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 | |
|---|---|---|---|---|---|---|
3701
CALL
Oxford Industries
OXM
$552M
| $356K | ﹤0.01% |
+10,400
| New | +$387K |
|
|
CAI
3702
CALL
Caris Life Sciences
CAI
$6.43B
| $353K | ﹤0.01% |
+13,100
| New | +$369K |
|
3703
PUT
Smith & Wesson
SWBI
$637M
| $351K | ﹤0.01% |
35,600
-37,800
| -51% | -$365K |
|
|
SAFE
3704
Safehold
SAFE
$1.15B
| $351K | ﹤0.01% |
+25,665
| New | +$365K |
|
3705
CALL
Sabre
SABR
$835M
| $351K | ﹤0.01% |
258,100
+139,900
| +118% | +$241K |
|
3706
PUT
Banco Bradesco
BBD
$36.7B
| $351K | ﹤0.01% |
105,400
+600
| +0.6% | +$2.04K |
|
3707
Genesis Energy
GEL
$1.84B
| $351K | ﹤0.01% |
+22,489
| New | +$353K |
|
|
NFXS
3708
Direxion Daily NFLX Bear 1X ETF
NFXS
$4.65M
| $351K | ﹤0.01% |
+20,300
| New | +$312K |
|
3709
PUT
Arteris
AIP
$1.38B
| $350K | ﹤0.01% |
+22,600
| New | +$328K |
|
3710
CALL
Invitation Homes
INVH
$18B
| $350K | ﹤0.01% |
12,600
-1,000
| -7% | -$27.9K |
|
3711
PUT
Carbon Collective Climate Solutions US Equity ETF
CCSO
$49.7M
| $349K | ﹤0.01% |
23,900
-20,400
| -46% | -$512K |
|
3712
PUT
Quantum-Si Incorporated
QSI
$177M
| $349K | ﹤0.01% |
317,300
+109,800
| +53% | +$179K |
|
|
AUGM
3713
FT Vest U.S. Equity Max Buffer ETF - August
AUGM
$31.8M
| $348K | ﹤0.01% |
10,221
-3,592
| -26% | -$121K |
|
|
FINV
3714
PUT
FinVolution Group
FINV
$1.15B
| $347K | ﹤0.01% |
66,300
-38,100
| -36% | -$224K |
|
3715
PUT
Microvast
MVST
$302M
| $347K | ﹤0.01% |
123,800
-12,000
| -9% | -$50.1K |
|
|
LLYX
3716
Defiance Daily Target 2x Long LLY ETF
LLYX
$45.2M
| $345K | ﹤0.01% |
13,551
-15,826
| -54% | -$338K |
|
3717
PUT
GSI Technology
GSIT
$258M
| $345K | ﹤0.01% |
+55,600
| New | +$397K |
|
3718
CALL
NovaGold Resources
NG
$3.33B
| $342K | ﹤0.01% |
+36,700
| New | +$340K |
|
3719
CALL
Ezcorp Inc
EZPW
$1.71B
| $342K | ﹤0.01% |
+17,600
| New | +$332K |
|
3720
CALL
ProPetro Holding
PUMP
$1.35B
| $341K | ﹤0.01% |
+35,900
| New | +$312K |
|
3721
PagerDuty
PD
$902M
| $341K | ﹤0.01% |
26,010
-5,484
| -17% | -$80K |
|
3722
PUT
O-I Glass
OI
$1.08B
| $341K | ﹤0.01% |
23,100
-35,300
| -60% | -$467K |
|
3723
Compañía de Minas Buenaventura
BVN
$8.67B
| $340K | ﹤0.01% |
+12,210
| New | +$305K |
|
3724
PUT
Petco
WOOF
$794M
| $340K | ﹤0.01% |
120,900
-11,400
| -9% | -$36.9K |
|
|
CWVX
3725
CALL
Tradr 2X Long CRWV Daily ETF
CWVX
$116M
| $339K | ﹤0.01% |
+15,500
| New | +$875K |
|
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.