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 | |
|---|---|---|---|---|---|---|
1101
CALL
Schwab US Broad Market ETF
SCHB
$42.9B
| $6.33M | ﹤0.01% |
226,500
+13,100
| +6% | +$298K |
|
1102
CALL
AES
AES
$10.6B
| $6.33M | ﹤0.01% |
509,500
+264,400
| +108% | +$3.06M |
|
1103
PUT
Tapestry
TPR
$30.5B
| $6.32M | ﹤0.01% |
89,800
-28,100
| -24% | -$2.13M |
|
1104
Astera Labs
ALAB
$44.6B
| $6.32M | ﹤0.01% |
105,891
+95,110
| +882% | +$8.8M |
|
1105
CALL
Cummins
CMI
$88.5B
| $6.3M | ﹤0.01% |
20,100
+6,500
| +48% | +$2.29M |
|
1106
PUT
Sprouts Farmers Market
SFM
$7.31B
| $6.29M | ﹤0.01% |
41,200
-40,900
| -50% | -$6.1M |
|
|
CFLT
1107
PUT
DELISTED
Confluent
CFLT
| $6.28M | ﹤0.01% |
268,000
+96,200
| +56% | +$2.79M |
|
1108
CALL
Alaska Air
ALK
$5.42B
| $6.28M | ﹤0.01% |
127,500
+59,300
| +87% | +$3.89M |
|
1109
CALL
Dover
DOV
$27.4B
| $6.27M | ﹤0.01% |
35,700
-9,500
| -21% | -$1.83M |
|
1110
PUT
Stanley Black & Decker
SWK
$14.6B
| $6.27M | ﹤0.01% |
81,500
| – | – |
|
|
TIGR
1111
PUT
UP Fintech Holding
TIGR
$858M
| $6.26M | ﹤0.01% |
728,900
+228,700
| +46% | +$1.71M |
|
1112
PUT
Ollie's Bargain Outlet
OLLI
$4.17B
| $6.25M | ﹤0.01% |
53,700
-13,600
| -20% | -$1.44M |
|
|
1113
PUT
Cummins
CMI
$88.5B
| $6.24M | ﹤0.01% |
19,900
+7,700
| +63% | +$2.71M |
|
1114
PUT
L3Harris
LHX
$56.9B
| $6.24M | ﹤0.01% |
+29,800
| New | +$6.25M |
|
1115
PUT
LyondellBasell Industries
LYB
$18.8B
| $6.23M | ﹤0.01% |
88,500
+3,000
| +4% | +$226K |
|
1116
CALL
Enbridge
ENB
$121B
| $6.23M | ﹤0.01% |
140,500
+50,100
| +55% | +$2.18M |
|
1117
PUT
-1x Short VIX Futures ETF
SVIX
$169M
| $6.21M | ﹤0.01% |
305,500
-14,600
| -5% | -$352K |
|
1118
PUT
Teva Pharmaceuticals
TEVA
$36.9B
| $6.21M | ﹤0.01% |
404,100
-467,700
| -54% | -$8.35M |
|
1119
CALL
MPLX
MPLX
$60.1B
| $6.19M | ﹤0.01% |
115,700
-157,400
| -58% | -$8.25M |
|
1120
PUT
APA Corp
APA
$12.3B
| $6.13M | ﹤0.01% |
291,600
+5,400
| +2% | +$119K |
|
1121
CALL
Hasbro
HAS
$13.6B
| $6.11M | ﹤0.01% |
99,400
-12,600
| -11% | -$762K |
|
1122
PUT
Truist Financial
TFC
$64.7B
| $6.1M | ﹤0.01% |
148,300
-43,500
| -23% | -$1.94M |
|
1123
PUT
Monster Beverage
MNST
$95.6B
| $6.1M | ﹤0.01% |
104,200
+17,400
| +20% | +$907K |
|
1124
CALL
Keysight
KEYS
$52.2B
| $6.1M | ﹤0.01% |
40,700
-16,900
| -29% | -$2.79M |
|
1125
CALL
Agilent Technologies
A
$39.7B
| $6.09M | ﹤0.01% |
52,100
+10,300
| +25% | +$1.39M |
|
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.