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 | |
|---|---|---|---|---|---|---|
|
WCC
1676
PUT
WESCO International
WCC
$15.1B
| $2.42M | ﹤0.01% |
15,600
-4,700
| -23% | -$841K |
|
1677
CALL
Fiverr
FVRR
$331M
| $2.41M | ﹤0.01% |
101,700
-216,500
| -68% | -$6.3M |
|
1678
CALL
Canadian National Railway
CNI
$78.5B
| $2.41M | ﹤0.01% |
24,700
-2,900
| -11% | -$293K |
|
1679
ProShares Ultra Russell2000
UWM
$241M
| $2.41M | ﹤0.01% |
71,955
+36,236
| +101% | +$1.45M |
|
1680
CALL
Sarepta Therapeutics
SRPT
$1.64B
| $2.41M | ﹤0.01% |
37,700
+25,300
| +204% | +$2.66M |
|
1681
PUT
Plains All American Pipeline
PAA
$17.6B
| $2.4M | ﹤0.01% |
119,900
-3,300
| -3% | -$65.2K |
|
1682
PUT
Nasdaq
NDAQ
$53.4B
| $2.4M | ﹤0.01% |
31,600
-70,500
| -69% | -$5.55M |
|
1683
CALL
Boyd Gaming
BYD
$6.75B
| $2.4M | ﹤0.01% |
36,400
+9,700
| +36% | +$711K |
|
1684
3M
MMM
$91.8B
| $2.39M | ﹤0.01% |
+16,300
| New | +$2.39M |
|
1685
PUT
Eldorado Gold
EGO
$8.33B
| $2.39M | ﹤0.01% |
142,100
+54,400
| +62% | +$817K |
|
1686
PUT
DigitalOcean
DOCN
$12.5B
| $2.38M | ﹤0.01% |
71,400
-20,200
| -22% | -$789K |
|
1687
PUT
Jefferies Financial Group
JEF
$12.7B
| $2.38M | ﹤0.01% |
44,500
+18,800
| +73% | +$1.28M |
|
1688
NextDecade
NEXT
$1.68B
| $2.37M | ﹤0.01% |
304,983
+85,476
| +39% | +$689K |
|
1689
CALL
EPAM Systems
EPAM
$5.58B
| $2.36M | ﹤0.01% |
14,000
+2,400
| +21% | +$529K |
|
1690
CALL
Viper Energy
VNOM
$8.43B
| $2.36M | ﹤0.01% |
52,300
+31,500
| +151% | +$1.48M |
|
1691
CALL
Melco Resorts & Entertainment
MLCO
$2.21B
| $2.36M | ﹤0.01% |
447,900
-152,800
| -25% | -$860K |
|
1692
PennyMac Financial
PFSI
$4.47B
| $2.36M | ﹤0.01% |
+23,544
| New | +$2.41M |
|
1693
CALL
FIVE9
FIVN
$2.08B
| $2.36M | ﹤0.01% |
86,800
-8,600
| -9% | -$315K |
|
1694
CALL
Hertz
HTZ
$527M
| $2.35M | ﹤0.01% |
597,100
-259,200
| -30% | -$1.04M |
|
1695
PUT
Hormel Foods
HRL
$14.2B
| $2.35M | ﹤0.01% |
75,900
+21,100
| +39% | +$627K |
|
1696
PUT
Ambarella
AMBA
$3.04B
| $2.35M | ﹤0.01% |
46,600
-27,300
| -37% | -$1.87M |
|
1697
PUT
IQVIA
IQV
$40.7B
| $2.34M | ﹤0.01% |
13,300
+1,700
| +15% | +$330K |
|
1698
CALL
Bath & Body Works
BBWI
$3.97B
| $2.34M | ﹤0.01% |
77,300
-48,000
| -38% | -$1.7M |
|
1699
Cenovus Energy
CVE
$54.2B
| $2.34M | ﹤0.01% |
168,075
-61,025
| -27% | -$879K |
|
1700
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$13.4B
| $2.34M | ﹤0.01% |
146,526
+66,606
| +83% | +$1.68M |
|
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.