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 | |
|---|---|---|---|---|---|---|
|
ASM
5801
PUT
Avino Silver & Gold Mines
ASM
$1.25B
| $159K | ﹤0.01% |
+25,000
| New | +$169K |
|
5802
DoubleVerify
DV
$2.07B
| $158K | ﹤0.01% |
+14,600
| New | +$150K |
|
5803
CALL
Opko Health
OPK
$1.22B
| $158K | ﹤0.01% |
105,500
+24,900
| +31% | +$31.8K |
|
5804
Clearwater Paper
CLW
$337M
| $158K | ﹤0.01% |
10,059
-3,410
| -25% | -$51.4K |
|
5805
Krispy Kreme
DNUT
$586M
| $158K | ﹤0.01% |
44,646
+7,025
| +19% | +$25.1K |
|
5806
PUT
Alight
ALIT
$398M
| $157K | ﹤0.01% |
14,055
-6,815
| -33% | -$96.5K |
|
5807
B&G Foods
BGS
$267M
| $157K | ﹤0.01% |
39,406
+6,145
| +18% | +$28.5K |
|
5808
Geospace Technologies
GEOS
$69.6M
| $157K | ﹤0.01% |
23,132
+9,634
| +71% | +$83K |
|
5809
Alpha Tau Medical
DRTS
$1.39B
| $156K | ﹤0.01% |
+12,434
| New | +$113K |
|
5810
PUT
BGC Group
BGC
$5.79B
| $156K | ﹤0.01% |
+14,600
| New | +$163K |
|
|
PLTG
5811
Leverage Shares 2X Long PLTR Daily ETF
PLTG
$31.3M
| $156K | ﹤0.01% |
+17,337
| New | +$228K |
|
5812
CALL
Red Robin
RRGB
$160M
| $156K | ﹤0.01% |
19,500
-1,600
| -8% | -$7.1K |
|
|
SRG
5813
CALL
Seritage Growth Properties
SRG
$117M
| $155K | ﹤0.01% |
59,100
+24,200
| +69% | +$63.6K |
|
5814
PUT
Atomera
ATOM
$158M
| $155K | ﹤0.01% |
17,800
+2,200
| +14% | +$17.3K |
|
5815
KULR Technology Group
KULR
$118M
| $155K | ﹤0.01% |
40,659
+13,227
| +48% | +$44K |
|
5816
PUT
SandRidge Energy
SD
$531M
| $155K | ﹤0.01% |
11,300
-5,600
| -33% | -$83.5K |
|
|
ZENA
5817
CALL
ZenaTech Inc
ZENA
$149M
| $155K | ﹤0.01% |
103,100
+88,100
| +587% | +$158K |
|
5818
CALL
Evolution Petroleum
EPM
$132M
| $154K | ﹤0.01% |
41,900
+7,200
| +21% | +$31.5K |
|
|
ORC
5819
PUT
Orchid Island Capital
ORC
$1.3B
| $154K | ﹤0.01% |
22,100
-2,900
| -12% | -$20K |
|
5820
Infosys
INFY
$47.4B
| $154K | ﹤0.01% |
+14,644
| New | +$183K |
|
5821
iQIYI
IQ
$849M
| $154K | ﹤0.01% |
147,617
-118,097
| -44% | -$137K |
|
5822
Amplify Energy
AMPY
$203M
| $153K | ﹤0.01% |
+38,427
| New | +$197K |
|
|
DHC
5823
CALL
Diversified Healthcare Trust
DHC
$1.82B
| $153K | ﹤0.01% |
16,400
-24,900
| -60% | -$204K |
|
5824
Kyndryl
KD
$2.86B
| $152K | ﹤0.01% |
13,456
-41,549
| -76% | -$518K |
|
|
OBE
5825
PUT
Obsidian Energy
OBE
$789M
| $152K | ﹤0.01% |
18,700
+1,100
| +6% | +$12.3K |
|
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.