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 | |
|---|---|---|---|---|---|---|---|
201
PUT
Nike
NKE
$51.6B
| $142M | 0.05% |
2,038,400
-561,500
| -22% | -$41.8M |
2018 Q4
27 quarters
|
|
202
PUT
Walt Disney
DIS
$187B
| $141M | 0.05% |
1,234,300
-183,800
| -13% | -$21.6M |
2018 Q4
27 quarters
|
|
203
CALL
Vertiv
VRT
$93.5B
| $139M | 0.05% |
924,500
-175,700
| -16% | -$23.4M |
2023 Q3
8 quarters
|
|
204
CALL
Trade Desk
TTD
$5.71B
| $138M | 0.05% |
2,805,700
+1,630,700
| +139% | +$103M |
2019 Q3
24 quarters
|
|
205
CALL
Newmont
NEM
$124B
| $137M | 0.05% |
1,629,500
+361,500
| +29% | +$25.2M |
2018 Q4
27 quarters
|
|
206
CALL
Astera Labs
ALAB
$59.4B
| $137M | 0.05% |
700,500
+229,200
| +49% | +$37.7M |
2024 Q1
6 quarters
|
|
|
207
CALL
JD.com
JD
$36.6B
| $137M | 0.05% |
3,917,600
+2,457,300
| +168% | +$80M |
2018 Q4
27 quarters
|
|
208
PUT
iShares Morningstar Value ETF
ILCV
$1.35B
| $136M | 0.05% |
1,671,600
-1,109,900
| -40% | -$96M |
2021 Q4
15 quarters
|
|
209
CALL
Johnson & Johnson
JNJ
$630B
| $136M | 0.05% |
735,300
-53,800
| -7% | -$9.22M |
2018 Q4
27 quarters
|
|
210
PUT
Axon Enterprise
AXON
$34.4B
| $136M | 0.05% |
189,300
+52,200
| +38% | +$39.6M |
2022 Q3
12 quarters
|
|
211
CALL
Unity
U
$20.6B
| $135M | 0.05% |
3,376,700
+389,400
| +13% | +$14.4M |
2020 Q4
19 quarters
|
|
212
CALL
Block Inc
XYZ
$46.4B
| $135M | 0.05% |
1,870,000
-63,900
| -3% | -$4.78M |
2018 Q4
27 quarters
|
|
213
CALL
United Airlines
UAL
$34.9B
| $135M | 0.05% |
1,398,000
+82,500
| +6% | +$7.93M |
2018 Q4
27 quarters
|
|
214
CALL
United Parcel Service
UPS
$80.5B
| $134M | 0.05% |
1,609,300
+453,500
| +39% | +$41.1M |
2018 Q4
27 quarters
|
|
215
PUT
Vanguard S&P 500 ETF
VOO
$1.06T
| $134M | 0.05% |
319,600
+34,600
| +12% | +$20.4M |
2022 Q3
12 quarters
|
|
216
CALL
Bloom Energy
BE
$82.6B
| $134M | 0.05% |
1,582,300
+934,300
| +144% | +$43.4M |
2022 Q3
12 quarters
|
|
217
CALL
Zscaler
ZS
$38.1B
| $133M | 0.05% |
442,900
+60,100
| +16% | +$17.1M |
2020 Q1
22 quarters
|
|
218
CALL
Cloudflare
NET
$129B
| $132M | 0.05% |
617,400
+162,000
| +36% | +$33.1M |
2020 Q3
20 quarters
|
|
219
PUT
Texas Roadhouse
TXRH
$10.6B
| $132M | 0.05% |
794,100
+771,200
| +3,368% | +$136M |
2024 Q3
4 quarters
|
|
220
CALL
GE Aerospace
GE
$320B
| $132M | 0.05% |
437,700
-331,100
| -43% | -$90.5M |
2022 Q2
13 quarters
|
|
221
PUT
Morgan Stanley
MS
$298B
| $130M | 0.05% |
814,700
-30,000
| -4% | -$4.43M |
2018 Q4
27 quarters
|
|
222
CALL
Starbucks
SBUX
$103B
| $129M | 0.05% |
1,522,700
-92,600
| -6% | -$8.29M |
2018 Q4
27 quarters
|
|
|
223
PUT
Block Inc
XYZ
$46.4B
| $128M | 0.05% |
1,765,700
+272,400
| +18% | +$20.4M |
2018 Q4
27 quarters
|
|
224
PUT
Constellation Brands
STZ
$20.8B
| $127M | 0.05% |
945,600
+726,700
| +332% | +$116M |
2021 Q2
17 quarters
|
|
225
CALL
Upstart Holdings
UPST
$2.35B
| $127M | 0.05% |
2,496,100
+1,185,100
| +90% | +$83.4M |
2021 Q2
17 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.