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 Russell 2000 ETF
IWM
|
+$106M |
| 2 |
Advanced Micro Devices
AMD
|
+$81.1M |
| 3 |
Amazon
AMZN
|
+$73M |
| 4 |
TSMC
TSM
|
+$68.5M |
| 5 |
iShares Silver Trust
SLV
|
+$64.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$214M |
| 2 |
iShares Core S&P 500 ETF
IVV
|
+$209M |
| 3 |
Invesco NASDAQ 100 ETF
QQQM
|
+$209M |
| 4 |
Vanguard S&P 500 ETF
VOO
|
+$150M |
| 5 |
Meta Platforms (Facebook)
META
|
+$102M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.28% |
| 2 | Consumer Discretionary | 0.23% |
| 3 | Healthcare | 0.11% |
| 4 | Communication Services | 0.09% |
| 5 | Financials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1126
CALL
Pultegroup
PHM
$25.7B
| $6.07M | ﹤0.01% |
59,000
-200
| -0.3% | -$21.6K |
|
1127
PUT
Universal Health Services
UHS
$10.1B
| $6.05M | ﹤0.01% |
+32,200
| New | +$5.87M |
|
1128
PUT
HSBC
HSBC
$356B
| $6.05M | ﹤0.01% |
105,300
+52,700
| +100% | +$2.88M |
|
1129
CALL
CoStar Group
CSGP
$12.4B
| $6.03M | ﹤0.01% |
76,100
+40,400
| +113% | +$3.07M |
|
1130
State Street SPDR S&P Biotech ETF
XBI
$10.1B
| $6.02M | ﹤0.01% |
+74,254
| New | +$6.64M |
|
1131
CALL
PPG Industries
PPG
$26.5B
| $6.01M | ﹤0.01% |
55,000
+19,400
| +54% | +$2.24M |
|
1132
CALL
Quantum Computing Inc
QUBT
$1.74B
| $6.01M | ﹤0.01% |
751,700
-219,200
| -23% | -$1.93M |
|
|
FITB
1133
CALL
Fifth Third Bancorp
FITB
$52.4B
| $6.01M | ﹤0.01% |
153,300
+2,000
| +1% | +$84.3K |
|
1134
PUT
FMC
FMC
$1.37B
| $5.99M | ﹤0.01% |
141,900
+66,700
| +89% | +$2.96M |
|
1135
CALL
Stride
LRN
$4.08B
| $5.98M | ﹤0.01% |
47,300
+4,100
| +9% | +$518K |
|
1136
PENN Entertainment
PENN
$2.82B
| $5.97M | ﹤0.01% |
365,918
+201,575
| +123% | +$3.94M |
|
1137
PUT
Yum! Brands
YUM
$41.4B
| $5.96M | ﹤0.01% |
37,900
+15,300
| +68% | +$2.2M |
|
1138
PUT
NetApp
NTAP
$34.2B
| $5.95M | ﹤0.01% |
67,700
+26,200
| +63% | +$2.9M |
|
1139
CALL
Doximity
DOCS
$3.85B
| $5.94M | ﹤0.01% |
102,300
+4,700
| +5% | +$297K |
|
1140
PUT
UiPath
PATH
$6.32B
| $5.93M | ﹤0.01% |
576,000
-6,500
| -1% | -$83.7K |
|
1141
CALL
Nasdaq
NDAQ
$53.6B
| $5.91M | ﹤0.01% |
77,900
+3,100
| +4% | +$244K |
|
1142
CALL
Insulet
PODD
$11.6B
| $5.91M | ﹤0.01% |
22,500
+5,800
| +35% | +$1.57M |
|
1143
CALL
Citizens Financial Group
CFG
$30.8B
| $5.88M | ﹤0.01% |
143,600
+74,500
| +108% | +$3.32M |
|
1144
PUT
C3.ai
AI
$1.38B
| $5.88M | ﹤0.01% |
279,200
-415,300
| -60% | -$11.8M |
|
1145
NIO
NIO
$11.7B
| $5.86M | ﹤0.01% |
1,538,721
-323,409
| -17% | -$1.42M |
|
1146
CALL
PG&E
PCG
$39.2B
| $5.85M | ﹤0.01% |
340,800
+56,900
| +20% | +$944K |
|
1147
ProShares Short QQQ
PSQ
$840M
| $5.85M | ﹤0.01% |
+144,072
| New | +$5.45M |
|
1148
PUT
Globalstar
GSAT
$10.2B
| $5.85M | ﹤0.01% |
280,600
+253,060
| +919% | +$6.13M |
|
1149
PUT
Commault Systems
CVLT
$4.97B
| $5.85M | ﹤0.01% |
37,100
+27,000
| +267% | +$4.44M |
|
|
HES
1150
PUT
DELISTED
Hess
HES
| $5.85M | ﹤0.01% |
36,600
-2,700
| -7% | -$397K |
|
Similar funds
IMC Chicago's Q1 2025 Portfolio in Review
As of Q1 2025, IMC Chicago held 3,586 positions worth $177B, down 18% from $215B the previous quarter. Its ten largest holdings account for 46% of the portfolio.
IMC Chicago withdrew a net $21.1B in Q1 2025, closing 516 positions and reducing 1,388 holdings. Its most notable exit was iShares Core S&P 500 ETF, an estimated $209M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.28% of assets, down from 0.32% a quarter earlier, followed by Consumer Discretionary and Healthcare.
Against the trend, IMC Chicago opened a new position in Amazon worth $64M.
- IMC Chicago's largest Q1 2025 buy was Amazon: 336,493 shares worth $64M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q1 2025, an estimated $106M increase.
- IMC Chicago's biggest Q1 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $214M.
- IMC Chicago fully exited iShares Core S&P 500 ETF in Q1 2025, selling an estimated $209M.
- IMC Chicago's ten largest holdings make up 46% of its $177B portfolio in Q1 2025.
- IMC Chicago opened 482 new positions and closed 516 in Q1 2025.
- IMC Chicago's portfolio value fell 18% quarter-over-quarter to $177B.
Based on IMC Chicago's 13F filing for Q1 2025, filed 14 Apr 2025.