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 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
301
CALL
Axon Enterprise
AXON
$34.1B
| $138M | 0.03% |
246,100
+86,800
| +54% | +$36.3M |
2022 Q3
15 quarters
|
|
302
CALL
Zscaler
ZS
$41.6B
| $136M | 0.03% |
965,100
+426,800
| +79% | +$59.5M |
2020 Q1
25 quarters
|
|
303
CALL
Oklo
OKLO
$4.9B
| $136M | 0.03% |
2,597,700
+494,900
| +24% | +$30.9M |
2024 Q2
8 quarters
|
|
304
PUT
Verizon
VZ
$186B
| $136M | 0.03% |
3,201,800
+1,706,500
| +114% | +$80.1M |
2018 Q4
30 quarters
|
|
305
PUT
Newmont
NEM
$115B
| $135M | 0.03% |
1,444,800
+207,700
| +17% | +$22.6M |
2018 Q4
30 quarters
|
|
306
PUT
United Rentals
URI
$68.4B
| $133M | 0.03% |
117,500
+14,600
| +14% | +$13.9M |
2022 Q4
14 quarters
|
|
307
PUT
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$242M
| $133M | 0.03% |
3,145,500
+91,700
| +3% | +$3.36M |
2022 Q4
14 quarters
|
|
308
PUT
Target
TGT
$69.4B
| $132M | 0.03% |
1,008,100
-85,100
| -8% | -$10.8M |
2018 Q4
30 quarters
|
|
309
CALL
Microchip Technology
MCHP
$40.2B
| $131M | 0.03% |
1,434,300
+830,800
| +138% | +$74.1M |
2022 Q3
15 quarters
|
|
|
310
CALL
Verizon
VZ
$186B
| $130M | 0.03% |
3,066,200
+876,500
| +40% | +$41.1M |
2018 Q4
30 quarters
|
|
311
CALL
Constellation Energy
CEG
$89.8B
| $130M | 0.03% |
522,500
+174,200
| +50% | +$49.1M |
2024 Q2
8 quarters
|
|
312
CALL
Wynn Resorts
WYNN
$7.49B
| $130M | 0.03% |
1,336,100
-294,400
| -18% | -$30.4M |
2018 Q4
30 quarters
|
|
313
CALL
Delta Air Lines
DAL
$50.5B
| $129M | 0.03% |
1,378,400
-1,127,500
| -45% | -$85.1M |
2018 Q4
30 quarters
|
|
314
PUT
Celestica
CLS
$32.8B
| $128M | 0.03% |
350,700
-202,800
| -37% | -$76.1M |
2024 Q1
9 quarters
|
|
315
PUT
Baidu
BIDU
$26.3B
| $127M | 0.03% |
1,112,600
+408,200
| +58% | +$50.6M |
2018 Q4
30 quarters
|
|
316
CALL
Freeport-McMoran
FCX
$93.6B
| $125M | 0.03% |
1,993,100
+794,600
| +66% | +$51.1M |
2018 Q4
30 quarters
|
|
317
CALL
Eaton
ETN
$142B
| $125M | 0.03% |
293,300
-850,000
| -74% | -$343M |
2023 Q4
10 quarters
|
|
318
PUT
Okta
OKTA
$37.2B
| $125M | 0.03% |
914,200
+123,400
| +16% | +$11.6M |
2019 Q2
28 quarters
|
|
319
CALL
Tower Semiconductor
TSEM
$19B
| $124M | 0.03% |
477,400
-17,500
| -4% | -$4.19M |
2023 Q4
10 quarters
|
|
320
CALL
Nokia
NOK
$45.6B
| $124M | 0.03% |
9,342,700
+8,306,300
| +801% | +$107M |
2020 Q2
24 quarters
|
|
321
CALL
Merck
MRK
$358B
| $124M | 0.03% |
961,100
+49,900
| +5% | +$5.84M |
2022 Q1
17 quarters
|
|
|
322
PUT
Eaton
ETN
$142B
| $123M | 0.03% |
289,200
-291,300
| -50% | -$117M |
2023 Q4
10 quarters
|
|
323
PUT
Synopsys
SNPS
$82.4B
| $123M | 0.03% |
275,900
+13,700
| +5% | +$6.44M |
2023 Q3
11 quarters
|
|
324
CALL
Analog Devices
ADI
$189B
| $122M | 0.03% |
307,700
+130,800
| +74% | +$51.8M |
2022 Q4
14 quarters
|
|
325
CALL
FedEx
FDX
$70.7B
| $122M | 0.03% |
389,900
-18,600
| -5% | -$6.76M |
2018 Q4
30 quarters
|
|
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.