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 | |
|---|---|---|---|---|---|---|
201
CALL
AbbVie
ABBV
$454B
| $238M | 0.06% |
946,400
+570,800
| +152% | +$123M |
|
202
PUT
Home Depot
HD
$318B
| $238M | 0.06% |
674,500
+106,100
| +19% | +$34.5M |
|
203
CALL
State Street Technology Select Sector SPDR ETF
XLK
$122B
| $233M | 0.06% |
1,222,600
+302,200
| +33% | +$51.6M |
|
204
CALL
Uber
UBER
$154B
| $233M | 0.06% |
3,224,500
+577,100
| +22% | +$42.3M |
|
205
PUT
Carvana
CVNA
$53B
| $232M | 0.06% |
3,525,000
-1,625,500
| -32% | -$115M |
|
206
CALL
Baidu
BIDU
$33.2B
| $230M | 0.05% |
2,012,900
+422,400
| +27% | +$52.3M |
|
207
CALL
PayPal
PYPL
$47B
| $230M | 0.05% |
5,327,200
-1,278,800
| -19% | -$58.2M |
|
208
PUT
Shopify
SHOP
$191B
| $230M | 0.05% |
2,014,000
-372,800
| -16% | -$42.5M |
|
209
PUT
Ciena
CIEN
$45.5B
| $229M | 0.05% |
466,100
+190,800
| +69% | +$97.3M |
|
|
210
PUT
Uber
UBER
$154B
| $228M | 0.05% |
3,165,600
+797,000
| +34% | +$58.4M |
|
211
CALL
Walt Disney
DIS
$182B
| $228M | 0.05% |
2,371,600
-33,800
| -1% | -$3.45M |
|
212
Meta Platforms (Facebook)
META
$1.56T
| $228M | 0.05% |
404,082
+177,974
| +79% | +$109M |
|
213
CALL
McDonald's
MCD
$181B
| $225M | 0.05% |
833,900
+158,800
| +24% | +$45.5M |
|
214
CALL
Cloudflare
NET
$101B
| $223M | 0.05% |
908,700
+288,700
| +47% | +$63.2M |
|
215
CALL
Iris Energy
IREN
$17B
| $222M | 0.05% |
4,847,800
-185,200
| -4% | -$9.63M |
|
216
PUT
AST SpaceMobile
ASTS
$18.7B
| $218M | 0.05% |
2,455,400
+1,044,200
| +74% | +$91.1M |
|
217
CALL
Mastercard
MA
$508B
| $218M | 0.05% |
424,000
-64,000
| -13% | -$31.9M |
|
218
CALL
Intuit
INTU
$91.1B
| $217M | 0.05% |
830,700
+393,100
| +90% | +$137M |
|
219
PUT
ExxonMobil
XOM
$663B
| $217M | 0.05% |
1,583,600
-131,700
| -8% | -$19.7M |
|
|
CRCL
220
CALL
Circle Internet Group
CRCL
$24.9B
| $208M | 0.05% |
3,324,300
-556,100
| -14% | -$54.1M |
|
221
CALL
Humana
HUM
$48.2B
| $208M | 0.05% |
522,900
+22,500
| +4% | +$6.41M |
|
222
PUT
Roundhill Daily 2X Long Magnificent Seven ETF
MAGX
$64.4M
| $208M | 0.05% |
+2,810,800
| New | +$154M |
|
223
CALL
Texas Instruments
TXN
$236B
| $206M | 0.05% |
690,100
+51,100
| +8% | +$14.2M |
|
224
PUT
Take-Two Interactive
TTWO
$39.8B
| $206M | 0.05% |
822,700
+524,200
| +176% | +$116M |
|
225
PUT
Morgan Stanley
MS
$337B
| $205M | 0.05% |
980,800
+157,400
| +19% | +$31.2M |
|
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.