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 | |
|---|---|---|---|---|---|---|
2251
CALL
Plains GP Holdings
PAGP
$4.98B
| $1.93M | ﹤0.01% |
105,800
-16,900
| -14% | -$323K |
|
2252
PUT
GlobalFoundries
GFS
$28.9B
| $1.92M | ﹤0.01% |
53,700
+29,000
| +117% | +$1.03M |
|
2253
PUT
International Flavors & Fragrances
IFF
$21.4B
| $1.92M | ﹤0.01% |
31,200
+6,200
| +25% | +$426K |
|
2254
PUT
Viasat
VSAT
$11.4B
| $1.92M | ﹤0.01% |
65,400
+17,000
| +35% | +$407K |
|
2255
CALL
JPMorgan Inflation Managed Bond ETF
JCPI
$872M
| $1.92M | ﹤0.01% |
+33,300
| New | +$1.61M |
|
2256
CALL
TAL Education Group
TAL
$6.58B
| $1.91M | ﹤0.01% |
170,900
-137,200
| -45% | -$1.48M |
|
2257
Sunoco
SUN
$14.2B
| $1.91M | ﹤0.01% |
+38,251
| New | +$1.99M |
|
2258
Coinshares Bitcoin ETF
BRRR
$399M
| $1.9M | ﹤0.01% |
+58,892
| New | +$1.91M |
|
2259
CALL
Asana
ASAN
$2.28B
| $1.9M | ﹤0.01% |
142,500
+21,000
| +17% | +$297K |
|
2260
PUT
Camtek
CAMT
$8.06B
| $1.9M | ﹤0.01% |
+18,100
| New | +$1.62M |
|
2261
PUT
Jack in the Box
JACK
$358M
| $1.9M | ﹤0.01% |
96,000
+26,200
| +38% | +$521K |
|
2262
VanEck Uranium + Nuclear Energy ETF
NLR
$4.2B
| $1.9M | ﹤0.01% |
13,980
-6,025
| -30% | -$718K |
|
|
KC
2263
PUT
Kingsoft Cloud Holdings
KC
$3.42B
| $1.9M | ﹤0.01% |
127,100
+95,300
| +300% | +$1.38M |
|
2264
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.69B
| $1.89M | ﹤0.01% |
14,324
-6,645
| -32% | -$858K |
|
2265
PUT
Restaurant Brands International
QSR
$26.1B
| $1.89M | ﹤0.01% |
29,500
-1,400
| -5% | -$92.1K |
|
2266
Groupon
GRPN
$901M
| $1.89M | ﹤0.01% |
+81,012
| New | +$2.33M |
|
2267
Fastly Inc
FSLY
$4.78B
| $1.89M | ﹤0.01% |
221,221
+47,148
| +27% | +$349K |
|
2268
PUT
TG Therapeutics
TGTX
$7.34B
| $1.89M | ﹤0.01% |
52,300
+3,600
| +7% | +$119K |
|
2269
PUT
Vanguard High Dividend Yield ETF
VYM
$84.2B
| $1.89M | ﹤0.01% |
13,400
+2,000
| +18% | +$275K |
|
2270
JFrog
FROG
$11.5B
| $1.89M | ﹤0.01% |
39,905
+15,521
| +64% | +$701K |
|
2271
CALL
Jacobs Solutions
J
$17B
| $1.89M | ﹤0.01% |
+12,600
| New | +$1.81M |
|
2272
CALL
Domo
DOMO
$184M
| $1.89M | ﹤0.01% |
119,200
+65,600
| +122% | +$1.02M |
|
2273
CleanSpark
CLSK
$2.96B
| $1.89M | ﹤0.01% |
130,204
-121,129
| -48% | -$1.37M |
|
2274
Range Resources
RRC
$9.39B
| $1.88M | ﹤0.01% |
+49,924
| New | +$1.78M |
|
2275
PUT
Vanguard World Funds Extended Duration ETF
EDV
$3.49B
| $1.88M | ﹤0.01% |
27,400
+11,200
| +69% | +$739K |
|
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.