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 | |
|---|---|---|---|---|---|---|
926
CALL
Clear Secure
YOU
$5.76B
| $17.8M | 0.01% |
366,700
-27,400
| -7% | -$1.09M |
|
|
Q
927
PUT
Qnity Electronics Inc
Q
$28.2B
| $17.7M | 0.01% |
153,800
+79,000
| +106% | +$8.39M |
|
928
CALL
Suncor Energy
SU
$73.5B
| $17.6M | 0.01% |
266,900
+60,300
| +29% | +$3.33M |
|
929
PUT
Realty Income
O
$60.8B
| $17.6M | 0.01% |
287,800
-18,700
| -6% | -$1.17M |
|
930
CALL
TotalEnergies
TTE
$180B
| $17.6M | 0.01% |
193,500
-6,400
| -3% | -$489K |
|
931
Sea Limited
SE
$64.7B
| $17.6M | 0.01% |
212,221
+112,709
| +113% | +$12.1M |
|
932
CALL
Fastenal
FAST
$51.4B
| $17.4M | 0.01% |
375,900
+126,400
| +51% | +$5.67M |
|
933
PUT
Rio Tinto
RIO
$145B
| $17.3M | 0.01% |
185,900
+76,700
| +70% | +$6.99M |
|
934
PUT
Lemonade
LMND
$5.18B
| $17.3M | 0.01% |
275,500
-62,100
| -18% | -$4.3M |
|
935
CALL
Intuitive Machines
LUNR
$2.22B
| $17.3M | 0.01% |
930,300
-74,500
| -7% | -$1.37M |
|
936
CALL
Bunge Global
BG
$23.4B
| $17.2M | 0.01% |
135,600
+54,600
| +67% | +$6.34M |
|
937
CALL
Crocs
CROX
$6.73B
| $17.2M | 0.01% |
206,800
-214,600
| -51% | -$18.4M |
|
938
CALL
Zillow
Z
$7.56B
| $17.1M | 0.01% |
413,800
-13,300
| -3% | -$707K |
|
939
PUT
Oneok
OKE
$58.9B
| $17.1M | 0.01% |
189,400
-13,700
| -7% | -$1.13M |
|
940
Robinhood
HOOD
$89.1B
| $17.1M | 0.01% |
246,482
+158,024
| +179% | +$13.9M |
|
941
CALL
Plains All American Pipeline
PAA
$17.2B
| $17M | 0.01% |
761,800
-265,200
| -26% | -$5.39M |
|
942
PUT
Veeva Systems
VEEV
$32.1B
| $17M | 0.01% |
96,800
+23,000
| +31% | +$4.52M |
|
943
PUT
Microchip Technology
MCHP
$43.7B
| $17M | 0.01% |
262,600
+61,600
| +31% | +$4.43M |
|
944
PUT
Equinor
EQNR
$88.8B
| $16.9M | 0.01% |
401,500
+246,900
| +160% | +$7.44M |
|
945
Cloudflare
NET
$96.7B
| $16.9M | 0.01% |
82,095
+18,260
| +29% | +$3.48M |
|
946
PUT
Kratos Defense & Security Solutions
KTOS
$8.61B
| $16.9M | 0.01% |
240,100
+74,300
| +45% | +$7.12M |
|
947
CALL
Molina Healthcare
MOH
$12B
| $16.8M | 0.01% |
125,800
+49,900
| +66% | +$7.94M |
|
948
CALL
Li Auto
LI
$12.3B
| $16.8M | 0.01% |
939,900
+393,900
| +72% | +$6.88M |
|
949
Spotify
SPOT
$101B
| $16.7M | 0.01% |
34,523
+10,664
| +45% | +$5.35M |
|
950
PUT
Electronic Arts
EA
$52.5B
| $16.7M | 0.01% |
82,100
+13,400
| +20% | +$2.7M |
|
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.