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 | |
|---|---|---|---|---|---|---|
4626
Trevi Therapeutics
TRVI
$2.49B
| $290K | ﹤0.01% |
24,324
-14,503
| -37% | -$162K |
|
4627
CALL
Universal Corp
UVV
$1.34B
| $290K | ﹤0.01% |
+5,500
| New | +$296K |
|
4628
PUT
Prospect Capital
PSEC
$1.06B
| $289K | ﹤0.01% |
110,900
+18,900
| +21% | +$51.8K |
|
|
HAPN
4629
PUT
Happen Inc
HAPN
$2.08B
| $289K | ﹤0.01% |
20,200
-26,600
| -57% | -$446K |
|
4630
CALL
Enovis
ENOV
$1.56B
| $289K | ﹤0.01% |
+12,700
| New | +$300K |
|
|
VZLA
4631
CALL
Vizsla Silver
VZLA
$1.16B
| $289K | ﹤0.01% |
87,500
+42,500
| +94% | +$194K |
|
|
SFIX
4632
CALL
Stitch Fix
SFIX
$478M
| $289K | ﹤0.01% |
87,200
-25,000
| -22% | -$102K |
|
4633
PUT
RPM International
RPM
$13.7B
| $288K | ﹤0.01% |
+2,900
| New | +$313K |
|
4634
PUT
Camping World
CWH
$363M
| $288K | ﹤0.01% |
42,200
-6,100
| -13% | -$62.8K |
|
4635
CALL
B&G Foods
BGS
$285M
| $288K | ﹤0.01% |
59,900
-2,200
| -4% | -$10.7K |
|
4636
CALL
Invesco CurrencyShares Euro Currency Trust
FXE
$331M
| $288K | ﹤0.01% |
2,700
-40,100
| -94% | -$4.33M |
|
4637
Packaging Corp of America
PKG
$22.7B
| $288K | ﹤0.01% |
+1,356
| New | +$302K |
|
4638
CALL
Atlanta Braves Holdings Series A
BATRA
$3.53B
| $288K | ﹤0.01% |
+6,100
| New | +$279K |
|
|
DCH
4639
CALL
Dauch Corp
DCH
$1.3B
| $288K | ﹤0.01% |
48,500
+15,800
| +48% | +$110K |
|
4640
CALL
Atour Lifestyle Holdings
ATAT
$4.35B
| $287K | ﹤0.01% |
+7,800
| New | +$294K |
|
4641
FuboTV Inc
FUBO
$245M
| $287K | ﹤0.01% |
30,307
+8,259
| +37% | +$164K |
|
4642
Transocean
RIG
$5.92B
| $287K | ﹤0.01% |
43,234
-165,656
| -79% | -$933K |
|
4643
PUT
WillScot Mobile Mini Holdings
WSC
$4.8B
| $286K | ﹤0.01% |
16,500
+1,400
| +9% | +$28.6K |
|
4644
PUT
Cabot Corp
CBT
$4.65B
| $286K | ﹤0.01% |
+3,800
| New | +$276K |
|
4645
PUT
GSI Technology
GSIT
$216M
| $286K | ﹤0.01% |
55,600
| – | – |
|
|
NMAX
4646
PUT
Newsmax Inc
NMAX
$969M
| $286K | ﹤0.01% |
54,700
+4,200
| +8% | +$28.3K |
|
4647
CALL
Alpha Architect US Quantitative Value ETF
QVAL
$572M
| $285K | ﹤0.01% |
+6,800
| New | +$353K |
|
4648
CALL
Qfin Holdings
QFIN
$1.61B
| $285K | ﹤0.01% |
22,100
-12,000
| -35% | -$185K |
|
4649
PUT
Rush Street Interactive
RSI
$3.24B
| $285K | ﹤0.01% |
+13,100
| New | +$251K |
|
4650
CALL
Helix Energy Solutions
HLX
$1.46B
| $285K | ﹤0.01% |
+28,800
| New | +$245K |
|
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.