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 | |
|---|---|---|---|---|---|---|
|
PPL
2351
PPL Corp
PPL
$26.7B
| $1.69M | ﹤0.01% |
+45,534
| New | +$1.64M |
|
2352
Molson Coors Class B
TAP
$7.75B
| $1.69M | ﹤0.01% |
37,306
+25,260
| +210% | +$1.25M |
|
|
BBBY
2353
PUT
Bed Bath & Beyond
BBBY
$403M
| $1.68M | ﹤0.01% |
188,980
-13,530
| -7% | -$112K |
|
2354
PUT
InMode
INMD
$876M
| $1.67M | ﹤0.01% |
112,400
-12,300
| -10% | -$180K |
|
2355
Suncor Energy
SU
$76.5B
| $1.67M | ﹤0.01% |
+39,986
| New | +$1.6M |
|
2356
Trump Media & Technology Group
DJT
$2.31B
| $1.67M | ﹤0.01% |
+101,809
| New | +$1.81M |
|
2357
Vital Farms
VITL
$495M
| $1.67M | ﹤0.01% |
+40,613
| New | +$1.76M |
|
2358
AMC Entertainment Holdings
AMC
$2.35B
| $1.67M | ﹤0.01% |
576,185
+99,200
| +21% | +$295K |
|
2359
PUT
Hartford Financial Services
HIG
$37.7B
| $1.67M | ﹤0.01% |
+12,500
| New | +$1.6M |
|
2360
CALL
Commercial Metals
CMC
$7.98B
| $1.67M | ﹤0.01% |
29,100
+4,700
| +19% | +$260K |
|
2361
CALL
Millicom
TIGO
$16.2B
| $1.66M | ﹤0.01% |
+34,300
| New | +$1.51M |
|
2362
PUT
Portillo's
PTLO
$345M
| $1.66M | ﹤0.01% |
257,800
+114,900
| +80% | +$970K |
|
2363
Invesco Dorsey Wright Technology Momentum ETF
PTF
$659M
| $1.66M | ﹤0.01% |
+22,205
| New | +$1.55M |
|
2364
CALL
MSC Industrial Direct
MSM
$6.67B
| $1.66M | ﹤0.01% |
18,000
-2,700
| -13% | -$241K |
|
2365
CALL
Build-A-Bear
BBW
$474M
| $1.66M | ﹤0.01% |
+25,400
| New | +$1.5M |
|
2366
PUT
Weyerhaeuser
WY
$17.8B
| $1.66M | ﹤0.01% |
66,800
+16,600
| +33% | +$424K |
|
2367
Rivian
RIVN
$22.9B
| $1.66M | ﹤0.01% |
112,770
-102,148
| -48% | -$1.37M |
|
2368
Applied Optoelectronics
AAOI
$11B
| $1.66M | ﹤0.01% |
+63,840
| New | +$1.63M |
|
2369
CALL
Camping World
CWH
$659M
| $1.65M | ﹤0.01% |
104,700
-8,200
| -7% | -$140K |
|
2370
Bunge Global
BG
$21.5B
| $1.65M | ﹤0.01% |
+20,319
| New | +$1.63M |
|
2371
PUT
New Oriental
EDU
$8.49B
| $1.65M | ﹤0.01% |
31,100
+11,000
| +55% | +$543K |
|
2372
Northern Trust
NTRS
$35B
| $1.65M | ﹤0.01% |
+12,226
| New | +$1.57M |
|
|
SEE
2373
CALL
DELISTED
Sealed Air
SEE
| $1.64M | ﹤0.01% |
46,500
+14,800
| +47% | +$472K |
|
2374
CALL
Surgery Partners
SGRY
$2.01B
| $1.64M | ﹤0.01% |
+75,900
| New | +$1.69M |
|
2375
Mattel
MAT
$4.19B
| $1.64M | ﹤0.01% |
+97,572
| New | +$1.78M |
|
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.