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 | |
|---|---|---|---|---|---|---|
2401
PUT
Ball Corp
BALL
$16.4B
| $2.04M | ﹤0.01% |
38,500
+15,800
| +70% | +$778K |
|
|
BABO
2402
CALL
YieldMax BABA Option Income Strategy ETF
BABO
$17.7M
| $2.04M | ﹤0.01% |
228,000
+210,300
| +1,188% | +$3.2M |
|
2403
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.52B
| $2.04M | ﹤0.01% |
50,463
-25,633
| -34% | -$1.05M |
|
2404
CALL
Charles River Laboratories
CRL
$13.6B
| $2.03M | ﹤0.01% |
10,200
-100
| -1% | -$18.1K |
|
2405
CALL
Entergy
ETR
$50.1B
| $2.03M | ﹤0.01% |
22,000
-31,000
| -58% | -$2.94M |
|
2406
Bitdeer Technologies
BTDR
$2.5B
| $2.03M | ﹤0.01% |
181,291
+59,470
| +49% | +$958K |
|
2407
PUT
Magnite
MGNI
$3.48B
| $2.03M | ﹤0.01% |
125,200
+12,100
| +11% | +$201K |
|
2408
CALL
Vanguard Total World Stock ETF
VT
$81.5B
| $2.03M | ﹤0.01% |
14,400
| – | – |
|
2409
CALL
SBA Communications
SBAC
$19.4B
| $2.03M | ﹤0.01% |
+10,500
| New | +$2.03M |
|
2410
CALL
ODDITY Tech
ODD
$581M
| $2.03M | ﹤0.01% |
50,500
+8,800
| +21% | +$398K |
|
2411
Cleveland-Cliffs
CLF
$6.97B
| $2.03M | ﹤0.01% |
+152,778
| New | +$1.93M |
|
2412
PUT
Brookfield
BN
$109B
| $2.03M | ﹤0.01% |
44,200
+1,600
| +4% | +$73K |
|
2413
Capri Holdings
CPRI
$1.73B
| $2.03M | ﹤0.01% |
82,994
+17,663
| +27% | +$409K |
|
2414
CALL
Warby Parker
WRBY
$3.09B
| $2.02M | ﹤0.01% |
92,900
+74,000
| +392% | +$1.61M |
|
|
2415
CALL
Brookfield
BN
$109B
| $2.02M | ﹤0.01% |
44,100
-57,000
| -56% | -$2.6M |
|
2416
Clorox
CLX
$12.8B
| $2.02M | ﹤0.01% |
+20,070
| New | +$2.18M |
|
2417
PUT
Chemours
CC
$2.31B
| $2.01M | ﹤0.01% |
170,800
+70,100
| +70% | +$900K |
|
|
PPL
2418
PUT
PPL Corp
PPL
$26.6B
| $2.01M | ﹤0.01% |
57,500
-30,200
| -34% | -$1.09M |
|
2419
CALL
H&R Block
HRB
$6.92B
| $2.01M | ﹤0.01% |
46,200
+17,200
| +59% | +$804K |
|
2420
PUT
Mohawk Industries
MHK
$9.11B
| $2.01M | ﹤0.01% |
18,400
+800
| +5% | +$91.9K |
|
2421
CALL
EnerSys
ENS
$6.85B
| $2.01M | ﹤0.01% |
+13,700
| New | +$1.83M |
|
2422
Quantum Computing Inc
QUBT
$2.01B
| $2.01M | ﹤0.01% |
+195,908
| New | +$2.79M |
|
2423
APA Corp
APA
$14B
| $2.01M | ﹤0.01% |
+82,145
| New | +$1.99M |
|
2424
CALL
Strive Inc
ASST
$1.08B
| $2.01M | ﹤0.01% |
+136,085
| New | +$3.25M |
|
2425
Direxion Daily 20+ Year Treasury Bear 3X ETF
TMV
$193M
| $2.01M | ﹤0.01% |
53,995
-109,597
| -67% | -$3.81M |
|
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.