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 | |
|---|---|---|---|---|---|---|
2551
PUT
KBR
KBR
$4.38B
| $2.05M | ﹤0.01% |
+55,500
| New | +$2.28M |
|
2552
PUT
TD Synnex
SNX
$19.1B
| $2.04M | ﹤0.01% |
+12,100
| New | +$1.91M |
|
|
AMRZ
2553
PUT
Amrize Ltd
AMRZ
$27B
| $2.04M | ﹤0.01% |
36,400
+22,400
| +160% | +$1.28M |
|
2554
PUT
Yum China
YUMC
$15.1B
| $2.03M | ﹤0.01% |
41,600
+1,000
| +2% | +$51.8K |
|
2555
Vertex Pharmaceuticals
VRTX
$122B
| $2.02M | ﹤0.01% |
+4,533
| New | +$2.11M |
|
2556
CALL
Fiverr
FVRR
$413M
| $2.02M | ﹤0.01% |
202,000
+117,200
| +138% | +$1.61M |
|
2557
CALL
Brighthouse Financial
BHF
$3.73B
| $2.02M | ﹤0.01% |
33,800
+10,400
| +44% | +$649K |
|
2558
CALL
Coca-Cola Europacific Partners
CCEP
$47B
| $2.02M | ﹤0.01% |
22,300
+7,900
| +55% | +$759K |
|
2559
Regal Rexnord
RRX
$13.7B
| $2.02M | ﹤0.01% |
+10,795
| New | +$2.01M |
|
2560
PUT
Novavax
NVAX
$1.3B
| $2.02M | ﹤0.01% |
248,100
-126,000
| -34% | -$1.14M |
|
2561
CALL
Sarepta Therapeutics
SRPT
$1.78B
| $2.02M | ﹤0.01% |
92,800
+29,900
| +48% | +$579K |
|
2562
CALL
Group 1 Automotive
GPI
$3.64B
| $2.02M | ﹤0.01% |
+6,100
| New | +$2.13M |
|
2563
PUT
Western Union
WU
$2.71B
| $2.02M | ﹤0.01% |
230,900
+19,100
| +9% | +$181K |
|
2564
Weyerhaeuser
WY
$17.3B
| $2.01M | ﹤0.01% |
82,415
+12,372
| +18% | +$311K |
|
2565
PUT
Urban Outfitters
URBN
$6.41B
| $2.01M | ﹤0.01% |
31,700
-27,200
| -46% | -$1.87M |
|
2566
CALL
Universal Technical Institute
UTI
$2.09B
| $2.01M | ﹤0.01% |
55,600
+40,900
| +278% | +$1.29M |
|
2567
PUT
Extra Space Storage
EXR
$31.1B
| $2.01M | ﹤0.01% |
+15,300
| New | +$2.16M |
|
|
QPUX
2568
PUT
Defiance 2X Daily Long Pure Quantum ETF
QPUX
$27.6M
| $2.01M | ﹤0.01% |
+103,900
| New | +$3.46M |
|
2569
CALL
Kyndryl
KD
$2.69B
| $2M | ﹤0.01% |
152,700
+15,700
| +11% | +$276K |
|
2570
CALL
The RealReal
REAL
$1.39B
| $2M | ﹤0.01% |
220,300
+162,100
| +279% | +$2.05M |
|
2571
PUT
Freedom Holding
FRHC
$10B
| $2M | ﹤0.01% |
13,800
+600
| +5% | +$76.9K |
|
|
NVMI
2572
PUT
Nova
NVMI
$13.8B
| $2M | ﹤0.01% |
+4,600
| New | +$2.03M |
|
2573
iShares MSCI China ETF
MCHI
$6.12B
| $2M | ﹤0.01% |
+35,544
| New | +$2.13M |
|
2574
Invesco Dorsey Wright Financial Momentum ETF
PFI
$54.8M
| $1.99M | ﹤0.01% |
37,451
+5,195
| +16% | +$292K |
|
2575
PUT
Amdocs
DOX
$5.65B
| $1.99M | ﹤0.01% |
+30,500
| New | +$2.23M |
|
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.