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 | |
|---|---|---|---|---|---|---|
1501
PUT
Carpenter Technology
CRS
$29B
| $7.33M | ﹤0.01% |
+18,600
| New | +$6.77M |
|
1502
PUT
Zoetis
ZTS
$31.5B
| $7.33M | ﹤0.01% |
62,000
-69,600
| -53% | -$8.61M |
|
1503
CALL
Copart
CPRT
$25B
| $7.32M | ﹤0.01% |
220,600
+27,900
| +14% | +$1.05M |
|
1504
Vanguard Total Stock Market ETF
VTI
$663B
| $7.32M | ﹤0.01% |
22,822
+9,223
| +68% | +$3.09M |
|
1505
PUT
Wendy's
WEN
$1.49B
| $7.31M | ﹤0.01% |
1,052,100
+648,200
| +160% | +$4.99M |
|
1506
Futu Holdings
FUTU
$14.4B
| $7.29M | ﹤0.01% |
53,327
-10,301
| -16% | -$1.6M |
|
1507
iShares Semiconductor ETF
SOXX
$46.5B
| $7.28M | ﹤0.01% |
22,161
+1,650
| +8% | +$563K |
|
1508
PUT
Skyworks Solutions
SWKS
$9.51B
| $7.28M | ﹤0.01% |
136,000
-18,900
| -12% | -$1.1M |
|
|
P
1509
PUT
Everpure Inc
P
$24.5B
| $7.27M | ﹤0.01% |
123,200
-96,300
| -44% | -$6.52M |
|
1510
CALL
SiriusXM
SIRI
$10.2B
| $7.27M | ﹤0.01% |
315,100
+8,800
| +3% | +$189K |
|
1511
CALL
EnerSys
ENS
$7.31B
| $7.26M | ﹤0.01% |
41,800
+28,100
| +205% | +$4.76M |
|
1512
PUT
State Street Communication Services Select Sector SPDR ETF
XLC
$22.7B
| $7.26M | ﹤0.01% |
65,500
-97,300
| -60% | -$11.3M |
|
1513
CALL
ARK Genomic Revolution ETF
ARKG
$1.57B
| $7.26M | ﹤0.01% |
274,700
-74,900
| -21% | -$2.19M |
|
1514
CALL
Lumen
LUMN
$6.99B
| $7.25M | ﹤0.01% |
1,042,600
-101,200
| -9% | -$766K |
|
1515
CALL
DTE Energy
DTE
$30.2B
| $7.22M | ﹤0.01% |
49,400
+7,400
| +18% | +$1.04M |
|
1516
CALL
Revolution Medicines
RVMD
$38.9B
| $7.22M | ﹤0.01% |
74,200
+58,900
| +385% | +$5.95M |
|
1517
CALL
CoStar Group
CSGP
$11.7B
| $7.2M | ﹤0.01% |
178,600
+77,200
| +76% | +$4.02M |
|
1518
CALL
Macy's
M
$6.21B
| $7.19M | ﹤0.01% |
397,400
-172,500
| -30% | -$3.49M |
|
1519
PUT
Steel Dynamics
STLD
$33.7B
| $7.18M | ﹤0.01% |
39,900
+5,900
| +17% | +$1.07M |
|
1520
CALL
Check Point Software Technologies
CHKP
$13.5B
| $7.17M | ﹤0.01% |
50,200
+28,200
| +128% | +$4.72M |
|
1521
CALL
MSCI
MSCI
$41.1B
| $7.17M | ﹤0.01% |
+13,300
| New | +$7.5M |
|
1522
CALL
M&T Bank
MTB
$36B
| $7.13M | ﹤0.01% |
34,500
+16,700
| +94% | +$3.59M |
|
1523
Cipher Digital
CIFR
$9.84B
| $7.13M | ﹤0.01% |
553,740
+186,159
| +51% | +$2.95M |
|
1524
CALL
Hasbro
HAS
$12.6B
| $7.12M | ﹤0.01% |
76,100
-25,100
| -25% | -$2.34M |
|
1525
CALL
Harrow
HROW
$1.63B
| $7.12M | ﹤0.01% |
201,900
+74,400
| +58% | +$3.27M |
|
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.