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 | |
|---|---|---|---|---|---|---|
4826
CALL
Ferrovial N.V. Ordinary Shares
FER
$45.3B
| $241K | ﹤0.01% |
+3,736
| New | +$252K |
|
4827
CALL
Tecnoglass
TGLS
$2.01B
| $241K | ﹤0.01% |
+5,400
| New | +$261K |
|
4828
PUT
Stratasys
SSYS
$697M
| $241K | ﹤0.01% |
+30,800
| New | +$301K |
|
4829
PUT
indie Semiconductor
INDI
$733M
| $240K | ﹤0.01% |
74,600
-6,200
| -8% | -$21.9K |
|
4830
CALL
Smart Sand
SND
$200M
| $240K | ﹤0.01% |
+46,800
| New | +$211K |
|
|
SAFE
4831
PUT
Safehold
SAFE
$1.19B
| $239K | ﹤0.01% |
+17,700
| New | +$262K |
|
4832
CALL
Microbot Medical
MBOT
$115M
| $239K | ﹤0.01% |
+99,100
| New | +$221K |
|
4833
Dorian LPG
LPG
$1.94B
| $239K | ﹤0.01% |
+6,983
| New | +$221K |
|
4834
CALL
China Yuchai International
CYD
$1.69B
| $239K | ﹤0.01% |
+6,200
| New | +$277K |
|
4835
CALL
Astrana Health
ASTH
$2B
| $238K | ﹤0.01% |
+9,700
| New | +$230K |
|
4836
PUT
RenaissanceRe
RNR
$13.7B
| $238K | ﹤0.01% |
+800
| New | +$232K |
|
|
BORR
4837
CALL
Borr Drilling
BORR
$1.31B
| $238K | ﹤0.01% |
+41,200
| New | +$211K |
|
|
FRMM
4838
CALL
Forum Markets
FRMM
$75.7M
| $238K | ﹤0.01% |
82,200
-92,000
| -53% | -$351K |
|
4839
Solid Power
SLDP
$468M
| $237K | ﹤0.01% |
+78,999
| New | +$318K |
|
4840
CALL
MBIA
MBI
$288M
| $236K | ﹤0.01% |
39,900
-12,300
| -24% | -$78.4K |
|
4841
CALL
Sprinklr
CXM
$1.33B
| $235K | ﹤0.01% |
+39,200
| New | +$243K |
|
4842
PUT
Frontier Group Holdings
ULCC
$1.34B
| $235K | ﹤0.01% |
66,600
+19,300
| +41% | +$88.2K |
|
4843
PUT
BrightSpring Health Services
BTSG
$14.3B
| $234K | ﹤0.01% |
+5,500
| New | +$222K |
|
|
IRE
4844
Defiance Daily Target 2x Long IREN ETF
IRE
$234M
| $234K | ﹤0.01% |
+17,905
| New | +$517K |
|
|
PR
4845
Permian Resources
PR
$17.9B
| $234K | ﹤0.01% |
+10,956
| New | +$189K |
|
4846
PUT
Louisiana-Pacific
LPX
$5.2B
| $233K | ﹤0.01% |
+3,200
| New | +$270K |
|
4847
PUT
Lands' End
LE
$361M
| $233K | ﹤0.01% |
+20,700
| New | +$327K |
|
4848
Imperial Petroleum
IMPP
$215M
| $232K | ﹤0.01% |
+54,119
| New | +$216K |
|
4849
PUT
Ryanair
RYAAY
$29.5B
| $231K | ﹤0.01% |
+4,000
| New | +$264K |
|
|
CAI
4850
Caris Life Sciences
CAI
$4.39B
| $231K | ﹤0.01% |
+12,919
| New | +$282K |
|
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.