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 | |
|---|---|---|---|---|---|---|
1901
CALL
Unum
UNM
$13.2B
| $1.71M | ﹤0.01% |
21,000
-12,100
| -37% | -$933K |
|
1902
PUT
Regions Financial
RF
$26.4B
| $1.71M | ﹤0.01% |
78,700
-42,400
| -35% | -$988K |
|
1903
ProShares VIX Short-Term Futures ETF
VIXY
$221M
| $1.71M | ﹤0.01% |
+34,018
| New | +$1.55M |
|
1904
CALL
Ingersoll Rand
IR
$33.1B
| $1.7M | ﹤0.01% |
21,300
+2,200
| +12% | +$192K |
|
1905
CALL
Franklin Resources
BEN
$16.8B
| $1.7M | ﹤0.01% |
88,400
-56,700
| -39% | -$1.14M |
|
1906
CALL
QuantumScape Corp
QS
$3.05B
| $1.7M | ﹤0.01% |
408,700
-700,700
| -63% | -$3.46M |
|
1907
CALL
Globalstar
GSAT
$10.1B
| $1.7M | ﹤0.01% |
+81,500
| New | +$1.97M |
|
1908
CALL
Owens Corning
OC
$11B
| $1.7M | ﹤0.01% |
+11,900
| New | +$1.97M |
|
1909
Howmet Aerospace
HWM
$109B
| $1.7M | ﹤0.01% |
13,079
-1,512
| -10% | -$192K |
|
1910
Under Armour
UAA
$3.01B
| $1.69M | ﹤0.01% |
270,864
+94,482
| +54% | +$703K |
|
1911
CALL
Brookfield
BN
$102B
| $1.69M | ﹤0.01% |
48,450
+15,900
| +49% | +$601K |
|
1912
CALL
Vornado Realty Trust
VNO
$7.65B
| $1.69M | ﹤0.01% |
45,700
+17,300
| +61% | +$696K |
|
1913
Norwegian Cruise Line
NCLH
$9.53B
| $1.69M | ﹤0.01% |
89,124
+51,615
| +138% | +$1.24M |
|
1914
CALL
Century Aluminum
CENX
$4.22B
| $1.69M | ﹤0.01% |
91,000
-5,500
| -6% | -$106K |
|
1915
CALL
Kinross Gold
KGC
$27.7B
| $1.68M | ﹤0.01% |
133,600
-214,300
| -62% | -$2.4M |
|
1916
AMC Entertainment Holdings
AMC
$2.45B
| $1.68M | ﹤0.01% |
586,733
-367,229
| -38% | -$1.21M |
|
1917
CALL
Impinj
PI
$4.24B
| $1.68M | ﹤0.01% |
18,500
-7,900
| -30% | -$885K |
|
1918
PUT
SLM Corp
SLM
$4.83B
| $1.68M | ﹤0.01% |
57,100
+1,800
| +3% | +$52.6K |
|
|
VTLE
1919
PUT
DELISTED
Vital Energy
VTLE
| $1.68M | ﹤0.01% |
79,000
-700
| -0.9% | -$20.3K |
|
1920
ProShares Ultra Industrials
UXI
$29.9M
| $1.67M | ﹤0.01% |
+47,535
| New | +$1.79M |
|
1921
CALL
Commault Systems
CVLT
$4.98B
| $1.67M | ﹤0.01% |
10,600
-400
| -4% | -$65.8K |
|
1922
CALL
Cincinnati Financial
CINF
$27.8B
| $1.67M | ﹤0.01% |
+11,300
| New | +$1.59M |
|
1923
PUT
Campbell Soup
CPB
$6.85B
| $1.67M | ﹤0.01% |
41,800
-29,400
| -41% | -$1.15M |
|
1924
PUT
ScottsMiracle-Gro
SMG
$4.09B
| $1.67M | ﹤0.01% |
30,400
+6,200
| +26% | +$401K |
|
1925
PUT
Repligen
RGEN
$6.91B
| $1.67M | ﹤0.01% |
13,100
-16,700
| -56% | -$2.57M |
|
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.