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 | |
|---|---|---|---|---|---|---|
|
ETHE
1826
CALL
Grayscale Ethereum Staking ETF Shares
ETHE
$1.56B
| $4.75M | ﹤0.01% |
278,000
-194,200
| -41% | -$3.8M |
|
1827
PUT
dLocal
DLO
$4.32B
| $4.74M | ﹤0.01% |
365,400
+146,000
| +67% | +$1.9M |
|
1828
CALL
Canadian Imperial Bank of Commerce
CM
$107B
| $4.73M | ﹤0.01% |
49,900
+30,900
| +163% | +$2.95M |
|
|
FISV
1829
Fiserv Inc
FISV
$27.1B
| $4.71M | ﹤0.01% |
84,468
-81,142
| -49% | -$5.02M |
|
1830
PUT
Sociedad Química y Minera de Chile
SQM
$19.8B
| $4.71M | ﹤0.01% |
58,200
-32,800
| -36% | -$2.5M |
|
1831
CALL
PG&E
PCG
$38.6B
| $4.71M | ﹤0.01% |
267,800
-532,500
| -67% | -$9.06M |
|
1832
CALL
Insulet
PODD
$11.4B
| $4.68M | ﹤0.01% |
22,300
-600
| -3% | -$151K |
|
1833
PUT
Sharplink Inc
SBET
$1.33B
| $4.66M | ﹤0.01% |
722,700
-304,800
| -30% | -$2.47M |
|
1834
PUT
HEICO Corp
HEI
$47.9B
| $4.66M | ﹤0.01% |
+17,000
| New | +$5.47M |
|
1835
PUT
Carlyle Group
CG
$16.1B
| $4.66M | ﹤0.01% |
96,300
+35,900
| +59% | +$1.98M |
|
1836
CALL
Keurig Dr Pepper
KDP
$41.6B
| $4.66M | ﹤0.01% |
176,800
-81,100
| -31% | -$2.27M |
|
1837
PUT
Kinsale Capital Group
KNSL
$7.83B
| $4.65M | ﹤0.01% |
13,600
+3,600
| +36% | +$1.36M |
|
1838
CALL
Brookfield
BN
$104B
| $4.63M | ﹤0.01% |
114,500
+70,400
| +160% | +$3.12M |
|
1839
PUT
Peloton Interactive
PTON
$2.8B
| $4.63M | ﹤0.01% |
1,079,900
+188,000
| +21% | +$917K |
|
1840
PUT
Illumina
ILMN
$28.8B
| $4.62M | ﹤0.01% |
37,500
-31,100
| -45% | -$4.08M |
|
1841
CALL
Sempra
SRE
$59B
| $4.62M | ﹤0.01% |
47,500
+2,400
| +5% | +$220K |
|
1842
PUT
Knight Transportation
KNX
$12.4B
| $4.61M | ﹤0.01% |
80,100
-3,800
| -5% | -$218K |
|
1843
CALL
Cal-Maine
CALM
$4.18B
| $4.61M | ﹤0.01% |
58,200
-4,800
| -8% | -$394K |
|
1844
PUT
Trump Media & Technology Group
DJT
$2.71B
| $4.6M | ﹤0.01% |
496,200
-799,300
| -62% | -$9.18M |
|
1845
PennyMac Financial
PFSI
$4.34B
| $4.6M | ﹤0.01% |
52,671
+23,940
| +83% | +$2.57M |
|
1846
McDonald's
MCD
$188B
| $4.6M | ﹤0.01% |
+14,810
| New | +$4.72M |
|
1847
PUT
Mobileye
MBLY
$7.64B
| $4.6M | ﹤0.01% |
669,600
-129,700
| -16% | -$1.17M |
|
1848
PUT
Ramaco Resources Class A
METC
$776M
| $4.59M | ﹤0.01% |
296,700
+26,900
| +10% | +$477K |
|
|
Q
1849
Qnity Electronics Inc
Q
$29.1B
| $4.58M | ﹤0.01% |
+39,730
| New | +$4.22M |
|
1850
PUT
Lumen
LUMN
$6.99B
| $4.58M | ﹤0.01% |
659,500
+81,500
| +14% | +$617K |
|
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.