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 | |
|---|---|---|---|---|---|---|
5251
Ginkgo Bioworks
DNA
$507M
| $126K | ﹤0.01% |
+20,501
| New | +$171K |
|
|
LAND
5252
CALL
Gladstone Land Corp
LAND
$370M
| $125K | ﹤0.01% |
12,300
-12,500
| -50% | -$134K |
|
5253
PUT
Graphic Packaging
GPK
$3.18B
| $125K | ﹤0.01% |
+12,600
| New | +$159K |
|
|
IONZ
5254
PUT
Defiance Daily Target 2x Short IONQ ETF
IONZ
$20.4M
| $125K | ﹤0.01% |
12,200
-106,200
| -90% | -$2.31M |
|
|
FOCL
5255
CALL
EDAP TMS S.A.
FOCL
$232M
| $125K | ﹤0.01% |
+33,500
| New | +$138K |
|
5256
CALL
Marqeta
MQ
$1.77B
| $124K | ﹤0.01% |
7,625
-48,550
| -86% | -$818K |
|
5257
CALL
GoodRx Holdings
GDRX
$972M
| $124K | ﹤0.01% |
63,100
-50,700
| -45% | -$119K |
|
|
AIRO
5258
PUT
AIRO Group Holdings
AIRO
$220M
| $123K | ﹤0.01% |
16,200
-22,000
| -58% | -$229K |
|
|
GTM
5259
PUT
ZoomInfo Technologies
GTM
$866M
| $123K | ﹤0.01% |
20,600
-101,300
| -83% | -$745K |
|
|
TGEN
5260
PUT
Tecogen Inc
TGEN
$99.9M
| $123K | ﹤0.01% |
48,000
-4,100
| -8% | -$15.1K |
|
5261
PUT
BlackRock TCP Capital
TCPC
$263M
| $122K | ﹤0.01% |
+33,900
| New | +$157K |
|
5262
Atlas Lithium Corp
ATLX
$84.6M
| $122K | ﹤0.01% |
+28,001
| New | +$140K |
|
5263
PUT
Ocugen
OCGN
$420M
| $121K | ﹤0.01% |
+67,000
| New | +$116K |
|
|
PANG
5264
Leverage Shares 2X Long PANW Daily ETF
PANG
$6.21M
| $121K | ﹤0.01% |
+15,619
| New | +$140K |
|
5265
CALL
Neogen
NEOG
$2.09B
| $121K | ﹤0.01% |
+13,000
| New | +$128K |
|
5266
Sprout Social
SPT
$454M
| $121K | ﹤0.01% |
+21,178
| New | +$163K |
|
5267
GoPro
GPRO
$117M
| $120K | ﹤0.01% |
156,264
-82,035
| -34% | -$82.5K |
|
5268
CALL
Funko
FNKO
$319M
| $120K | ﹤0.01% |
38,100
-41,200
| -52% | -$164K |
|
5269
CALL
Grocery Outlet
GO
$895M
| $120K | ﹤0.01% |
+17,000
| New | +$148K |
|
5270
Algonquin Power & Utilities
AQN
$4.61B
| $120K | ﹤0.01% |
+19,515
| New | +$127K |
|
5271
CALL
First Watch Restaurant Group
FWRG
$742M
| $119K | ﹤0.01% |
+11,400
| New | +$165K |
|
5272
PUT
The Oncology Institute
TOI
$510M
| $119K | ﹤0.01% |
+38,700
| New | +$119K |
|
5273
PUT
Kopin
KOPN
$689M
| $119K | ﹤0.01% |
+52,800
| New | +$128K |
|
5274
CALL
Playboy Inc
PLBY
$143M
| $119K | ﹤0.01% |
+78,100
| New | +$143K |
|
|
DCH
5275
PUT
Dauch Corp
DCH
$1.33B
| $118K | ﹤0.01% |
+19,900
| New | +$138K |
|
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.