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 | |
|---|---|---|---|---|---|---|
1001
CALL
Baker Hughes
BKR
$61.1B
| $14.3M | 0.01% |
313,700
+33,300
| +12% | +$1.58M |
|
1002
CALL
Dave Inc
DAVE
$4.06B
| $14.3M | 0.01% |
64,500
-13,100
| -17% | -$2.82M |
|
|
SNDK
1003
Sandisk
SNDK
$177B
| $14.3M | 0.01% |
+60,111
| New | +$12M |
|
1004
Procter & Gamble
PG
$339B
| $14.2M | 0.01% |
99,041
+74,037
| +296% | +$10.9M |
|
1005
PUT
Truist Financial
TFC
$64B
| $14.2M | 0.01% |
288,200
+65,100
| +29% | +$3M |
|
1006
CALL
QuantumScape Corp
QS
$3.74B
| $14.2M | 0.01% |
1,360,600
+27,800
| +2% | +$383K |
|
1007
Home Depot
HD
$355B
| $14.2M | 0.01% |
+41,184
| New | +$15.1M |
|
1008
PUT
Suncor Energy
SU
$70.3B
| $14.2M | 0.01% |
319,300
+109,100
| +52% | +$4.61M |
|
1009
CALL
Paycom
PAYC
$9.69B
| $14.2M | 0.01% |
88,800
+24,900
| +39% | +$4.41M |
|
1010
CALL
Illumina
ILMN
$28.4B
| $14.1M | 0.01% |
107,800
-59,700
| -36% | -$7.01M |
|
1011
PUT
ResMed
RMD
$30.7B
| $14.1M | 0.01% |
58,500
+34,000
| +139% | +$8.7M |
|
1012
CALL
abrdn Physical Palladium Shares ETF
PALL
$681M
| $14.1M | 0.01% |
+484,000
| New | +$13M |
|
1013
PUT
Applied Optoelectronics
AAOI
$11.5B
| $14.1M | 0.01% |
403,500
+91,100
| +29% | +$2.72M |
|
1014
PUT
LyondellBasell Industries
LYB
$19.2B
| $14.1M | 0.01% |
324,700
+45,000
| +16% | +$2.04M |
|
|
EA
1015
PUT
DELISTED
Electronic Arts
EA
| $14M | 0.01% |
68,700
-133,400
| -66% | -$26.9M |
|
1016
Dollar General
DG
$27.9B
| $14M | 0.01% |
+105,708
| New | +$11.8M |
|
1017
PUT
Allstate
ALL
$67.5B
| $14M | 0.01% |
67,300
+3,700
| +6% | +$757K |
|
1018
PUT
Molina Healthcare
MOH
$10.3B
| $14M | 0.01% |
80,600
+18,300
| +29% | +$3.01M |
|
1019
CALL
Proshares UltraShort Technology
REW
$3.77M
| $14M | 0.01% |
471,300
+387,350
| +461% | +$8.66M |
|
1020
CALL
Match Group
MTCH
$8.55B
| $14M | 0.01% |
432,500
-53,300
| -11% | -$1.75M |
|
1021
Walmart Inc
WMT
$890B
| $14M | 0.01% |
+125,323
| New | +$13.5M |
|
1022
Deckers Outdoor
DECK
$13.3B
| $14M | 0.01% |
+134,567
| New | +$12.6M |
|
1023
Pan American Silver
PAAS
$21.6B
| $13.9M | 0.01% |
269,223
+64,206
| +31% | +$2.69M |
|
1024
PUT
NuScale Power
SMR
$4.03B
| $13.9M | 0.01% |
983,900
+321,800
| +49% | +$9.2M |
|
1025
CALL
Pagaya Technologies
PGY
$1.78B
| $13.9M | 0.01% |
666,300
+467,900
| +236% | +$11.9M |
|
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.