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 | |
|---|---|---|---|---|---|---|
2376
CALL
SPX Corp
SPXC
$10.9B
| $2.46M | ﹤0.01% |
+12,300
| New | +$2.64M |
|
2377
Archer Aviation
ACHR
$4.03B
| $2.46M | ﹤0.01% |
475,196
+322,523
| +211% | +$2.3M |
|
2378
iShares Gold Trust
IAU
$63.4B
| $2.46M | ﹤0.01% |
+27,860
| New | +$2.56M |
|
2379
CALL
Assured Guaranty
AGO
$3.75B
| $2.45M | ﹤0.01% |
+30,100
| New | +$2.57M |
|
2380
PUT
Curtiss-Wright
CW
$26.7B
| $2.45M | ﹤0.01% |
+3,600
| New | +$2.39M |
|
2381
PUT
Principal Financial Group
PFG
$23.7B
| $2.45M | ﹤0.01% |
+27,200
| New | +$2.49M |
|
2382
BioNTech
BNTX
$23.3B
| $2.45M | ﹤0.01% |
27,571
+2,866
| +12% | +$295K |
|
2383
PUT
United States Copper Index Fund
CPER
$765M
| $2.45M | ﹤0.01% |
71,100
+35,400
| +99% | +$1.26M |
|
|
2384
AST SpaceMobile
ASTS
$18.9B
| $2.45M | ﹤0.01% |
29,534
-659,432
| -96% | -$62.2M |
|
2385
TotalEnergies
TTE
$186B
| $2.44M | ﹤0.01% |
+26,866
| New | +$2.05M |
|
2386
Ramaco Resources Class A
METC
$775M
| $2.44M | ﹤0.01% |
157,842
+37,988
| +32% | +$673K |
|
2387
CALL
Universal Display
OLED
$3.84B
| $2.44M | ﹤0.01% |
26,600
-22,300
| -46% | -$2.47M |
|
2388
PUT
Harmony Gold Mining
HMY
$9.58B
| $2.43M | ﹤0.01% |
158,100
-25,600
| -14% | -$506K |
|
2389
TTM Technologies
TTMI
$15.3B
| $2.43M | ﹤0.01% |
24,902
-5,126
| -17% | -$488K |
|
2390
Copart
CPRT
$25.2B
| $2.42M | ﹤0.01% |
73,041
-31,044
| -30% | -$1.17M |
|
2391
Conagra Brands
CAG
$7.11B
| $2.42M | ﹤0.01% |
154,243
+102,323
| +197% | +$1.81M |
|
2392
PUT
Elastic
ESTC
$6.26B
| $2.42M | ﹤0.01% |
48,500
+5,600
| +13% | +$344K |
|
2393
PUT
ResMed
RMD
$28.4B
| $2.42M | ﹤0.01% |
10,800
-47,700
| -82% | -$11.9M |
|
2394
ProShares Ultra Industrials
UXI
$30.6M
| $2.42M | ﹤0.01% |
48,987
+19,898
| +68% | +$1.07M |
|
2395
CALL
FLEX LNG
FLNG
$1.69B
| $2.41M | ﹤0.01% |
81,200
+23,500
| +41% | +$650K |
|
2396
CALL
Goodyear
GT
$2.1B
| $2.4M | ﹤0.01% |
361,900
-81,400
| -18% | -$686K |
|
2397
PUT
JPMorgan Inflation Managed Bond ETF
JCPI
$867M
| $2.4M | ﹤0.01% |
43,200
+6,800
| +19% | +$329K |
|
2398
PUT
Valmont Industries
VMI
$9.81B
| $2.4M | ﹤0.01% |
+6,000
| New | +$2.62M |
|
2399
CALL
Copa Holdings
CPA
$5.75B
| $2.4M | ﹤0.01% |
21,100
-4,700
| -18% | -$617K |
|
2400
Expeditors International
EXPD
$23.4B
| $2.38M | ﹤0.01% |
+16,644
| New | +$2.53M |
|
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.