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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1426
CALL
Zeta Global
ZETA
$6.91B
| $7.59M | ﹤0.01% |
373,100
+33,300
| +10% | +$622K |
|
1427
PUT
Hershey
HSY
$36.7B
| $7.59M | ﹤0.01% |
41,700
+7,000
| +20% | +$1.28M |
|
1428
Moderna
MRNA
$23.9B
| $7.58M | ﹤0.01% |
257,166
-167,521
| -39% | -$4.55M |
|
1429
CALL
Copart
CPRT
$27.4B
| $7.54M | ﹤0.01% |
192,700
+44,700
| +30% | +$1.85M |
|
|
ABVX
1430
CALL
Abivax
ABVX
$11.1B
| $7.54M | ﹤0.01% |
+55,900
| New | +$6.1M |
|
1431
CALL
Rockwell Automation
ROK
$48.3B
| $7.51M | ﹤0.01% |
19,300
+3,100
| +19% | +$1.17M |
|
1432
YieldMax COIN Option Income Strategy ETF
CONY
$328M
| $7.5M | ﹤0.01% |
190,552
+81,884
| +75% | +$4.51M |
|
1433
CALL
Uranium Energy
UEC
$5.63B
| $7.49M | ﹤0.01% |
640,900
-218,900
| -25% | -$2.87M |
|
1434
CALL
Quantum Computing Inc
QUBT
$2.01B
| $7.47M | ﹤0.01% |
728,100
-11,200
| -2% | -$159K |
|
1435
CALL
JFrog
FROG
$10.7B
| $7.46M | ﹤0.01% |
119,500
+51,700
| +76% | +$2.94M |
|
1436
CALL
Cracker Barrel
CBRL
$1.25B
| $7.44M | ﹤0.01% |
292,900
+222,900
| +318% | +$7.13M |
|
1437
MP Materials
MP
$9.73B
| $7.44M | ﹤0.01% |
147,202
-103,113
| -41% | -$6.54M |
|
1438
Centene
CNC
$32.9B
| $7.43M | ﹤0.01% |
180,556
-693,290
| -79% | -$26M |
|
1439
PUT
Iron Mountain
IRM
$36.2B
| $7.42M | ﹤0.01% |
89,500
+32,100
| +56% | +$3M |
|
1440
CALL
Fabrinet
FN
$18.9B
| $7.42M | ﹤0.01% |
16,300
+2,000
| +14% | +$870K |
|
1441
PUT
BigBear.ai
BBAI
$1.55B
| $7.41M | ﹤0.01% |
1,373,100
-35,800
| -3% | -$234K |
|
1442
PUT
American Eagle Outfitters
AEO
$3.07B
| $7.41M | ﹤0.01% |
281,100
-30,800
| -10% | -$609K |
|
1443
CALL
Globe Life
GL
$14.2B
| $7.41M | ﹤0.01% |
53,000
+19,700
| +59% | +$2.67M |
|
1444
Credo Technology Group
CRDO
$44.7B
| $7.41M | ﹤0.01% |
51,498
+10,923
| +27% | +$1.68M |
|
1445
PUT
Ondas Inc
ONDS
$5.31B
| $7.41M | ﹤0.01% |
758,800
+287,400
| +61% | +$2.31M |
|
1446
PUT
Texas Roadhouse
TXRH
$13.6B
| $7.4M | ﹤0.01% |
44,600
-749,500
| -94% | -$127M |
|
1447
CALL
Raymond James Financial
RJF
$34.5B
| $7.4M | ﹤0.01% |
46,100
-14,200
| -24% | -$2.29M |
|
1448
PUT
GSK
GSK
$104B
| $7.39M | ﹤0.01% |
150,700
-19,200
| -11% | -$895K |
|
1449
PUT
InterDigital
IDCC
$8.99B
| $7.35M | ﹤0.01% |
23,100
-11,200
| -33% | -$3.96M |
|
1450
CALL
Aehr Test Systems
AEHR
$3.46B
| $7.33M | ﹤0.01% |
363,200
+53,000
| +17% | +$1.28M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.