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 | |
|---|---|---|---|---|---|---|
2601
ProShares Short VIX Short-Term Futures ETF
SVXY
$258M
| $3.11M | ﹤0.01% |
54,346
+41,494
| +323% | +$2.17M |
|
2602
CALL
Warner Music
WMG
$15.1B
| $3.11M | ﹤0.01% |
114,900
+12,900
| +13% | +$384K |
|
|
INFQ
2603
CALL
Infleqtion Inc
INFQ
$2.9B
| $3.11M | ﹤0.01% |
233,300
-3,300
| -1% | -$45.4K |
|
2604
CALL
Mercury Insurance
MCY
$5.79B
| $3.1M | ﹤0.01% |
29,100
+17,600
| +153% | +$1.73M |
|
2605
Rush Street Interactive
RSI
$3.08B
| $3.1M | ﹤0.01% |
+104,310
| New | +$2.75M |
|
|
WCN
2606
PUT
Waste Connections
WCN
$41.5B
| $3.1M | ﹤0.01% |
18,600
+17,300
| +1,331% | +$2.74M |
|
2607
CALL
Zimmer Biomet
ZBH
$18.7B
| $3.1M | ﹤0.01% |
36,000
+3,000
| +9% | +$263K |
|
|
LTM
2608
PUT
LATAM Airlines Group S.A.
LTM
$15.1B
| $3.09M | ﹤0.01% |
53,100
+2,200
| +4% | +$113K |
|
2609
PUT
Invesco CurrencyShares Euro Currency Trust
FXE
$370M
| $3.09M | ﹤0.01% |
29,300
-7,800
| -21% | -$837K |
|
2610
CALL
Box
BOX
$4.83B
| $3.09M | ﹤0.01% |
116,400
+36,400
| +46% | +$908K |
|
2611
PUT
abrdn Physical Palladium Shares ETF
PALL
$745M
| $3.09M | ﹤0.01% |
139,800
-112,200
| -45% | -$2.87M |
|
2612
CALL
Fomento Económico Mexicano
FMX
$41B
| $3.08M | ﹤0.01% |
24,100
+20,400
| +551% | +$2.46M |
|
2613
CALL
Imperial Oil
IMO
$62.2B
| $3.08M | ﹤0.01% |
27,500
+9,900
| +56% | +$1.24M |
|
2614
PUT
Thomson Reuters
TRI
$45.8B
| $3.08M | ﹤0.01% |
37,700
+14,858
| +65% | +$1.3M |
|
2615
CALL
TransUnion
TRU
$15.3B
| $3.07M | ﹤0.01% |
42,600
+10,800
| +34% | +$757K |
|
|
PURR
2616
Hyperliquid Strategies Inc
PURR
$2.41B
| $3.07M | ﹤0.01% |
+390,129
| New | +$2.89M |
|
2617
PUT
Molson Coors Class B
TAP
$7.55B
| $3.07M | ﹤0.01% |
78,800
+9,800
| +14% | +$409K |
|
2618
GDS Holdings
GDS
$6.28B
| $3.07M | ﹤0.01% |
102,145
+62,601
| +158% | +$2.42M |
|
2619
CALL
Core & Main
CNM
$8.3B
| $3.06M | ﹤0.01% |
63,500
+44,800
| +240% | +$2.21M |
|
2620
PUT
American International
AIG
$39.8B
| $3.06M | ﹤0.01% |
41,100
-23,100
| -36% | -$1.76M |
|
|
MPT
2621
CALL
Medical Properties Trust
MPT
$2.39B
| $3.06M | ﹤0.01% |
661,500
-44,500
| -6% | -$221K |
|
2622
Direxion Daily TSLA Bear 1X ETF
TSLS
$61.3M
| $3.05M | ﹤0.01% |
59,658
+32,169
| +117% | +$1.79M |
|
2623
PUT
Ovintiv
OVV
$17.9B
| $3.05M | ﹤0.01% |
57,900
-39,400
| -40% | -$2.25M |
|
2624
Hubbell
HUBB
$24.3B
| $3.05M | ﹤0.01% |
+5,823
| New | +$2.94M |
|
2625
CALL
Stellantis
STLA
$16.1B
| $3.05M | ﹤0.01% |
530,700
-57,000
| -10% | -$422K |
|
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.