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 | |
|---|---|---|---|---|---|---|
1051
PUT
Kroger
KR
$34.8B
| $13.3M | ﹤0.01% |
212,300
-17,000
| -7% | -$1.11M |
|
1052
PUT
Kraft Heinz
KHC
$30B
| $13.3M | ﹤0.01% |
546,500
+67,300
| +14% | +$1.67M |
|
1053
PUT
Lamb Weston
LW
$7.19B
| $13.2M | ﹤0.01% |
316,000
-580,600
| -65% | -$34.2M |
|
1054
CALL
Molina Healthcare
MOH
$10.3B
| $13.2M | ﹤0.01% |
75,900
-1,900
| -2% | -$312K |
|
1055
Walt Disney
DIS
$181B
| $13.1M | ﹤0.01% |
+115,322
| New | +$12.7M |
|
1056
CALL
Canadian Solar
CSIQ
$1.08B
| $13.1M | ﹤0.01% |
551,500
+283,600
| +106% | +$6.18M |
|
1057
CALL
Coeur Mining
CDE
$17.9B
| $13.1M | ﹤0.01% |
734,700
+92,100
| +14% | +$1.6M |
|
1058
CALL
Alnylam Pharmaceuticals
ALNY
$29.3B
| $13.1M | ﹤0.01% |
32,900
+8,100
| +33% | +$3.58M |
|
1059
CALL
Synchrony
SYF
$25.6B
| $13.1M | ﹤0.01% |
156,800
+79,200
| +102% | +$6.05M |
|
1060
CALL
TotalEnergies
TTE
$190B
| $13.1M | ﹤0.01% |
199,900
+49,400
| +33% | +$3.12M |
|
1061
CALL
Alpha Metallurgical Resources
AMR
$1.93B
| $13M | ﹤0.01% |
65,100
+18,600
| +40% | +$3.21M |
|
1062
PUT
Flutter Entertainment
FLUT
$16.4B
| $13M | ﹤0.01% |
60,400
+33,600
| +125% | +$7.56M |
|
1063
PUT
Digital Realty Trust
DLR
$71.7B
| $13M | ﹤0.01% |
83,800
-500
| -0.6% | -$82.1K |
|
1064
PUT
Macy's
M
$6.68B
| $12.9M | ﹤0.01% |
585,800
+124,600
| +27% | +$2.55M |
|
1065
CALL
Maplebear
CART
$11.8B
| $12.9M | ﹤0.01% |
286,200
+191,000
| +201% | +$7.82M |
|
1066
CALL
Toyota
TM
$225B
| $12.9M | ﹤0.01% |
60,100
-7,500
| -11% | -$1.52M |
|
1067
CALL
PG&E
PCG
$38.5B
| $12.9M | ﹤0.01% |
800,300
-919,700
| -53% | -$14.7M |
|
1068
PUT
Ares Management
ARES
$30.9B
| $12.8M | ﹤0.01% |
79,400
+29,200
| +58% | +$4.55M |
|
1069
PepsiCo
PEP
$190B
| $12.8M | ﹤0.01% |
+89,418
| New | +$13.1M |
|
1070
CALL
VF Corp
VFC
$5.89B
| $12.8M | ﹤0.01% |
709,200
+21,600
| +3% | +$350K |
|
1071
PUT
Microchip Technology
MCHP
$46B
| $12.8M | ﹤0.01% |
201,000
-68,400
| -25% | -$4.22M |
|
1072
CALL
-1x Short VIX Futures ETF
SVIX
$165M
| $12.8M | ﹤0.01% |
528,500
-400
| -0.1% | -$8.21K |
|
1073
CALL
Skyworks Solutions
SWKS
$10.6B
| $12.8M | ﹤0.01% |
201,500
+22,800
| +13% | +$1.59M |
|
1074
PUT
Rocket Companies
RKT
$38.9B
| $12.7M | ﹤0.01% |
657,700
-505,500
| -43% | -$9.04M |
|
1075
ServiceNow
NOW
$129B
| $12.7M | ﹤0.01% |
83,000
-223,920
| -73% | -$38.4M |
|
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.