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 | |
|---|---|---|---|---|---|---|
|
TIGR
2476
CALL
UP Fintech Holding
TIGR
$914M
| $3.54M | ﹤0.01% |
803,900
+303,700
| +61% | +$1.77M |
|
2477
United Therapeutics
UTHR
$20.9B
| $3.53M | ﹤0.01% |
6,521
-15,641
| -71% | -$8.81M |
|
|
AEVA
2478
CALL
Aeva Technologies
AEVA
$1.09B
| $3.53M | ﹤0.01% |
123,000
+24,800
| +25% | +$488K |
|
2479
PUT
Aurora
AUR
$12.7B
| $3.53M | ﹤0.01% |
517,100
+203,800
| +65% | +$1.25M |
|
2480
TJX Companies
TJX
$145B
| $3.52M | ﹤0.01% |
+23,217
| New | +$3.67M |
|
2481
PUT
NextNav
NN
$2.56B
| $3.51M | ﹤0.01% |
197,000
+105,300
| +115% | +$2.04M |
|
2482
CALL
Tenable Holdings
TENB
$3.77B
| $3.51M | ﹤0.01% |
95,200
+78,700
| +477% | +$1.85M |
|
|
UCTT
2483
CALL
Ultra Clean Holdings
UCTT
$3.28B
| $3.51M | ﹤0.01% |
24,600
-15,400
| -39% | -$1.36M |
|
2484
CALL
abrdn Physical Palladium Shares ETF
PALL
$745M
| $3.5M | ﹤0.01% |
158,700
-265,300
| -63% | -$6.79M |
|
|
SERV
2485
PUT
Serve Robotics
SERV
$429M
| $3.5M | ﹤0.01% |
532,500
+306,100
| +135% | +$2.56M |
|
2486
PUT
C3.ai
AI
$1.67B
| $3.5M | ﹤0.01% |
385,000
-2,300
| -0.6% | -$21.8K |
|
2487
PUT
Li Auto
LI
$12.1B
| $3.5M | ﹤0.01% |
297,900
-91,600
| -24% | -$1.5M |
|
2488
CALL
TMC The Metals Company
TMC
$1.96B
| $3.5M | ﹤0.01% |
789,000
-47,000
| -6% | -$245K |
|
|
NASA
2489
Tema Space Innovators ETF
NASA
$1.09B
| $3.49M | ﹤0.01% |
+115,041
| New | +$3.68M |
|
2490
PUT
Virgin Galactic
SPCE
$461M
| $3.49M | ﹤0.01% |
1,209,300
+846,600
| +233% | +$2.77M |
|
2491
Emcor
EME
$33.3B
| $3.49M | ﹤0.01% |
+4,211
| New | +$3.56M |
|
|
UNIT
2492
CALL
Uniti Group
UNIT
$2.47B
| $3.49M | ﹤0.01% |
304,200
+99,700
| +49% | +$1.13M |
|
2493
PUT
FuboTV Inc
FUBO
$340M
| $3.49M | ﹤0.01% |
379,200
-318,600
| -46% | -$3.4M |
|
2494
Regeneron Pharmaceuticals
REGN
$85.2B
| $3.49M | ﹤0.01% |
+5,591
| New | +$3.81M |
|
2495
PUT
Goodyear
GT
$1.8B
| $3.48M | ﹤0.01% |
527,800
+200,900
| +61% | +$1.29M |
|
|
QXO
2496
QXO Inc
QXO
$13.9B
| $3.48M | ﹤0.01% |
201,107
+40,214
| +25% | +$748K |
|
2497
CALL
Hexcel
HXL
$6.96B
| $3.47M | ﹤0.01% |
34,700
+22,900
| +194% | +$2.07M |
|
2498
PUT
Range Resources
RRC
$9.81B
| $3.47M | ﹤0.01% |
93,300
-3,600
| -4% | -$146K |
|
|
2499
Tenable Holdings
TENB
$3.77B
| $3.47M | ﹤0.01% |
+94,046
| New | +$2.21M |
|
2500
PUT
Becton Dickinson
BDX
$50.3B
| $3.47M | ﹤0.01% |
22,900
+10,300
| +82% | +$1.54M |
|
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.