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 | |
|---|---|---|---|---|---|---|
|
UCTT
1376
PUT
Ultra Clean Holdings
UCTT
$3.01B
| $12.5M | ﹤0.01% |
87,600
+73,200
| +508% | +$6.44M |
|
|
KEEL
1377
CALL
Keel Infrastructure Corp
KEEL
$2.07B
| $12.5M | ﹤0.01% |
2,174,900
+651,700
| +43% | +$2.8M |
|
1378
PUT
Viking Holdings
VIK
$38.2B
| $12.4M | ﹤0.01% |
118,900
+500
| +0.4% | +$43.3K |
|
1379
PUT
Sunrun
RUN
$2.15B
| $12.4M | ﹤0.01% |
928,100
+149,900
| +19% | +$2.02M |
|
1380
CALL
Sony
SONY
$146B
| $12.4M | ﹤0.01% |
618,500
-11,500
| -2% | -$242K |
|
1381
PUT
Macy's
M
$5.91B
| $12.4M | ﹤0.01% |
526,800
+45,300
| +9% | +$948K |
|
1382
PUT
Petrobras
PBR
$132B
| $12.4M | ﹤0.01% |
766,600
+21,700
| +3% | +$424K |
|
1383
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.37B
| $12.4M | ﹤0.01% |
672,107
-623,871
| -48% | -$11.2M |
|
1384
Zeta Global
ZETA
$8.2B
| $12.4M | ﹤0.01% |
628,800
+566,933
| +916% | +$10.5M |
|
1385
CALL
MPLX
MPLX
$60.2B
| $12.3M | ﹤0.01% |
219,000
+38,600
| +21% | +$2.15M |
|
|
PLTD
1386
Direxion Dailly PLTR Bear 1X ETF
PLTD
$34.5M
| $12.3M | ﹤0.01% |
+1,391,688
| New | +$11M |
|
1387
CALL
State Street
STT
$53.3B
| $12.3M | ﹤0.01% |
72,700
+6,900
| +10% | +$1.06M |
|
1388
GraniteShares 2x Long AMD Daily ETF
AMDL
$840M
| $12.3M | ﹤0.01% |
148,942
+7,595
| +5% | +$360K |
|
1389
CALL
Fluence Energy
FLNC
$1.46B
| $12.3M | ﹤0.01% |
619,100
+155,500
| +34% | +$2.89M |
|
1390
CALL
Teck Resources
TECK
$33.8B
| $12.3M | ﹤0.01% |
206,600
+15,000
| +8% | +$914K |
|
|
IPFF
1391
CALL
DELISTED
iShares International Preferred Stock ETF
IPFF
| $12.3M | ﹤0.01% |
251,500
-334,200
| -57% | -$16.3M |
|
1392
CALL
Texas Roadhouse
TXRH
$12.4B
| $12.2M | ﹤0.01% |
63,200
+39,400
| +166% | +$6.71M |
|
1393
CALL
Five Below
FIVE
$13.3B
| $12.2M | ﹤0.01% |
67,800
+6,800
| +11% | +$1.46M |
|
1394
Visa
V
$707B
| $12.2M | ﹤0.01% |
35,518
-58,384
| -62% | -$18.7M |
|
1395
CALL
Match Group
MTCH
$9.74B
| $12.2M | ﹤0.01% |
320,100
-49,700
| -13% | -$1.76M |
|
1396
PUT
Agilent Technologies
A
$42.3B
| $12.2M | ﹤0.01% |
91,500
+6,100
| +7% | +$743K |
|
1397
PUT
Moody's
MCO
$87.3B
| $12.1M | ﹤0.01% |
26,800
+2,900
| +12% | +$1.3M |
|
1398
PUT
Energy Fuels
UUUU
$3.8B
| $12.1M | ﹤0.01% |
835,800
+35,600
| +4% | +$654K |
|
1399
Amkor Technology
AMKR
$11.7B
| $12.1M | ﹤0.01% |
140,508
+130,420
| +1,293% | +$9.3M |
|
1400
PUT
VF Corp
VFC
$5.17B
| $12.1M | ﹤0.01% |
726,000
+380,600
| +110% | +$6.8M |
|
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.