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 | |
|---|---|---|---|---|---|---|
3326
PUT
Corebridge Financial
CRBG
$14.9B
| $375K | ﹤0.01% |
11,700
-7,500
| -39% | -$256K |
|
3327
CALL
Steven Madden
SHOO
$3.53B
| $375K | ﹤0.01% |
+11,200
| New | +$314K |
|
3328
CALL
Cognyte Software
CGNT
$692M
| $375K | ﹤0.01% |
+44,600
| New | +$395K |
|
3329
PUT
Bausch Health
BHC
$2.33B
| $374K | ﹤0.01% |
58,000
-5,700
| -9% | -$39K |
|
3330
PUT
Honda
HMC
$41.1B
| $373K | ﹤0.01% |
12,100
-128,300
| -91% | -$4.19M |
|
|
ACB
3331
PUT
Aurora Cannabis
ACB
$216M
| $373K | ﹤0.01% |
+62,500
| New | +$305K |
|
|
CNH
3332
PUT
CNH Industrial
CNH
$17.1B
| $372K | ﹤0.01% |
34,300
-4,700
| -12% | -$57.4K |
|
3333
Genmab
GMAB
$19.2B
| $372K | ﹤0.01% |
+12,115
| New | +$295K |
|
3334
Extreme Networks
EXTR
$3.14B
| $371K | ﹤0.01% |
17,966
+4,254
| +31% | +$84.5K |
|
|
NB
3335
PUT
NioCorp Developments
NB
$780M
| $370K | ﹤0.01% |
+55,400
| New | +$234K |
|
3336
PUT
Malibu Boats
MBUU
$583M
| $370K | ﹤0.01% |
+11,400
| New | +$390K |
|
3337
CALL
Frontier Group Holdings
ULCC
$1.59B
| $369K | ﹤0.01% |
83,500
+800
| +1% | +$3.63K |
|
3338
loanDepot
LDI
$462M
| $368K | ﹤0.01% |
+119,974
| New | +$277K |
|
3339
PUT
NovoCure
NVCR
$2.06B
| $368K | ﹤0.01% |
28,500
+17,100
| +150% | +$228K |
|
|
MOMO
3340
PUT
Hello Group
MOMO
$861M
| $368K | ﹤0.01% |
49,600
-11,300
| -19% | -$92.4K |
|
3341
PUT
Grocery Outlet
GO
$972M
| $368K | ﹤0.01% |
+22,900
| New | +$366K |
|
3342
CALL
ZTO Express
ZTO
$17.6B
| $365K | ﹤0.01% |
19,000
-2,400
| -11% | -$45.9K |
|
3343
PUT
Amcor
AMCR
$21.9B
| $364K | ﹤0.01% |
+8,900
| New | +$399K |
|
3344
PUT
Ericsson
ERIC
$33B
| $362K | ﹤0.01% |
43,800
-3,900
| -8% | -$30.5K |
|
3345
B&G Foods
BGS
$277M
| $362K | ﹤0.01% |
81,608
-9,363
| -10% | -$40.9K |
|
|
DX
3346
PUT
Dynex Capital
DX
$3.21B
| $361K | ﹤0.01% |
+29,400
| New | +$368K |
|
3347
DXC Technology
DXC
$1.73B
| $358K | ﹤0.01% |
+26,276
| New | +$373K |
|
3348
FT Vest US Equity Enhance & Moderate Buffer ETF February
XFEB
$31.3M
| $358K | ﹤0.01% |
+10,240
| New | +$353K |
|
3349
CALL
Lightwave Logic
LWLG
$1.16B
| $357K | ﹤0.01% |
+96,300
| New | +$248K |
|
3350
CALL
Kosmos Energy
KOS
$1.52B
| $356K | ﹤0.01% |
214,200
+12,300
| +6% | +$23K |
|
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.