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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.33% |
| 2 | Technology | 0.58% |
| 3 | Consumer Discretionary | 0.39% |
| 4 | Financials | 0.16% |
| 5 | Communication Services | 0.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
26
PUT
Amazon
AMZN
$2.83T
| $1.68B | 0.61% |
8,086,900
+309,400
| +4% | +$68.1M |
2018 Q4
29 quarters
|
|
|
27
CALL
Broadcom
AVGO
$1.73T
| $1.68B | 0.6% |
5,419,200
-955,000
| -15% | -$314M |
2018 Q4
29 quarters
|
|
28
CALL
SPDR Gold Trust
GLD
$142B
| $1.65B | 0.59% |
3,839,000
-277,800
| -7% | -$124M |
2018 Q4
29 quarters
|
|
29
CALL
Netflix
NFLX
$293B
| $1.65B | 0.59% |
17,130,000
-1,440,100
| -8% | -$127M |
2018 Q4
29 quarters
|
|
30
CALL
Goldman Sachs
GS
$261B
| $1.62B | 0.58% |
1,919,300
+428,100
| +29% | +$382M |
2018 Q4
29 quarters
|
|
|
31
PUT
Broadcom
AVGO
$1.73T
| $1.62B | 0.58% |
5,243,100
-2,968,400
| -36% | -$977M |
2018 Q4
29 quarters
|
|
32
CALL
UnitedHealth
UNH
$340B
| $1.47B | 0.53% |
5,418,500
-290,600
| -5% | -$86.5M |
2019 Q1
28 quarters
|
|
33
CALL
Sandisk
SNDK
$229B
| $1.38B | 0.49% |
2,167,500
+1,504,800
| +227% | +$850M |
2025 Q4
1 quarter
|
|
|
34
PUT
Goldman Sachs
GS
$261B
| $1.33B | 0.48% |
1,574,800
-70,500
| -4% | -$62.9M |
2018 Q4
29 quarters
|
|
|
35
PUT
SPDR Gold Trust
GLD
$142B
| $1.33B | 0.48% |
3,090,800
-614,800
| -17% | -$275M |
2018 Q4
29 quarters
|
|
36
PUT
Alphabet (Google) Class C
GOOG
$4.25T
| $1.3B | 0.47% |
4,526,200
-301,600
| -6% | -$94.8M |
2018 Q4
29 quarters
|
|
37
CALL
Strategy Inc
MSTR
$61.5B
| $1.25B | 0.45% |
10,032,700
-2,445,300
| -20% | -$350M |
2021 Q1
20 quarters
|
|
38
PUT
TSMC
TSM
$2.35T
| $1.23B | 0.44% |
3,643,400
-460,700
| -11% | -$159M |
2020 Q3
22 quarters
|
|
39
CALL
Palantir
PLTR
$502B
| $1.22B | 0.44% |
8,355,400
-1,242,500
| -13% | -$190M |
2020 Q4
21 quarters
|
|
40
PUT
ASML
ASML
$684B
| $1.21B | 0.43% |
915,900
+300,300
| +49% | +$412M |
2022 Q3
14 quarters
|
|
41
PUT
Eli Lilly
LLY
$1.05T
| $1.18B | 0.43% |
1,287,800
+53,900
| +4% | +$54.6M |
2018 Q4
29 quarters
|
|
|
42
PUT
Sandisk
SNDK
$229B
| $1.15B | 0.41% |
1,810,800
+1,149,600
| +174% | +$649M |
2025 Q4
1 quarter
|
|
|
43
PUT
Strategy Inc
MSTR
$61.5B
| $1B | 0.36% |
8,034,300
-1,039,100
| -11% | -$149M |
2021 Q1
20 quarters
|
|
|
44
CALL
TSMC
TSM
$2.35T
| $997M | 0.36% |
2,949,700
+536,600
| +22% | +$185M |
2020 Q3
22 quarters
|
|
45
PUT
VanEck Gold Miners ETF
GDX
$26.7B
| $990M | 0.36% |
4,979,200
+1,137,200
| +30% | +$112M |
2018 Q4
29 quarters
|
|
46
CALL
Alibaba
BABA
$277B
| $980M | 0.35% |
7,812,600
+319,000
| +4% | +$48M |
2018 Q4
29 quarters
|
|
|
47
PUT
Palantir
PLTR
$502B
| $924M | 0.33% |
6,313,300
-901,200
| -12% | -$138M |
2020 Q4
21 quarters
|
|
48
PUT
Costco
COST
$420B
| $830M | 0.3% |
832,700
-202,900
| -20% | -$198M |
2018 Q4
29 quarters
|
|
49
CALL
Oracle
ORCL
$429B
| $820M | 0.29% |
5,574,800
+386,600
| +7% | +$62.8M |
2018 Q4
29 quarters
|
|
|
50
CALL
Eli Lilly
LLY
$1.05T
| $818M | 0.29% |
889,800
-260,400
| -23% | -$264M |
2018 Q4
29 quarters
|
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago's Q1 2026 filing shows 2,049 new, 1,848 increased, 1,770 reduced and 389 closed positions. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M. The largest sale was Invesco QQQ Trust, an estimated $426M.
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 Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.