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 | |
|---|---|---|---|---|---|---|
1126
PUT
Cintas
CTAS
$80.3B
| $10.4M | ﹤0.01% |
50,500
+19,500
| +63% | +$4.16M |
|
1127
Texas Roadhouse
TXRH
$13.6B
| $10.3M | ﹤0.01% |
+62,264
| New | +$11M |
|
1128
CALL
SAP
SAP
$242B
| $10.3M | ﹤0.01% |
38,700
+1,200
| +3% | +$337K |
|
1129
CALL
GeneDx Holdings
WGS
$2.36B
| $10.3M | ﹤0.01% |
95,900
-51,800
| -35% | -$5.64M |
|
1130
PUT
Eos Energy Enterprises
EOSE
$1.51B
| $10.3M | ﹤0.01% |
906,500
+101,900
| +13% | +$697K |
|
1131
CALL
Powell Industries
POWL
$7.43B
| $10.3M | ﹤0.01% |
101,400
+30,900
| +44% | +$2.62M |
|
1132
CALL
StoneCo
STNE
$2.49B
| $10.3M | ﹤0.01% |
544,800
+68,800
| +14% | +$1.09M |
|
1133
CALL
Rambus
RMBS
$10.8B
| $10.3M | ﹤0.01% |
98,500
+61,200
| +164% | +$4.72M |
|
1134
CALL
Bilibili
BILI
$7.14B
| $10.3M | ﹤0.01% |
365,100
-85,200
| -19% | -$2.04M |
|
|
CYBR
1135
PUT
DELISTED
CyberArk
CYBR
| $10.2M | ﹤0.01% |
21,200
-7,100
| -25% | -$3.05M |
|
1136
PUT
Teva Pharmaceuticals
TEVA
$42.6B
| $10.2M | ﹤0.01% |
505,600
-41,600
| -8% | -$731K |
|
1137
CALL
Royal Bank of Canada
RY
$299B
| $10.2M | ﹤0.01% |
69,300
+22,200
| +47% | +$3.06M |
|
1138
CALL
Kimberly-Clark
KMB
$36.8B
| $10.2M | ﹤0.01% |
82,100
+24,200
| +42% | +$3.13M |
|
|
IPFF
1139
PUT
DELISTED
iShares International Preferred Stock ETF
IPFF
| $10.2M | ﹤0.01% |
161,500
+13,100
| +9% | +$828K |
|
1140
DoorDash
DASH
$93.7B
| $10.2M | ﹤0.01% |
37,509
-48,454
| -56% | -$12.2M |
|
1141
PUT
Truist Financial
TFC
$64.7B
| $10.2M | ﹤0.01% |
223,100
-38,500
| -15% | -$1.74M |
|
1142
CALL
PENN Entertainment
PENN
$2.53B
| $10.2M | ﹤0.01% |
527,900
-255,100
| -33% | -$4.78M |
|
1143
CALL
Crane Co
CR
$12.7B
| $10.1M | ﹤0.01% |
+55,000
| New | +$10.4M |
|
1144
PUT
Joby Aviation
JOBY
$8.17B
| $10.1M | ﹤0.01% |
627,300
+283,400
| +82% | +$4.3M |
|
1145
PUT
Innodata
INOD
$2.03B
| $10.1M | ﹤0.01% |
130,900
+63,400
| +94% | +$3.2M |
|
1146
Roku
ROKU
$22.9B
| $10.1M | ﹤0.01% |
+100,719
| New | +$9.29M |
|
1147
CALL
PureCycle Technologies
PCT
$1.41B
| $10M | ﹤0.01% |
761,600
-430,200
| -36% | -$5.98M |
|
1148
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.16B
| $10M | ﹤0.01% |
+64,832
| New | +$6.43M |
|
1149
PUT
Franco-Nevada
FNV
$44.7B
| $10M | ﹤0.01% |
44,900
+12,200
| +37% | +$2.2M |
|
1150
CALL
PPG Industries
PPG
$25.5B
| $10M | ﹤0.01% |
95,200
+20,300
| +27% | +$2.26M |
|
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.