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 | |
|---|---|---|---|---|---|---|
1826
CALL
Annaly Capital Management
NLY
$17.6B
| $3.54M | ﹤0.01% |
175,300
+75,000
| +75% | +$1.56M |
|
|
BBBY
1827
CALL
Bed Bath & Beyond
BBBY
$418M
| $3.54M | ﹤0.01% |
397,980
+160,050
| +67% | +$1.32M |
|
1828
CALL
Boyd Gaming
BYD
$6.1B
| $3.53M | ﹤0.01% |
40,800
+12,300
| +43% | +$1.03M |
|
1829
CALL
United Natural Foods
UNFI
$2.91B
| $3.52M | ﹤0.01% |
93,700
-5,000
| -5% | -$137K |
|
1830
Factset
FDS
$10.1B
| $3.51M | ﹤0.01% |
+12,266
| New | +$4.69M |
|
1831
CALL
Franklin Resources
BEN
$17.2B
| $3.51M | ﹤0.01% |
151,900
+35,600
| +31% | +$880K |
|
1832
Tower Semiconductor
TSEM
$29.7B
| $3.51M | ﹤0.01% |
+48,534
| New | +$2.65M |
|
1833
PUT
Semtech
SMTC
$12.9B
| $3.51M | ﹤0.01% |
49,100
-2,600
| -5% | -$141K |
|
1834
PUT
Entergy
ETR
$50.3B
| $3.5M | ﹤0.01% |
37,600
-69,900
| -65% | -$6.15M |
|
|
K
1835
CALL
DELISTED
Kellanova
K
| $3.5M | ﹤0.01% |
42,700
+1,200
| +3% | +$95.5K |
|
1836
CALL
Maplebear
CART
$11.2B
| $3.5M | ﹤0.01% |
95,200
+18,000
| +23% | +$829K |
|
1837
CALL
Lantheus
LNTH
$6.59B
| $3.5M | ﹤0.01% |
68,200
+12,900
| +23% | +$806K |
|
1838
PUT
TripAdvisor
TRIP
$1.26B
| $3.5M | ﹤0.01% |
215,100
+71,900
| +50% | +$1.25M |
|
1839
PUT
Modine Manufacturing
MOD
$11.1B
| $3.5M | ﹤0.01% |
24,600
+12,400
| +102% | +$1.58M |
|
1840
CALL
Canadian Solar
CSIQ
$1.02B
| $3.49M | ﹤0.01% |
267,900
+58,300
| +28% | +$697K |
|
1841
PUT
Plug Power
PLUG
$3.2B
| $3.49M | ﹤0.01% |
1,498,800
+443,700
| +42% | +$752K |
|
1842
PUT
Deutsche Bank
DB
$72.4B
| $3.49M | ﹤0.01% |
98,500
+61,600
| +167% | +$2.1M |
|
1843
CALL
Dover
DOV
$28B
| $3.49M | ﹤0.01% |
20,900
-3,600
| -15% | -$646K |
|
1844
Under Armour
UAA
$2.29B
| $3.49M | ﹤0.01% |
698,565
+454,590
| +186% | +$2.65M |
|
1845
CALL
Red Cat Holdings
RCAT
$1.66B
| $3.48M | ﹤0.01% |
336,400
-100
| -0% | -$934 |
|
1846
Brinker International
EAT
$10.2B
| $3.48M | ﹤0.01% |
+27,482
| New | +$4.29M |
|
1847
CALL
NexGen Energy
NXE
$6.97B
| $3.48M | ﹤0.01% |
388,600
+147,800
| +61% | +$1.09M |
|
1848
PUT
JetBlue
JBLU
$2.11B
| $3.47M | ﹤0.01% |
704,700
+40,100
| +6% | +$193K |
|
1849
PUT
Logitech
LOGI
$14.8B
| $3.47M | ﹤0.01% |
31,600
-8,700
| -22% | -$874K |
|
1850
PUT
Consolidated Edison
ED
$40.3B
| $3.46M | ﹤0.01% |
34,400
-3,400
| -9% | -$341K |
|
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.