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 | |
|---|---|---|---|---|---|---|
5401
RPC Inc
RES
$1.3B
| $80.2K | ﹤0.01% |
+11,329
| New | +$70.6K |
|
5402
CALL
PagerDuty
PD
$666M
| $79.5K | ﹤0.01% |
12,800
-9,400
| -42% | -$81.3K |
|
5403
PUT
Payoneer
PAYO
$2.41B
| $79.2K | ﹤0.01% |
+16,400
| New | +$86.5K |
|
|
AGEN
5404
CALL
Agenus
AGEN
$258M
| $78.2K | ﹤0.01% |
+23,400
| New | +$77.7K |
|
5405
PUT
Playboy Inc
PLBY
$142M
| $77.8K | ﹤0.01% |
+51,200
| New | +$93.5K |
|
5406
Digital Turbine
APPS
$971M
| $77.8K | ﹤0.01% |
27,000
-13,047
| -33% | -$56K |
|
|
GLGG
5407
Leverage Shares 2X Long GLXY Daily ETF
GLGG
$2.92M
| $77.5K | ﹤0.01% |
+17,776
| New | +$163K |
|
5408
PUT
Lufax Holding
LU
$1.17B
| $77.4K | ﹤0.01% |
+41,400
| New | +$105K |
|
|
PAL
5409
Proficient Auto Logistics
PAL
$193M
| $77.3K | ﹤0.01% |
+11,395
| New | +$94K |
|
|
FLNA
5410
CALL
Filana Therapeutics
FLNA
$45M
| $77.1K | ﹤0.01% |
+45,600
| New | +$93.9K |
|
|
FFAI
5411
CALL
Faraday Future Intelligent Electric
FFAI
$26.1M
| $76.9K | ﹤0.01% |
279,800
-259,800
| -48% | -$179K |
|
5412
Aspen Aerogels
ASPN
$428M
| $76.8K | ﹤0.01% |
22,470
-80,460
| -78% | -$271K |
|
5413
CALL
AMC Global Media
AMCX
$430M
| $76.7K | ﹤0.01% |
+11,300
| New | +$88K |
|
|
NEWP
5414
New Pacific Metals
NEWP
$825M
| $76.4K | ﹤0.01% |
+18,446
| New | +$74.9K |
|
5415
Xponential Fitness
XPOF
$253M
| $76.2K | ﹤0.01% |
+12,660
| New | +$91.5K |
|
5416
BlackRock TCP Capital
TCPC
$263M
| $76.1K | ﹤0.01% |
+21,079
| New | +$97.8K |
|
|
HITI
5417
PUT
High Tide
HITI
$189M
| $75.3K | ﹤0.01% |
+32,900
| New | +$80.9K |
|
|
HITI
5418
High Tide
HITI
$189M
| $75.3K | ﹤0.01% |
+32,880
| New | +$80.8K |
|
5419
PUT
Outset Medical
OM
$78.4M
| $74.9K | ﹤0.01% |
+19,500
| New | +$79.9K |
|
5420
CALL
Gambling.com
GAMB
$64.9M
| $74.5K | ﹤0.01% |
+19,200
| New | +$86.1K |
|
|
SLI
5421
Standard Lithium
SLI
$529M
| $74.2K | ﹤0.01% |
21,754
-39,935
| -65% | -$179K |
|
|
CRON
5422
Cronos Group
CRON
$1.02B
| $73.9K | ﹤0.01% |
29,442
-159,787
| -84% | -$416K |
|
|
SLI
5423
CALL
Standard Lithium
SLI
$529M
| $73.7K | ﹤0.01% |
+21,600
| New | +$96.7K |
|
|
ILPT
5424
CALL
Industrial Logistics Properties Trust
ILPT
$613M
| $73.3K | ﹤0.01% |
+12,900
| New | +$75.1K |
|
5425
Cadiz
CDZI
$269M
| $73.1K | ﹤0.01% |
+14,893
| New | +$81.4K |
|
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.