|
123
CALL
PayPal
PYPL
$50B
| $299M | 0.11% |
6,606,000
+563,600
| +9% | +$27.2M |
|
124
CALL
Vertiv
VRT
$113B
| $294M | 0.11% |
1,172,600
-222,700
| -16% | -$49.4M |
|
|
125
PUT
Palo Alto Networks
PANW
$289B
| $293M | 0.11% |
1,828,000
+301,000
| +20% | +$50.6M |
|
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.