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 | |
|---|---|---|---|---|---|---|
1751
PUT
GDS Holdings
GDS
$6.29B
| $4.9M | ﹤0.01% |
140,300
+13,000
| +10% | +$449K |
|
1752
CALL
Canadian Pacific Kansas City
CP
$79.6B
| $4.88M | ﹤0.01% |
66,300
-3,100
| -4% | -$228K |
|
1753
CALL
Invesco
IVZ
$14B
| $4.86M | ﹤0.01% |
185,100
+49,800
| +37% | +$1.22M |
|
1754
PUT
Guardant Health
GH
$22.4B
| $4.86M | ﹤0.01% |
47,600
+17,600
| +59% | +$1.57M |
|
1755
PUT
Ramaco Resources Class A
METC
$645M
| $4.86M | ﹤0.01% |
269,800
+133,000
| +97% | +$3.49M |
|
1756
CALL
Vulcan Materials
VMC
$37B
| $4.85M | ﹤0.01% |
17,000
+600
| +4% | +$176K |
|
1757
PUT
Thor Industries
THO
$4.14B
| $4.83M | ﹤0.01% |
47,000
+14,600
| +45% | +$1.52M |
|
|
HSAI
1758
CALL
Hesai Group
HSAI
$3.03B
| $4.82M | ﹤0.01% |
215,200
+143,000
| +198% | +$3.13M |
|
1759
PUT
JFrog
FROG
$10.7B
| $4.82M | ﹤0.01% |
77,100
-2,500
| -3% | -$142K |
|
1760
PUT
Signet Jewelers
SIG
$3.67B
| $4.82M | ﹤0.01% |
58,100
+13,100
| +29% | +$1.24M |
|
1761
CALL
American Superconductor
AMSC
$1.5B
| $4.81M | ﹤0.01% |
167,300
+32,600
| +24% | +$1.41M |
|
1762
CALL
Exelon
EXC
$45.8B
| $4.81M | ﹤0.01% |
110,300
-13,000
| -11% | -$593K |
|
1763
PUT
Evercore
EVR
$11.5B
| $4.8M | ﹤0.01% |
+14,100
| New | +$4.53M |
|
1764
PUT
Aflac
AFL
$61.1B
| $4.8M | ﹤0.01% |
43,500
+4,300
| +11% | +$474K |
|
1765
Direxion Daily NVDA Bear 1X ETF
NVDD
$20.1M
| $4.79M | ﹤0.01% |
+124,810
| New | +$4.86M |
|
1766
Twilio
TWLO
$38.4B
| $4.77M | ﹤0.01% |
33,542
-20,055
| -37% | -$2.48M |
|
|
SEZL
1767
PUT
Sezzle
SEZL
$3.97B
| $4.77M | ﹤0.01% |
+75,100
| New | +$5.12M |
|
1768
CALL
Henry Schein
HSIC
$9.82B
| $4.76M | ﹤0.01% |
+63,000
| New | +$4.43M |
|
1769
CALL
Hycroft Mining Holding Corp
HYMC
$2.54B
| $4.75M | ﹤0.01% |
+200,000
| New | +$2.21M |
|
1770
PUT
Transocean
RIG
$6.39B
| $4.75M | ﹤0.01% |
1,151,000
+122,300
| +12% | +$475K |
|
1771
PUT
Booz Allen Hamilton
BAH
$9.37B
| $4.75M | ﹤0.01% |
56,300
+6,800
| +14% | +$609K |
|
1772
SS&C Technologies
SSNC
$18.7B
| $4.75M | ﹤0.01% |
+54,319
| New | +$4.63M |
|
1773
CALL
EPAM Systems
EPAM
$5.02B
| $4.73M | ﹤0.01% |
23,100
-2,500
| -10% | -$446K |
|
|
SKYT
1774
CALL
DELISTED
SkyWater Technology
SKYT
| $4.73M | ﹤0.01% |
260,200
+78,800
| +43% | +$1.37M |
|
1775
Coeur Mining
CDE
$18.7B
| $4.72M | ﹤0.01% |
+264,776
| New | +$4.6M |
|
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.