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 | |
|---|---|---|---|---|---|---|
2501
PUT
Digital Turbine
APPS
$1.53B
| $1.37M | ﹤0.01% |
213,900
-44,700
| -17% | -$222K |
|
2502
Full Truck Alliance
YMM
$9.2B
| $1.37M | ﹤0.01% |
105,508
+73,530
| +230% | +$911K |
|
2503
Amplify Junior Silver Miners ETF
SILJ
$3.89B
| $1.37M | ﹤0.01% |
59,247
-12,523
| -17% | -$219K |
|
2504
CALL
Medifast
MED
$128M
| $1.37M | ﹤0.01% |
100,000
+31,700
| +46% | +$443K |
|
2505
CALL
Gen Digital
GEN
$17.7B
| $1.36M | ﹤0.01% |
48,000
+3,500
| +8% | +$105K |
|
2506
PUT
WillScot Mobile Mini Holdings
WSC
$4.17B
| $1.36M | ﹤0.01% |
64,400
+20,000
| +45% | +$515K |
|
2507
Kimberly-Clark
KMB
$36.8B
| $1.36M | ﹤0.01% |
10,917
+238
| +2% | +$30.8K |
|
|
ETHD
2508
ProShares UltraShort Ether ETF
ETHD
$63.2M
| $1.35M | ﹤0.01% |
+36,727
| New | +$2.05M |
|
2509
PUT
Global X MSCI Norway ETF
NORW
$88.1M
| $1.35M | ﹤0.01% |
+19,300
| New | +$567K |
|
|
SEI
2510
PUT
Solaris Energy Infrastructure
SEI
$3.94B
| $1.34M | ﹤0.01% |
33,600
+18,300
| +120% | +$572K |
|
2511
CALL
Toro Company
TTC
$9.21B
| $1.34M | ﹤0.01% |
+17,600
| New | +$1.35M |
|
2512
PUT
McEwen Inc
MUX
$1.14B
| $1.34M | ﹤0.01% |
78,300
+9,000
| +13% | +$108K |
|
2513
KE Holdings
BEKE
$18.7B
| $1.33M | ﹤0.01% |
70,240
-53,412
| -43% | -$1M |
|
2514
Direxion Daily Small Cap Bear 3x ETF
TZA
$199M
| $1.33M | ﹤0.01% |
16,246
+5,521
| +51% | +$545K |
|
2515
CALL
Church & Dwight Co
CHD
$24B
| $1.33M | ﹤0.01% |
15,200
-1,500
| -9% | -$141K |
|
2516
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$226M
| $1.33M | ﹤0.01% |
+23,101
| New | +$1.08M |
|
2517
NextDecade
NEXT
$1.8B
| $1.33M | ﹤0.01% |
195,597
+120,368
| +160% | +$1.16M |
|
|
LNW
2518
CALL
DELISTED
Light & Wonder
LNW
| $1.33M | ﹤0.01% |
15,800
+2,800
| +22% | +$257K |
|
2519
PUT
Redwire
RDW
$3.3B
| $1.32M | ﹤0.01% |
146,400
+105,600
| +259% | +$1.23M |
|
|
CIVI
2520
DELISTED
Civitas Resources
CIVI
| $1.31M | ﹤0.01% |
40,411
-26,065
| -39% | -$834K |
|
2521
Richtech Robotics
RR
$385M
| $1.31M | ﹤0.01% |
+305,703
| New | +$804K |
|
2522
CALL
Concentrix
CNXC
$1.52B
| $1.31M | ﹤0.01% |
28,300
+10,300
| +57% | +$549K |
|
2523
CALL
United States Antimony
UAMY
$799M
| $1.3M | ﹤0.01% |
+210,400
| New | +$879K |
|
2524
CALL
Pitney Bowes
PBI
$2.28B
| $1.3M | ﹤0.01% |
114,300
+26,200
| +30% | +$305K |
|
2525
PUT
Natural Resource Partners
NRP
$1.36B
| $1.3M | ﹤0.01% |
+12,400
| New | +$1.26M |
|
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.