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 | |
|---|---|---|---|---|---|---|
5176
Lightpath Technologies
LPTH
$680M
| $149K | ﹤0.01% |
14,893
-45,370
| -75% | -$521K |
|
|
NMAX
5177
CALL
Newsmax Inc
NMAX
$969M
| $149K | ﹤0.01% |
+28,600
| New | +$193K |
|
5178
PUT
Playtika
PLTK
$1.4B
| $149K | ﹤0.01% |
+53,700
| New | +$176K |
|
5179
CALL
Brookdale Senior Living
BKD
$3.62B
| $149K | ﹤0.01% |
+10,900
| New | +$153K |
|
5180
CALL
CryoPort
CYRX
$775M
| $149K | ﹤0.01% |
+18,000
| New | +$163K |
|
|
RDNW
5181
CALL
RideNow Group
RDNW
$247M
| $149K | ﹤0.01% |
+21,100
| New | +$128K |
|
5182
Corsair Gaming
CRSR
$1.05B
| $149K | ﹤0.01% |
+26,829
| New | +$148K |
|
5183
CALL
Lantronix
LTRX
$236M
| $149K | ﹤0.01% |
+28,400
| New | +$174K |
|
|
ABTC
5184
American Bitcoin Corp
ABTC
$418M
| $149K | ﹤0.01% |
+10,719
| New | +$206K |
|
|
ZEPP
5185
PUT
Zepp Health
ZEPP
$71.9M
| $148K | ﹤0.01% |
12,400
-10,100
| -45% | -$207K |
|
5186
Ardelyx
ARDX
$1.24B
| $148K | ﹤0.01% |
+24,723
| New | +$164K |
|
|
NOWL
5187
GraniteShares 2x Long NOW Daily ETF
NOWL
$206M
| $148K | ﹤0.01% |
+24,811
| New | +$202K |
|
|
SSK
5188
REX-Osprey SOL + Staking ETF
SSK
$69.9M
| $148K | ﹤0.01% |
+13,136
| New | +$191K |
|
5189
CALL
FerroAtlántica
GSM
$628M
| $147K | ﹤0.01% |
35,800
-93,300
| -72% | -$450K |
|
5190
PUT
Icahn Enterprises
IEP
$5.17B
| $147K | ﹤0.01% |
19,500
-10,200
| -34% | -$80K |
|
5191
Allot
ALLT
$374M
| $147K | ﹤0.01% |
+22,093
| New | +$195K |
|
5192
PUT
Veritone
VERI
$96.7M
| $147K | ﹤0.01% |
74,600
+18,700
| +33% | +$63.2K |
|
5193
Petco
WOOF
$745M
| $147K | ﹤0.01% |
52,771
-37,619
| -42% | -$104K |
|
|
CAN
5194
PUT
Canaan Creative
CAN
$176M
| $147K | ﹤0.01% |
339,700
-263,600
| -44% | -$154K |
|
5195
PUT
Target Hospitality
TH
$1.61B
| $147K | ﹤0.01% |
15,800
-16,500
| -51% | -$131K |
|
5196
PUT
Nexa Resources
NEXA
$1.7B
| $145K | ﹤0.01% |
+13,700
| New | +$158K |
|
5197
PUT
Bain Capital Specialty
BCSF
$802M
| $145K | ﹤0.01% |
+11,700
| New | +$153K |
|
|
PLG
5198
Platinum Group Metals
PLG
$164M
| $145K | ﹤0.01% |
+81,939
| New | +$198K |
|
5199
CALL
Alight
ALIT
$497M
| $145K | ﹤0.01% |
12,430
-31,315
| -72% | -$746K |
|
5200
Utz Brands
UTZ
$1.25B
| $145K | ﹤0.01% |
+18,258
| New | +$170K |
|
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.