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 | |
|---|---|---|---|---|---|---|
3401
CALL
Snap-on
SNA
$19.8B
| $1.45M | ﹤0.01% |
3,600
-1,200
| -25% | -$454K |
|
3402
CALL
Cooper Companies
COO
$13.6B
| $1.45M | ﹤0.01% |
20,200
+7,200
| +55% | +$471K |
|
|
GLIBK
3403
CALL
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$1.05B
| $1.45M | ﹤0.01% |
+67,100
| New | +$1.88M |
|
|
AWTM
3404
CALL
DELISTED
AWTM Ultra-Short Duration Enhanced Income ETF
AWTM
| $1.45M | ﹤0.01% |
52,300
+7,000
| +15% | +$194K |
|
3405
PUT
Portillo's
PTLO
$321M
| $1.45M | ﹤0.01% |
304,900
+26,100
| +9% | +$126K |
|
3406
PUT
W.P. Carey
WPC
$16B
| $1.44M | ﹤0.01% |
20,200
+9,100
| +82% | +$667K |
|
|
VCX
3407
PUT
Fundrise Innovation Fund
VCX
| $1.44M | ﹤0.01% |
+16,700
| New | +$2.39M |
|
3408
Camtek
CAMT
$6.8B
| $1.44M | ﹤0.01% |
8,835
+4,254
| +93% | +$754K |
|
3409
PUT
Hexcel
HXL
$6.96B
| $1.44M | ﹤0.01% |
14,400
+9,600
| +200% | +$869K |
|
3410
CALL
Patterson-UTI
PTEN
$4.74B
| $1.44M | ﹤0.01% |
156,600
+35,300
| +29% | +$394K |
|
3411
Bunge Global
BG
$22.8B
| $1.44M | ﹤0.01% |
+13,469
| New | +$1.66M |
|
3412
CALL
10x Genomics
TXG
$8.16B
| $1.43M | ﹤0.01% |
37,400
+26,800
| +253% | +$702K |
|
3413
CALL
Establishment Labs
ESTA
$2.21B
| $1.43M | ﹤0.01% |
16,700
-100,400
| -86% | -$7.21M |
|
3414
CALL
Indivior Pharmaceuticals
INDV
$4.12B
| $1.43M | ﹤0.01% |
34,900
+12,500
| +56% | +$453K |
|
3415
PUT
IAMGOLD
IAG
$11.7B
| $1.43M | ﹤0.01% |
90,400
-42,600
| -32% | -$744K |
|
3416
PUT
Bread Financial
BFH
$4.26B
| $1.43M | ﹤0.01% |
13,200
+8,400
| +175% | +$754K |
|
3417
PUT
Compass
COMP
$8.54B
| $1.43M | ﹤0.01% |
115,800
+31,900
| +38% | +$266K |
|
3418
PUT
Loews
L
$22.3B
| $1.43M | ﹤0.01% |
12,600
+9,800
| +350% | +$1.06M |
|
3419
PUT
Weatherford International
WFRD
$6.86B
| $1.43M | ﹤0.01% |
17,500
+2,800
| +19% | +$284K |
|
3420
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$1.05B
| $1.42M | ﹤0.01% |
+46,154
| New | +$1.65M |
|
|
NAVN
3421
PUT
Navan Inc
NAVN
$7.07B
| $1.42M | ﹤0.01% |
62,200
+50,500
| +432% | +$924K |
|
3422
CALL
Evolv Technologies
EVLV
$906M
| $1.42M | ﹤0.01% |
245,200
+125,900
| +106% | +$789K |
|
3423
CALL
Xerox
XRX
$436M
| $1.42M | ﹤0.01% |
453,300
+58,400
| +15% | +$146K |
|
3424
CALL
Commercial Metals
CMC
$7.77B
| $1.42M | ﹤0.01% |
22,600
+400
| +2% | +$28.1K |
|
3425
PUT
Norfolk Southern
NSC
$74B
| $1.42M | ﹤0.01% |
4,500
-200
| -4% | -$61.7K |
|
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.