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 | |
|---|---|---|---|---|---|---|
3801
PUT
Compass
COMP
$8.77B
| $613K | ﹤0.01% |
83,900
-72,900
| -46% | -$766K |
|
3802
PUT
Elanco Animal Health
ELAN
$12.7B
| $613K | ﹤0.01% |
25,600
-54,300
| -68% | -$1.33M |
|
3803
PUT
Piper Sandler
PIPR
$5.22B
| $612K | ﹤0.01% |
+8,000
| New | +$656K |
|
3804
CALL
CubeSmart
CUBE
$9.26B
| $612K | ﹤0.01% |
+16,700
| New | +$641K |
|
|
SLVR
3805
Sprott Silver Miners & Physical Silver ETF
SLVR
$637M
| $612K | ﹤0.01% |
10,340
-1,135
| -10% | -$75.8K |
|
3806
CALL
Henry Schein
HSIC
$9.82B
| $612K | ﹤0.01% |
8,300
-54,700
| -87% | -$4.23M |
|
3807
PUT
PagSeguro Digital
PAGS
$2.6B
| $611K | ﹤0.01% |
61,000
-41,100
| -40% | -$429K |
|
|
WBI
3808
CALL
WaterBridge Infrastructure LLC
WBI
$1.67B
| $611K | ﹤0.01% |
+22,800
| New | +$543K |
|
3809
CALL
Stratasys
SSYS
$701M
| $611K | ﹤0.01% |
78,200
-88,100
| -53% | -$862K |
|
3810
PUT
Polestar Automotive Holding UK
PSNY
$2.17B
| $610K | ﹤0.01% |
33,100
| – | – |
|
3811
Trane Technologies
TT
$103B
| $608K | ﹤0.01% |
+1,460
| New | +$620K |
|
3812
CALL
Banc of California
BANC
$3.21B
| $608K | ﹤0.01% |
34,600
-34,800
| -50% | -$664K |
|
3813
CALL
Federal Agricultural Mortgage Class A
AGM.A
$1.58B
| $608K | ﹤0.01% |
+4,100
| New | +$521K |
|
3814
PUT
Mercury Insurance
MCY
$5.89B
| $608K | ﹤0.01% |
+6,900
| New | +$617K |
|
3815
Virtu Financial
VIRT
$4.93B
| $608K | ﹤0.01% |
+13,818
| New | +$538K |
|
3816
CALL
Ecovyst
ECVT
$1.36B
| $607K | ﹤0.01% |
+47,200
| New | +$533K |
|
|
CWVX
3817
PUT
Tradr 2X Long CRWV Daily ETF
CWVX
$101M
| $606K | ﹤0.01% |
34,800
+20,100
| +137% | +$575K |
|
3818
CALL
United Bankshares
UBSI
$6.51B
| $605K | ﹤0.01% |
14,600
+500
| +4% | +$20.8K |
|
3819
PUT
Revolve Group
RVLV
$1.86B
| $604K | ﹤0.01% |
+26,700
| New | +$701K |
|
3820
PUT
CoreCivic
CXW
$3.15B
| $603K | ﹤0.01% |
31,900
-27,700
| -46% | -$522K |
|
|
IREZ
3821
Tradr 2X Short IREN Daily ETF
IREZ
$9.71M
| $603K | ﹤0.01% |
+6,682
| New | +$507K |
|
3822
CALL
Genesis Energy
GEL
$1.8B
| $603K | ﹤0.01% |
33,800
+1,600
| +5% | +$27.7K |
|
3823
Sensata Technologies
ST
$6.48B
| $603K | ﹤0.01% |
17,109
+5,995
| +54% | +$212K |
|
3824
Sysco
SYY
$38.6B
| $602K | ﹤0.01% |
+8,446
| New | +$698K |
|
3825
ProShares Ultra Consumer Staples
UGE
$10M
| $601K | ﹤0.01% |
+32,634
| New | +$636K |
|
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.