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 | |
|---|---|---|---|---|---|---|
876
PUT
Fabrinet
FN
$20.3B
| $13.5M | 0.01% |
+45,900
| New | +$10.2M |
|
|
ECHO
877
CALL
EchoStar
ECHO
$26.6B
| $13.5M | 0.01% |
488,000
+328,500
| +206% | +$7.22M |
|
878
CALL
Root
ROOT
$772M
| $13.5M | 0.01% |
105,600
-6,700
| -6% | -$908K |
|
879
CALL
Samsara
IOT
$24B
| $13.5M | 0.01% |
339,400
+134,600
| +66% | +$5.56M |
|
880
PUT
iShares Gold Trust
IAU
$64.5B
| $13.5M | 0.01% |
216,500
+135,200
| +166% | +$8.38M |
|
881
Eli Lilly
LLY
$1.08T
| $13.5M | 0.01% |
+17,293
| New | +$13.4M |
|
882
PUT
Ross Stores
ROST
$78.6B
| $13.5M | 0.01% |
105,500
+45,900
| +77% | +$6.37M |
|
883
CALL
Edwards Lifesciences
EW
$53.4B
| $13.4M | 0.01% |
171,700
+16,100
| +10% | +$1.2M |
|
884
CALL
Archer Aviation
ACHR
$5.37B
| $13.4M | 0.01% |
1,237,500
+473,100
| +62% | +$4.43M |
|
885
CALL
Cencora
COR
$59.2B
| $13.4M | 0.01% |
44,700
+4,700
| +12% | +$1.35M |
|
|
B
886
CALL
Barrick Mining
B
$67.3B
| $13.3M | 0.01% |
640,400
-172,300
| -21% | -$3.37M |
|
887
CALL
Advance Auto Parts
AAP
$3.46B
| $13.3M | 0.01% |
286,200
+88,100
| +44% | +$3.53M |
|
888
CALL
Skyworks Solutions
SWKS
$10.5B
| $13.3M | 0.01% |
178,300
-15,900
| -8% | -$1.06M |
|
889
CALL
Fastenal
FAST
$58.9B
| $13.2M | 0.01% |
314,900
+55,900
| +22% | +$2.27M |
|
890
PUT
NRG Energy
NRG
$25.2B
| $13.2M | 0.01% |
82,000
+11,300
| +16% | +$1.49M |
|
891
CALL
Range Resources
RRC
$9.33B
| $13.1M | 0.01% |
323,000
+245,300
| +316% | +$9.25M |
|
892
PUT
ClearShares Piton Intermediate Fixed Income ETF
PIFI
$98M
| $13.1M | 0.01% |
570,300
+249,000
| +77% | +$23.5M |
|
893
PUT
Oneok
OKE
$58.4B
| $13.1M | 0.01% |
160,400
-9,100
| -5% | -$759K |
|
894
CALL
NXP Semiconductors
NXPI
$58.5B
| $13.1M | 0.01% |
59,900
+6,200
| +12% | +$1.21M |
|
895
PUT
Duke Energy
DUK
$97.1B
| $13.1M | 0.01% |
110,900
+46,700
| +73% | +$5.51M |
|
896
CALL
Oscar Health
OSCR
$9.5B
| $13.1M | 0.01% |
609,700
+401,400
| +193% | +$5.97M |
|
897
CALL
Devon Energy
DVN
$48.8B
| $13M | 0.01% |
408,200
+54,200
| +15% | +$1.73M |
|
898
CALL
ProShares Ether Strategy ETF
EETH
$54.3M
| $13M | 0.01% |
549,900
+151,600
| +38% | +$6.16M |
|
899
Automatic Data Processing
ADP
$110B
| $12.9M | 0.01% |
41,946
+26,298
| +168% | +$8.08M |
|
900
CALL
Sprott Uranium Miners ETF
URNM
$2B
| $12.9M | 0.01% |
269,500
+130,800
| +94% | +$4.96M |
|
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.