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 | |
|---|---|---|---|---|---|---|
2901
CALL
Invesco DB Agriculture Fund
DBA
$1.26B
| $1.44M | ﹤0.01% |
+52,600
| New | +$1.37M |
|
2902
PUT
Guidewire Software
GWRE
$11.9B
| $1.44M | ﹤0.01% |
9,600
-2,000
| -17% | -$304K |
|
2903
PUT
International Seaways
INSW
$4.48B
| $1.44M | ﹤0.01% |
+19,700
| New | +$1.26M |
|
2904
Sweetgreen
SG
$807M
| $1.44M | ﹤0.01% |
276,573
-80,262
| -22% | -$488K |
|
2905
PUT
Clean Harbors
CLH
$16.1B
| $1.43M | ﹤0.01% |
+5,000
| New | +$1.36M |
|
2906
CALL
Starwood Property Trust
STWD
$6.15B
| $1.43M | ﹤0.01% |
83,200
-73,100
| -47% | -$1.31M |
|
2907
PUT
Canadian Imperial Bank of Commerce
CM
$107B
| $1.43M | ﹤0.01% |
15,100
-3,900
| -21% | -$373K |
|
2908
CALL
Enovix
ENVX
$1.05B
| $1.43M | ﹤0.01% |
275,800
-76,500
| -22% | -$479K |
|
2909
CALL
ARK Autonomous Technology & Robotics ETF
ARKQ
$1.98B
| $1.43M | ﹤0.01% |
12,700
+1,500
| +13% | +$185K |
|
2910
TMC The Metals Company
TMC
$1.74B
| $1.43M | ﹤0.01% |
305,715
+217,857
| +248% | +$1.4M |
|
|
CWAN
2911
PUT
DELISTED
Clearwater Analytics
CWAN
| $1.42M | ﹤0.01% |
60,100
+24,800
| +70% | +$587K |
|
2912
PUT
SPX Corp
SPXC
$10.9B
| $1.42M | ﹤0.01% |
+7,100
| New | +$1.53M |
|
|
2913
PUT
TMC The Metals Company
TMC
$1.74B
| $1.42M | ﹤0.01% |
303,500
+35,000
| +13% | +$226K |
|
|
GLXY
2914
Galaxy Digital Inc
GLXY
$4.87B
| $1.42M | ﹤0.01% |
+76,796
| New | +$1.83M |
|
|
TE
2915
PUT
T1 Energy
TE
$1.7B
| $1.42M | ﹤0.01% |
322,600
-151,400
| -32% | -$1.11M |
|
2916
CALL
Aaon
AAON
$8.65B
| $1.42M | ﹤0.01% |
17,100
+4,000
| +31% | +$363K |
|
2917
Kosmos Energy
KOS
$1.44B
| $1.41M | ﹤0.01% |
508,873
+188,922
| +59% | +$355K |
|
|
SOLS
2918
Solstice Advanced Materials
SOLS
$9.54B
| $1.41M | ﹤0.01% |
+18,543
| New | +$1.27M |
|
2919
PUT
Winnebago Industries
WGO
$859M
| $1.41M | ﹤0.01% |
45,500
+17,500
| +63% | +$729K |
|
2920
PUT
POET Technologies
POET
$1.44B
| $1.41M | ﹤0.01% |
237,300
-292,000
| -55% | -$1.89M |
|
2921
Lumen
LUMN
$6.96B
| $1.41M | ﹤0.01% |
202,727
+71,881
| +55% | +$544K |
|
2922
CALL
Timken Company
TKR
$9.67B
| $1.41M | ﹤0.01% |
14,000
+1,600
| +13% | +$159K |
|
2923
Upstart Holdings
UPST
$2.8B
| $1.41M | ﹤0.01% |
54,840
+8,126
| +17% | +$286K |
|
2924
PUT
Boot Barn
BOOT
$4.52B
| $1.41M | ﹤0.01% |
9,600
-14,800
| -61% | -$2.68M |
|
2925
Charter Communications
CHTR
$15.7B
| $1.4M | ﹤0.01% |
+6,505
| New | +$1.41M |
|
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.