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 | |
|---|---|---|---|---|---|---|
2101
CALL
Delek US
DK
$4.12B
| $3.46M | ﹤0.01% |
76,700
+2,000
| +3% | +$71.5K |
|
2102
Capital One
COF
$127B
| $3.46M | ﹤0.01% |
18,940
-22,425
| -54% | -$4.69M |
|
2103
PUT
Gildan
GIL
$9.95B
| $3.45M | ﹤0.01% |
62,000
-155,500
| -71% | -$10.1M |
|
2104
PUT
Eastman Chemical
EMN
$7.89B
| $3.45M | ﹤0.01% |
45,200
-22,600
| -33% | -$1.63M |
|
2105
CALL
Wabtec
WAB
$44.7B
| $3.45M | ﹤0.01% |
+13,800
| New | +$3.34M |
|
2106
CALL
Omega Healthcare
OHI
$15.1B
| $3.44M | ﹤0.01% |
78,600
-15,500
| -16% | -$707K |
|
2107
CALL
Ball Corp
BALL
$16.7B
| $3.43M | ﹤0.01% |
58,100
+7,600
| +15% | +$462K |
|
2108
PUT
Canadian Pacific Kansas City
CP
$80.9B
| $3.43M | ﹤0.01% |
43,600
+15,800
| +57% | +$1.25M |
|
2109
Baker Hughes
BKR
$55.9B
| $3.43M | ﹤0.01% |
+56,147
| New | +$3.25M |
|
2110
PUT
Tencent Music
TME
$14.6B
| $3.43M | ﹤0.01% |
369,300
+245,700
| +199% | +$3.63M |
|
|
PPTA
2111
PUT
Perpetua Resources
PPTA
$2.33B
| $3.43M | ﹤0.01% |
121,800
+17,100
| +16% | +$517K |
|
2112
Monolithic Power Systems
MPWR
$68B
| $3.42M | ﹤0.01% |
+3,131
| New | +$3.42M |
|
2113
PUT
Vista Energy
VIST
$7.25B
| $3.42M | ﹤0.01% |
45,300
+22,100
| +95% | +$1.29M |
|
2114
CleanSpark
CLSK
$3.95B
| $3.42M | ﹤0.01% |
401,736
-212,464
| -35% | -$2.27M |
|
2115
Natera
NTRA
$38.3B
| $3.42M | ﹤0.01% |
+17,088
| New | +$3.68M |
|
|
JMIA
2116
CALL
Jumia Technologies
JMIA
$778M
| $3.4M | ﹤0.01% |
493,400
-61,900
| -11% | -$624K |
|
2117
PUT
Keurig Dr Pepper
KDP
$41.1B
| $3.4M | ﹤0.01% |
129,200
-293,300
| -69% | -$8.22M |
|
2118
PUT
SharkNinja
SN
$20.9B
| $3.4M | ﹤0.01% |
32,100
-5,300
| -14% | -$620K |
|
2119
PUT
Viking Therapeutics
VKTX
$4.41B
| $3.4M | ﹤0.01% |
104,400
+24,300
| +30% | +$781K |
|
|
TEM
2120
Tempus AI
TEM
$8.8B
| $3.4M | ﹤0.01% |
+75,102
| New | +$4.27M |
|
2121
CALL
Erie Indemnity
ERIE
$11.3B
| $3.39M | ﹤0.01% |
+13,500
| New | +$3.62M |
|
2122
PUT
GDS Holdings
GDS
$6.57B
| $3.39M | ﹤0.01% |
84,200
-56,100
| -40% | -$2.41M |
|
2123
PUT
Ares Capital
ARCC
$13.6B
| $3.38M | ﹤0.01% |
187,700
+62,500
| +50% | +$1.21M |
|
2124
CALL
Vanguard Mega Cap Growth ETF
MGK
$33B
| $3.38M | ﹤0.01% |
46,000
-20,000
| -30% | -$1.57M |
|
|
CNR
2125
PUT
Core Natural Resources Inc
CNR
$4.25B
| $3.37M | ﹤0.01% |
32,200
+13,000
| +68% | +$1.24M |
|
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.