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 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
226
PUT
KLA
KLAC
$252B
| $127M | 0.05% |
1,175,000
+347,000
| +42% | +$32.4M |
|
|
227
PUT
JD.com
JD
$45.2B
| $126M | 0.05% |
3,614,800
+2,093,600
| +138% | +$68.2M |
|
|
228
Boeing
BA
$184B
| $126M | 0.05% |
584,335
+464,893
| +389% | +$105M |
|
229
CALL
Accenture
ACN
$109B
| $126M | 0.05% |
510,800
+222,500
| +77% | +$58M |
|
230
CALL
AbbVie
ABBV
$438B
| $125M | 0.05% |
540,100
+157,200
| +41% | +$32M |
|
231
CALL
Vistra
VST
$48B
| $125M | 0.05% |
638,000
+94,700
| +17% | +$18.8M |
|
232
PUT
Roku
ROKU
$22.5B
| $125M | 0.05% |
1,246,300
+19,000
| +2% | +$1.75M |
|
233
PUT
Domino's
DPZ
$11.5B
| $124M | 0.05% |
287,300
+201,600
| +235% | +$91.5M |
|
234
PUT
Zscaler
ZS
$28.6B
| $124M | 0.05% |
413,800
-54,500
| -12% | -$15.5M |
|
235
PUT
Royal Caribbean
RCL
$82.4B
| $123M | 0.04% |
381,100
+18,900
| +5% | +$6.31M |
|
|
236
JD.com
JD
$45.2B
| $123M | 0.04% |
3,514,033
+3,227,057
| +1,125% | +$105M |
|
237
CALL
GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF
COMB
$151M
| $123M | 0.04% |
1,662,500
-70,800
| -4% | -$1.5M |
|
238
CALL
Avis
CAR
$4.9B
| $122M | 0.04% |
762,700
+326,000
| +75% | +$54.9M |
|
239
PUT
FedEx
FDX
$76.9B
| $122M | 0.04% |
519,200
+1,300
| +0.3% | +$300K |
|
240
CALL
Wynn Resorts
WYNN
$10.6B
| $121M | 0.04% |
940,200
+43,500
| +5% | +$5.02M |
|
241
CALL
Duolingo
DUOL
$6.42B
| $121M | 0.04% |
374,600
+297,400
| +385% | +$99.5M |
|
|
KFYP
242
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $118M | 0.04% |
2,813,600
+438,600
| +18% | +$18.4M |
|
|
AXON
243
CALL
Axon Enterprise
AXON
$48.4B
| $118M | 0.04% |
163,900
+50,900
| +45% | +$38.6M |
|
|
244
PUT
Wynn Resorts
WYNN
$10.6B
| $117M | 0.04% |
915,600
+297,700
| +48% | +$34.4M |
|
245
PUT
Albemarle
ALB
$15.5B
| $117M | 0.04% |
1,447,000
+708,000
| +96% | +$54.6M |
|
246
PUT
Chevron
CVX
$382B
| $117M | 0.04% |
751,500
-313,500
| -29% | -$48.6M |
|
247
PUT
Thermo Fisher Scientific
TMO
$222B
| $117M | 0.04% |
240,600
+54,100
| +29% | +$25.2M |
|
|
248
PUT
AbbVie
ABBV
$438B
| $115M | 0.04% |
496,100
+223,000
| +82% | +$45.4M |
|
249
CALL
Regeneron Pharmaceuticals
REGN
$83.2B
| $115M | 0.04% |
204,100
+75,800
| +59% | +$42.9M |
|
250
CALL
Humana
HUM
$46.3B
| $115M | 0.04% |
440,800
+134,000
| +44% | +$35.2M |
|
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 deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- 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.