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 | |
|---|---|---|---|---|---|---|
926
CALL
Trip.com Group
TCOM
$28.5B
| $8.99M | 0.01% |
141,400
-96,600
| -41% | -$6.32M |
|
927
PUT
Welltower
WELL
$172B
| $8.98M | 0.01% |
58,600
-42,200
| -42% | -$6.01M |
|
928
PUT
Global Payments
GPN
$23.9B
| $8.97M | 0.01% |
91,600
-7,400
| -7% | -$774K |
|
929
CALL
Jabil
JBL
$31.7B
| $8.95M | 0.01% |
65,800
-16,200
| -20% | -$2.49M |
|
930
Vertiv
VRT
$104B
| $8.94M | 0.01% |
123,849
+63,457
| +105% | +$6.75M |
|
931
CALL
The GEO Group
GEO
$4.11B
| $8.94M | 0.01% |
306,000
-122,300
| -29% | -$3.51M |
|
932
PUT
Toast
TOST
$18.8B
| $8.89M | 0.01% |
268,100
-57,400
| -18% | -$2.15M |
|
933
CALL
BJs Wholesale Club
BJ
$12.4B
| $8.79M | 0.01% |
77,000
+36,000
| +88% | +$3.71M |
|
934
PUT
GitLab
GTLB
$5.57B
| $8.73M | ﹤0.01% |
185,800
+400
| +0.2% | +$24.5K |
|
935
CALL
Carrier Global
CARR
$52.5B
| $8.7M | ﹤0.01% |
137,300
-101,700
| -43% | -$6.76M |
|
|
936
PUT
Trip.com Group
TCOM
$28.5B
| $8.7M | ﹤0.01% |
136,800
-22,100
| -14% | -$1.45M |
|
937
Burlington
BURL
$23.3B
| $8.69M | ﹤0.01% |
+36,481
| New | +$9.45M |
|
938
PUT
Cleveland-Cliffs
CLF
$6.84B
| $8.66M | ﹤0.01% |
1,053,500
-75,500
| -7% | -$767K |
|
939
PUT
Bloom Energy
BE
$47.5B
| $8.64M | ﹤0.01% |
439,600
-199,800
| -31% | -$4.77M |
|
940
CALL
C.H. Robinson
CHRW
$20B
| $8.63M | ﹤0.01% |
84,300
-37,000
| -31% | -$3.74M |
|
941
PUT
KE Holdings
BEKE
$17.7B
| $8.62M | ﹤0.01% |
429,200
+159,700
| +59% | +$3.16M |
|
942
PUT
MGM Resorts International
MGM
$11.8B
| $8.61M | ﹤0.01% |
290,500
+38,900
| +15% | +$1.31M |
|
943
CALL
Canadian Natural Resources
CNQ
$92.2B
| $8.59M | ﹤0.01% |
279,000
+19,200
| +7% | +$582K |
|
944
ARK Innovation ETF
ARKK
$5.74B
| $8.59M | ﹤0.01% |
+180,570
| New | +$10.3M |
|
945
PUT
2x Long VIX Futures ETF
UVIX
$268M
| $8.59M | ﹤0.01% |
11,530
+8,333
| +261% | +$5.46M |
|
946
CALL
Fluor
FLR
$6.89B
| $8.55M | ﹤0.01% |
238,800
+20,700
| +9% | +$894K |
|
947
PUT
Advance Auto Parts
AAP
$3.54B
| $8.55M | ﹤0.01% |
218,000
-64,300
| -23% | -$2.76M |
|
948
CALL
Iris Energy
IREN
$12.1B
| $8.54M | ﹤0.01% |
1,403,100
-82,400
| -6% | -$802K |
|
949
Constellation Energy
CEG
$92.8B
| $8.52M | ﹤0.01% |
+42,274
| New | +$11.3M |
|
950
CALL
MP Materials
MP
$7.35B
| $8.52M | ﹤0.01% |
348,900
+217,300
| +165% | +$5.05M |
|
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.