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 | |
|---|---|---|---|---|---|---|
3276
CALL
DoubleVerify
DV
$2.03B
| $417K | ﹤0.01% |
34,800
-1,900
| -5% | -$28.2K |
|
3277
CALL
Ardelyx
ARDX
$1.02B
| $415K | ﹤0.01% |
+75,300
| New | +$409K |
|
3278
CALL
Porch Group
PRCH
$1.79B
| $414K | ﹤0.01% |
+24,700
| New | +$379K |
|
3279
PUT
Community Health Systems
CYH
$400M
| $414K | ﹤0.01% |
129,000
+4,200
| +3% | +$12.6K |
|
3280
CALL
Petco
WOOF
$782M
| $414K | ﹤0.01% |
106,900
+32,700
| +44% | +$109K |
|
|
ODP
3281
PUT
DELISTED
ODP
ODP
| $412K | ﹤0.01% |
+14,800
| New | +$304K |
|
3282
PUT
Alliance Resource Partners
ARLP
$3.18B
| $412K | ﹤0.01% |
16,300
+3,700
| +29% | +$92.6K |
|
3283
PUT
Algoma Steel
ASTL
$467M
| $412K | ﹤0.01% |
115,800
+33,200
| +40% | +$176K |
|
3284
PUT
GoPro
GPRO
$114M
| $411K | ﹤0.01% |
+194,000
| New | +$288K |
|
3285
CALL
Coty
COTY
$2.48B
| $411K | ﹤0.01% |
+101,700
| New | +$466K |
|
|
NAK
3286
PUT
Northern Dynasty Minerals
NAK
$953M
| $411K | ﹤0.01% |
+342,200
| New | +$368K |
|
3287
CALL
Host Hotels & Resorts
HST
$15.3B
| $410K | ﹤0.01% |
24,100
+2,600
| +12% | +$43.1K |
|
3288
PUT
PubMatic
PUBM
$804M
| $408K | ﹤0.01% |
49,300
+31,300
| +174% | +$319K |
|
|
LLYX
3289
Defiance Daily Target 2x Long LLY ETF
LLYX
$47.4M
| $408K | ﹤0.01% |
+29,377
| New | +$407K |
|
3290
Viatris
VTRS
$18.7B
| $407K | ﹤0.01% |
41,139
-15,135
| -27% | -$147K |
|
3291
CALL
Atlas Energy Solutions
AESI
$1.5B
| $407K | ﹤0.01% |
35,800
+17,100
| +91% | +$209K |
|
3292
Chegg
CHGG
$92.8M
| $406K | ﹤0.01% |
+269,165
| New | +$378K |
|
|
HIMX
3293
Himax Technologies
HIMX
$2.61B
| $406K | ﹤0.01% |
+45,991
| New | +$395K |
|
3294
HDFC Bank
HDB
$120B
| $405K | ﹤0.01% |
+11,867
| New | +$437K |
|
3295
PUT
Photronics
PLAB
$1.95B
| $404K | ﹤0.01% |
17,600
-1,900
| -10% | -$40.6K |
|
|
PPIH
3296
PUT
Perma-Pipe International
PPIH
$213M
| $403K | ﹤0.01% |
+17,200
| New | +$445K |
|
3297
CALL
Invitation Homes
INVH
$17.7B
| $399K | ﹤0.01% |
+13,600
| New | +$419K |
|
3298
CALL
Tenaris
TS
$27B
| $397K | ﹤0.01% |
+11,100
| New | +$403K |
|
3299
PUT
NCR Atleos
NATL
$3.46B
| $397K | ﹤0.01% |
10,100
-14,600
| -59% | -$508K |
|
3300
CALL
United States Brent Oil Fund
BNO
$790M
| $397K | ﹤0.01% |
13,200
-9,900
| -43% | -$300K |
|
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.