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 | |
|---|---|---|---|---|---|---|
251
CALL
Vistra
VST
$50.1B
| $175M | 0.04% |
1,102,500
+533,200
| +94% | +$82.7M |
|
|
METD
252
CALL
Direxion Daily META Bear 1X ETF
METD
$8.53M
| $174M | 0.04% |
1,707,000
+429,900
| +34% | +$7.07M |
|
253
PUT
McDonald's
MCD
$181B
| $172M | 0.04% |
637,600
+127,900
| +25% | +$36.7M |
|
254
PUT
Deere & Co
DE
$187B
| $172M | 0.04% |
271,500
+5,200
| +2% | +$3.01M |
|
255
PUT
Pinduoduo
PDD
$117B
| $171M | 0.04% |
2,243,200
-213,200
| -9% | -$19.7M |
|
256
CALL
Coca-Cola
KO
$379B
| $171M | 0.04% |
2,105,200
+161,300
| +8% | +$12.7M |
|
257
PUT
Chevron
CVX
$409B
| $171M | 0.04% |
1,029,300
-15,000
| -1% | -$2.79M |
|
258
PUT
United Airlines
UAL
$36.2B
| $167M | 0.04% |
1,230,600
-19,700
| -2% | -$2.04M |
|
259
CALL
W.W. Grainger
GWW
$62.4B
| $167M | 0.04% |
122,500
+28,900
| +31% | +$35.6M |
|
|
AXON
260
PUT
Axon Enterprise
AXON
$41.9B
| $165M | 0.04% |
294,100
+145,100
| +97% | +$60.7M |
|
|
261
CALL
Deere & Co
DE
$187B
| $163M | 0.04% |
256,600
+17,700
| +7% | +$10.3M |
|
262
CALL
Starbucks
SBUX
$119B
| $161M | 0.04% |
1,579,000
-247,100
| -14% | -$24.9M |
|
263
PUT
FedEx
FDX
$76.3B
| $161M | 0.04% |
515,100
-44,000
| -8% | -$16M |
|
|
ECHO
264
CALL
EchoStar
ECHO
$26.1B
| $160M | 0.04% |
1,581,000
+566,600
| +56% | +$69.3M |
|
265
PUT
Humana
HUM
$48.2B
| $160M | 0.04% |
403,100
-25,100
| -6% | -$7.15M |
|
266
CALL
Morgan Stanley
MS
$342B
| $157M | 0.04% |
753,300
+42,000
| +6% | +$8.32M |
|
|
267
PUT
Vistra
VST
$50.1B
| $157M | 0.04% |
991,600
+365,300
| +58% | +$56.7M |
|
268
PUT
American Express
AXP
$220B
| $157M | 0.04% |
465,000
-59,500
| -11% | -$19.1M |
|
269
CALL
Nike
NKE
$57B
| $157M | 0.04% |
3,816,000
+1,710,200
| +81% | +$75.2M |
|
270
CALL
DoorDash
DASH
$91.7B
| $156M | 0.04% |
842,900
+103,500
| +14% | +$17.1M |
|
271
PUT
Cameco
CCJ
$43.9B
| $154M | 0.04% |
1,510,900
-753,900
| -33% | -$84.5M |
|
272
CALL
Procter & Gamble
PG
$340B
| $153M | 0.04% |
1,045,500
+313,300
| +43% | +$45.6M |
|
273
PUT
Walt Disney
DIS
$182B
| $153M | 0.04% |
1,587,700
+413,500
| +35% | +$42.2M |
|
274
PUT
Comfort Systems
FIX
$56.7B
| $153M | 0.04% |
77,000
+42,100
| +121% | +$76.4M |
|
275
CALL
Valero Energy
VLO
$107B
| $153M | 0.04% |
585,600
+119,600
| +26% | +$29.4M |
|
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.