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 | |
|---|---|---|---|---|---|---|
1201
PUT
Rockwell Automation
ROK
$48.6B
| $10.3M | ﹤0.01% |
26,400
+16,200
| +159% | +$6.09M |
|
1202
PUT
Coeur Mining
CDE
$18.4B
| $10.2M | ﹤0.01% |
572,900
+216,600
| +61% | +$3.77M |
|
1203
CALL
Monster Beverage
MNST
$89.7B
| $10.2M | ﹤0.01% |
133,000
-29,800
| -18% | -$2.14M |
|
1204
PUT
Parker-Hannifin
PH
$134B
| $10.2M | ﹤0.01% |
11,600
-12,800
| -52% | -$10.5M |
|
1205
PUT
Whirlpool
WHR
$2.71B
| $10.2M | ﹤0.01% |
141,300
+31,200
| +28% | +$2.3M |
|
1206
CALL
Planet Labs
PL
$8.49B
| $10.2M | ﹤0.01% |
516,900
+276,800
| +115% | +$3.97M |
|
1207
Avis
CAR
$5.01B
| $10.2M | ﹤0.01% |
+79,357
| New | +$11.1M |
|
1208
PUT
argenx
ARGX
$55.2B
| $10.2M | ﹤0.01% |
12,100
-4,800
| -28% | -$4.11M |
|
1209
iShares Silver Trust
SLV
$31.7B
| $10.2M | ﹤0.01% |
157,926
-1,275,338
| -89% | -$63.8M |
|
1210
PUT
BioNTech
BNTX
$23.4B
| $10.2M | ﹤0.01% |
106,800
-30,500
| -22% | -$3.07M |
|
1211
CALL
BJs Wholesale Club
BJ
$12.3B
| $10.2M | ﹤0.01% |
112,900
+19,000
| +20% | +$1.74M |
|
1212
PUT
Cognizant
CTSH
$26B
| $10.2M | ﹤0.01% |
122,300
+28,300
| +30% | +$2.12M |
|
1213
CALL
Idexx Laboratories
IDXX
$47B
| $10.1M | ﹤0.01% |
15,000
-3,300
| -18% | -$2.25M |
|
1214
State Street
STT
$51B
| $10.1M | ﹤0.01% |
+78,640
| New | +$9.42M |
|
1215
Goldman Sachs
GS
$302B
| $10.1M | ﹤0.01% |
+11,523
| New | +$9.4M |
|
1216
CALL
ARK Genomic Revolution ETF
ARKG
$1.78B
| $10.1M | ﹤0.01% |
349,600
+142,800
| +69% | +$4.29M |
|
1217
CALL
The GEO Group
GEO
$4.1B
| $10.1M | ﹤0.01% |
627,000
+204,400
| +48% | +$3.41M |
|
1218
Avery Dennison
AVY
$13.4B
| $10.1M | ﹤0.01% |
+55,500
| New | +$9.6M |
|
1219
CALL
Invesco CurrencyShares Japanese Yen Trust
FXY
$427M
| $10.1M | ﹤0.01% |
171,800
+75,600
| +79% | +$4.51M |
|
1220
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$107M
| $10.1M | ﹤0.01% |
306,700
-320,600
| -51% | -$10.1M |
|
1221
PUT
AB InBev
BUD
$163B
| $10.1M | ﹤0.01% |
157,200
+4,900
| +3% | +$304K |
|
1222
CALL
Royal Bank of Canada
RY
$296B
| $10.1M | ﹤0.01% |
59,000
-10,300
| -15% | -$1.58M |
|
|
1223
PUT
Monster Beverage
MNST
$89.7B
| $10M | ﹤0.01% |
130,900
+41,000
| +46% | +$2.94M |
|
1224
CALL
SAP
SAP
$240B
| $10M | ﹤0.01% |
41,300
+2,600
| +7% | +$662K |
|
1225
Capital One
COF
$134B
| $10M | ﹤0.01% |
41,365
-22,431
| -35% | -$4.99M |
|
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.