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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2676
CALL
Main Street Capital
MAIN
$5.54B
| $1.05M | ﹤0.01% |
16,500
+5,000
| +43% | +$323K |
|
2677
CALL
SM Energy
SM
$7.71B
| $1.05M | ﹤0.01% |
42,000
-6,000
| -13% | -$162K |
|
2678
SSR Mining
SSRM
$6.49B
| $1.05M | ﹤0.01% |
+42,935
| New | +$726K |
|
2679
PUT
Appian
APPN
$2.65B
| $1.05M | ﹤0.01% |
34,200
-109,000
| -76% | -$3.28M |
|
2680
CALL
Tilray
TLRY
$640M
| $1.04M | ﹤0.01% |
+60,320
| New | +$577K |
|
2681
PUT
Nokia
NOK
$59B
| $1.04M | ﹤0.01% |
216,900
+31,600
| +17% | +$143K |
|
2682
PUT
Box
BOX
$4.66B
| $1.04M | ﹤0.01% |
32,300
+16,800
| +108% | +$544K |
|
2683
Galicia Financial Group
GGAL
$7.23B
| $1.04M | ﹤0.01% |
+37,710
| New | +$1.62M |
|
2684
PUT
Sabre
SABR
$892M
| $1.04M | ﹤0.01% |
567,400
+169,000
| +42% | +$399K |
|
2685
YPF Sociedad Anonima American Depositary Shares (Each representing ten (10) Class D shares of Capital Stock)
YPF
$19.4B
| $1.04M | ﹤0.01% |
+42,712
| New | +$1.31M |
|
2686
PUT
Gogo Inc
GOGO
$377M
| $1.04M | ﹤0.01% |
120,600
+37,900
| +46% | +$480K |
|
2687
Ramaco Resources Class A
METC
$667M
| $1.04M | ﹤0.01% |
31,188
-2,816
| -8% | -$65.5K |
|
2688
CALL
Grindr
GRND
$2.74B
| $1.03M | ﹤0.01% |
68,900
-6,800
| -9% | -$119K |
|
2689
PUT
Trupanion
TRUP
$1.36B
| $1.03M | ﹤0.01% |
23,900
-8,500
| -26% | -$404K |
|
2690
PUT
Kosmos Energy
KOS
$1.51B
| $1.03M | ﹤0.01% |
622,000
+139,400
| +29% | +$261K |
|
2691
PUT
Olin
OLN
$2.17B
| $1.03M | ﹤0.01% |
41,300
+7,400
| +22% | +$164K |
|
2692
CALL
Champion Homes
SKY
$5.23B
| $1.03M | ﹤0.01% |
+13,500
| New | +$953K |
|
2693
CALL
Viatris
VTRS
$18.4B
| $1.03M | ﹤0.01% |
103,700
+45,800
| +79% | +$446K |
|
2694
iShares MSCI India ETF
INDA
$6.58B
| $1.03M | ﹤0.01% |
19,718
+9,102
| +86% | +$487K |
|
2695
NexGen Energy
NXE
$6.97B
| $1.03M | ﹤0.01% |
114,586
-115,771
| -50% | -$854K |
|
2696
Direxion Daily AMZN Bear 1X ETF
AMZD
$11.6M
| $1.03M | ﹤0.01% |
+95,088
| New | +$1.01M |
|
2697
PUT
Organon & Co
OGN
$3.6B
| $1.02M | ﹤0.01% |
95,500
+29,000
| +44% | +$285K |
|
2698
CALL
Braze
BRZE
$3.36B
| $1.02M | ﹤0.01% |
35,800
+16,100
| +82% | +$456K |
|
2699
PUT
CenterPoint Energy
CNP
$26.7B
| $1.02M | ﹤0.01% |
26,200
+1,900
| +8% | +$71.8K |
|
2700
CALL
Imperial Oil
IMO
$64B
| $1.02M | ﹤0.01% |
+11,200
| New | +$968K |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.