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 | |
|---|---|---|---|---|---|---|
1276
CALL
Conagra Brands
CAG
$7.1B
| $9.3M | ﹤0.01% |
537,100
+133,200
| +33% | +$2.37M |
|
1277
CALL
Range Resources
RRC
$9.41B
| $9.28M | ﹤0.01% |
263,300
+92,800
| +54% | +$3.46M |
|
1278
CALL
Nutrien
NTR
$31.4B
| $9.28M | ﹤0.01% |
150,300
-94,800
| -39% | -$5.58M |
|
1279
T-Mobile US
TMUS
$189B
| $9.27M | ﹤0.01% |
+45,634
| New | +$9.67M |
|
1280
PUT
Teck Resources
TECK
$33B
| $9.25M | ﹤0.01% |
193,100
-110,200
| -36% | -$4.77M |
|
1281
CALL
Li Auto
LI
$12.6B
| $9.24M | ﹤0.01% |
546,000
-33,500
| -6% | -$664K |
|
|
GLXY
1282
PUT
Galaxy Digital Inc
GLXY
$3.86B
| $9.24M | ﹤0.01% |
+413,100
| New | +$12.8M |
|
1283
PUT
Mondelez International
MDLZ
$78.4B
| $9.21M | ﹤0.01% |
171,100
+61,200
| +56% | +$3.52M |
|
1284
PUT
Sharplink Inc
SBET
$1.28B
| $9.19M | ﹤0.01% |
+1,027,500
| New | +$12.5M |
|
1285
PUT
Vanguard Morningstar Growth ETF
VUG
$230B
| $9.17M | ﹤0.01% |
112,800
+34,200
| +44% | +$2.78M |
|
1286
CALL
Suncor Energy
SU
$73.8B
| $9.16M | ﹤0.01% |
206,600
-29,700
| -13% | -$1.26M |
|
1287
PUT
American International
AIG
$40.7B
| $9.15M | ﹤0.01% |
107,000
-15,000
| -12% | -$1.2M |
|
1288
PUT
Globalstar
GSAT
$10.9B
| $9.15M | ﹤0.01% |
+149,900
| New | +$8.28M |
|
1289
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.23B
| $9.14M | ﹤0.01% |
138,600
+107,800
| +350% | +$7.12M |
|
1290
CALL
Tractor Supply
TSCO
$18B
| $9.14M | ﹤0.01% |
182,800
-43,900
| -19% | -$2.36M |
|
1291
PUT
CarMax
KMX
$8.4B
| $9.13M | ﹤0.01% |
236,300
-115,700
| -33% | -$4.63M |
|
1292
CALL
Canadian Natural Resources
CNQ
$97.7B
| $9.12M | ﹤0.01% |
269,400
+82,500
| +44% | +$2.67M |
|
1293
PUT
Progressive
PGR
$124B
| $9.11M | ﹤0.01% |
40,000
-54,200
| -58% | -$12.2M |
|
1294
Yum! Brands
YUM
$40B
| $9.08M | ﹤0.01% |
60,011
+31,225
| +108% | +$4.63M |
|
|
XYZ
1295
Block Inc
XYZ
$47.5B
| $9.08M | ﹤0.01% |
+139,454
| New | +$9.62M |
|
1296
PUT
DigitalOcean
DOCN
$15.3B
| $9.06M | ﹤0.01% |
188,300
+26,700
| +17% | +$1.18M |
|
1297
PUT
Fidelity National Information Services
FIS
$21.9B
| $9.06M | ﹤0.01% |
136,300
+300
| +0.2% | +$19.8K |
|
|
FLG
1298
CALL
Flagstar Bank National Association
FLG
$5.82B
| $9.03M | ﹤0.01% |
717,600
+190,900
| +36% | +$2.28M |
|
1299
PUT
Arthur J. Gallagher & Co
AJG
$64.3B
| $9.03M | ﹤0.01% |
34,900
+23,900
| +217% | +$6.33M |
|
1300
Celsius Holdings
CELH
$6.78B
| $9.02M | ﹤0.01% |
197,100
+128,469
| +187% | +$6.47M |
|
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.