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 | |
|---|---|---|---|---|---|---|
2976
CALL
Group 1 Automotive
GPI
$3.59B
| $2.1M | ﹤0.01% |
7,200
+1,100
| +18% | +$361K |
|
2977
CALL
A.O. Smith
AOS
$8.22B
| $2.09M | ﹤0.01% |
33,400
-19,300
| -37% | -$1.17M |
|
2978
PUT
Kyndryl
KD
$2.86B
| $2.09M | ﹤0.01% |
185,100
+46,800
| +34% | +$583K |
|
2979
PUT
Allegiant Air
ALGT
$2.14B
| $2.09M | ﹤0.01% |
17,800
+6,100
| +52% | +$527K |
|
2980
CALL
Tencent Music
TME
$13.5B
| $2.09M | ﹤0.01% |
250,600
+67,200
| +37% | +$614K |
|
2981
CALL
Black Hills Corp
BKH
$5.58B
| $2.09M | ﹤0.01% |
28,100
+2,200
| +8% | +$162K |
|
2982
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$26.5B
| $2.09M | ﹤0.01% |
2,972
-21,362
| -88% | -$14.3M |
|
|
TIGR
2983
PUT
UP Fintech Holding
TIGR
$914M
| $2.09M | ﹤0.01% |
474,600
+167,400
| +54% | +$975K |
|
2984
CALL
Kopin
KOPN
$796M
| $2.09M | ﹤0.01% |
466,100
+96,900
| +26% | +$422K |
|
2985
ProShares VIX Mid-Term Futures ETF
VIXM
$156M
| $2.08M | ﹤0.01% |
145,260
+15,826
| +12% | +$247K |
|
|
TUZ
2986
PUT
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $2.08M | ﹤0.01% |
32,500
-3,900
| -11% | -$250K |
|
|
HTGCR
2987
PUT
DELISTED
HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK
HTGCR
| $2.08M | ﹤0.01% |
132,100
-23,600
| -15% | -$372K |
|
2988
PUT
Klaviyo
KVYO
$5.3B
| $2.08M | ﹤0.01% |
137,900
+49,800
| +57% | +$825K |
|
2989
PUT
Procure Space ETF
UFO
$558M
| $2.08M | ﹤0.01% |
41,000
+29,500
| +257% | +$1.59M |
|
2990
VF Corp
VFC
$5.29B
| $2.08M | ﹤0.01% |
124,510
+96,834
| +350% | +$1.73M |
|
2991
CALL
BRC Group Holdings
RILY
$283M
| $2.08M | ﹤0.01% |
258,300
+97,400
| +61% | +$828K |
|
2992
PUT
ALPS REIT Dividend Dogs ETF
RDOG
$11.2M
| $2.07M | ﹤0.01% |
40,000
+4,700
| +13% | +$187K |
|
2993
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.23B
| $2.07M | ﹤0.01% |
27,578
-11,251
| -29% | -$709K |
|
2994
PUT
Euronet Worldwide
EEFT
$2.76B
| $2.07M | ﹤0.01% |
28,300
+10,000
| +55% | +$698K |
|
|
EXK
2995
PUT
Endeavour Silver
EXK
$3.29B
| $2.07M | ﹤0.01% |
250,100
-33,000
| -12% | -$307K |
|
2996
CALL
Ashland
ASH
$3.34B
| $2.07M | ﹤0.01% |
+31,400
| New | +$1.82M |
|
2997
CALL
AppFolio
APPF
$7.59B
| $2.07M | ﹤0.01% |
12,900
+9,300
| +258% | +$1.48M |
|
2998
PUT
Rithm Capital
RITM
$5.63B
| $2.07M | ﹤0.01% |
220,200
+14,900
| +7% | +$142K |
|
|
HIVE
2999
HIVE Digital Technologies
HIVE
$853M
| $2.07M | ﹤0.01% |
567,474
+302,163
| +114% | +$976K |
|
3000
PUT
Varonis Systems
VRNS
$5.29B
| $2.06M | ﹤0.01% |
49,200
+25,600
| +108% | +$750K |
|
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.