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 | |
|---|---|---|---|---|---|---|
2276
PUT
Guardant Health
GH
$22.2B
| $1.87M | ﹤0.01% |
30,000
+14,300
| +91% | +$778K |
|
2277
CALL
Incyte
INCY
$24.5B
| $1.87M | ﹤0.01% |
22,100
-200
| -0.9% | -$15.8K |
|
2278
On Holding
ONON
$10.6B
| $1.87M | ﹤0.01% |
+44,254
| New | +$2.11M |
|
2279
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.89B
| $1.87M | ﹤0.01% |
+59,928
| New | +$1.68M |
|
2280
CALL
Alliance Resource Partners
ARLP
$3.23B
| $1.86M | ﹤0.01% |
73,700
+39,300
| +114% | +$983K |
|
2281
Oneok
OKE
$58.3B
| $1.86M | ﹤0.01% |
+25,477
| New | +$1.95M |
|
2282
CALL
Willdan Group
WLDN
$1.29B
| $1.86M | ﹤0.01% |
+19,200
| New | +$1.82M |
|
2283
PUT
Sibanye-Stillwater
SBSW
$7.42B
| $1.85M | ﹤0.01% |
165,000
-29,300
| -15% | -$256K |
|
2284
Lemonade
LMND
$4.1B
| $1.85M | ﹤0.01% |
34,573
+10,224
| +42% | +$499K |
|
2285
CALL
BellRing Brands
BRBR
$1.26B
| $1.85M | ﹤0.01% |
50,900
-37,900
| -43% | -$1.71M |
|
|
HOLX
2286
CALL
DELISTED
Hologic
HOLX
| $1.85M | ﹤0.01% |
+27,400
| New | +$1.82M |
|
2287
CALL
Bumble
BMBL
$344M
| $1.85M | ﹤0.01% |
303,100
+28,000
| +10% | +$191K |
|
2288
PUT
ScottsMiracle-Gro
SMG
$3.62B
| $1.85M | ﹤0.01% |
32,400
-1,900
| -6% | -$120K |
|
2289
PUT
Omega Healthcare
OHI
$13.9B
| $1.85M | ﹤0.01% |
43,700
-28,000
| -39% | -$1.13M |
|
|
PPLI
2290
CALL
People Inc
PPLI
$3.02B
| $1.84M | ﹤0.01% |
54,100
-5,400
| -9% | -$201K |
|
2291
Crown Castle
CCI
$31.5B
| $1.84M | ﹤0.01% |
+19,089
| New | +$1.93M |
|
2292
CALL
Fox Class A
FOXA
$27.5B
| $1.84M | ﹤0.01% |
29,200
-10,800
| -27% | -$625K |
|
2293
General Mills
GIS
$20.4B
| $1.84M | ﹤0.01% |
36,477
+192
| +0.5% | +$9.63K |
|
2294
PUT
Aurora
AUR
$13.4B
| $1.84M | ﹤0.01% |
340,600
+102,200
| +43% | +$600K |
|
2295
PUT
Sonoco
SON
$5.74B
| $1.84M | ﹤0.01% |
+42,600
| New | +$1.97M |
|
|
2296
PUT
Incyte
INCY
$24.5B
| $1.83M | ﹤0.01% |
21,600
+2,900
| +16% | +$229K |
|
2297
ATI
ATI
$31.4B
| $1.83M | ﹤0.01% |
+22,509
| New | +$1.82M |
|
2298
CALL
RingCentral
RNG
$5.25B
| $1.83M | ﹤0.01% |
64,500
-26,600
| -29% | -$775K |
|
2299
CALL
Wendy's
WEN
$1.65B
| $1.83M | ﹤0.01% |
199,500
+29,000
| +17% | +$298K |
|
2300
CALL
Bit Digital
BTBT
$520M
| $1.82M | ﹤0.01% |
608,200
+345,900
| +132% | +$1.05M |
|
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.