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 | |
|---|---|---|---|---|---|---|
3301
CALL
Camtek
CAMT
$6.86B
| $985K | ﹤0.01% |
6,500
-11,400
| -64% | -$1.73M |
|
3302
CALL
SiteOne Landscape Supply
SITE
$4.55B
| $985K | ﹤0.01% |
+7,400
| New | +$1.05M |
|
3303
Zeta Global
ZETA
$5.32B
| $985K | ﹤0.01% |
61,867
-370,507
| -86% | -$6.86M |
|
|
NUAI
3304
CALL
New Era Energy & Digital Inc
NUAI
$522M
| $985K | ﹤0.01% |
+242,500
| New | +$1.22M |
|
3305
CALL
Avery Dennison
AVY
$12.1B
| $984K | ﹤0.01% |
+5,700
| New | +$1.05M |
|
3306
PUT
Alliance Resource Partners
ARLP
$3.13B
| $982K | ﹤0.01% |
35,500
+14,300
| +67% | +$370K |
|
3307
CALL
Sonos
SONO
$1.81B
| $981K | ﹤0.01% |
73,200
-58,400
| -44% | -$882K |
|
|
WDCX
3308
Tradr 2X Long WDC Daily ETF
WDCX
$155M
| $980K | ﹤0.01% |
+108,111
| New | +$1.11M |
|
|
HSAI
3309
Hesai Group
HSAI
$2.35B
| $980K | ﹤0.01% |
+51,263
| New | +$1.29M |
|
3310
CALL
Ameren
AEE
$30.6B
| $978K | ﹤0.01% |
8,900
-3,300
| -27% | -$353K |
|
3311
PUT
Procept Biorobotics
PRCT
$1.09B
| $978K | ﹤0.01% |
39,100
+16,700
| +75% | +$471K |
|
3312
PUT
Hyatt Hotels
H
$17.8B
| $978K | ﹤0.01% |
+6,800
| New | +$1.08M |
|
3313
PUT
ODDITY Tech
ODD
$751M
| $977K | ﹤0.01% |
73,000
+45,900
| +169% | +$1.15M |
|
3314
PUT
Highwoods Properties
HIW
$3.64B
| $976K | ﹤0.01% |
+45,600
| New | +$1.1M |
|
|
3315
CALL
Procept Biorobotics
PRCT
$1.09B
| $975K | ﹤0.01% |
39,000
+8,400
| +27% | +$237K |
|
3316
Alpha Metallurgical Resources
AMR
$1.83B
| $974K | ﹤0.01% |
+4,746
| New | +$962K |
|
|
AMTM
3317
PUT
Amentum Holdings
AMTM
$5.17B
| $973K | ﹤0.01% |
37,300
-16,400
| -31% | -$515K |
|
3318
PUT
Amer Sports
AS
$21.1B
| $971K | ﹤0.01% |
29,500
-32,000
| -52% | -$1.17M |
|
3319
Sportradar
SRAD
$4.41B
| $968K | ﹤0.01% |
57,835
-92,379
| -61% | -$1.72M |
|
3320
CALL
The Ensign Group
ENSG
$10.1B
| $967K | ﹤0.01% |
+4,800
| New | +$939K |
|
3321
CALL
Warby Parker
WRBY
$3.02B
| $967K | ﹤0.01% |
45,900
-47,000
| -51% | -$1.17M |
|
|
AIRL
3322
PUT
DELISTED
Themes Airlines ETF
AIRL
| $966K | ﹤0.01% |
97,900
+28,700
| +41% | +$283K |
|
3323
PUT
Pitney Bowes
PBI
$2.51B
| $966K | ﹤0.01% |
87,400
-42,900
| -33% | -$450K |
|
3324
CALL
SEALSQ Corp
LAES
$573M
| $965K | ﹤0.01% |
368,400
+120,100
| +48% | +$469K |
|
|
WAY
3325
CALL
Waystar Holding Corp
WAY
$4.24B
| $964K | ﹤0.01% |
40,000
+1,100
| +3% | +$29.2K |
|
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.