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 | |
|---|---|---|---|---|---|---|
1101
CALL
PACCAR
PCAR
$68.8B
| $11.1M | ﹤0.01% |
112,400
+59,800
| +114% | +$5.9M |
|
1102
CALL
AerCap
AER
$23.5B
| $11M | ﹤0.01% |
91,000
-52,100
| -36% | -$6.08M |
|
1103
PUT
American Electric Power
AEP
$68.3B
| $11M | ﹤0.01% |
97,600
+27,600
| +39% | +$3.02M |
|
1104
Moderna
MRNA
$25.4B
| $11M | ﹤0.01% |
424,687
-13,996
| -3% | -$390K |
|
1105
CALL
Monster Beverage
MNST
$91.4B
| $11M | ﹤0.01% |
325,600
+54,400
| +20% | +$1.7M |
|
1106
Dick's Sporting Goods
DKS
$18.1B
| $10.9M | ﹤0.01% |
+49,252
| New | +$10.7M |
|
1107
CALL
CSX Corp
CSX
$92.9B
| $10.9M | ﹤0.01% |
307,000
+41,500
| +16% | +$1.42M |
|
1108
CALL
Fidelity National Information Services
FIS
$22.8B
| $10.9M | ﹤0.01% |
165,000
-106,900
| -39% | -$7.8M |
|
|
ECHO
1109
EchoStar
ECHO
$26.6B
| $10.9M | ﹤0.01% |
142,370
+31,040
| +28% | +$1.41M |
|
1110
CALL
Stride
LRN
$3.48B
| $10.8M | ﹤0.01% |
72,700
+12,700
| +21% | +$1.86M |
|
1111
PUT
Crown Castle
CCI
$32.2B
| $10.8M | ﹤0.01% |
111,600
+43,200
| +63% | +$4.37M |
|
1112
CALL
InterDigital
IDCC
$8.88B
| $10.7M | ﹤0.01% |
31,000
+20,900
| +207% | +$5.68M |
|
|
FISV
1113
Fiserv Inc
FISV
$29.5B
| $10.6M | ﹤0.01% |
+82,495
| New | +$11.8M |
|
1114
CALL
Becton Dickinson
BDX
$49.6B
| $10.6M | ﹤0.01% |
56,700
+11,800
| +26% | +$2.19M |
|
1115
PUT
Peloton Interactive
PTON
$2.44B
| $10.6M | ﹤0.01% |
1,176,900
-112,100
| -9% | -$834K |
|
1116
CALL
Tower Semiconductor
TSEM
$28.6B
| $10.6M | ﹤0.01% |
146,500
+11,200
| +8% | +$612K |
|
1117
CALL
Cenovus Energy
CVE
$56.4B
| $10.6M | ﹤0.01% |
621,600
+396,500
| +176% | +$6.19M |
|
1118
PUT
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$98M
| $10.5M | ﹤0.01% |
427,500
-142,800
| -25% | -$13.6M |
|
1119
CALL
SentinelOne
S
$8.17B
| $10.5M | ﹤0.01% |
598,100
+277,300
| +86% | +$4.97M |
|
1120
CALL
Rio Tinto
RIO
$160B
| $10.5M | ﹤0.01% |
159,000
+70,000
| +79% | +$4.33M |
|
|
BNY
1121
CALL
Bank of New York Mellon
BNY
$110B
| $10.4M | ﹤0.01% |
95,900
-53,000
| -36% | -$5.41M |
|
1122
PUT
Paycom
PAYC
$10.1B
| $10.4M | ﹤0.01% |
50,200
-4,300
| -8% | -$969K |
|
1123
DraftKings
DKNG
$12.6B
| $10.4M | ﹤0.01% |
+278,867
| New | +$12.4M |
|
1124
PUT
Cleveland-Cliffs
CLF
$6.93B
| $10.4M | ﹤0.01% |
853,500
-155,700
| -15% | -$1.64M |
|
1125
CALL
Raymond James Financial
RJF
$34.8B
| $10.4M | ﹤0.01% |
60,300
+37,500
| +164% | +$6.21M |
|
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.