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 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$568M |
| 2 |
Amazon
AMZN
|
+$341M |
| 3 |
iShares MSCI South Korea ETF
EWY
|
+$278M |
| 4 |
Apple
AAPL
|
+$239M |
| 5 |
TSMC
TSM
|
+$215M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$316M |
| 2 |
Tesla
TSLA
|
+$253M |
| 3 |
Micron Technology
MU
|
+$178M |
| 4 |
iShares Bitcoin Trust
IBIT
|
+$176M |
| 5 |
SNDK
Sandisk
SNDK
|
+$159M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.94% |
| 2 | Technology | 0.92% |
| 3 | Consumer Discretionary | 0.31% |
| 4 | Financials | 0.17% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3876
Mohawk Industries
MHK
$9.05B
| $984K | ﹤0.01% |
+8,110
| New | +$853K |
|
3877
Loews
L
$22.3B
| $984K | ﹤0.01% |
+8,690
| New | +$942K |
|
3878
PUT
Willdan Group
WLDN
$1.31B
| $981K | ﹤0.01% |
12,400
-1,600
| -11% | -$136K |
|
3879
PUT
Granite Construction
GVA
$5.3B
| $980K | ﹤0.01% |
6,200
+900
| +17% | +$122K |
|
3880
CALL
Graphic Packaging
GPK
$3.09B
| $980K | ﹤0.01% |
92,700
+61,400
| +196% | +$626K |
|
3881
Direxion Daily AAPL Bull 2X ETF
AAPU
$176M
| $980K | ﹤0.01% |
28,095
-4,516
| -14% | -$159K |
|
|
ASMG
3882
Leverage Shares 2X Long ASML Daily ETF
ASMG
$32.4M
| $979K | ﹤0.01% |
+15,014
| New | +$668K |
|
3883
PUT
Methode Electronics
MEI
$559M
| $979K | ﹤0.01% |
+51,600
| New | +$533K |
|
3884
CALL
Coursera
COUR
$1.53B
| $979K | ﹤0.01% |
173,500
+26,400
| +18% | +$150K |
|
3885
CALL
Pampa Energía
PAM
$4.55B
| $977K | ﹤0.01% |
11,900
-600
| -5% | -$50K |
|
3886
CALL
Turning Point Brands
TPB
$1.51B
| $975K | ﹤0.01% |
11,500
-35,500
| -76% | -$2.95M |
|
3887
CALL
Monarch Casino & Resort
MCRI
$2.18B
| $974K | ﹤0.01% |
+7,400
| New | +$862K |
|
3888
ArcelorMittal
MT
$59.4B
| $974K | ﹤0.01% |
16,172
+6,979
| +76% | +$437K |
|
3889
PUT
Lionsgate Studios
LION
$3.32B
| $974K | ﹤0.01% |
63,600
-90,000
| -59% | -$1.16M |
|
3890
PUT
Bit Digital
BTBT
$591M
| $974K | ﹤0.01% |
540,900
-47,000
| -8% | -$82.7K |
|
3891
PUT
Perrigo
PRGO
$2.07B
| $974K | ﹤0.01% |
93,700
+23,700
| +34% | +$261K |
|
|
LITX
3892
Tradr 2X Long LITE Daily ETF
LITX
$239M
| $973K | ﹤0.01% |
28,207
+4,372
| +18% | +$184K |
|
3893
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$110M
| $973K | ﹤0.01% |
+15,305
| New | +$793K |
|
|
TIC
3894
TIC Solutions Inc
TIC
$2.04B
| $971K | ﹤0.01% |
+120,036
| New | +$1.01M |
|
3895
Truist Financial
TFC
$63.1B
| $970K | ﹤0.01% |
19,468
-22,244
| -53% | -$1.09M |
|
3896
CALL
Qfin Holdings
QFIN
$1.1B
| $969K | ﹤0.01% |
61,300
+39,200
| +177% | +$550K |
|
3897
CALL
Acadia Healthcare
ACHC
$2.62B
| $969K | ﹤0.01% |
32,800
-1,200
| -4% | -$30.8K |
|
|
QLTB
3898
CALL
DELISTED
ISHARES BAA BA RATED CORP BOND FUND
QLTB
| $966K | ﹤0.01% |
10,000
-1,800
| -15% | -$174K |
|
3899
ProShares Ultra MSCI Emerging Markets
EET
$40.5M
| $965K | ﹤0.01% |
8,207
+2,540
| +45% | +$277K |
|
3900
PUT
Denison Mines
DNN
$3.1B
| $965K | ﹤0.01% |
315,300
+9,300
| +3% | +$32.4K |
|
Similar funds
IMC Chicago's Q2 2026 Portfolio in Review
As of Q2 2026, IMC Chicago held 6,955 positions worth $419B, up 50% from $278B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
IMC Chicago's Q2 2026 filing shows 1,282 new, 3,251 increased, 1,751 reduced and 653 closed positions. Its largest new stake was Microsoft: 303,034 shares worth $113M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $316M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2026 buy was Microsoft: 303,034 shares worth $113M.
- IMC Chicago added most to State Street SPDR Dow Jones Industrial Average ETF Trust in Q2 2026, an estimated $568M increase.
- IMC Chicago's biggest Q2 2026 reduction was Tesla, cutting an estimated $253M.
- IMC Chicago fully exited State Street SPDR S&P 500 ETF Trust in Q2 2026, selling an estimated $316M.
- IMC Chicago's ten largest holdings make up 34% of its $419B portfolio in Q2 2026.
- IMC Chicago opened 1,282 new positions and closed 653 in Q2 2026.
- IMC Chicago's portfolio value rose 50% quarter-over-quarter to $419B.
Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.