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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2526
Sable Offshore Corp
SOC
$773M
| $1.3M | ﹤0.01% |
74,564
-7,441
| -9% | -$191K |
|
2527
CALL
UWM Holdings
UWMC
$2.61B
| $1.3M | ﹤0.01% |
213,700
+106,200
| +99% | +$557K |
|
2528
Capri Holdings
CPRI
$1.77B
| $1.3M | ﹤0.01% |
65,331
+17,913
| +38% | +$359K |
|
2529
CALL
YieldMax MSTR Option Income Strategy ETF
MSTY
$751M
| $1.3M | ﹤0.01% |
18,640
-4,900
| -21% | -$446K |
|
2530
PUT
Gold Fields
GFI
$35.4B
| $1.3M | ﹤0.01% |
31,000
-18,100
| -37% | -$561K |
|
2531
CALL
Arbor Realty Trust
ABR
$981M
| $1.3M | ﹤0.01% |
106,400
-17,800
| -14% | -$207K |
|
2532
Redwire
RDW
$3.3B
| $1.3M | ﹤0.01% |
144,285
+118,230
| +454% | +$1.38M |
|
2533
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
| $1.29M | ﹤0.01% |
+13,601
| New | +$1.27M |
|
2534
PUT
Canadian Imperial Bank of Commerce
CM
$112B
| $1.29M | ﹤0.01% |
+16,200
| New | +$1.22M |
|
2535
Stellantis
STLA
$20.2B
| $1.29M | ﹤0.01% |
138,421
+20,441
| +17% | +$196K |
|
2536
PUT
Fox Class A
FOXA
$27.5B
| $1.29M | ﹤0.01% |
20,500
+2,900
| +16% | +$168K |
|
2537
Direxion Daily GOOGL Bear 1X ETF
GGLS
$16.1M
| $1.29M | ﹤0.01% |
14,505
+5,689
| +65% | +$601K |
|
2538
dLocal
DLO
$4.34B
| $1.29M | ﹤0.01% |
90,492
-35,346
| -28% | -$449K |
|
2539
PUT
Sun Communities
SUI
$14.6B
| $1.29M | ﹤0.01% |
+10,000
| New | +$1.26M |
|
2540
CALL
Aspen Aerogels
ASPN
$504M
| $1.29M | ﹤0.01% |
185,100
+47,900
| +35% | +$338K |
|
2541
CALL
Vodafone
VOD
$37.5B
| $1.29M | ﹤0.01% |
110,800
+58,600
| +112% | +$668K |
|
2542
PUT
Brookfield Asset Management
BAM
$89.2B
| $1.28M | ﹤0.01% |
22,500
+4,300
| +24% | +$256K |
|
2543
CALL
Stratasys
SSYS
$779M
| $1.28M | ﹤0.01% |
114,300
+96,800
| +553% | +$1.04M |
|
2544
PUT
Cirrus Logic
CRUS
$6.08B
| $1.28M | ﹤0.01% |
+10,200
| New | +$1.14M |
|
|
HBI
2545
CALL
DELISTED
Hanesbrands
HBI
| $1.28M | ﹤0.01% |
193,500
+75,600
| +64% | +$418K |
|
|
OPRA
2546
CALL
Opera Ltd
OPRA
$1.8B
| $1.27M | ﹤0.01% |
61,700
+25,400
| +70% | +$454K |
|
2547
SGHC Ltd
SGHC
$6.65B
| $1.27M | ﹤0.01% |
+96,472
| New | +$1.14M |
|
2548
CALL
Under Armour
UAA
$2.3B
| $1.27M | ﹤0.01% |
254,100
-53,100
| -17% | -$309K |
|
2549
PUT
Meritage Homes
MTH
$4.8B
| $1.27M | ﹤0.01% |
17,500
+3,000
| +21% | +$223K |
|
2550
FT Vest US Equity Buffer ETF November
FNOV
$1.24B
| $1.27M | ﹤0.01% |
+23,958
| New | +$1.23M |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.