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 | |
|---|---|---|---|---|---|---|
1376
PUT
Uranium Energy
UEC
$5.54B
| $6.73M | ﹤0.01% |
504,800
-24,100
| -5% | -$241K |
|
1377
CALL
Root
ROOT
$748M
| $6.72M | ﹤0.01% |
75,100
-30,500
| -29% | -$3.2M |
|
1378
Halliburton
HAL
$27.4B
| $6.72M | ﹤0.01% |
273,149
+115,706
| +73% | +$2.56M |
|
1379
PUT
ResMed
RMD
$32.8B
| $6.71M | ﹤0.01% |
24,500
+700
| +3% | +$191K |
|
1380
CALL
Sprouts Farmers Market
SFM
$8.03B
| $6.7M | ﹤0.01% |
61,600
+2,500
| +4% | +$364K |
|
1381
Nice
NICE
$6.17B
| $6.7M | ﹤0.01% |
+46,291
| New | +$6.94M |
|
1382
PUT
Peabody Energy
BTU
$3.01B
| $6.7M | ﹤0.01% |
252,700
-190,000
| -43% | -$3.39M |
|
1383
CALL
Consolidated Edison
ED
$39.9B
| $6.69M | ﹤0.01% |
66,600
+8,700
| +15% | +$873K |
|
1384
PUT
Coeur Mining
CDE
$19B
| $6.68M | ﹤0.01% |
356,300
+35,600
| +11% | +$436K |
|
1385
Opendoor
OPEN
$3.54B
| $6.68M | ﹤0.01% |
+865,917
| New | +$3.51M |
|
1386
CALL
Jefferies Financial Group
JEF
$12.9B
| $6.66M | ﹤0.01% |
101,800
+35,300
| +53% | +$2.15M |
|
1387
CALL
Bank of Montreal
BMO
$129B
| $6.66M | ﹤0.01% |
51,100
+13,700
| +37% | +$1.62M |
|
1388
CALL
Copart
CPRT
$27.2B
| $6.66M | ﹤0.01% |
148,000
+57,500
| +64% | +$2.71M |
|
1389
Starbucks
SBUX
$124B
| $6.65M | ﹤0.01% |
+78,597
| New | +$7.04M |
|
|
1390
PUT
Root
ROOT
$748M
| $6.64M | ﹤0.01% |
74,200
+23,000
| +45% | +$2.41M |
|
|
VISN
1391
CALL
Vistance Networks Inc
VISN
$2.67B
| $6.63M | ﹤0.01% |
428,500
+237,500
| +124% | +$3.08M |
|
1392
PUT
Cenovus Energy
CVE
$56.4B
| $6.63M | ﹤0.01% |
390,400
+20,500
| +6% | +$320K |
|
1393
State Street Energy Select Sector SPDR ETF
XLE
$39.9B
| $6.62M | ﹤0.01% |
+148,290
| New | +$6.49M |
|
1394
CALL
PBF Energy
PBF
$8.81B
| $6.61M | ﹤0.01% |
219,100
-124,400
| -36% | -$3.25M |
|
1395
PUT
Illumina
ILMN
$29.1B
| $6.61M | ﹤0.01% |
69,600
-7,500
| -10% | -$744K |
|
1396
Elevance Health
ELV
$86.6B
| $6.61M | ﹤0.01% |
+20,451
| New | +$6.36M |
|
1397
PennyMac Financial
PFSI
$4B
| $6.6M | ﹤0.01% |
53,239
+42,155
| +380% | +$4.56M |
|
1398
Rocket Companies
RKT
$42.6B
| $6.55M | ﹤0.01% |
338,217
+188,067
| +125% | +$3.28M |
|
1399
CALL
Dycom Industries
DY
$12.3B
| $6.54M | ﹤0.01% |
22,400
-6,100
| -21% | -$1.6M |
|
1400
CALL
DTE Energy
DTE
$28.9B
| $6.52M | ﹤0.01% |
46,100
+34,300
| +291% | +$4.7M |
|
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.