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 | |
|---|---|---|---|---|---|---|
751
PUT
Etsy
ETSY
$7.77B
| $25.8M | 0.01% |
515,700
+147,300
| +40% | +$8.05M |
|
|
TEM
752
CALL
Tempus AI
TEM
$8.94B
| $25.6M | 0.01% |
565,900
-222,500
| -28% | -$12.6M |
|
753
PUT
eBay
EBAY
$50.1B
| $25.5M | 0.01% |
280,700
-156,400
| -36% | -$14.1M |
|
754
CALL
SAP
SAP
$182B
| $25.5M | 0.01% |
149,000
+107,700
| +261% | +$22.2M |
|
755
PUT
American Tower
AMT
$77.1B
| $25.4M | 0.01% |
147,000
+31,500
| +27% | +$5.67M |
|
756
CALL
Celsius Holdings
CELH
$7.23B
| $25.4M | 0.01% |
714,700
-32,500
| -4% | -$1.54M |
|
757
CALL
Nasdaq
NDAQ
$51.5B
| $25.3M | 0.01% |
298,400
+206,300
| +224% | +$18.5M |
|
758
PUT
Motorola Solutions
MSI
$67.7B
| $25.3M | 0.01% |
58,200
-10,500
| -15% | -$4.55M |
|
759
CALL
The Mosaic Company
MOS
$7.12B
| $25.2M | 0.01% |
987,000
+667,500
| +209% | +$18.3M |
|
760
CALL
CME Group
CME
$87.3B
| $25.2M | 0.01% |
85,200
-12,500
| -13% | -$3.71M |
|
761
CALL
Autodesk
ADSK
$45.4B
| $25M | 0.01% |
104,500
+24,800
| +31% | +$6.23M |
|
762
CALL
O'Reilly Automotive
ORLY
$73.1B
| $25M | 0.01% |
270,400
+93,300
| +53% | +$8.75M |
|
763
CALL
Futu Holdings
FUTU
$14.3B
| $24.9M | 0.01% |
182,400
-101,800
| -36% | -$15.8M |
|
764
CALL
Planet Labs
PL
$8.18B
| $24.8M | 0.01% |
888,800
+371,900
| +72% | +$9.51M |
|
765
PUT
EQT Corp
EQT
$30.9B
| $24.8M | 0.01% |
389,400
-1,575,200
| -80% | -$92.3M |
|
766
Cigna
CI
$76.4B
| $24.7M | 0.01% |
92,532
+22,228
| +32% | +$6.15M |
|
767
PUT
Danaher
DHR
$124B
| $24.6M | 0.01% |
129,800
-101,500
| -44% | -$21.6M |
|
768
PUT
Hewlett Packard
HPE
$61.5B
| $24.5M | 0.01% |
1,030,700
+95,100
| +10% | +$2.11M |
|
769
CALL
Prudential Financial
PRU
$41B
| $24.2M | 0.01% |
248,100
+18,400
| +8% | +$1.91M |
|
770
CALL
State Street Communication Services Select Sector SPDR ETF
XLC
$22.7B
| $24.2M | 0.01% |
218,600
+28,400
| +15% | +$3.29M |
|
771
Freeport-McMoran
FCX
$88.4B
| $24.2M | 0.01% |
412,080
+192,860
| +88% | +$11.7M |
|
772
Marriott International
MAR
$97.3B
| $24.2M | 0.01% |
74,042
-18,846
| -20% | -$6.2M |
|
773
CALL
Lemonade
LMND
$5.22B
| $24.2M | 0.01% |
386,300
-79,200
| -17% | -$5.48M |
|
774
CALL
Sherwin-Williams
SHW
$79B
| $24.2M | 0.01% |
75,400
+27,700
| +58% | +$9.54M |
|
775
PUT
Automatic Data Processing
ADP
$101B
| $24.1M | 0.01% |
118,600
+50,500
| +74% | +$11.6M |
|
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.