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 | |
|---|---|---|---|---|---|---|
1576
CALL
Hertz
HTZ
$870M
| $3.77M | ﹤0.01% |
551,400
-45,700
| -8% | -$285K |
|
1577
CALL
United Therapeutics
UTHR
$21.4B
| $3.76M | ﹤0.01% |
+13,100
| New | +$3.92M |
|
1578
CALL
Novavax
NVAX
$1.34B
| $3.76M | ﹤0.01% |
597,300
+263,700
| +79% | +$1.75M |
|
1579
CALL
VeriSign
VRSN
$26.1B
| $3.75M | ﹤0.01% |
13,000
-900
| -6% | -$244K |
|
1580
PUT
Jefferies Financial Group
JEF
$12.9B
| $3.74M | ﹤0.01% |
68,400
+23,900
| +54% | +$1.18M |
|
1581
CALL
Stellantis
STLA
$20.2B
| $3.74M | ﹤0.01% |
372,600
-113,000
| -23% | -$1.11M |
|
1582
PUT
MasTec
MTZ
$23B
| $3.73M | ﹤0.01% |
21,900
+6,500
| +42% | +$936K |
|
1583
PUT
American Eagle Outfitters
AEO
$2.73B
| $3.72M | ﹤0.01% |
386,600
+165,000
| +74% | +$1.77M |
|
1584
State Street Health Care Select Sector SPDR ETF
XLV
$44B
| $3.72M | ﹤0.01% |
27,580
-27,143
| -50% | -$3.67M |
|
1585
Iris Energy
IREN
$16B
| $3.7M | ﹤0.01% |
254,248
-438,171
| -63% | -$3.56M |
|
1586
PUT
Dover
DOV
$27.8B
| $3.7M | ﹤0.01% |
20,200
+5,400
| +36% | +$940K |
|
1587
Nu Holdings
NU
$76.4B
| $3.7M | ﹤0.01% |
269,502
-10,510
| -4% | -$126K |
|
1588
CALL
Cinemark Holdings
CNK
$4.37B
| $3.68M | ﹤0.01% |
122,000
-4,800
| -4% | -$145K |
|
1589
PUT
Urban Outfitters
URBN
$6.53B
| $3.68M | ﹤0.01% |
50,700
+17,800
| +54% | +$1.07M |
|
1590
CALL
Blue Owl Capital
OWL
$19.7B
| $3.68M | ﹤0.01% |
191,400
+36,100
| +23% | +$668K |
|
1591
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$427M
| $3.68M | ﹤0.01% |
57,500
+9,900
| +21% | +$631K |
|
1592
CALL
FIVE9
FIVN
$2.55B
| $3.68M | ﹤0.01% |
138,800
+52,000
| +60% | +$1.35M |
|
1593
CALL
DaVita
DVA
$11.4B
| $3.68M | ﹤0.01% |
25,800
-4,300
| -14% | -$609K |
|
1594
PUT
PBF Energy
PBF
$8.81B
| $3.67M | ﹤0.01% |
169,400
+23,700
| +16% | +$450K |
|
1595
State Street SPDR S&P 400 Mid Cap Value ETF
MDYV
$2.89B
| $3.67M | ﹤0.01% |
46,193
+27,933
| +153% | +$2.12M |
|
|
BABO
1596
PUT
YieldMax BABA Option Income Strategy ETF
BABO
$17.2M
| $3.67M | ﹤0.01% |
142,800
+86,400
| +153% | +$1.43M |
|
1597
PUT
XPO
XPO
$24.5B
| $3.65M | ﹤0.01% |
28,900
-20,300
| -41% | -$2.28M |
|
1598
Direxion Daily TSLA Bear 1X ETF
TSLS
$73.2M
| $3.64M | ﹤0.01% |
46,482
+41,171
| +775% | +$3.66M |
|
|
QXO
1599
PUT
QXO Inc
QXO
$16.1B
| $3.64M | ﹤0.01% |
169,100
+125,000
| +283% | +$2.05M |
|
1600
Aon
AON
$75.7B
| $3.64M | ﹤0.01% |
+10,203
| New | +$3.7M |
|
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.