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 | |
|---|---|---|---|---|---|---|
1076
iShares National Muni Bond ETF
MUB
$45.3B
| $6.58M | ﹤0.01% |
+62,413
| New | +$6.64M |
|
1077
PUT
Iris Energy
IREN
$12.1B
| $6.54M | ﹤0.01% |
1,074,300
+467,500
| +77% | +$4.55M |
|
1078
CALL
Symbotic
SYM
$5.39B
| $6.54M | ﹤0.01% |
323,500
-13,400
| -4% | -$342K |
|
1079
PUT
Iron Mountain
IRM
$37.4B
| $6.53M | ﹤0.01% |
75,900
-39,600
| -34% | -$3.82M |
|
1080
PUT
Paychex
PAYX
$42.3B
| $6.53M | ﹤0.01% |
42,300
-53,700
| -56% | -$7.9M |
|
|
GAP
1081
CALL
The Gap Inc
GAP
$7.28B
| $6.53M | ﹤0.01% |
316,600
-87,700
| -22% | -$1.97M |
|
1082
PUT
Flutter Entertainment
FLUT
$18.9B
| $6.51M | ﹤0.01% |
29,400
+17,200
| +141% | +$4.45M |
|
1083
AbbVie
ABBV
$465B
| $6.51M | ﹤0.01% |
31,070
-28,577
| -48% | -$5.56M |
|
1084
CALL
J.M. Smucker
SJM
$13.2B
| $6.5M | ﹤0.01% |
54,900
-9,500
| -15% | -$1.03M |
|
1085
PUT
Alpha Metallurgical Resources
AMR
$1.84B
| $6.5M | ﹤0.01% |
51,900
+3,100
| +6% | +$504K |
|
1086
CALL
Lantheus
LNTH
$6.68B
| $6.5M | ﹤0.01% |
66,600
+1,600
| +2% | +$150K |
|
1087
State Street SPDR S&P Capital Markets ETF
KCE
$461M
| $6.5M | ﹤0.01% |
+51,489
| New | +$7.04M |
|
1088
CALL
Leidos
LDOS
$14.9B
| $6.46M | ﹤0.01% |
47,900
+28,100
| +142% | +$3.92M |
|
1089
CALL
FMC
FMC
$1.37B
| $6.46M | ﹤0.01% |
153,200
+70,100
| +84% | +$3.11M |
|
1090
PUT
Edison International
EIX
$30.7B
| $6.44M | ﹤0.01% |
109,300
+59,300
| +119% | +$3.41M |
|
1091
CALL
SL Green Realty
SLG
$3.77B
| $6.43M | ﹤0.01% |
111,500
+56,000
| +101% | +$3.53M |
|
1092
PUT
Biogen
BIIB
$30.4B
| $6.43M | ﹤0.01% |
+47,000
| New | +$6.72M |
|
1093
CALL
Comfort Systems
FIX
$57.2B
| $6.41M | ﹤0.01% |
+19,900
| New | +$8.03M |
|
1094
CALL
Aptiv
APTV
$12.6B
| $6.41M | ﹤0.01% |
107,700
-19,100
| -15% | -$1.21M |
|
1095
CALL
Entergy
ETR
$52.4B
| $6.4M | ﹤0.01% |
74,900
+18,800
| +34% | +$1.55M |
|
1096
CALL
Motorola Solutions
MSI
$73.1B
| $6.39M | ﹤0.01% |
14,600
-3,900
| -21% | -$1.74M |
|
1097
PUT
BILL Holdings
BILL
$4.62B
| $6.37M | ﹤0.01% |
138,900
+79,800
| +135% | +$5.37M |
|
1098
Wayfair
W
$12.5B
| $6.37M | ﹤0.01% |
198,873
+56,734
| +40% | +$2.36M |
|
1099
CALL
Deutsche Bank
DB
$67.6B
| $6.36M | ﹤0.01% |
266,700
+207,600
| +351% | +$4.35M |
|
1100
CALL
Casey's General Stores
CASY
$31.7B
| $6.34M | ﹤0.01% |
+14,600
| New | +$5.98M |
|
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.