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 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
76
CALL
Arm
ARM
$284B
| $375M | 0.17% |
2,319,700
+521,000
| +29% | +$64.7M |
2023 Q3
7 quarters
|
|
77
CALL
Applovin
APP
$92.7B
| $370M | 0.16% |
1,055,600
-198,600
| -16% | -$64.4M |
2023 Q3
7 quarters
|
|
78
PUT
Super Micro Computer
SMCI
$27.5B
| $360M | 0.16% |
7,352,100
-4,566,700
| -38% | -$176M |
2023 Q2
8 quarters
|
|
|
79
CALL
iShares Bitcoin Trust
IBIT
$65.9B
| $358M | 0.16% |
5,841,000
+1,068,000
| +22% | +$59.8M |
2024 Q4
2 quarters
|
|
80
PUT
Robinhood
HOOD
$98B
| $350M | 0.16% |
3,736,900
+1,620,600
| +77% | +$95.9M |
2022 Q2
12 quarters
|
|
81
PUT
Adobe
ADBE
$94.3B
| $346M | 0.15% |
895,100
+93,000
| +12% | +$35.8M |
2018 Q4
26 quarters
|
|
82
PUT
Visa
V
$724B
| $346M | 0.15% |
974,200
+408,900
| +72% | +$143M |
2018 Q4
26 quarters
|
|
|
83
CALL
Adobe
ADBE
$94.3B
| $342M | 0.15% |
884,800
+126,700
| +17% | +$48.8M |
2018 Q4
26 quarters
|
|
84
CALL
Spotify
SPOT
$109B
| $338M | 0.15% |
440,000
+40,000
| +10% | +$25.7M |
2018 Q4
26 quarters
|
|
85
PUT
Pinduoduo
PDD
$116B
| $327M | 0.15% |
3,127,500
+553,700
| +22% | +$58.1M |
2020 Q1
21 quarters
|
|
86
CALL
ASML
ASML
$684B
| $326M | 0.14% |
406,900
+34,300
| +9% | +$24.6M |
2022 Q3
11 quarters
|
|
87
CALL
First Solar
FSLR
$19.1B
| $322M | 0.14% |
1,946,500
+1,229,700
| +172% | +$182M |
2020 Q3
19 quarters
|
|
88
CALL
Intuit
INTU
$80.9B
| $321M | 0.14% |
407,300
+24,900
| +7% | +$16.9M |
2019 Q3
23 quarters
|
|
89
CALL
Snowflake
SNOW
$130B
| $318M | 0.14% |
1,422,400
+228,800
| +19% | +$41.4M |
2020 Q3
19 quarters
|
|
90
PUT
ServiceNow
NOW
$146B
| $314M | 0.14% |
1,529,500
-178,000
| -10% | -$33.6M |
2019 Q4
22 quarters
|
|
|
91
PUT
iShares Bitcoin Trust
IBIT
$65.9B
| $299M | 0.13% |
4,882,100
+1,949,300
| +66% | +$109M |
2024 Q4
2 quarters
|
|
|
CRWV
92
PUT
CoreWeave
CRWV
$45.3B
| $298M | 0.13% |
+1,829,100
| New | +$169M |
2025 Q2
0 quarters
|
|
|
93
CALL
ServiceNow
NOW
$146B
| $294M | 0.13% |
1,429,000
+8,500
| +0.6% | +$1.6M |
2019 Q4
22 quarters
|
|
|
94
PUT
Applovin
APP
$92.7B
| $288M | 0.13% |
821,400
+81,500
| +11% | +$26.4M |
2023 Q3
7 quarters
|
|
95
CALL
Uber
UBER
$146B
| $287M | 0.13% |
3,079,500
+1,261,100
| +69% | +$104M |
2019 Q2
24 quarters
|
|
96
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$6.89B
| $286M | 0.13% |
7,537,900
+2,740,200
| +57% | +$181M |
2021 Q4
14 quarters
|
|
|
97
CALL
Visa
V
$724B
| $281M | 0.13% |
792,800
+274,300
| +53% | +$95.6M |
2018 Q4
26 quarters
|
|
|
CRCL
98
CALL
Circle Internet Group
CRCL
$21.5B
| $268M | 0.12% |
+1,480,400
| New | +$241M |
2025 Q2
0 quarters
|
|
|
99
PUT
Snowflake
SNOW
$130B
| $267M | 0.12% |
1,194,400
+201,900
| +20% | +$36.5M |
2020 Q3
19 quarters
|
|
100
CALL
State Street Materials Select Sector SPDR ETF
XLB
$7.86B
| $264M | 0.12% |
6,355,400
+576,600
| +10% | +$24.4M |
2021 Q4
14 quarters
|
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.