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 | |
|---|---|---|---|---|---|---|
2051
CALL
Parsons
PSN
$5.06B
| $2.58M | ﹤0.01% |
31,100
+3,600
| +13% | +$278K |
|
2052
MPLX
MPLX
$60B
| $2.58M | ﹤0.01% |
+51,611
| New | +$2.62M |
|
2053
PUT
Weatherford International
WFRD
$6.77B
| $2.57M | ﹤0.01% |
37,600
+24,600
| +189% | +$1.46M |
|
|
BRSL
2054
PUT
Brightstar Lottery PLC
BRSL
$2.16B
| $2.57M | ﹤0.01% |
148,900
-50,400
| -25% | -$807K |
|
|
PPLT
2055
abrdn Physical Platinum Shares ETF
PPLT
$2.03B
| $2.57M | ﹤0.01% |
179,740
-259,610
| -59% | -$3.28M |
|
2056
WIX.com
WIX
$3.07B
| $2.56M | ﹤0.01% |
14,387
-4,456
| -24% | -$671K |
|
|
2057
CALL
MPLX
MPLX
$60B
| $2.55M | ﹤0.01% |
51,100
-33,100
| -39% | -$1.68M |
|
2058
Wendy's
WEN
$1.65B
| $2.55M | ﹤0.01% |
278,606
+104,221
| +60% | +$1.07M |
|
2059
CALL
LendingTree
TREE
$457M
| $2.54M | ﹤0.01% |
39,300
+27,700
| +239% | +$1.6M |
|
2060
PUT
Shift4
FOUR
$3.63B
| $2.54M | ﹤0.01% |
32,800
+10,000
| +44% | +$930K |
|
2061
CALL
Bentley Systems
BSY
$10.9B
| $2.54M | ﹤0.01% |
49,300
+34,000
| +222% | +$1.86M |
|
2062
PUT
AutoNation
AN
$6.91B
| $2.54M | ﹤0.01% |
+11,600
| New | +$2.45M |
|
2063
CALL
Mid-America Apartment Communities
MAA
$15.5B
| $2.53M | ﹤0.01% |
+18,100
| New | +$2.62M |
|
2064
PUT
Axcelis
ACLS
$4.34B
| $2.53M | ﹤0.01% |
25,900
+5,100
| +25% | +$411K |
|
|
GRRR
2065
CALL
Gorilla Technology Group
GRRR
$426M
| $2.53M | ﹤0.01% |
136,900
-4,600
| -3% | -$84.5K |
|
2066
CALL
AGNC Investment
AGNC
$13.1B
| $2.52M | ﹤0.01% |
257,900
+122,800
| +91% | +$1.19M |
|
2067
PUT
Century Aluminum
CENX
$4.68B
| $2.52M | ﹤0.01% |
85,900
+48,200
| +128% | +$1.09M |
|
2068
CALL
Global E Online
GLBE
$7.04B
| $2.52M | ﹤0.01% |
70,500
+10,100
| +17% | +$345K |
|
2069
CALL
CBRE Group
CBRE
$43.8B
| $2.52M | ﹤0.01% |
16,000
+2,300
| +17% | +$356K |
|
2070
CALL
TC Energy
TRP
$65.8B
| $2.51M | ﹤0.01% |
46,200
-400
| -0.9% | -$20.1K |
|
2071
PUT
Cal-Maine
CALM
$3.85B
| $2.51M | ﹤0.01% |
26,700
+7,200
| +37% | +$769K |
|
|
2072
CALL
AutoNation
AN
$6.91B
| $2.49M | ﹤0.01% |
+11,400
| New | +$2.4M |
|
2073
CALL
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$236M
| $2.48M | ﹤0.01% |
56,000
+13,900
| +33% | +$419K |
|
2074
CALL
McCormick & Company Non-Voting
MKC
$14.6B
| $2.48M | ﹤0.01% |
37,000
-1,700
| -4% | -$119K |
|
2075
PUT
Western Midstream Partners
WES
$20.1B
| $2.48M | ﹤0.01% |
63,000
+25,200
| +67% | +$984K |
|
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.