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 | |
|---|---|---|---|---|---|---|
3101
Steven Madden
SHOO
$3.5B
| $558K | ﹤0.01% |
16,678
-6,383
| -28% | -$179K |
|
3102
Vipshop
VIPS
$6.92B
| $558K | ﹤0.01% |
+28,398
| New | +$471K |
|
|
WBTN
3103
PUT
WEBTOON Entertainment Inc
WBTN
$1.17B
| $557K | ﹤0.01% |
+28,700
| New | +$383K |
|
3104
CALL
nCino
NCNO
$2.06B
| $553K | ﹤0.01% |
+20,400
| New | +$596K |
|
3105
Blackstone Secured Lending
BXSL
$5.68B
| $552K | ﹤0.01% |
+21,186
| New | +$636K |
|
3106
CALL
AllianceBernstein
AB
$3.39B
| $550K | ﹤0.01% |
+14,400
| New | +$576K |
|
3107
PUT
Innoviz Technologies
INVZ
$114M
| $550K | ﹤0.01% |
269,500
+32,300
| +14% | +$55K |
|
3108
PUT
Telephone and Data Systems
TDS
$3.83B
| $545K | ﹤0.01% |
13,900
-77,500
| -85% | -$2.98M |
|
3109
PUT
Biohaven
BHVN
$2.18B
| $545K | ﹤0.01% |
+36,300
| New | +$528K |
|
3110
FMC
FMC
$1.27B
| $544K | ﹤0.01% |
+16,185
| New | +$632K |
|
3111
Braze
BRZE
$3.11B
| $543K | ﹤0.01% |
+19,077
| New | +$541K |
|
3112
Rithm Capital
RITM
$5.71B
| $542K | ﹤0.01% |
47,566
+22,928
| +93% | +$278K |
|
3113
CALL
Rayonier Advanced Materials
RYAM
$580M
| $542K | ﹤0.01% |
+75,000
| New | +$386K |
|
3114
PUT
Kodak
KODK
$974M
| $540K | ﹤0.01% |
84,300
-7,400
| -8% | -$46.6K |
|
|
HSAI
3115
Hesai Group
HSAI
$2.98B
| $539K | ﹤0.01% |
19,179
-25,467
| -57% | -$623K |
|
3116
Vista Energy
VIST
$7.34B
| $538K | ﹤0.01% |
+15,642
| New | +$647K |
|
3117
PUT
Freshworks
FRSH
$3.21B
| $538K | ﹤0.01% |
+45,700
| New | +$616K |
|
3118
CALL
iShares Convertible Bond ETF
ICVT
$7.61B
| $537K | ﹤0.01% |
+12,800
| New | +$1.2M |
|
|
HAPN
3119
PUT
Happen Inc
HAPN
$2.24B
| $536K | ﹤0.01% |
35,300
-6,500
| -16% | -$98.6K |
|
3120
PUT
Brighthouse Financial
BHF
$3.41B
| $536K | ﹤0.01% |
+10,100
| New | +$493K |
|
3121
PUT
3D Systems Corp
DDD
$606M
| $535K | ﹤0.01% |
+184,400
| New | +$380K |
|
3122
PUT
Liberty Energy
LBRT
$3.51B
| $534K | ﹤0.01% |
+43,300
| New | +$501K |
|
|
SVM
3123
CALL
Silvercorp Metals
SVM
$2.66B
| $534K | ﹤0.01% |
+84,500
| New | +$414K |
|
3124
PUT
Pilgrim's Pride
PPC
$6.34B
| $533K | ﹤0.01% |
+13,100
| New | +$594K |
|
3125
PUT
Methanex
MEOH
$4.17B
| $533K | ﹤0.01% |
+13,400
| New | +$476K |
|
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.