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 | |
|---|---|---|---|---|---|---|
1676
PUT
Cencora
COR
$59.2B
| $5.72M | ﹤0.01% |
18,200
-2,100
| -10% | -$733K |
|
|
VG
1677
Venture Global Inc
VG
$35.4B
| $5.71M | ﹤0.01% |
+362,564
| New | +$3.89M |
|
1678
PUT
Signet Jewelers
SIG
$3.53B
| $5.71M | ﹤0.01% |
67,500
+9,400
| +16% | +$856K |
|
1679
CALL
JFrog
FROG
$11B
| $5.7M | ﹤0.01% |
121,500
+2,000
| +2% | +$98.2K |
|
1680
PUT
Xenon Pharmaceuticals
XENE
$6.45B
| $5.7M | ﹤0.01% |
98,000
+33,400
| +52% | +$1.54M |
|
1681
PUT
Alpha Metallurgical Resources
AMR
$1.84B
| $5.69M | ﹤0.01% |
27,700
-10,800
| -28% | -$2.19M |
|
1682
Ecolab
ECL
$75.6B
| $5.69M | ﹤0.01% |
+21,373
| New | +$6.03M |
|
1683
PUT
Zions Bancorporation
ZION
$10.5B
| $5.68M | ﹤0.01% |
98,600
-200
| -0.2% | -$11.8K |
|
1684
CALL
Olin
OLN
$2.55B
| $5.68M | ﹤0.01% |
190,900
+71,200
| +59% | +$1.74M |
|
1685
PUT
iShares MSCI USA Momentum Factor ETF
MTUM
$25.3B
| $5.66M | ﹤0.01% |
23,600
+8,400
| +55% | +$2.11M |
|
|
PPTA
1686
CALL
Perpetua Resources
PPTA
$2.13B
| $5.66M | ﹤0.01% |
201,300
-13,100
| -6% | -$396K |
|
1687
CALL
Ouster
OUST
$2.34B
| $5.64M | ﹤0.01% |
307,200
-3,100
| -1% | -$67.5K |
|
1688
CALL
UBS Group
UBS
$169B
| $5.64M | ﹤0.01% |
144,400
-9,400
| -6% | -$402K |
|
1689
CALL
Leidos
LDOS
$13.4B
| $5.63M | ﹤0.01% |
36,200
-12,400
| -26% | -$2.23M |
|
1690
CALL
Regions Financial
RF
$26.6B
| $5.63M | ﹤0.01% |
215,400
+15,900
| +8% | +$444K |
|
1691
CALL
Quest Diagnostics
DGX
$22.9B
| $5.62M | ﹤0.01% |
28,700
-2,500
| -8% | -$486K |
|
1692
American Airlines Group
AAL
$10.1B
| $5.6M | ﹤0.01% |
521,334
+291,302
| +127% | +$3.86M |
|
1693
PUT
Onto Innovation
ONTO
$13.8B
| $5.6M | ﹤0.01% |
+27,300
| New | +$5.59M |
|
1694
PUT
Synchrony
SYF
$24.6B
| $5.56M | ﹤0.01% |
81,800
-41,600
| -34% | -$3.03M |
|
1695
PUT
FormFactor
FORM
$8.21B
| $5.56M | ﹤0.01% |
+57,300
| New | +$4.93M |
|
1696
CALL
F5
FFIV
$23.3B
| $5.56M | ﹤0.01% |
19,200
-4,200
| -18% | -$1.16M |
|
1697
CALL
Redwire
RDW
$2.08B
| $5.54M | ﹤0.01% |
651,800
+364,200
| +127% | +$3.57M |
|
1698
PUT
Everest Group
EG
$15B
| $5.52M | ﹤0.01% |
16,900
+6,200
| +58% | +$2.04M |
|
1699
iShares 20+ Year Treasury Bond ETF
TLT
$42.5B
| $5.52M | ﹤0.01% |
63,718
-134,222
| -68% | -$11.8M |
|
1700
CALL
Cinemark Holdings
CNK
$3.72B
| $5.52M | ﹤0.01% |
193,500
+98,400
| +103% | +$2.52M |
|
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.