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 | |
|---|---|---|---|---|---|---|
1601
Howmet Aerospace
HWM
$114B
| $4.75M | ﹤0.01% |
+24,182
| New | +$4.41M |
|
1602
PUT
Petrobras
PBR
$116B
| $4.74M | ﹤0.01% |
374,500
+292,200
| +355% | +$3.67M |
|
1603
CALL
Xcel Energy
XEL
$49.4B
| $4.73M | ﹤0.01% |
58,700
-1,300
| -2% | -$94K |
|
1604
Waste Management
WM
$90B
| $4.73M | ﹤0.01% |
21,431
+10,185
| +91% | +$2.29M |
|
1605
PUT
Valaris
VAL
$6.1B
| $4.73M | ﹤0.01% |
96,900
+6,100
| +7% | +$298K |
|
1606
PUT
Molson Coors Class B
TAP
$7.91B
| $4.72M | ﹤0.01% |
104,400
+54,300
| +108% | +$2.68M |
|
1607
CALL
Enbridge
ENB
$110B
| $4.72M | ﹤0.01% |
93,600
-6,500
| -6% | -$306K |
|
1608
HubSpot
HUBS
$11.4B
| $4.71M | ﹤0.01% |
+10,074
| New | +$5.07M |
|
1609
XPO
XPO
$24.9B
| $4.71M | ﹤0.01% |
+36,439
| New | +$4.73M |
|
1610
CALL
OneMain Financial
OMF
$7.56B
| $4.7M | ﹤0.01% |
83,300
-600
| -0.7% | -$35.4K |
|
1611
CALL
iShares MSCI USA Momentum Factor ETF
MTUM
$26.2B
| $4.69M | ﹤0.01% |
18,300
+8,000
| +78% | +$1.96M |
|
1612
SentinelOne
S
$7.96B
| $4.69M | ﹤0.01% |
266,084
+164,384
| +162% | +$2.95M |
|
1613
Teladoc Health
TDOC
$1.25B
| $4.68M | ﹤0.01% |
604,806
+6,958
| +1% | +$54.3K |
|
1614
PUT
Exelon
EXC
$47.1B
| $4.66M | ﹤0.01% |
103,500
+26,100
| +34% | +$1.15M |
|
1615
PUT
Republic Services
RSG
$66.2B
| $4.66M | ﹤0.01% |
20,300
-14,000
| -41% | -$3.28M |
|
|
QXO
1616
CALL
QXO Inc
QXO
$15.7B
| $4.65M | ﹤0.01% |
244,100
+98,700
| +68% | +$2.04M |
|
1617
PUT
Cracker Barrel
CBRL
$1.26B
| $4.65M | ﹤0.01% |
105,500
+39,500
| +60% | +$2.28M |
|
1618
PUT
Old Dominion Freight Line
ODFL
$44.2B
| $4.63M | ﹤0.01% |
32,900
-4,900
| -13% | -$750K |
|
1619
Amer Sports
AS
$19.2B
| $4.63M | ﹤0.01% |
+133,162
| New | +$5.02M |
|
1620
CALL
Plug Power
PLUG
$3.26B
| $4.63M | ﹤0.01% |
1,985,900
+670,800
| +51% | +$1.14M |
|
1621
CALL
Ferguson
FERG
$47.6B
| $4.63M | ﹤0.01% |
20,600
-19,400
| -49% | -$4.39M |
|
1622
PUT
Public Service Enterprise Group
PEG
$38B
| $4.62M | ﹤0.01% |
+55,400
| New | +$4.65M |
|
1623
CALL
Brookfield
BN
$107B
| $4.62M | ﹤0.01% |
101,100
+52,500
| +108% | +$2.33M |
|
1624
VanEck Junior Gold Miners ETF
GDXJ
$8.52B
| $4.62M | ﹤0.01% |
+46,611
| New | +$3.58M |
|
1625
CALL
Box
BOX
$4.54B
| $4.61M | ﹤0.01% |
142,900
+1,600
| +1% | +$51.8K |
|
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.