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 | |
|---|---|---|---|---|---|---|
2501
CALL
Franklin Resources
BEN
$16.9B
| $1.83M | ﹤0.01% |
76,600
-75,300
| -50% | -$1.73M |
|
2502
CALL
Compass
COMP
$9.74B
| $1.83M | ﹤0.01% |
173,000
+99,300
| +135% | +$906K |
|
2503
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.7B
| $1.83M | ﹤0.01% |
+15,312
| New | +$1.82M |
|
2504
CALL
Impinj
PI
$5.32B
| $1.83M | ﹤0.01% |
10,500
-5,800
| -36% | -$1.03M |
|
|
DOCU
2505
DocuSign
DOCU
$11.3B
| $1.82M | ﹤0.01% |
26,641
-23,017
| -46% | -$1.59M |
|
2506
CALL
Sportradar
SRAD
$3.93B
| $1.82M | ﹤0.01% |
76,600
+53,100
| +226% | +$1.28M |
|
|
ABVX
2507
PUT
Abivax
ABVX
$11.1B
| $1.82M | ﹤0.01% |
+13,500
| New | +$1.47M |
|
2508
Agnico Eagle Mines
AEM
$92B
| $1.82M | ﹤0.01% |
+10,726
| New | +$1.8M |
|
2509
CALL
Viper Energy
VNOM
$15.4B
| $1.82M | ﹤0.01% |
+47,000
| New | +$1.78M |
|
2510
CALL
Enviri
NVRI
$566M
| $1.81M | ﹤0.01% |
+101,100
| New | +$1.51M |
|
2511
CALL
TETRA Technologies
TTI
$1.31B
| $1.81M | ﹤0.01% |
193,200
+155,800
| +417% | +$1.2M |
|
|
PR
2512
CALL
Permian Resources
PR
$18B
| $1.81M | ﹤0.01% |
128,900
+8,300
| +7% | +$111K |
|
2513
PUT
Elanco Animal Health
ELAN
$11.4B
| $1.81M | ﹤0.01% |
79,900
+44,100
| +123% | +$960K |
|
|
CMA
2514
DELISTED
Comerica
CMA
| $1.81M | ﹤0.01% |
+20,775
| New | +$1.67M |
|
2515
CALL
Domo
DOMO
$184M
| $1.8M | ﹤0.01% |
214,100
+94,900
| +80% | +$1.12M |
|
2516
CALL
Nabors Industries
NBR
$1.3B
| $1.8M | ﹤0.01% |
33,200
-900
| -3% | -$43.9K |
|
2517
Aurora
AUR
$13.6B
| $1.8M | ﹤0.01% |
468,705
+134,595
| +40% | +$616K |
|
2518
Iron Mountain
IRM
$36.4B
| $1.8M | ﹤0.01% |
21,647
+7,036
| +48% | +$659K |
|
2519
PUT
Redwire
RDW
$3.38B
| $1.79M | ﹤0.01% |
235,900
+89,500
| +61% | +$657K |
|
2520
CALL
Vista Energy
VIST
$7.33B
| $1.79M | ﹤0.01% |
36,800
+20,000
| +119% | +$904K |
|
2521
Bilibili
BILI
$7.53B
| $1.79M | ﹤0.01% |
72,807
-151,326
| -68% | -$4.07M |
|
2522
Bit Digital
BTBT
$471M
| $1.79M | ﹤0.01% |
946,219
-37,621
| -4% | -$109K |
|
2523
CALL
PAR Technology
PAR
$721M
| $1.78M | ﹤0.01% |
+49,200
| New | +$1.78M |
|
|
XRPI
2524
Volatility Shares Trust XRP ETF
XRPI
$82.4M
| $1.78M | ﹤0.01% |
+168,823
| New | +$2.28M |
|
2525
Estee Lauder
EL
$31.8B
| $1.78M | ﹤0.01% |
17,008
-26,131
| -61% | -$2.54M |
|
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.