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 | |
|---|---|---|---|---|---|---|
|
ESPR
6176
CALL
DELISTED
Esperion Therapeutics
ESPR
| $43K | ﹤0.01% |
+13,600
| New | +$38K |
|
|
PLG
6177
CALL
Platinum Group Metals
PLG
$193M
| $42.9K | ﹤0.01% |
31,800
-15,600
| -33% | -$26.1K |
|
|
LPRO
6178
CALL
DELISTED
Open Lending Corp
LPRO
| $42.9K | ﹤0.01% |
+13,800
| New | +$28.2K |
|
6179
PUT
Ocean Power Technologies
OPTT
$50.6M
| $42.9K | ﹤0.01% |
163,800
-20,700
| -11% | -$7.02K |
|
|
ANGX
6180
Angel Studios
ANGX
$855M
| $42.9K | ﹤0.01% |
11,690
-9,586
| -45% | -$27.2K |
|
|
SLI
6181
CALL
Standard Lithium
SLI
$597M
| $42.4K | ﹤0.01% |
15,400
-6,200
| -29% | -$22.6K |
|
6182
Playboy Inc
PLBY
$140M
| $42K | ﹤0.01% |
34,415
+23,314
| +210% | +$35.4K |
|
|
ANGX
6183
CALL
Angel Studios
ANGX
$855M
| $41.5K | ﹤0.01% |
11,300
-5,600
| -33% | -$15.9K |
|
6184
Upexi
UPXI
$78.6M
| $41.4K | ﹤0.01% |
52,768
+4,698
| +10% | +$5.46K |
|
6185
Cineverse
CNVS
$54.9M
| $41.3K | ﹤0.01% |
+13,907
| New | +$35.7K |
|
|
GAU
6186
Galiano Gold
GAU
$594M
| $41.2K | ﹤0.01% |
+22,055
| New | +$51.1K |
|
6187
Ring Energy
REI
$391M
| $40.7K | ﹤0.01% |
+37,715
| New | +$52.6K |
|
|
FLNA
6188
CALL
Filana Therapeutics
FLNA
$39.6M
| $40.7K | ﹤0.01% |
34,200
-11,400
| -25% | -$16.2K |
|
6189
CALL
Diana Shipping
DSX
$374M
| $40.3K | ﹤0.01% |
19,200
+4,300
| +29% | +$10.6K |
|
6190
PUT
1-800-Flowers.com
FLWS
$239M
| $40K | ﹤0.01% |
+11,500
| New | +$45.4K |
|
|
NMG
6191
Nouveau Monde Graphite
NMG
$461M
| $39.8K | ﹤0.01% |
+26,528
| New | +$50.1K |
|
6192
W&T Offshore
WTI
$577M
| $39.7K | ﹤0.01% |
12,597
+422
| +3% | +$1.56K |
|
|
TUYA
6193
PUT
Tuya Inc
TUYA
$1.16B
| $39.4K | ﹤0.01% |
22,400
+4,000
| +22% | +$8.71K |
|
6194
CALL
GrowGeneration
GRWG
$96.9M
| $38.5K | ﹤0.01% |
26,000
-77,900
| -75% | -$110K |
|
6195
CALL
Televisa
TV
$1.39B
| $38.2K | ﹤0.01% |
+14,100
| New | +$40.4K |
|
|
DFDV
6196
PUT
DeFi Development Corp
DFDV
$182M
| $37.6K | ﹤0.01% |
12,800
-500
| -4% | -$1.91K |
|
6197
BuzzFeed
BZFD
$90.8M
| $37.4K | ﹤0.01% |
+25,633
| New | +$29.5K |
|
|
OPTU
6198
CALL
Optimum Communications Inc
OPTU
$401M
| $37.4K | ﹤0.01% |
25,800
+9,600
| +59% | +$11.9K |
|
6199
PUT
Cerus
CERS
$522M
| $36.5K | ﹤0.01% |
+12,500
| New | +$30.3K |
|
|
RC
6200
Ready Capital
RC
$289M
| $36.3K | ﹤0.01% |
20,758
-2,823
| -12% | -$4.96K |
|
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.