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 | |
|---|---|---|---|---|---|---|
|
BMNZ
2526
Defiance Daily Target 2X Short BMNR ETF
BMNZ
$13M
| $1.78M | ﹤0.01% |
+74,509
| New | +$1.71M |
|
2527
PUT
Dave & Buster's
PLAY
$349M
| $1.78M | ﹤0.01% |
109,800
-61,500
| -36% | -$1.03M |
|
2528
PUT
B2Gold
BTG
$6.7B
| $1.78M | ﹤0.01% |
394,300
+213,800
| +118% | +$996K |
|
2529
First Industrial Realty Trust
FR
$8.35B
| $1.78M | ﹤0.01% |
+31,000
| New | +$1.73M |
|
2530
PUT
Synaptics
SYNA
$4.18B
| $1.77M | ﹤0.01% |
+23,900
| New | +$1.68M |
|
2531
CALL
Crescent Energy
CRGY
$4.1B
| $1.77M | ﹤0.01% |
+210,700
| New | +$1.85M |
|
2532
PUT
Deutsche Bank
DB
$71.8B
| $1.77M | ﹤0.01% |
45,800
-52,700
| -54% | -$1.9M |
|
2533
CALL
Organon & Co
OGN
$3.58B
| $1.77M | ﹤0.01% |
246,200
+19,400
| +9% | +$153K |
|
2534
CALL
UWM Holdings
UWMC
$2.45B
| $1.76M | ﹤0.01% |
401,700
+188,000
| +88% | +$1.01M |
|
2535
CALL
ChargePoint
CHPT
$162M
| $1.75M | ﹤0.01% |
+263,600
| New | +$2.49M |
|
2536
CALL
Axos Financial
AX
$5.68B
| $1.75M | ﹤0.01% |
20,300
-10,700
| -35% | -$881K |
|
2537
CALL
Polestar Automotive Holding UK
PSNY
$2B
| $1.75M | ﹤0.01% |
+81,700
| New | +$1.71M |
|
2538
PUT
Robert Half
RHI
$4.31B
| $1.74M | ﹤0.01% |
64,200
+1,600
| +3% | +$45.7K |
|
2539
CALL
Silicon Motion
SIMO
$7.6B
| $1.74M | ﹤0.01% |
18,800
-11,700
| -38% | -$1.07M |
|
2540
CALL
Cirrus Logic
CRUS
$6.11B
| $1.74M | ﹤0.01% |
14,700
-9,300
| -39% | -$1.14M |
|
2541
PUT
AMC Entertainment Holdings
AMC
$2.14B
| $1.74M | ﹤0.01% |
1,116,000
+3,800
| +0.3% | +$9.06K |
|
2542
PUT
Molson Coors Class B
TAP
$7.83B
| $1.74M | ﹤0.01% |
37,200
-67,200
| -64% | -$3.1M |
|
2543
Eastman Chemical
EMN
$8.55B
| $1.73M | ﹤0.01% |
+27,068
| New | +$1.67M |
|
2544
PUT
Huntsman Corp
HUN
$1.83B
| $1.73M | ﹤0.01% |
172,700
+67,900
| +65% | +$622K |
|
2545
CALL
Canadian Imperial Bank of Commerce
CM
$109B
| $1.72M | ﹤0.01% |
19,000
-14,000
| -42% | -$1.2M |
|
|
2546
PUT
Canadian Imperial Bank of Commerce
CM
$109B
| $1.72M | ﹤0.01% |
19,000
+2,800
| +17% | +$240K |
|
|
FETH
2547
PUT
Fidelity Ethereum Fund
FETH
$1.01B
| $1.72M | ﹤0.01% |
+58,000
| New | +$2M |
|
2548
Southern Company
SO
$106B
| $1.72M | ﹤0.01% |
+19,687
| New | +$1.8M |
|
2549
CALL
Champion Homes
SKY
$5.11B
| $1.72M | ﹤0.01% |
20,300
+6,800
| +50% | +$536K |
|
|
STUB
2550
CALL
StubHub Holdings
STUB
$3.07B
| $1.71M | ﹤0.01% |
+126,600
| New | +$1.99M |
|
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.