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 Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2926
CALL
Sturm, Ruger & Co
RGR
$596M
| $445K | ﹤0.01% |
12,400
+400
| +3% | +$14.9K |
|
2927
CALL
UWM Holdings
UWMC
$2.42B
| $445K | ﹤0.01% |
107,500
-9,500
| -8% | -$41.8K |
|
|
SKYT
2928
PUT
DELISTED
SkyWater Technology
SKYT
| $444K | ﹤0.01% |
45,100
+12,500
| +38% | +$101K |
|
|
FETH
2929
Fidelity Ethereum Fund
FETH
$1.02B
| $444K | ﹤0.01% |
+17,626
| New | +$387K |
|
2930
CALL
MINISO
MNSO
$3.55B
| $443K | ﹤0.01% |
24,300
-3,500
| -13% | -$62.9K |
|
|
LX
2931
PUT
LexinFintech Holdings
LX
$236M
| $443K | ﹤0.01% |
61,400
+11,400
| +23% | +$88.5K |
|
|
CIM
2932
PUT
Chimera Investment
CIM
$994M
| $442K | ﹤0.01% |
31,900
-3,300
| -9% | -$42.2K |
|
2933
Harley-Davidson
HOG
$2.7B
| $442K | ﹤0.01% |
18,738
-20,113
| -52% | -$478K |
|
2934
UBS Group
UBS
$176B
| $441K | ﹤0.01% |
+13,036
| New | +$403K |
|
|
TWO
2935
CALL
Two Harbors Investment
TWO
$1.26B
| $439K | ﹤0.01% |
40,800
+11,700
| +40% | +$132K |
|
2936
BlackBerry
BB
$5.21B
| $438K | ﹤0.01% |
95,622
-157,957
| -62% | -$596K |
|
|
FAZ
2937
Direxion Daily Financial Bear 3x ETF
FAZ
$86M
| $437K | ﹤0.01% |
9,960
-1,007
| -9% | -$54K |
|
|
LAC
2938
CALL
Lithium Americas
LAC
$1.18B
| $436K | ﹤0.01% |
162,500
-54,900
| -25% | -$152K |
|
|
2939
MINISO
MNSO
$3.55B
| $435K | ﹤0.01% |
23,857
-4,607
| -16% | -$82.7K |
|
2940
PUT
iShares Convertible Bond ETF
ICVT
$7.6B
| $433K | ﹤0.01% |
+10,900
| New | +$935K |
|
|
SEI
2941
PUT
Solaris Energy Infrastructure
SEI
$4.07B
| $433K | ﹤0.01% |
+15,300
| New | +$360K |
|
2942
CALL
Western Union
WU
$2.18B
| $433K | ﹤0.01% |
51,400
+8,400
| +20% | +$79.8K |
|
2943
CALL
LendingTree
TREE
$444M
| $430K | ﹤0.01% |
11,600
+1,000
| +9% | +$40.4K |
|
|
FINV
2944
FinVolution Group
FINV
$1.06B
| $429K | ﹤0.01% |
45,230
+4,276
| +10% | +$36.5K |
|
2945
SoundHound AI
SOUN
$3.28B
| $429K | ﹤0.01% |
39,954
-30,290
| -43% | -$285K |
|
|
CIM
2946
CALL
Chimera Investment
CIM
$994M
| $429K | ﹤0.01% |
30,900
+4,500
| +17% | +$57.5K |
|
2947
CALL
Amprius Technologies
AMPX
$1.78B
| $428K | ﹤0.01% |
+101,700
| New | +$286K |
|
2948
CALL
Warby Parker
WRBY
$3.12B
| $428K | ﹤0.01% |
19,500
+3,300
| +20% | +$61K |
|
2949
CALL
Krispy Kreme
DNUT
$574M
| $425K | ﹤0.01% |
146,100
+77,600
| +113% | +$271K |
|
2950
Redwire
RDW
$3.37B
| $425K | ﹤0.01% |
+26,055
| New | +$339K |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.