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 | |
|---|---|---|---|---|---|---|
2151
PUT
Rocket Companies
RKT
$38.8B
| $1.2M | ﹤0.01% |
99,500
-85,800
| -46% | -$1.11M |
|
2152
PUT
Rapid7
RPD
$628M
| $1.2M | ﹤0.01% |
45,300
-800
| -2% | -$27.2K |
|
2153
PUT
Lantheus
LNTH
$6.51B
| $1.2M | ﹤0.01% |
12,300
-16,400
| -57% | -$1.53M |
|
|
BRSL
2154
CALL
Brightstar Lottery PLC
BRSL
$1.9B
| $1.2M | ﹤0.01% |
73,800
+24,000
| +48% | +$414K |
|
2155
CALL
iQIYI
IQ
$1.19B
| $1.2M | ﹤0.01% |
530,400
-214,200
| -29% | -$471K |
|
2156
Invesco CurrencyShares Japanese Yen Trust
FXY
$427M
| $1.2M | ﹤0.01% |
19,473
-6,065
| -24% | -$368K |
|
2157
PUT
Plains GP Holdings
PAGP
$5.28B
| $1.19M | ﹤0.01% |
+55,900
| New | +$1.18M |
|
|
CIVI
2158
PUT
DELISTED
Civitas Resources
CIVI
| $1.19M | ﹤0.01% |
34,200
+3,900
| +13% | +$173K |
|
2159
Sphere Entertainment
SPHR
$5.02B
| $1.19M | ﹤0.01% |
36,430
+7,629
| +26% | +$310K |
|
2160
CALL
RPM International
RPM
$13.8B
| $1.19M | ﹤0.01% |
+10,300
| New | +$1.25M |
|
2161
PUT
RingCentral
RNG
$4.83B
| $1.19M | ﹤0.01% |
48,100
+24,700
| +106% | +$770K |
|
2162
CALL
Urban Outfitters
URBN
$6.46B
| $1.19M | ﹤0.01% |
22,700
-47,600
| -68% | -$2.61M |
|
2163
ProShares Ultra Communication Services
LTL
$6.34M
| $1.19M | ﹤0.01% |
+58,112
| New | +$1.28M |
|
2164
CALL
Qfin Holdings
QFIN
$1.68B
| $1.19M | ﹤0.01% |
+26,400
| New | +$1.09M |
|
|
KC
2165
PUT
Kingsoft Cloud Holdings
KC
$2.96B
| $1.18M | ﹤0.01% |
82,400
+59,800
| +265% | +$896K |
|
2166
PUT
Klaviyo
KVYO
$5.8B
| $1.18M | ﹤0.01% |
39,100
+3,400
| +10% | +$137K |
|
2167
Alaska Air
ALK
$5.11B
| $1.18M | ﹤0.01% |
24,019
-7,749
| -24% | -$509K |
|
|
SGI
2168
Somnigroup International
SGI
$14.4B
| $1.18M | ﹤0.01% |
19,728
+4,929
| +33% | +$298K |
|
2169
PUT
Vital Farms
VITL
$586M
| $1.18M | ﹤0.01% |
38,700
+22,300
| +136% | +$802K |
|
2170
CALL
Aecom
ACM
$9.46B
| $1.18M | ﹤0.01% |
12,700
+1,500
| +13% | +$152K |
|
2171
Samsara
IOT
$22.6B
| $1.18M | ﹤0.01% |
30,715
-74,471
| -71% | -$3.47M |
|
2172
CALL
Camping World
CWH
$384M
| $1.18M | ﹤0.01% |
72,800
+14,500
| +25% | +$296K |
|
2173
CALL
Helmerich & Payne
HP
$3.34B
| $1.18M | ﹤0.01% |
45,000
+30,400
| +208% | +$884K |
|
2174
Truist Financial
TFC
$63.9B
| $1.17M | ﹤0.01% |
28,534
-33,403
| -54% | -$1.49M |
|
2175
PUT
Dynatrace
DT
$12.7B
| $1.17M | ﹤0.01% |
24,900
-32,600
| -57% | -$1.78M |
|
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.