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 | |
|---|---|---|---|---|---|---|
5651
CALL
NETSCOUT
NTCT
$2.71B
| $205K | ﹤0.01% |
+4,700
| New | +$177K |
|
5652
PUT
Ardelyx
ARDX
$976M
| $205K | ﹤0.01% |
40,100
+1,600
| +4% | +$9.77K |
|
|
ARIS
5653
Aris Mining
ARIS
$4.14B
| $204K | ﹤0.01% |
+13,694
| New | +$246K |
|
5654
ProShares UltraShort Bitcoin ETF
SBIT
$146M
| $204K | ﹤0.01% |
2,931
-1,021
| -26% | -$51.3K |
|
5655
CALL
Gladstone Capital
GLAD
$454M
| $204K | ﹤0.01% |
10,500
| – | – |
|
5656
PUT
GoPro
GPRO
$351M
| $204K | ﹤0.01% |
261,900
+178,200
| +213% | +$188K |
|
|
LOVE
5657
CALL
LoveSac
LOVE
$244M
| $204K | ﹤0.01% |
12,200
-8,700
| -42% | -$138K |
|
5658
CALL
Alight
ALIT
$398M
| $204K | ﹤0.01% |
18,175
+5,745
| +46% | +$81.3K |
|
5659
Camden Property Trust
CPT
$12.2B
| $203K | ﹤0.01% |
1,776
-6,245
| -78% | -$666K |
|
5660
CNX Resources
CNX
$5.55B
| $203K | ﹤0.01% |
+5,986
| New | +$216K |
|
|
PEW
5661
CALL
GrabAGun Digital Holdings
PEW
$69.4M
| $203K | ﹤0.01% |
88,900
+23,300
| +36% | +$64.6K |
|
|
VWAV
5662
CALL
VisionWave Holdings
VWAV
$17.5M
| $203K | ﹤0.01% |
47,100
+1,400
| +3% | +$7.92K |
|
|
RDWU
5663
T-REX 2X Long RDW Daily Target ETF
RDWU
$35.2M
| $202K | ﹤0.01% |
+20,384
| New | +$338K |
|
|
AMBQ
5664
Ambiq Micro
AMBQ
$1.39B
| $202K | ﹤0.01% |
+2,291
| New | +$136K |
|
5665
CALL
Valens Semiconductor
VLN
$185M
| $202K | ﹤0.01% |
+89,500
| New | +$201K |
|
5666
PUT
Equitable Holdings
EQH
$14.4B
| $202K | ﹤0.01% |
4,600
-9,000
| -66% | -$376K |
|
|
HUTG
5667
Leverage Shares 2X Long HUT Daily ETF
HUTG
$4.18M
| $202K | ﹤0.01% |
+6,558
| New | +$164K |
|
|
EMA
5668
CALL
Emera Inc
EMA
$15.5B
| $201K | ﹤0.01% |
+3,800
| New | +$199K |
|
5669
Invesco DB Oil Fund
DBO
$278M
| $201K | ﹤0.01% |
+11,409
| New | +$237K |
|
|
VGNT
5670
Versigent PLC
VGNT
$3.56B
| $201K | ﹤0.01% |
+4,789
| New | +$191K |
|
5671
PUT
GeoPark
GPRK
$750M
| $201K | ﹤0.01% |
22,100
+11,400
| +107% | +$111K |
|
5672
PUT
California Resources
CRC
$4.82B
| $201K | ﹤0.01% |
3,800
-1,800
| -32% | -$111K |
|
5673
PUT
Magnachip Semiconductor
MX
$113M
| $201K | ﹤0.01% |
+42,400
| New | +$205K |
|
|
XXI
5674
PUT
Twenty One Capital Inc
XXI
$3.43B
| $200K | ﹤0.01% |
40,500
+14,200
| +54% | +$99.7K |
|
5675
Vanguard Total World Stock ETF
VT
$81.5B
| $200K | ﹤0.01% |
+1,277
| New | +$195K |
|
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.