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 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
6176
CALL
DELISTED
Esperion Therapeutics
ESPR
| $43K | ﹤0.01% |
+13,600
| New | +$38K |
2026 Q2
0 quarters
|
|
6177
CALL
Platinum Group Metals
PLG
$136M
| $42.9K | ﹤0.01% |
31,800
-15,600
| -33% | -$26.1K |
2026 Q1
1 quarter
|
|
6178
CALL
DELISTED
Open Lending Corp
LPRO
| $42.9K | ﹤0.01% |
+13,800
| New | +$28.2K |
2026 Q2
0 quarters
|
|
6179
PUT
Ocean Power Technologies
OPTT
$6.19M
| $42.9K | ﹤0.01% |
5,460
-690
| -11% | -$7.02K |
2026 Q1
1 quarter
|
|
6180
Angel Studios
ANGX
$652M
| $42.9K | ﹤0.01% |
11,690
-9,586
| -45% | -$27.2K |
2026 Q1
1 quarter
|
|
6181
CALL
Standard Lithium
SLI
$353M
| $42.4K | ﹤0.01% |
15,400
-6,200
| -29% | -$22.6K |
2026 Q1
1 quarter
|
|
6182
Playboy Inc
PLBY
$131M
| $42K | ﹤0.01% |
34,415
+23,314
| +210% | +$35.4K |
2026 Q1
1 quarter
|
|
|
6183
CALL
Angel Studios
ANGX
$652M
| $41.5K | ﹤0.01% |
11,300
-5,600
| -33% | -$15.9K |
2026 Q1
1 quarter
|
|
6184
Upexi
UPXI
$62.9M
| $41.4K | ﹤0.01% |
52,768
+4,698
| +10% | +$5.46K |
2026 Q1
1 quarter
|
|
6185
Cineverse
CNVS
$35.9M
| $41.3K | ﹤0.01% |
+13,907
| New | +$35.7K |
2026 Q2
0 quarters
|
|
6186
Galiano Gold
GAU
$523M
| $41.2K | ﹤0.01% |
+22,055
| New | +$51.1K |
2026 Q2
0 quarters
|
|
6187
Ring Energy
REI
$373M
| $40.7K | ﹤0.01% |
+37,715
| New | +$52.6K |
2026 Q2
0 quarters
|
|
6188
CALL
Filana Therapeutics
FLNA
$30.7M
| $40.7K | ﹤0.01% |
34,200
-11,400
| -25% | -$16.2K |
2026 Q1
1 quarter
|
|
6189
CALL
Diana Shipping
DSX
$315M
| $40.3K | ﹤0.01% |
19,200
+4,300
| +29% | +$10.6K |
2026 Q1
1 quarter
|
|
6190
PUT
1-800-Flowers.com
FLWS
$184M
| $40K | ﹤0.01% |
+11,500
| New | +$45.4K |
2026 Q2
0 quarters
|
|
6191
Nouveau Monde Graphite
NMG
$310M
| $39.8K | ﹤0.01% |
+26,528
| New | +$50.1K |
2026 Q2
0 quarters
|
|
6192
W&T Offshore
WTI
$632M
| $39.7K | ﹤0.01% |
12,597
+422
| +3% | +$1.56K |
2026 Q1
1 quarter
|
|
6193
PUT
Tuya Inc
TUYA
$1.01B
| $39.4K | ﹤0.01% |
22,400
+4,000
| +22% | +$8.72K |
2026 Q1
1 quarter
|
|
6194
CALL
GrowGeneration
GRWG
$83.1M
| $38.5K | ﹤0.01% |
26,000
-77,900
| -75% | -$110K |
2026 Q1
1 quarter
|
|
6195
CALL
Televisa
TV
$1.24B
| $38.2K | ﹤0.01% |
+14,100
| New | +$40.4K |
2026 Q2
0 quarters
|
|
6196
PUT
DeFi Development Corp
DFDV
$121M
| $37.6K | ﹤0.01% |
12,800
-500
| -4% | -$1.91K |
2026 Q1
1 quarter
|
|
6197
BuzzFeed
BZFD
$84.5M
| $37.4K | ﹤0.01% |
+25,633
| New | +$29.5K |
2026 Q2
0 quarters
|
|
6198
CALL
Optimum Communications Inc
OPTU
$252M
| $37.4K | ﹤0.01% |
25,800
+9,600
| +59% | +$11.9K |
2026 Q1
1 quarter
|
|
6199
PUT
Cerus
CERS
$470M
| $36.5K | ﹤0.01% |
+12,500
| New | +$30.3K |
2026 Q2
0 quarters
|
|
6200
Ready Capital
RC
$173M
| $36.3K | ﹤0.01% |
20,758
-2,823
| -12% | -$4.96K |
2026 Q1
1 quarter
|
|
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.