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 | |
|---|---|---|---|---|---|---|
1376
CALL
PENN Entertainment
PENN
$2.86B
| $8.79M | ﹤0.01% |
584,600
+232,100
| +66% | +$3.23M |
|
1377
CALL
Aon
AON
$77.6B
| $8.78M | ﹤0.01% |
27,200
+16,100
| +145% | +$5.35M |
|
1378
PUT
Intercontinental Exchange
ICE
$80.1B
| $8.78M | ﹤0.01% |
55,800
-35,200
| -39% | -$5.74M |
|
1379
PUT
Johnson Controls International
JCI
$84.7B
| $8.76M | ﹤0.01% |
66,900
-192,100
| -74% | -$24.8M |
|
1380
KLA
KLAC
$273B
| $8.75M | ﹤0.01% |
+59,430
| New | +$8.69M |
|
1381
PUT
2x Long VIX Futures ETF
UVIX
$280M
| $8.75M | ﹤0.01% |
50,520
+16,510
| +49% | +$2.22M |
|
1382
Invesco DB US Dollar Index Bullish Fund
UUP
$432M
| $8.74M | ﹤0.01% |
314,724
+291,897
| +1,279% | +$7.96M |
|
1383
CALL
Chemours
CC
$2.59B
| $8.73M | ﹤0.01% |
396,500
+105,200
| +36% | +$1.83M |
|
1384
PUT
Powell Industries
POWL
$8.34B
| $8.71M | ﹤0.01% |
48,300
+10,800
| +29% | +$1.77M |
|
1385
PUT
Macy's
M
$6.13B
| $8.71M | ﹤0.01% |
481,500
-104,300
| -18% | -$2.11M |
|
1386
PUT
Viking Holdings
VIK
$43.4B
| $8.7M | ﹤0.01% |
118,400
+33,800
| +40% | +$2.47M |
|
1387
PUT
Eldorado Gold
EGO
$7.26B
| $8.67M | ﹤0.01% |
252,500
+135,000
| +115% | +$5.5M |
|
1388
Comcast
CMCSA
$85.1B
| $8.66M | ﹤0.01% |
301,700
-340,221
| -53% | -$10.2M |
|
1389
Riot Platforms
RIOT
$7.52B
| $8.65M | ﹤0.01% |
699,780
-188,637
| -21% | -$2.89M |
|
1390
PUT
Conagra Brands
CAG
$7B
| $8.64M | ﹤0.01% |
549,500
+204,100
| +59% | +$3.6M |
|
1391
PUT
Illinois Tool Works
ITW
$78B
| $8.62M | ﹤0.01% |
+33,100
| New | +$9.01M |
|
1392
CALL
EPAM Systems
EPAM
$4.69B
| $8.61M | ﹤0.01% |
63,600
+40,500
| +175% | +$6.92M |
|
1393
CALL
Vicor
VICR
$10.6B
| $8.6M | ﹤0.01% |
53,400
+32,500
| +156% | +$5.37M |
|
1394
PUT
Aehr Test Systems
AEHR
$2.5B
| $8.59M | ﹤0.01% |
231,700
+55,300
| +31% | +$1.77M |
|
1395
PUT
ProShares UltraPro Short S&P 500
SPXU
$429M
| $8.58M | ﹤0.01% |
151,300
-79,200
| -34% | -$4.01M |
|
1396
CALL
Dycom Industries
DY
$12.3B
| $8.57M | ﹤0.01% |
25,300
+9,500
| +60% | +$3.57M |
|
1397
Dell
DELL
$248B
| $8.56M | ﹤0.01% |
52,182
-34,557
| -40% | -$4.6M |
|
1398
State Street Financial Select Sector SPDR ETF
XLF
$55.3B
| $8.55M | ﹤0.01% |
+173,206
| New | +$9.03M |
|
1399
CALL
NexGen Energy
NXE
$5.79B
| $8.54M | ﹤0.01% |
736,600
+189,100
| +35% | +$2.26M |
|
1400
PUT
International Paper
IP
$19.2B
| $8.52M | ﹤0.01% |
238,700
-9,800
| -4% | -$407K |
|
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.