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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2051
Builders FirstSource
BLDR
$8.08B
| $3.26M | ﹤0.01% |
31,688
+3,648
| +13% | +$410K |
|
2052
CALL
Knight Transportation
KNX
$11.2B
| $3.25M | ﹤0.01% |
62,200
+9,400
| +18% | +$441K |
|
2053
PUT
Elastic
ESTC
$7.94B
| $3.24M | ﹤0.01% |
42,900
-6,000
| -12% | -$490K |
|
2054
PUT
Norfolk Southern
NSC
$75.2B
| $3.23M | ﹤0.01% |
11,200
-68,300
| -86% | -$19.8M |
|
2055
PUT
Hertz
HTZ
$873M
| $3.23M | ﹤0.01% |
628,400
-654,500
| -51% | -$3.57M |
|
2056
CALL
Sweetgreen
SG
$642M
| $3.23M | ﹤0.01% |
477,700
+68,800
| +17% | +$473K |
|
2057
PUT
IMAX
IMAX
$2.77B
| $3.22M | ﹤0.01% |
+87,100
| New | +$3.04M |
|
2058
CALL
Tidewater
TDW
$4.54B
| $3.21M | ﹤0.01% |
63,500
+33,300
| +110% | +$1.76M |
|
2059
CALL
Hawaiian Electric Industries
HE
$2.05B
| $3.2M | ﹤0.01% |
259,800
+13,600
| +6% | +$158K |
|
2060
PUT
International Flavors & Fragrances
IFF
$21.7B
| $3.19M | ﹤0.01% |
47,400
+16,200
| +52% | +$1.05M |
|
2061
CALL
Thor Industries
THO
$4.23B
| $3.19M | ﹤0.01% |
31,100
-14,700
| -32% | -$1.53M |
|
2062
PUT
KE Holdings
BEKE
$18.7B
| $3.19M | ﹤0.01% |
202,200
+23,800
| +13% | +$409K |
|
2063
PUT
Coca-Cola Europacific Partners
CCEP
$47.1B
| $3.18M | ﹤0.01% |
+35,100
| New | +$3.17M |
|
2064
PUT
Freshpet
FRPT
$3.45B
| $3.17M | ﹤0.01% |
52,100
-38,900
| -43% | -$2.21M |
|
|
TE
2065
PUT
T1 Energy
TE
$1.53B
| $3.17M | ﹤0.01% |
+474,000
| New | +$2.09M |
|
2066
CALL
Flex
FLEX
$45.2B
| $3.16M | ﹤0.01% |
52,300
-32,800
| -39% | -$2.03M |
|
2067
Colgate-Palmolive
CL
$73.6B
| $3.16M | ﹤0.01% |
39,978
+14,019
| +54% | +$1.1M |
|
2068
CALL
Scotiabank
BNS
$108B
| $3.15M | ﹤0.01% |
42,800
-14,800
| -26% | -$1.01M |
|
2069
PUT
Semtech
SMTC
$12.2B
| $3.15M | ﹤0.01% |
42,800
-6,300
| -13% | -$447K |
|
2070
PUT
Noble Corp
NE
$7.1B
| $3.15M | ﹤0.01% |
111,400
+8,400
| +8% | +$248K |
|
2071
Ambarella
AMBA
$3.64B
| $3.14M | ﹤0.01% |
44,357
+17,129
| +63% | +$1.38M |
|
2072
CALL
Hormel Foods
HRL
$13.4B
| $3.14M | ﹤0.01% |
132,300
-400
| -0.3% | -$9.34K |
|
2073
PUT
Groupon
GRPN
$889M
| $3.13M | ﹤0.01% |
177,900
-127,600
| -42% | -$2.4M |
|
2074
PUT
DigitalBridge
DBRG
$2.95B
| $3.13M | ﹤0.01% |
204,200
+138,900
| +213% | +$1.67M |
|
2075
PUT
VICI Properties
VICI
$28.6B
| $3.13M | ﹤0.01% |
111,300
+45,800
| +70% | +$1.36M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.