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 | |
|---|---|---|---|---|---|---|
1501
CALL
FuboTV Inc
FUBO
$297M
| $5.5M | ﹤0.01% |
110,517
+15,559
| +16% | +$706K |
|
1502
PUT
J.M. Smucker
SJM
$12.9B
| $5.5M | ﹤0.01% |
50,600
-13,300
| -21% | -$1.44M |
|
1503
PUT
Mattel
MAT
$4.25B
| $5.49M | ﹤0.01% |
326,300
+255,300
| +360% | +$4.65M |
|
1504
PUT
Canadian National Railway
CNI
$77.3B
| $5.49M | ﹤0.01% |
+58,200
| New | +$5.62M |
|
1505
CALL
Molson Coors Class B
TAP
$7.85B
| $5.47M | ﹤0.01% |
120,900
+51,800
| +75% | +$2.56M |
|
1506
CALL
State Street SPDR Portfolio Europe ETF
SPEU
$743M
| $5.47M | ﹤0.01% |
88,000
+15,500
| +21% | +$758K |
|
1507
Cisco
CSCO
$444B
| $5.46M | ﹤0.01% |
+79,852
| New | +$5.44M |
|
1508
CALL
Proshares UltraShort Technology
REW
$3.69M
| $5.46M | ﹤0.01% |
83,950
-893,675
| -91% | -$24.2M |
|
1509
CALL
iQIYI
IQ
$1.29B
| $5.44M | ﹤0.01% |
2,125,300
+344,900
| +19% | +$764K |
|
1510
PUT
SharkNinja
SN
$26.7B
| $5.43M | ﹤0.01% |
52,600
-100,700
| -66% | -$11.5M |
|
1511
PUT
Capri Holdings
CPRI
$1.77B
| $5.42M | ﹤0.01% |
272,300
+4,500
| +2% | +$90.2K |
|
1512
CALL
Camtek
CAMT
$7.92B
| $5.41M | ﹤0.01% |
51,500
+22,200
| +76% | +$1.99M |
|
1513
EOG Resources
EOG
$74.6B
| $5.41M | ﹤0.01% |
+48,229
| New | +$5.75M |
|
1514
CALL
AMC Entertainment Holdings
AMC
$2.29B
| $5.4M | ﹤0.01% |
1,861,800
-309,700
| -14% | -$920K |
|
1515
PUT
Asana
ASAN
$2.21B
| $5.4M | ﹤0.01% |
404,000
+157,800
| +64% | +$2.23M |
|
1516
PUT
TotalEnergies
TTE
$194B
| $5.4M | ﹤0.01% |
90,400
+46,400
| +105% | +$2.86M |
|
1517
CALL
Equifax
EFX
$21.5B
| $5.39M | ﹤0.01% |
21,000
+2,100
| +11% | +$528K |
|
1518
Twilio
TWLO
$38B
| $5.36M | ﹤0.01% |
53,597
-23,761
| -31% | -$2.67M |
|
1519
CALL
Steel Dynamics
STLD
$37.6B
| $5.35M | ﹤0.01% |
38,400
-5,000
| -12% | -$656K |
|
1520
PUT
American Superconductor
AMSC
$1.57B
| $5.34M | ﹤0.01% |
89,900
+2,900
| +3% | +$145K |
|
1521
Wayfair
W
$14.2B
| $5.34M | ﹤0.01% |
59,751
+12,729
| +27% | +$932K |
|
1522
PUT
American Eagle Outfitters
AEO
$2.71B
| $5.34M | ﹤0.01% |
311,900
-74,700
| -19% | -$1.02M |
|
1523
CALL
Harrow
HROW
$1.49B
| $5.33M | ﹤0.01% |
110,700
+72,700
| +191% | +$2.74M |
|
|
1524
PUT
State Street SPDR Portfolio Europe ETF
SPEU
$743M
| $5.33M | ﹤0.01% |
85,800
-55,600
| -39% | -$2.72M |
|
1525
PUT
Bank of Montreal
BMO
$129B
| $5.33M | ﹤0.01% |
40,900
+19,800
| +94% | +$2.34M |
|
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.