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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.46% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Technology | 0.33% |
| 4 | Communication Services | 0.22% |
| 5 | Industrials | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
151
PUT
Bloom Energy
BE
$82.6B
| $215M | 0.08% |
2,536,700
+2,094,300
| +473% | +$97.3M |
2022 Q3
12 quarters
|
|
152
CALL
State Street SPDR NYSE Technology ETF
XNTK
$2.11B
| $212M | 0.08% |
2,643,800
+104,500
| +4% | +$25.7M |
2021 Q4
15 quarters
|
|
153
CALL
ExxonMobil
XOM
$695B
| $212M | 0.08% |
1,879,100
+314,200
| +20% | +$34.9M |
2018 Q4
27 quarters
|
|
154
CALL
Oklo
OKLO
$6.45B
| $212M | 0.08% |
1,895,000
+538,800
| +40% | +$42.2M |
2024 Q2
5 quarters
|
|
155
Tesla
TSLA
$1.51T
| $211M | 0.08% |
475,113
-10,629
| -2% | -$3.69M |
2024 Q2
5 quarters
|
|
156
PUT
ARK Innovation ETF
ARKK
$9.33B
| $210M | 0.08% |
2,429,100
+671,900
| +38% | +$51.4M |
2021 Q1
18 quarters
|
|
157
PUT
Roblox
RBLX
$34.4B
| $208M | 0.08% |
1,500,900
+490,500
| +49% | +$61M |
2021 Q2
17 quarters
|
|
158
PUT
Applied Materials
AMAT
$402B
| $204M | 0.07% |
997,800
+279,300
| +39% | +$50.7M |
2018 Q4
27 quarters
|
|
159
CALL
State Street Materials Select Sector SPDR ETF
XLB
$7.86B
| $202M | 0.07% |
4,671,200
-1,684,200
| -27% | -$76.1M |
2021 Q4
15 quarters
|
|
160
CALL
Vanguard S&P 500 ETF
VOO
$1.06T
| $198M | 0.07% |
462,000
+96,200
| +26% | +$56.7M |
2022 Q3
12 quarters
|
|
161
CALL
Qualcomm
QCOM
$187B
| $197M | 0.07% |
1,184,600
-74,200
| -6% | -$11.8M |
2018 Q4
27 quarters
|
|
162
CALL
Lockheed Martin
LMT
$118B
| $197M | 0.07% |
394,400
-144,800
| -27% | -$65.7M |
2018 Q4
27 quarters
|
|
163
CALL
McDonald's
MCD
$166B
| $197M | 0.07% |
647,600
+42,000
| +7% | +$12.8M |
2018 Q4
27 quarters
|
|
164
CALL
Walt Disney
DIS
$187B
| $196M | 0.07% |
1,711,100
-88,100
| -5% | -$10.4M |
2018 Q4
27 quarters
|
|
165
PUT
SoFi Technologies
SOFI
$20.4B
| $196M | 0.07% |
7,414,200
+3,478,200
| +88% | +$82.5M |
2022 Q2
13 quarters
|
|
|
166
CALL
Roblox
RBLX
$34.4B
| $196M | 0.07% |
1,412,300
-122,800
| -8% | -$15.3M |
2021 Q2
17 quarters
|
|
167
CALL
Bank of America
BAC
$380B
| $192M | 0.07% |
3,726,700
-336,600
| -8% | -$16.4M |
2018 Q4
27 quarters
|
|
|
168
PUT
Lockheed Martin
LMT
$118B
| $190M | 0.07% |
380,900
+41,600
| +12% | +$18.9M |
2019 Q2
25 quarters
|
|
169
PUT
Walmart Inc
WMT
$883B
| $186M | 0.07% |
1,807,200
+465,000
| +35% | +$46.3M |
2018 Q4
27 quarters
|
|
|
170
Applovin
APP
$92.7B
| $186M | 0.07% |
259,198
+202,957
| +361% | +$93.6M |
2025 Q2
1 quarter
|
|
171
PUT
Deere & Co
DE
$167B
| $182M | 0.07% |
398,100
+58,000
| +17% | +$28.6M |
2018 Q4
27 quarters
|
|
|
172
CALL
SoFi Technologies
SOFI
$20.4B
| $178M | 0.06% |
6,728,000
+1,733,100
| +35% | +$41.1M |
2022 Q2
13 quarters
|
|
173
PUT
Dell
DELL
$373B
| $176M | 0.06% |
1,243,900
+193,600
| +18% | +$25.1M |
2022 Q2
13 quarters
|
|
|
174
PUT
Qualcomm
QCOM
$187B
| $176M | 0.06% |
1,055,700
-54,500
| -5% | -$8.64M |
2018 Q4
27 quarters
|
|
175
CALL
AutoZone
AZO
$47.5B
| $175M | 0.06% |
40,900
+20,500
| +100% | +$82.2M |
2025 Q1
2 quarters
|
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago's Q3 2025 filing shows 783 new, 1,843 increased, 923 reduced and 492 closed positions. Its largest new stake was Netflix: 666,120 shares worth $79.9M. The largest sale was Apple, an estimated $167M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 99% a quarter earlier, followed by Consumer Discretionary and Technology.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.