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 | |
|---|---|---|---|---|---|---|
1051
United Rentals
URI
$63.4B
| $13.8M | 0.01% |
19,006
+8,101
| +74% | +$6.8M |
|
1052
Lithia Motors
LAD
$7.42B
| $13.8M | ﹤0.01% |
+55,132
| New | +$16.4M |
|
1053
CALL
Darden Restaurants
DRI
$22.3B
| $13.8M | ﹤0.01% |
70,200
-24,500
| -26% | -$5.04M |
|
1054
PUT
Waste Management
WM
$96B
| $13.7M | ﹤0.01% |
59,800
-16,900
| -22% | -$3.88M |
|
1055
CALL
Teva Pharmaceuticals
TEVA
$36.1B
| $13.7M | ﹤0.01% |
456,000
-484,400
| -52% | -$15.6M |
|
1056
PUT
ON Semiconductor
ON
$33.7B
| $13.7M | ﹤0.01% |
221,400
-265,600
| -55% | -$16.7M |
|
1057
PUT
Parker-Hannifin
PH
$120B
| $13.7M | ﹤0.01% |
15,300
+3,700
| +32% | +$3.5M |
|
1058
PUT
HubSpot
HUBS
$11.8B
| $13.6M | ﹤0.01% |
55,900
+16,100
| +40% | +$4.52M |
|
1059
CALL
Amprius Technologies
AMPX
$1.44B
| $13.6M | ﹤0.01% |
807,600
+364,400
| +82% | +$4.75M |
|
1060
CALL
BioNTech
BNTX
$23.3B
| $13.6M | ﹤0.01% |
153,000
-17,500
| -10% | -$1.8M |
|
1061
CALL
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.14B
| $13.6M | ﹤0.01% |
234,500
+125,000
| +114% | +$7.83M |
|
1062
PUT
Emcor
EME
$33.1B
| $13.6M | ﹤0.01% |
18,400
+6,500
| +55% | +$4.73M |
|
1063
CALL
Shake Shack
SHAK
$2.3B
| $13.6M | ﹤0.01% |
153,200
-24,100
| -14% | -$2.22M |
|
1064
PUT
Welltower
WELL
$173B
| $13.5M | ﹤0.01% |
68,400
-41,000
| -37% | -$8.1M |
|
1065
CALL
Shift4
FOUR
$4.04B
| $13.5M | ﹤0.01% |
309,100
+126,300
| +69% | +$6.97M |
|
1066
Credo Technology Group
CRDO
$39.5B
| $13.5M | ﹤0.01% |
143,928
+92,430
| +179% | +$11.2M |
|
1067
CALL
Travelers Companies
TRV
$78.4B
| $13.5M | ﹤0.01% |
46,300
-16,400
| -26% | -$4.8M |
|
1068
CALL
Caesars Entertainment
CZR
$6.07B
| $13.5M | ﹤0.01% |
510,300
-387,500
| -43% | -$9.22M |
|
1069
PUT
Lyft
LYFT
$5.86B
| $13.5M | ﹤0.01% |
1,013,200
-317,400
| -24% | -$4.91M |
|
1070
CALL
Toyota
TM
$211B
| $13.5M | ﹤0.01% |
65,300
+5,200
| +9% | +$1.18M |
|
1071
CALL
Transocean
RIG
$5.56B
| $13.4M | ﹤0.01% |
2,022,700
+555,900
| +38% | +$3.13M |
|
1072
CALL
Enbridge
ENB
$122B
| $13.4M | ﹤0.01% |
247,600
+80,900
| +49% | +$4.12M |
|
1073
PUT
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.7B
| $13.4M | ﹤0.01% |
21,700
-6,900
| -24% | -$4.37M |
|
1074
PUT
monday.com
MNDY
$3.29B
| $13.4M | ﹤0.01% |
193,400
+54,800
| +40% | +$5.26M |
|
1075
CALL
Vanguard Growth ETF
VUG
$221B
| $13.4M | ﹤0.01% |
183,600
-6,600
| -3% | -$513K |
|
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.