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 | |
|---|---|---|---|---|---|---|
|
SERV
2826
PUT
Serve Robotics
SERV
$428M
| $531K | ﹤0.01% |
46,400
-18,400
| -28% | -$162K |
|
2827
PUT
Box
BOX
$4.66B
| $530K | ﹤0.01% |
15,500
-700
| -4% | -$23K |
|
2828
PUT
Aspen Aerogels
ASPN
$504M
| $527K | ﹤0.01% |
89,100
+6,100
| +7% | +$35.1K |
|
2829
Invesco S&P SmallCap Information Technology ETF
PSCT
$518M
| $527K | ﹤0.01% |
11,401
| – | – |
|
|
UNIT
2830
CALL
Uniti Group
UNIT
$2.38B
| $526K | ﹤0.01% |
121,800
-21,800
| -15% | -$97.9K |
|
2831
PUT
Transportadora de Gas del Sur
TGS
$4.2B
| $526K | ﹤0.01% |
+20,300
| New | +$557K |
|
2832
PUT
Array Technologies
ARRY
$796M
| $525K | ﹤0.01% |
89,000
-93,800
| -51% | -$570K |
|
2833
BHP
BHP
$222B
| $524K | ﹤0.01% |
+10,893
| New | +$524K |
|
2834
PUT
Evolv Technologies
EVLV
$1.04B
| $523K | ﹤0.01% |
83,800
+13,500
| +19% | +$62.5K |
|
|
PRMB
2835
PUT
Primo Brands
PRMB
$8.97B
| $521K | ﹤0.01% |
+17,600
| New | +$563K |
|
2836
CALL
Dentsply Sirona
XRAY
$2.31B
| $521K | ﹤0.01% |
32,800
+12,200
| +59% | +$182K |
|
2837
CALL
Qfin Holdings
QFIN
$1.52B
| $520K | ﹤0.01% |
12,000
-14,400
| -55% | -$600K |
|
2838
PUT
Gaotu Techedu
GOTU
$401M
| $520K | ﹤0.01% |
144,100
+46,900
| +48% | +$161K |
|
2839
PUT
Marqeta
MQ
$1.71B
| $520K | ﹤0.01% |
22,300
-4,250
| -16% | -$80.7K |
|
2840
PUT
Host Hotels & Resorts
HST
$15.6B
| $519K | ﹤0.01% |
33,800
+8,500
| +34% | +$126K |
|
|
PPLI
2841
PUT
People Inc
PPLI
$3.01B
| $519K | ﹤0.01% |
13,900
-81,304
| -85% | -$2.94M |
|
2842
PUT
Kodak
KODK
$978M
| $518K | ﹤0.01% |
91,700
-125,000
| -58% | -$751K |
|
2843
CALL
Viatris
VTRS
$18.4B
| $517K | ﹤0.01% |
+57,900
| New | +$490K |
|
2844
PUT
Patterson-UTI
PTEN
$4.16B
| $517K | ﹤0.01% |
87,100
+31,900
| +58% | +$192K |
|
|
2845
Aspen Aerogels
ASPN
$504M
| $516K | ﹤0.01% |
87,181
+40,041
| +85% | +$230K |
|
2846
Wolverine World Wide
WWW
$1.63B
| $516K | ﹤0.01% |
28,543
-5,231
| -15% | -$79.7K |
|
2847
O-I Glass
OI
$1.05B
| $515K | ﹤0.01% |
34,910
+7,816
| +29% | +$100K |
|
|
MOMO
2848
PUT
Hello Group
MOMO
$850M
| $514K | ﹤0.01% |
60,900
+13,000
| +27% | +$85.1K |
|
|
FL
2849
DELISTED
Foot Locker
FL
| $513K | ﹤0.01% |
+20,940
| New | +$380K |
|
2850
CALL
QuidelOrtho
QDEL
$1.03B
| $513K | ﹤0.01% |
17,800
+4,100
| +30% | +$121K |
|
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.