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 | |
|---|---|---|---|---|---|---|
726
CALL
Lyft
LYFT
$5.86B
| $27.1M | 0.01% |
2,041,000
-521,200
| -20% | -$8.07M |
|
727
PUT
Royal Gold
RGLD
$15.9B
| $27.1M | 0.01% |
106,600
-5,900
| -5% | -$1.57M |
|
728
PUT
Monolithic Power Systems
MPWR
$65.3B
| $27.1M | 0.01% |
24,800
-7,400
| -23% | -$8.08M |
|
729
PUT
Vanguard Growth ETF
VUG
$221B
| $27.1M | 0.01% |
372,000
+259,200
| +230% | +$20.2M |
|
730
CALL
Biogen
BIIB
$29.5B
| $27.1M | 0.01% |
147,700
+15,300
| +12% | +$2.82M |
|
731
CALL
Ondas Inc
ONDS
$3.91B
| $27.1M | 0.01% |
2,992,300
+1,062,800
| +55% | +$11.6M |
|
732
CALL
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$160M
| $26.9M | 0.01% |
754,200
-188,600
| -20% | -$5.61M |
|
733
United Airlines
UAL
$38.1B
| $26.8M | 0.01% |
291,255
+238,055
| +447% | +$24.9M |
|
734
PUT
Texas Pacific Land
TPL
$28B
| $26.8M | 0.01% |
56,500
+13,700
| +32% | +$5.89M |
|
735
CALL
Etsy
ETSY
$7.97B
| $26.8M | 0.01% |
536,200
-265,800
| -33% | -$14.5M |
|
736
CALL
NIO
NIO
$12.1B
| $26.8M | 0.01% |
4,441,000
-835,100
| -16% | -$4.22M |
|
737
PUT
Casey's General Stores
CASY
$32.1B
| $26.7M | 0.01% |
36,700
+25,700
| +234% | +$16.7M |
|
738
CALL
Stanley Black & Decker
SWK
$13.6B
| $26.7M | 0.01% |
375,900
+5,200
| +1% | +$418K |
|
739
CALL
Cummins
CMI
$88.2B
| $26.7M | 0.01% |
49,600
+14,900
| +43% | +$8.43M |
|
740
CALL
WIX.com
WIX
$2.23B
| $26.6M | 0.01% |
295,200
+133,000
| +82% | +$11.1M |
|
741
CALL
L3Harris
LHX
$52.3B
| $26.5M | 0.01% |
76,700
+37,800
| +97% | +$13.2M |
|
742
PUT
W.W. Grainger
GWW
$64.7B
| $26.4M | 0.01% |
+24,200
| New | +$26.4M |
|
|
FISV
743
PUT
Fiserv Inc
FISV
$27.6B
| $26.3M | 0.01% |
472,000
+41,800
| +10% | +$2.59M |
|
744
PUT
IonQ
IONQ
$12.8B
| $26.3M | 0.01% |
911,400
-439,500
| -33% | -$16.9M |
|
745
PUT
CAVA Group
CAVA
$7.4B
| $26.2M | 0.01% |
323,600
-164,800
| -34% | -$12M |
|
746
CALL
Abbott
ABT
$177B
| $26M | 0.01% |
253,700
+19,900
| +9% | +$2.25M |
|
747
AXT Inc
AXTI
$3.19B
| $26M | 0.01% |
+456,014
| New | +$15.1M |
|
748
CALL
Comcast
CMCSA
$84.9B
| $25.8M | 0.01% |
899,700
-326,000
| -27% | -$9.76M |
|
749
CALL
Kimberly-Clark
KMB
$36B
| $25.8M | 0.01% |
267,500
-2,100
| -0.8% | -$215K |
|
750
CALL
Air Products & Chemicals
APD
$66.1B
| $25.8M | 0.01% |
88,800
-19,300
| -18% | -$5.32M |
|
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.