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 | |
|---|---|---|---|---|---|---|
5576
CALL
Commercial Vehicle Group
CVGI
$157M
| $35.5K | ﹤0.01% |
+10,400
| New | +$21.4K |
|
|
GAU
5577
PUT
Galiano Gold
GAU
$478M
| $35.4K | ﹤0.01% |
+14,100
| New | +$39.9K |
|
|
BLDP
5578
PUT
Ballard Power Systems
BLDP
$929M
| $35.1K | ﹤0.01% |
+14,500
| New | +$34.6K |
|
|
TGEN
5579
Tecogen Inc
TGEN
$102M
| $34.9K | ﹤0.01% |
13,650
-29,305
| -68% | -$108K |
|
5580
MannKind Corp
MNKD
$1.2B
| $34.9K | ﹤0.01% |
+14,238
| New | +$63.5K |
|
|
DDL
5581
Dingdong
DDL
$523M
| $34.7K | ﹤0.01% |
+13,520
| New | +$37.6K |
|
5582
CALL
Rackspace Technology
RXT
$1.02B
| $34.7K | ﹤0.01% |
+35,400
| New | +$43K |
|
|
NNDM
5583
PUT
Nano Dimension
NNDM
$309M
| $34.7K | ﹤0.01% |
20,400
-160,900
| -89% | -$293K |
|
5584
CALL
Arbe Robotics
ARBE
$86.9M
| $34.6K | ﹤0.01% |
+56,800
| New | +$59K |
|
|
ZENA
5585
CALL
ZenaTech Inc
ZENA
$132M
| $34.4K | ﹤0.01% |
+15,000
| New | +$45.4K |
|
5586
CALL
Offerpad Solutions
OPAD
$21.3M
| $34.3K | ﹤0.01% |
+5,240
| New | +$51.5K |
|
|
SQNS
5587
CALL
Sequans Communications SA
SQNS
$38M
| $34.2K | ﹤0.01% |
+13,500
| New | +$51.2K |
|
5588
PUT
TRX Gold Corp
TRX
$262M
| $34K | ﹤0.01% |
+22,700
| New | +$33.5K |
|
5589
CALL
Neonode
NEON
$13.6M
| $33.9K | ﹤0.01% |
+24,200
| New | +$41.9K |
|
5590
CALL
New Fortress Energy
NFE
$96.7M
| $33.6K | ﹤0.01% |
+57,000
| New | +$66.7K |
|
5591
CALL
Stereotaxis
STXS
$139M
| $32.2K | ﹤0.01% |
+17,500
| New | +$38.4K |
|
|
BHR
5592
CALL
Braemar Hotels & Resorts
BHR
$147M
| $31.9K | ﹤0.01% |
+13,500
| New | +$37.6K |
|
5593
PUT
iHeartMedia
IHRT
$541M
| $31.8K | ﹤0.01% |
+10,900
| New | +$36.1K |
|
5594
PUT
Getty Images
GETY
$181M
| $31.7K | ﹤0.01% |
+39,900
| New | +$40.2K |
|
5595
Altimmune
ALT
$546M
| $30.8K | ﹤0.01% |
10,004
-163,126
| -94% | -$693K |
|
5596
PUT
Repay Holdings
RPAY
$298M
| $30.4K | ﹤0.01% |
+11,700
| New | +$37.5K |
|
|
VIVO
5597
CALL
VivoPower PLC
VIVO
$118M
| $30.1K | ﹤0.01% |
+13,100
| New | +$29.2K |
|
5598
CALL
Wipro
WIT
$17.6B
| $30.1K | ﹤0.01% |
+14,200
| New | +$34.6K |
|
|
BZAI
5599
PUT
Blaize Holdings
BZAI
$140M
| $30K | ﹤0.01% |
+16,500
| New | +$24.3K |
|
|
ARBK
5600
CALL
Argo Blockchain
ARBK
$44.6M
| $29.8K | ﹤0.01% |
+10,400
| New | +$35.8K |
|
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.