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 | |
|---|---|---|---|---|---|---|
1126
PUT
Oscar Health
OSCR
$9.5B
| $8.05M | ﹤0.01% |
375,500
+178,800
| +91% | +$2.66M |
|
|
GAP
1127
CALL
The Gap Inc
GAP
$7.34B
| $8.05M | ﹤0.01% |
369,000
+52,400
| +17% | +$1.17M |
|
1128
Verizon
VZ
$200B
| $8.03M | ﹤0.01% |
+185,469
| New | +$8.03M |
|
1129
PUT
Lemonade
LMND
$4.1B
| $8.02M | ﹤0.01% |
183,000
+1,400
| +0.8% | +$46.7K |
|
1130
PUT
Intercontinental Exchange
ICE
$87.2B
| $7.98M | ﹤0.01% |
43,500
-39,100
| -47% | -$6.72M |
|
1131
CALL
Invesco CurrencyShares Japanese Yen Trust
FXY
$426M
| $7.98M | ﹤0.01% |
124,800
+49,200
| +65% | +$3.14M |
|
|
PPLC
1132
PUT
DELISTED
PortfolioPlus S&P 500 ETF
PPLC
| $7.93M | ﹤0.01% |
183,500
+10,500
| +6% | +$454K |
|
1133
PUT
Trane Technologies
TT
$105B
| $7.92M | ﹤0.01% |
+18,100
| New | +$7.14M |
|
1134
PUT
Pan American Silver
PAAS
$19.9B
| $7.91M | ﹤0.01% |
278,600
+93,700
| +51% | +$2.42M |
|
1135
CALL
Genuine Parts
GPC
$18.7B
| $7.87M | ﹤0.01% |
64,900
+19,400
| +43% | +$2.33M |
|
1136
CALL
Dutch Bros
BROS
$8.93B
| $7.86M | ﹤0.01% |
115,000
+5,600
| +5% | +$365K |
|
1137
CALL
Magnite
MGNI
$3.53B
| $7.86M | ﹤0.01% |
325,900
+196,400
| +152% | +$2.89M |
|
1138
CALL
XPO
XPO
$24.7B
| $7.84M | ﹤0.01% |
62,100
-36,500
| -37% | -$4.09M |
|
1139
PUT
Symbotic
SYM
$5.43B
| $7.82M | ﹤0.01% |
201,200
+11,800
| +6% | +$309K |
|
1140
CALL
Welltower
WELL
$169B
| $7.81M | ﹤0.01% |
50,800
-21,100
| -29% | -$3.15M |
|
1141
CALL
GSK
GSK
$101B
| $7.81M | ﹤0.01% |
203,300
-42,300
| -17% | -$1.62M |
|
|
1142
CALL
Pan American Silver
PAAS
$19.9B
| $7.79M | ﹤0.01% |
274,300
-23,800
| -8% | -$616K |
|
1143
CALL
QuantumScape Corp
QS
$3.79B
| $7.79M | ﹤0.01% |
1,158,800
+750,100
| +184% | +$3.17M |
|
1144
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.41B
| $7.78M | ﹤0.01% |
+44,845
| New | +$6.32M |
|
1145
CALL
Becton Dickinson
BDX
$49.6B
| $7.73M | ﹤0.01% |
44,900
+12,200
| +37% | +$2.24M |
|
1146
CALL
Norfolk Southern
NSC
$75.9B
| $7.73M | ﹤0.01% |
30,200
-8,900
| -23% | -$2.1M |
|
1147
PUT
Cleveland-Cliffs
CLF
$6.93B
| $7.67M | ﹤0.01% |
1,009,200
-44,300
| -4% | -$329K |
|
1148
PUT
Idexx Laboratories
IDXX
$44.7B
| $7.67M | ﹤0.01% |
14,300
+3,500
| +32% | +$1.67M |
|
1149
CALL
Kratos Defense & Security Solutions
KTOS
$11.8B
| $7.66M | ﹤0.01% |
164,900
+75,000
| +83% | +$2.72M |
|
1150
PUT
Citizens Financial Group
CFG
$31.2B
| $7.66M | ﹤0.01% |
171,100
+105,700
| +162% | +$4.16M |
|
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.