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 | |
|---|---|---|---|---|---|---|
2151
NextNav
NN
$1.82B
| $3.28M | ﹤0.01% |
204,800
-78,091
| -28% | -$1.26M |
|
2152
PUT
Innovative Industrial Properties
IIPR
$1.83B
| $3.28M | ﹤0.01% |
65,300
+3,200
| +5% | +$161K |
|
2153
Alamos Gold
AGI
$12.4B
| $3.27M | ﹤0.01% |
73,627
-157,503
| -68% | -$6.94M |
|
|
MPT
2154
CALL
Medical Properties Trust
MPT
$2.91B
| $3.27M | ﹤0.01% |
706,000
+319,500
| +83% | +$1.67M |
|
2155
PUT
C3.ai
AI
$1.34B
| $3.26M | ﹤0.01% |
387,300
+221,900
| +134% | +$2.38M |
|
2156
CALL
Masco
MAS
$15.5B
| $3.26M | ﹤0.01% |
54,000
+38,600
| +251% | +$2.61M |
|
2157
PUT
Ambarella
AMBA
$3.13B
| $3.26M | ﹤0.01% |
63,300
-52,000
| -45% | -$3.24M |
|
2158
B2Gold
BTG
$5.09B
| $3.25M | ﹤0.01% |
718,228
+151,374
| +27% | +$760K |
|
2159
PUT
Quest Diagnostics
DGX
$22.9B
| $3.25M | ﹤0.01% |
16,600
-700
| -4% | -$136K |
|
2160
PUT
Equity Residential
EQR
$25.6B
| $3.25M | ﹤0.01% |
55,000
-14,100
| -20% | -$870K |
|
2161
PUT
Tyler Technologies
TYL
$12.3B
| $3.25M | ﹤0.01% |
+9,500
| New | +$3.54M |
|
2162
e.l.f. Beauty
ELF
$4.71B
| $3.25M | ﹤0.01% |
53,637
+7,697
| +17% | +$626K |
|
2163
CALL
GigaCloud Technology
GCT
$1.44B
| $3.24M | ﹤0.01% |
71,500
-19,700
| -22% | -$801K |
|
2164
Tower Semiconductor
TSEM
$28.4B
| $3.24M | ﹤0.01% |
+18,458
| New | +$2.48M |
|
2165
PUT
Archer Aviation
ACHR
$4.03B
| $3.24M | ﹤0.01% |
625,800
-49,500
| -7% | -$353K |
|
2166
PUT
Coca-Cola Consolidated
COKE
$12.2B
| $3.22M | ﹤0.01% |
+16,800
| New | +$2.94M |
|
2167
ProShares UltraPro S&P 500
UPRO
$5.31B
| $3.21M | ﹤0.01% |
+33,148
| New | +$3.75M |
|
2168
CALL
Fortune Brands Innovations
FBIN
$5.91B
| $3.21M | ﹤0.01% |
82,300
+71,700
| +676% | +$3.73M |
|
2169
PUT
Equinox Gold
EQX
$7.15B
| $3.2M | ﹤0.01% |
221,600
+38,000
| +21% | +$581K |
|
2170
CALL
Sportradar
SRAD
$4.35B
| $3.2M | ﹤0.01% |
191,400
+114,800
| +150% | +$2.13M |
|
2171
PUT
QuantumScape Corp
QS
$3.72B
| $3.2M | ﹤0.01% |
501,900
-561,600
| -53% | -$4.67M |
|
2172
CALL
Huntington Bancshares
HBAN
$36.8B
| $3.2M | ﹤0.01% |
204,600
-31,300
| -13% | -$535K |
|
2173
Goldman Sachs Physical Gold ETF Shares
AAAU
$2.48B
| $3.2M | ﹤0.01% |
+69,256
| New | +$3.33M |
|
2174
PUT
ATI
ATI
$26.9B
| $3.19M | ﹤0.01% |
21,900
-4,000
| -15% | -$557K |
|
2175
CALL
Expeditors International
EXPD
$23.4B
| $3.18M | ﹤0.01% |
22,200
-218,100
| -91% | -$33.1M |
|
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.