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 | |
|---|---|---|---|---|---|---|
776
PUT
Microchip Technology
MCHP
$40.4B
| $34.3M | 0.01% |
375,600
+113,000
| +43% | +$10.1M |
|
777
CALL
DuPont de Nemours
DD
$17.7B
| $34.2M | 0.01% |
252,200
+208,167
| +473% | +$29.6M |
|
|
ETHA
778
CALL
iShares Ethereum Trust ETF
ETHA
$8.29B
| $34.1M | 0.01% |
2,868,500
-406,300
| -12% | -$6.31M |
|
|
BMNR
779
PUT
BitMine Immersion Technologies
BMNR
$14.9B
| $34.1M | 0.01% |
2,561,500
-524,700
| -17% | -$10.1M |
|
780
CALL
Centrus Energy
LEU
$3.4B
| $34M | 0.01% |
202,800
+18,700
| +10% | +$3.49M |
|
781
CALL
Trane Technologies
TT
$98.6B
| $34M | 0.01% |
69,300
+31,000
| +81% | +$14.5M |
|
782
PUT
Abbott
ABT
$189B
| $33.8M | 0.01% |
372,900
+138,600
| +59% | +$12.7M |
|
783
CALL
Gilead Sciences
GILD
$187B
| $33.7M | 0.01% |
266,900
-154,500
| -37% | -$20.4M |
|
784
PUT
Madison Square Garden
MSGS
$9.44B
| $33.7M | 0.01% |
83,900
+69,800
| +495% | +$24.7M |
|
785
PUT
Powell Industries
POWL
$6.57B
| $33.7M | 0.01% |
117,700
+69,400
| +144% | +$18.8M |
|
786
Walt Disney
DIS
$183B
| $33.6M | 0.01% |
+349,255
| New | +$35.6M |
|
787
CALL
HubSpot
HUBS
$12.4B
| $33.4M | 0.01% |
183,200
+28,000
| +18% | +$5.85M |
|
788
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.3B
| $33.4M | 0.01% |
418,029
+13,849
| +3% | +$1.11M |
|
|
Q
789
CALL
Qnity Electronics Inc
Q
$25.2B
| $33.2M | 0.01% |
203,200
+64,500
| +47% | +$9.5M |
|
790
Applied Optoelectronics
AAOI
$8.85B
| $33.1M | 0.01% |
223,442
+112,526
| +101% | +$18.3M |
|
|
UPSX
791
PUT
Tradr 2X Long UPST Daily ETF
UPSX
$19.8M
| $33M | 0.01% |
766,900
+739,100
| +2,659% | +$13.9M |
|
792
PUT
On Holding
ONON
$9.38B
| $33M | 0.01% |
931,600
+304,800
| +49% | +$11.1M |
|
793
CALL
Rocket Companies
RKT
$39.6B
| $32.9M | 0.01% |
2,086,000
+637,000
| +44% | +$9.18M |
|
794
CALL
Celsius Holdings
CELH
$7.79B
| $32.9M | 0.01% |
1,122,000
+407,300
| +57% | +$12.8M |
|
795
CALL
Align Technology
ALGN
$11.3B
| $32.8M | 0.01% |
194,600
-2,600
| -1% | -$451K |
|
|
ETH
796
Grayscale Ethereum Staking Mini ETF Shares
ETH
$2.05B
| $32.8M | 0.01% |
2,182,187
-73,580
| -3% | -$1.44M |
|
797
CALL
Argan
AGX
$5.85B
| $32.7M | 0.01% |
40,900
-3,300
| -7% | -$2.2M |
|
798
PUT
DaVita
DVA
$11.7B
| $32.7M | 0.01% |
146,800
+12,400
| +9% | +$2.25M |
|
799
CALL
United States Brent Oil Fund
BNO
$698M
| $32.6M | 0.01% |
800,600
+545,500
| +214% | +$27.8M |
|
|
GLXY
800
CALL
Galaxy Digital Inc
GLXY
$5.09B
| $32.1M | 0.01% |
1,174,800
+366,100
| +45% | +$10.2M |
|
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.