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 | |
|---|---|---|---|---|---|---|
1276
PUT
Casey's General Stores
CASY
$31B
| $7.97M | ﹤0.01% |
14,100
-6,100
| -30% | -$3.19M |
|
1277
PUT
Transmedics
TMDX
$3.02B
| $7.95M | ﹤0.01% |
70,900
-8,800
| -11% | -$1.03M |
|
1278
PUT
DuPont de Nemours
DD
$19.5B
| $7.95M | ﹤0.01% |
81,260
+19,279
| +31% | +$1.82M |
|
1279
Grab
GRAB
$15.1B
| $7.94M | ﹤0.01% |
1,319,239
+138,935
| +12% | +$737K |
|
1280
Pan American Silver
PAAS
$19.9B
| $7.94M | ﹤0.01% |
205,017
+26,326
| +15% | +$846K |
|
1281
PUT
BJs Wholesale Club
BJ
$11.8B
| $7.94M | ﹤0.01% |
85,100
-11,700
| -12% | -$1.2M |
|
1282
PUT
Sprouts Farmers Market
SFM
$8.03B
| $7.93M | ﹤0.01% |
72,900
+27,000
| +59% | +$3.93M |
|
1283
CALL
Bunge Global
BG
$21.5B
| $7.91M | ﹤0.01% |
97,300
+4,800
| +5% | +$385K |
|
1284
CALL
GSK
GSK
$101B
| $7.9M | ﹤0.01% |
183,000
-20,300
| -10% | -$793K |
|
1285
PUT
Tractor Supply
TSCO
$18.8B
| $7.87M | ﹤0.01% |
138,300
-83,100
| -38% | -$4.89M |
|
1286
PUT
Dutch Bros
BROS
$8.93B
| $7.81M | ﹤0.01% |
149,300
+20,400
| +16% | +$1.29M |
|
1287
First Majestic Silver
AG
$9.26B
| $7.8M | ﹤0.01% |
+634,431
| New | +$5.88M |
|
1288
CALL
dLocal
DLO
$4.34B
| $7.79M | ﹤0.01% |
545,500
+231,600
| +74% | +$2.94M |
|
1289
CALL
Old Dominion Freight Line
ODFL
$44.1B
| $7.79M | ﹤0.01% |
55,300
+18,700
| +51% | +$2.86M |
|
1290
Ollie's Bargain Outlet
OLLI
$4.73B
| $7.78M | ﹤0.01% |
+60,564
| New | +$8.04M |
|
1291
PUT
Archer Aviation
ACHR
$5.37B
| $7.77M | ﹤0.01% |
811,100
+105,900
| +15% | +$1.05M |
|
1292
CALL
MasTec
MTZ
$22.6B
| $7.75M | ﹤0.01% |
36,400
+6,300
| +21% | +$1.15M |
|
1293
Align Technology
ALGN
$12.4B
| $7.75M | ﹤0.01% |
+61,861
| New | +$9.69M |
|
1294
CALL
ProShares Ether Strategy ETF
EETH
$54.3M
| $7.73M | ﹤0.01% |
503,400
-46,500
| -8% | -$3.14M |
|
1295
CALL
Alaska Air
ALK
$5.3B
| $7.72M | ﹤0.01% |
155,100
+23,800
| +18% | +$1.32M |
|
1296
CALL
Tencent Music
TME
$14.2B
| $7.7M | ﹤0.01% |
330,000
+23,400
| +8% | +$542K |
|
1297
CALL
Otis Worldwide
OTIS
$28.2B
| $7.68M | ﹤0.01% |
84,000
+66,200
| +372% | +$6.01M |
|
1298
CALL
Alpha Metallurgical Resources
AMR
$2.02B
| $7.63M | ﹤0.01% |
46,500
+15,100
| +48% | +$2.09M |
|
1299
PUT
Enterprise Products Partners
EPD
$81.9B
| $7.63M | ﹤0.01% |
243,900
-74,500
| -23% | -$2.35M |
|
|
1300
CALL
Dutch Bros
BROS
$8.93B
| $7.62M | ﹤0.01% |
145,600
+30,600
| +27% | +$1.93M |
|
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.