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 | |
|---|---|---|---|---|---|---|
2526
CALL
Yelp
YELP
$1.17B
| $3.37M | ﹤0.01% |
137,500
+110,800
| +415% | +$2.76M |
|
2527
CALL
CVR Energy
CVI
$4.42B
| $3.37M | ﹤0.01% |
122,400
+13,400
| +12% | +$426K |
|
2528
CALL
United Natural Foods
UNFI
$2.66B
| $3.37M | ﹤0.01% |
73,800
+10,700
| +17% | +$530K |
|
2529
Clover Health Investments
CLOV
$2.26B
| $3.37M | ﹤0.01% |
643,030
+150,132
| +30% | +$510K |
|
2530
PUT
Mercury Systems
MRCY
$4.96B
| $3.36M | ﹤0.01% |
27,500
+16,600
| +152% | +$1.58M |
|
2531
Dow Inc
DOW
$21.1B
| $3.36M | ﹤0.01% |
+122,860
| New | +$4.46M |
|
2532
CALL
Chord Energy
CHRD
$8.01B
| $3.36M | ﹤0.01% |
29,400
+12,100
| +70% | +$1.64M |
|
2533
PUT
International Flavors & Fragrances
IFF
$22B
| $3.36M | ﹤0.01% |
42,400
+1,900
| +5% | +$141K |
|
2534
PUT
Stride
LRN
$3.5B
| $3.35M | ﹤0.01% |
38,900
-4,200
| -10% | -$386K |
|
2535
CALL
First Trust Consumer Discretionary AlphaDEX Fund
FXD
$264M
| $3.35M | ﹤0.01% |
35,200
+17,100
| +94% | +$1.15M |
|
|
2536
CALL
Clover Health Investments
CLOV
$2.26B
| $3.34M | ﹤0.01% |
637,800
+210,400
| +49% | +$714K |
|
2537
CALL
RB Global
RBA
$15.4B
| $3.33M | ﹤0.01% |
28,600
+22,500
| +369% | +$2.37M |
|
2538
CALL
TPG
TPG
$8.83B
| $3.33M | ﹤0.01% |
82,000
+57,300
| +232% | +$2.41M |
|
2539
CALL
Teucrium Corn Fund
CORN
$166M
| $3.32M | ﹤0.01% |
174,200
-15,600
| -8% | -$279K |
|
2540
PUT
TG Therapeutics
TGTX
$8.61B
| $3.32M | ﹤0.01% |
60,400
+37,600
| +165% | +$1.54M |
|
2541
Insulet
PODD
$10.2B
| $3.32M | ﹤0.01% |
+21,795
| New | +$3.63M |
|
2542
PUT
Equifax
EFX
$20.6B
| $3.32M | ﹤0.01% |
20,900
+13,600
| +186% | +$2.32M |
|
2543
CALL
Shoals Technologies Group
SHLS
$1.2B
| $3.3M | ﹤0.01% |
333,700
+101,800
| +44% | +$924K |
|
2544
CALL
Frontline
FRO
$10.2B
| $3.3M | ﹤0.01% |
94,900
+12,500
| +15% | +$459K |
|
2545
PUT
Broadridge
BR
$19.9B
| $3.3M | ﹤0.01% |
24,100
+17,500
| +265% | +$2.64M |
|
2546
PUT
Kinsale Capital Group
KNSL
$8.62B
| $3.3M | ﹤0.01% |
10,000
-3,600
| -26% | -$1.16M |
|
|
SHAZ
2547
CALL
SharonAI Holdings
SHAZ
$2B
| $3.29M | ﹤0.01% |
+38,900
| New | +$2.2M |
|
2548
SiriusXM
SIRI
$9.84B
| $3.29M | ﹤0.01% |
+111,330
| New | +$2.99M |
|
2549
PUT
Clear Secure
YOU
$4.52B
| $3.29M | ﹤0.01% |
59,000
-105,200
| -64% | -$5.75M |
|
2550
CALL
Planet Fitness
PLNT
$3.84B
| $3.29M | ﹤0.01% |
63,000
+41,600
| +194% | +$2.44M |
|
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.