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 | |
|---|---|---|---|---|---|---|
1576
CALL
Amprius Technologies
AMPX
$1.91B
| $4.91M | ﹤0.01% |
467,100
+365,400
| +359% | +$2.87M |
|
1577
Hewlett Packard
HPE
$78.5B
| $4.88M | ﹤0.01% |
+198,774
| New | +$4.39M |
|
1578
PUT
Regions Financial
RF
$27.2B
| $4.88M | ﹤0.01% |
184,900
+77,300
| +72% | +$2.01M |
|
1579
Gilead Sciences
GILD
$171B
| $4.87M | ﹤0.01% |
+43,865
| New | +$4.99M |
|
1580
CALL
Texas Roadhouse
TXRH
$13.6B
| $4.87M | ﹤0.01% |
29,300
+900
| +3% | +$159K |
|
1581
CALL
Viking Holdings
VIK
$47.8B
| $4.86M | ﹤0.01% |
78,200
+30,900
| +65% | +$1.84M |
|
1582
CAVA Group
CAVA
$8.77B
| $4.86M | ﹤0.01% |
80,411
+49,758
| +162% | +$3.77M |
|
1583
PUT
Murphy Oil
MUR
$5.02B
| $4.85M | ﹤0.01% |
170,800
+104,000
| +156% | +$2.62M |
|
1584
CALL
SSR Mining
SSRM
$6.67B
| $4.84M | ﹤0.01% |
198,400
+40,200
| +25% | +$680K |
|
|
VISN
1585
PUT
Vistance Networks Inc
VISN
$2.62B
| $4.84M | ﹤0.01% |
312,800
+114,900
| +58% | +$1.49M |
|
1586
ProShares UltraPro Dow 30
UDOW
$927M
| $4.84M | ﹤0.01% |
90,452
-2,958
| -3% | -$147K |
|
1587
PUT
Carpenter Technology
CRS
$26.7B
| $4.84M | ﹤0.01% |
19,700
-6,700
| -25% | -$1.71M |
|
1588
CALL
KB Home
KBH
$3.42B
| $4.83M | ﹤0.01% |
75,900
-18,300
| -19% | -$1.11M |
|
1589
Rubrik
RBRK
$21.3B
| $4.82M | ﹤0.01% |
58,635
+41,716
| +247% | +$3.59M |
|
1590
PUT
SentinelOne
S
$7.97B
| $4.82M | ﹤0.01% |
273,800
+14,900
| +6% | +$267K |
|
1591
PUT
Sphere Entertainment
SPHR
$6.37B
| $4.82M | ﹤0.01% |
77,600
+29,700
| +62% | +$1.4M |
|
1592
Duolingo
DUOL
$6.3B
| $4.82M | ﹤0.01% |
+14,975
| New | +$5.01M |
|
1593
CALL
Barclays
BCS
$95B
| $4.81M | ﹤0.01% |
232,900
+65,200
| +39% | +$1.29M |
|
1594
CALL
Navitas Semiconductor
NVTS
$3.74B
| $4.8M | ﹤0.01% |
665,000
+370,600
| +126% | +$2.48M |
|
1595
PUT
Pagaya Technologies
PGY
$1.79B
| $4.8M | ﹤0.01% |
161,700
+117,200
| +263% | +$3.79M |
|
1596
PUT
PPG Industries
PPG
$25.4B
| $4.79M | ﹤0.01% |
45,600
+7,300
| +19% | +$811K |
|
1597
CALL
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.9B
| $4.79M | ﹤0.01% |
59,500
+5,000
| +9% | +$384K |
|
1598
Cboe Global Markets
CBOE
$30.9B
| $4.77M | ﹤0.01% |
+19,455
| New | +$4.67M |
|
1599
CALL
Globe Life
GL
$14.1B
| $4.76M | ﹤0.01% |
33,300
-4,500
| -12% | -$610K |
|
1600
CALL
Thor Industries
THO
$4.1B
| $4.75M | ﹤0.01% |
45,800
+24,900
| +119% | +$2.51M |
|
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.